Microcontroller-based multifunctional electronic switch and lighting apparatus having the same

• US 10,136,503 B2
• Filed: 09/13/2017
• Issued: 11/20/2018
• Est. Priority Date: 10/15/2012
• Status: Active Grant

• Current Assignee: Vaxcel International Company Limited
• Original Assignee: Vaxcel International Company Limited
• Inventors: Chen, Chia-Teh
• Primary Examiner(s): Tran, Thuy Vinh
• Application Number:
  US15/702,837
• Publication Number:
  US 20180070425A1
• Time in Patent Office: 433 Days
• Field of Search: 315159, 315360, 315362, 340541, 340567
• CPC Class Codes: F21V 3/00 Globes; Bowls; Cover glasses with refracting properties F21V5/00; with reflecting properties F21V7/00; characterised by cooling arrangements F21V29/506
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H03K 17/133 in field-effect transistor switches
• CPC Class Codes: H03K 17/941 using an optical detector H03K17/968 takes precedence
• CPC Class Codes: H05B 39/08 by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices in converters H02M5/00; with regulation G05F1/44
• CPC Class Codes: H05B 45/10 Controlling the intensity of the light
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 45/37 Converter circuits
• CPC Class Codes: H05B 47/105 in response to determined parameters
• CPC Class Codes: H05B 47/13 by using passive infrared detectors
• CPC Class Codes: H05B 47/19 via wireless transmission
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

A microcontroller-based multifunctional electronic switch for lighting control uses a detection device to sense and convert at least one external control signal into at least one message carrying sensing signal interpretable to a microcontroller. Based on a signal format of the message carrying sensing signal received, the microcontroller recognizes working mode chosen by the external control signal and thereby executes an appropriate lighting control process. The system and method of the present invention may be equally applicable to detection design, such as touch less and direct touch interface implemented by infrared ray sensor, push button or wireless control device in conjunction with APP preloaded, for performing multiple working modes including on/off mode, dimming mode, color temperature tuning mode, color temperature switching mode, color temperature dim to warm mode, commanding mode for controlling a lighting family comprising a plurality of member lamps remotely located or delay shut off mode.

Claims

1. A microcontroller based electronic switch for controlling lighting performance of an LED lamp configured with a plurality of LED lighting loads comprising:

a first controllable switching element, electrically connected between a power source and a first LED lighting load for emitting light with a first color temperature;

a second controllable switching element, electrically connected between said power source and a second LED lighting load for emitting light with a second color temperature;

at least one detection device, for detecting at least one external control signal and converting said at least one external control signal into at least one message carrying sensing signal; and

a microcontroller to receive and interpret said at least one message carrying sensing signal generated by said at least one detection device, wherein said microcontroller through a first control pin is electrically coupled to said first controllable switching element, and through a second control pin is electrically coupled to said second controllable switching element, wherein said microcontroller through at least a third control pin receives said at least one message carrying sensing signal from said at least one detection device, wherein said microcontroller controls a conduction state or a cutoff state of said first controllable switching element through said first control pin and said microcontroller controls said conduction state or said cutoff state of said second controllable switching element through said second control pin to control electric power transmission levels from said power source respectively to said first LED lighting load and to said second LED lighting load according to said at least one message carrying sensing signal generated by said at least one detection device;

wherein said first color temperature is higher than said second color temperature;

wherein said at least one message carrying sensing signal is characterized with a signal format of a short voltage signal, a long voltage signal, a plurality of short voltage signals, a plurality of long voltage signals or a combination of said short voltage signal and said long voltage signal generated in a preset time interval;

wherein said short voltage signal and said long voltage signal are respectively defined either by a time length of a voltage signal or by said time length of a series of pulse signals consecutively generated;

wherein when said microcontroller receives said at least one message carrying sensing signal, said microcontroller manages according to said signal format of said at least one message carrying sensing signal to perform at least one of various working modes including at least an on/off switch control mode, a dimming control mode, a color temperature tuning control mode, a color temperature switching control mode, a dimming and color temperature tuning control mode, and a delay shutoff control mode;

wherein when said first controllable switching element and said second controllable switching element are in said conduction state, said microcontroller further controls said electric power transmission levels from said power source respectively to said first LED lighting load and to said second LED lighting load according to said signal format of said at least one message carrying sensing signal received, wherein said microcontroller through said first control pin outputs a first control signal to control a conduction rate of said first controllable switching element, said microcontroller through said second control pin outputs a second control signal to control said conduction rate of said second controllable switching element;

wherein said microcontroller is an integrated circuit programmable for generating said first control signal and said second control signal, or an application specific integrated circuit (ASIC) custom made for generating said first control signal and said second control signal.

2. The microcontroller based electronic switch according to claim 1, wherein said at least one detection device is configured with a touch less interface for detecting said at least one external control signal and converting said at least one external control signal into said at least one message carrying sensing signal interpretable to said microcontroller.

3. The microcontroller based electronic switch according to claim 2, wherein said touch less interface is an active infrared ray sensor comprising an infrared ray transmitter for emitting infrared light into an area to form a defined detection zone, an infrared ray receiver for receiving infrared light reflected from an object in said defined detection zone, and a detection circuitry for detecting and generating different voltage signals in response to a motion of said object entering and leaving said defined detection zone;

wherein when said object enters said defined detection zone, said detection circuitry operates to generate a first voltage sensing signal with a time length corresponding to a time interval of said object entering and staying in said defined detection zone;

wherein when said object leaves said defined detection zone, said detection circuitry operates to generate a second voltage signal to conclude said time length of said first voltage sensing signal, wherein said first voltage sensing signal with said time length is a basic format for configuring said at least one message carrying sensing signal to be delivered to said microcontroller.

4. The microcontroller based electronic switch according to claim 2, wherein said touch less interface is a wireless remote control device electrically coupled to said microcontroller to receive and convert said at least one external control signal into said at least one message carrying sensing signal with said signal format interpretable to said microcontroller.

5. The microcontroller based electronic switch according to claim 4, wherein said wireless remote control device is a Wi-Fi wireless signal receiver, a Bluetooth wireless signal receiver, a Zigbee wireless signal receiver or a radio frequency wireless signal receiver.

6. The microcontroller based electronic switch according to claim 1, wherein a wireless signal transmitter is further electrically coupled with said microcontroller to convert said at least one message carrying sensing signal into a wireless control signal to control a lighting performance of at least one remote lighting apparatus.

7. The microcontroller based electronic switch according to claim 6, wherein said wireless signal transmitter is a Wi-Fi wireless signal transmitter, a Bluetooth wireless signal transmitter, a Zigbee wielded signal transmitter, or a radio frequency wireless signal transmitter.

8. The microcontroller based electronic switch according to claim 1, wherein said at least one detection device is configured with a direct touch interface for detecting and converting said at least one external control signal into said at least one message carrying sensing signal interpretable to said microcontroller.

9. The microcontroller based electronic switch according to claim 8, wherein said direct touch interface is designed with a detection circuitry operated with a push button device or a touch sensor device, wherein said detection circuitry is electrically coupled with said microcontroller, wherein when an user contacts the said direct touch interface for a time interval, said detection circuitry responsively generates a first voltage sensing signal with a time length corresponding to a time interval of said direct touch interface being contacted;

when said user withdraws from said direct touch interface, said detection circuitry delivers a second voltage signal;

said first voltage sensing signal with said time length is a basic format for configuring said at least one message carrying sensing signal to be delivered to said microcontroller.

10. The microcontroller based electronic switch according to claim 8, wherein said direct touch interface is a detection circuitry electrically coupled with said microcontroller to detect a signal of a short power interruption and convert said short power interruption signal into said at least one message carrying sensing signal with said signal format interpretable to said microcontroller, wherein said microcontroller accordingly activates to perform a relevant working mode.

11. The microcontroller based electronic switch according to claim 8, wherein said direct touch interface is a detection circuitry to detect a voltage signal generated by a voltage divider and to convert a voltage value of said voltage signal into said at least one message carrying sensing signal with said signal format corresponding to said voltage value generated for setting said conduction rate of said first controllable switching element and said second controllable switching element respectively.

12. The microcontroller based electronic switch according to claim 1, wherein when said microcontroller receives said at least one message carrying sensing signal, said microcontroller operates at least one working mode in response to said signal format of said at least one message carrying sensing signal.

13. The microcontroller based electronic switch according to claim 12, wherein said working mode is said on/off switch control mode, wherein when said microcontroller receives said at least one message carrying sensing signal, said microcontroller checks electric states of said first controllable switching element and said second controllable switching element , wherein if at least one of said first controllable switching element and said second controllable switching element is in conduction state, said microcontroller accordingly operates to cutoff both said first controllable switching element and said second controllable switching element, wherein if both said first controllable switching element and said second controllable switching element are in cutoff state, said microcontroller accordingly manages to conduct at least one of said first controllable switching element and said second controllable switching element.

14. The microcontroller based electronic switch according to claim 12, wherein said working mode is said delay shutoff control mode;

wherein when said microcontroller receives said at least one message carrying sensing signal, said microcontroller checks the states of said first controllable switching element and said second controllable switching element, wherein if at least one of said first controllable switching element and said second controllable switching element is in conduction state, said microcontroller accordingly activates a process of delay shutoff to cutoff both said first controllable switching element and said second controllable switching element after a preset delay time;

wherein upon a maturity of said preset delay time both said first controllable switching element and said second controllable switching element are instantly and simultaneously cutoff such that said LED lamp is thereby turned off;

wherein if both said first controllable switching element and said second controllable switching element are in cutoff state, said microcontroller instantly and accordingly manages to conduct at least one of said first controllable switching element and said second controllable switching element.

15. The microcontroller based electronic switch according to claim 12, wherein said working mode is said dimming control mode, wherein said first control signal and said second control signal are designed to operate with an arrangement that said conduction rate of said first controllable switching element and said conduction rate of said second controllable switching element are unidirectionally and proportionally adjusted with the same pace such that a mingled color temperature of a diffused light of said first LED lighting load and said second LED lighting load through a light diffuser is maintained at a constant level while a total light intensity of said first LED lighting load and said second LED lighting load is being proportionally adjusted according to said signal format of said at least one message carrying sensing signal.

16. The microcontroller based electronic switch according to claim 12, wherein said working mode is said color temperature tuning control mode;

wherein said first control signal and said second control signal are designed to operate with an arrangement that said conduction rate of said first controllable switching element and said conduction rate of said second controllable switching element are reversely adjusted with the same pace such that a total light intensity of said first LED lighting load and said second LED lighting load is maintained at a constant level while a mingled color temperature of a diffused light of said first LED lighting load and said second LED lighting load thru a light diffuser is proportionately adjusted according to said signal format of said at least one message carrying sensing signal.

17. The microcontroller based electronic switch according to claim 12, wherein said working mode is a color temperature switching control mode;

wherein said microcontroller is operated in accordance with a light color temperature switching scheme comprising at least two light color temperature performances , wherein each of said at least two light color temperature performances is respectively activated by said at least one external control signal, wherein each of said at least two light color temperature performances is further operated with a predetermined combination of conduction rates respectively for controlling said first controllable switching element and said second controllable switching element, wherein for performing each of said at least two color temperature performances, said first control signal and said second control signal are designed and predetermined to operate with an arrangement that said conduction rate of said first controllable switching element and said conduction rate of said second controllable switching element are reversely and complementarily adjusted such that the total light intensity of said first LED lighting load and said second LED lighting load is maintained at a constant level while a mingled color temperature of a diffused light of said first LED lighting load and said second LED lighting load through a light diffuser is adequately adjusted according to said predetermined combination of conduction rates for respectively controlling said first controllable switching element and said second controllable switching element.

18. The microcontroller based electronic switch according to claim 17, wherein said at least one external control signal is a short power interruption signal generated by a power switch, a push button or a touch sensor, wherein said at least one detection device is configured with a direct touch interface comprising a detection circuitry for detecting said short power interruption signal and converting said short power interruption signal into said at least one message carrying sensing signal interpretable to said microcontroller for activating a relevant light color temperature performance in said color temperature switching scheme.

19. The microcontroller based electronic switch according to claim 17, wherein said at least one external control signal is a voltage signal generated by at least one push button switch and at least one touch pad switch, a slide switch or a rotary switch , wherein said at least one detection device is configured with a direct touch interface comprising a circuitry for detecting said voltage signal and converting said voltage signal into said at least one message carrying sensing signal interpretable to said microcontroller for activating a relevant light color temperature performance in said color temperature switching scheme.

20. The microcontroller based electronic switch according to claim 17, wherein said at least one external control signal is a voltage signal generated by a voltage divider, wherein said at least one detection device is configured with a direct touch interface comprising a circuitry for detecting a voltage value of said voltage signal and converting said voltage value into said at least one message carrying sensing signal interpretable to said microcontroller for activating a relevant light color temperature performance in said color temperature switching scheme.

21. The microcontroller based electronic switch according to claim 17, wherein said at least one external control signal is an infrared light reflected from an object, wherein said at least one detection device is an active infrared ray sensor for detecting said infrared light reflected from an object and converting said infrared light reflected from an object into said at least one message carrying sensing signal interpretable to said microcontroller for activating a relevant light color temperature performance in said light color temperature switching scheme, wherein said active infrared ray sensor comprises an infrared ray transmitter for emitting infrared light into an area to form a defined detection zone, an infrared ray receiver for receiving infrared light reflected from said object in said defined detection zone, and a detection circuitry for detecting and generating different voltage signals in response to a motion of said object entering and leaving said defined detection zone;

wherein when said object enters said defined detection zone, said detection circuitry operates to generate a first voltage sensing signal with a time length corresponding to a time interval of said object entering and staying in said defined detection zone;

wherein when said object leaves said defined detection zone, said detection circuitry operates to generate a second voltage signal to conclude said time length of said first voltage sensing signal, wherein when said time length of said first voltage signal is shorter than a predetermined time interval, said microcontroller operates said light color temperature switching scheme to activate a relevant light color temperature performance, wherein when said time length of said first voltage signal is longer than said predetermined time interval, said microcontroller continues to reversely and complimentarily adjust said conduction rates between said first controllable switching element and said second controllable switching element till the time length of said first voltage signal ends to perform said color temperature tuning control mode.

22. The microcontroller based electronic switch according to claim 17, wherein said at least one external control signal is a wireless external control signal, wherein said at least one detection device is wireless signal receiver to receive said wireless external control signal and convert said wireless external control signal into said at least one message carrying sensing signal interpretable to said microcontroller for activating a relevant light color temperature performance in said light color temperature switching scheme.

23. The microcontroller based electronic switch according to claim 22, wherein said wireless signal receiver is a Wi-Fi wireless signal receiver, a Bluetooth wireless signal receiver, a Zigbee wireless signal receiver or a radio frequency wireless signal receiver.

24. The microcontroller based electronic switch according to claim 12, wherein said working mode is said dimming and color temperature tuning control mode;

wherein said first control signal and said second control signal are designed to operate with an arrangement that said conduction rate of said first controllable switching element is reduced at a faster pace than said conduction rate of said second controllable switching element being reduced such that a mingled color temperature of a diffused light of said first LED lighting load and said second LED lighting load thru a light diffuser continues to change to a warmer illumination along with a continuous reduction of light intensity, wherein during a cycle of said dimming and color temperature tuning control mode, said light intensity and said mingled color temperature of said first LED lighting load and said second LED lighting load are determined by said signal format of said at least one message carrying sensing signal received from said detection device.

25. The microcontroller based electronic switch according to claim 12, wherein said working mode is said dimming and color temperature tuning control mode, wherein said first control signal and said second control signal are designed with an arrangement that said conduction rate of said first controllable switching element is proportionately decreased according to said signal format of said at least one message carrying sensing signal while said conduction rate of said second controllable switching element is maintained at constant level till being turned off to create a dim to warm effect, wherein during a cycle of said dimming and color temperature tuning control mode, a light intensity and a mingled color temperature of a diffused light of said first LED load and said second LED load thru a light diffuser are determined by said signal format of said at least one message carrying sensing signal received from said at least one detection device.

26. The microcontroller based electronic switch according to claim 12, wherein said working mode is said color temperature tuning control mode, wherein when said microcontroller receives a first said at least one message carrying sensing signal, said microcontroller operates to activate a free running process to perform an automatic color temperature tuning cycle, wherein said first control signal and said second control signal are designed to operate with an arrangement that said conduction rate of said first controllable switching element and said conduction rate of said second controllable switching element are continuously and reversely changed with the same pace such that the total light intensity of said first LED lighting load and said second LED lighting load is maintained at a constant level while a mingled color temperature of a diffused light of said first LED lighting load and said second LED lighting load thru a light diffuser is continuously and proportionately changed from a higher color temperature to a lower color temperature or from a lower color temperature to a higher temperature, wherein when said microcontroller receives a second said at least one message carrying sensing signal during said automatic color temperature tuning cycle, said microcontroller operates to terminate said free running process with said mingled color temperature being thereby determined and memorized for repetitive performance.

27. The microcontroller based electronic switch according to claim 12, wherein said working mode is said dimming and color temperature tuning control mode, wherein when said microcontroller receives said at least one message carrying sensing signal with a relevant said signal format, said microcontroller operates to activate a relevant process to successively and respectively change conduction rates of said first switching element and said second switching element from maximum conduction rates to minimum conduction rates, and continuously from the minimum conduction rates to the maximum conduction rates to complete a dimming and color temperature tuning cycle, wherein a moment at which said at least one message carrying sensing signal ceases during said dimming and color temperature tuning cycle, a total light intensity and a mingled color temperature of a diffused light of said first LED lighting load and said second LED lighting load through a light diffuser are thereby determined and memorized for repetitive performance.

28. The microcontroller based electronic switch according to claim 27, wherein during a first half cycle period of said dimming and color temperature tuning cycle said first control signal and said second control signal are designed to operate with an arrangement that said conduction rate of said first controllable switching element is decreased at a faster pace than said conduction rate of said second controllable switching element being decreased such that said first controllable switching element leads said second controllable switching element in both decreasing said conduction rate and reaching a cutoff state during said first half cycle period of said dimming and color temperature tuning cycle to create a dim to warm effect;

wherein during a second half cycle period of said dimming and color temperature cycle said conduction rate of said first controllable switching element is increased at a faster pace than said conduction rate of said second controllable switching element being increased with a time phase delay such that both said first controllable switching element and said second controllable switching element simultaneously reach a full conduction state at the end of full cycle period of said dimming and color temperature tuning cycle to create a brighten to cold effect, wherein at any time during a full cycle of said dimming and color temperature tuning mode, a total light intensity and a mingled color temperature of a diffused light of said first LED lighting load and said second LED lighting load thru the light diffuser are determined by said signal format of said at least one message carrying sensing signal received from said at least one detection device.

29. The microcontroller based electronic switch according to claim 12, wherein said working mode is said delay shutoff control mode;

wherein when said microcontroller receives said message carrying sensing signal, said microcontroller checks the states of said first controllable switching element and said second controllable switching element, wherein if at least one of said first controllable switching element and said second controllable switching element is in conduction state, said microcontroller accordingly activates a process of delay shutoff to completely cutoff both said first controllable switching element and said second controllable switching element after a preset delay time;

wherein during said preset delay time said microcontroller manages to gradually reduce the conduction rates of said first controllable switching element and said second controllable switching element with the same pace till both said first controllable switching element and said second controllable switching element are completely cut off at the end of said preset delay time such that said first LED lighting load and said second LED lighting of said LED lamp are slowly dimmed to zero with the same pace such that said LED lamp is slowly turned off with color temperature unchanged, wherein if both said first controllable switching element and said second controllable switching element are in cutoff state, said microcontroller instantly and accordingly manages to conduct at least one of said first controllable switching element and said second controllable switching element.

30. The microcontroller based electronic switch according to claim 12, wherein said working mode is said delay shutoff control mode;

wherein when said microcontroller receives said message carrying sensing signal, said microcontroller checks the states of said first controllable switching element and said second controllable switching element, wherein if at least one of said first controllable switching element and said second controllable switching element is in conduction state, said microcontroller accordingly activates a process of delay shutoff to cutoff both said first controllable switching element and said second controllable switching element after a preset delay time;

wherein during said preset delay time said microcontroller manages to instantly, proportionally and respectively reduce conduction rates of said first controllable switching element and said second controllable switching element to lower levels for a shorter time interval, wherein upon a maturity of said shorter time interval said microcontroller further manages to gradually reduce conduction rates of said first controllable switching element and said second controllable switching element with the same pace till said first controllable switching element and said second controllable switching element are both cut off at the end of said preset delay time such that said first LED lighting load and said second LED lighting load are both dimmed with the same pace such that LED lamp is slowly turned off with color temperature unchanged, wherein if both said first controllable switching element and said second controllable switching element are in cutoff state, said microcontroller instantly and accordingly manages to conduct at least one of said first controllable switching element and said second controllable switching element.

31. A microcontroller based electronic switch for controlling lighting performance of an LED lamp configured with a plurality of LED lighting loads comprising:

a first controllable switching element, electrically connected between a first LED lighting load for emitting light with a first color temperature and a power source;

a second controllable switching element, electrically connected between a second LED lighting load for emitting light with a second color temperature and said power source;

a first detection device for detecting a first external control signal and converting said first external control signal into a first message carrying sensing signal;

a second detection device for detecting a second external control signal and converting said second external control signal into a second message carrying sensing signal; and

a microcontroller through a first control pin receives said first message carrying sensing signal generated by said first detection device, said microcontroller through a second control pin receives said second message carrying sensing signal generated by said second detection device, wherein said microcontroller through a third control pin is electrically coupled to said first controllable switching element, wherein said microcontroller through a fourth control pin is electrically coupled to said second controllable switching element, wherein said microcontroller respectively controls conduction state or cutoff state of said first controllable switching element and said second controllable switching element to control electric power transmissions from said power source respectively to said first LED lighting load and to said second LED lighting load according to said first message carrying sensing signal and said second message carrying sensing signal generated respectively by said first detection device and said second detection device;

wherein said first color temperature is higher than said second color temperature;

wherein said first detection device is a touch less interface to receive and convert said first external control signal into said first message carrying sensing signal interpretable to said microcontroller;

wherein said second detection device is a direct touch interface to receive and convert said second external control signal into said second message carrying sending signal interpretable to said microcontroller;

wherein said first message carrying sensing signal and said second message carrying sensing signal are characterized with a signal format of a short voltage signal, a long voltage signal, a plurality of short voltage signals, a plurality of voltage signals or a combination of said short voltage signal and said long voltage signal generated in a preset time interval;

wherein the short voltage signal and the long voltage signal are respectively defined either by a time length of a voltage signal or by the time length of a series of pulse signals consecutively generated;

wherein when said microcontroller receives said first message carrying sensing signal or said second message carrying sensing signal, said microcontroller manages according to said signal format of said first message carrying sensing signal or said second message carrying sensing signal to perform at least one of various working modes including at least an on/off switch control mode, a dimming control mode, a color temperature tuning control mode, a dimming and color temperature tuning control mode, and a delay shutoff control mode;

wherein when said first controllable switching element and said second controllable switching element are in conduction state, said microcontroller further controls electric power transmission levels from said power source respectively to said first LED lighting load and to said second LED lighting load according to said signal format of said first message carrying sensing signal or said second message carrying sensing signal received, wherein said microcontroller through said third control pin outputs a first control signal to control a conduction rate of said first controllable switching element, said microcontroller through said fourth control pin outputs a second control signal to control said conduction rate of said second controllable switching element;

wherein said microcontroller is an integrated circuit programmable for generating said first control signal and said second control signal, or an application specific integrated circuit (ASIC) custom made for generating said first control signal and said second control signal.

32. The microcontroller based electronic switch according to claim 31, wherein said touch less interface is an active infrared ray sensor comprising an infrared ray transmitter for emitting infrared light into an area to form a defined detection zone, an infrared ray receiver for receiving infrared light reflected from an object in said defined detection zone, and a detection circuitry for detecting and generating different voltage signals in response to a motion of said object entering and leaving said defined detection zone;

wherein when said object enters said defined detection zone, said detection circuitry operates to generate a first voltage sensing signal with a time length corresponding to a time interval of said object entering and staying in said defined detection zone;

wherein when said object leaves said defined detection zone, said detection circuitry operates to generate a second voltage signal to conclude said time length of said first voltage sensing signal, wherein said first voltage sensing signal with said time length is a basic format for configuring said first message carrying sensing signal to be delivered to said microcontroller.

33. The microcontroller based electronic switch according to claim 31, wherein said touch less interface of said first detection device is a wireless remote control device electrically coupled to said microcontroller to receive and convert a wireless external control signal into said first message carrying sensing signal with said signal format interpretable to said microcontroller.

34. The microcontroller based electronic switch according to claim 33, wherein the wireless remote control device is a Wi-Fi wireless signal receiver, a Bluetooth wireless signal receiver, a Zigbee wireless signal receiver or a radio frequency wireless signal receiver.

35. The microcontroller based electronic switch according to claim 31, wherein said direct touch interface of said second detection device is a detection circuitry operated with a push button or a touch sensor, wherein said detection circuitry is electrically coupled with said microcontroller, wherein when an user contacts said direct touch interface for a time interval, said detection circuitry responsively generates a first voltage signal with a time length corresponding to said time interval of said direct touch interface being contacted wherein when said user withdraws from said direct touch interface, said second detection device delivers a second voltage signal;

said first voltage signal with said time length is a basic format for configuring said second message carrying sensing signal to be delivered to said microcontroller.

36. The microcontroller based electronic switch according to claim 31, wherein said direct touch interface of said second detection device is a detection circuitry electrically coupled with said microcontroller to detect a signal of a short power interruption and convert said short power interruption signal into said second message carrying sensing signal with said signal format interpretable to said microcontroller for performing various working modes.

37. The microcontroller based electronic switch according to claim 31, wherein said direct touch interface of said second detection device is a circuitry to detect a voltage signal generated by a voltage divider and to convert a voltage value of said voltage signal into said second message carrying sensing signal with said signal format corresponding to said voltage value for controlling and setting said conduction rate of said first controllable switching element and said conduction rate of said second controllable switching element respectively.

38. The microcontroller based electronic switch according to claim 31, wherein a wireless signal transmitter is further electrically coupled with said microcontroller to convert said first message carrying sensing signal or said second message carrying sensing signal into a wireless control signal to control a lighting performance of at least one remote lighting apparatus.

39. The microcontroller based electronic switch according to claim 38, wherein said wireless signal transmitter is a Wi-Fi wireless signal transmitter, a Bluetooth wireless signal transmitter, a Zigbee wireless signal transmitter, or a radio frequency wireless signal transmitter.

40. A lighting apparatus comprising:

a first LED lighting load for emitting light with a first color temperature;

a second LED lighting load for emitting light with a second color temperature;

a diffuser, covering said first LED lighting load and said second LED lighting load to create a diffused light with a mingled color temperature; and

a microcontroller based electronic switch electrically connected to said first LED lighting load and to said second LED lighting load, said microcontroller based electronic switch further comprising;

a first switching element, electrically connected between said first LED lighting load and a power source;

a second switching element, electrically connected between said second LED lighting load and said power source;

at least a detection device, for detecting at least one external control signal and converting said at least one external control signal into at least one message carrying sensing signal;

a microcontroller to receive and interpret said at least one message carrying sensing signal generated by said at least one detection device, wherein said microcontroller through a first control pin is electrically coupled to said first switching element, and through a second control pin is electrically coupled to said second switching element, wherein said microcontroller through a third control pin receives said at least one message carrying sensing signal from said at least one detection device, wherein said microcontroller controls a conduction state or a cutoff state of said first switching element through said first control pin and said microcontroller controls said conduction state or said cutoff state of said second switching element through said second control pin to control electric power transmission levels from said power source respectively to said first LED lighting load and to said second LED lighting load according to said at least one message carrying sensing signal generated by said at least one detection device;

wherein said first color temperature is higher than said second color temperature;

wherein said at least one message carrying sensing signal is characterized with a signal format of a short voltage signal, a long voltage signal, a plurality of short voltage signals, a plurality of long voltage signals or a combination of short voltage signal and long voltage signal generated in a preset time interval;

wherein said short voltage signal and said long voltage signal are respectively defined either by a time length of a voltage signal or by said-time length of a series of pulse signals consecutively generated;

wherein when said microcontroller receives said at least one message carrying sensing signal, said microcontroller operates according to said signal format of said at least one message carrying sensing signal to perform at least one of various working modes including at least an on/off switch control mode, a dimming control mode, a color temperature tuning control mode, a color temperature switching mode, a dimming and color temperature tuning control mode, and a delay shutoff control mode;

wherein when said first switching element and said second switching element are in said conduction state, said microcontroller further controls said electric power transmission levels from said power source respectively to said first LED lighting load and to said second LED lighting load according to said signal format of said at least one message carrying sensing signal received, wherein said microcontroller through said first control pin outputs a first control signal to change a conduction rate of said first switching element, said microcontroller through said second control pin outputs a second control signal to change said conduction rate of said second switching element;

wherein said microcontroller is an integrated circuit programmable for generating said first control signal and said second control signal, or an application specific integrated circuit (ASIC) custom made for generating said first control signal and said second control signal.

41. The lighting apparatus according to claim 40, wherein both said first switching element and said second switching element are controllable switching element, wherein when said microcontroller receives said at least one message carrying sensing signal, said microcontroller operates to output said first control signal and said second control signal with an arrangement that said conduction rate of said first switching element and said conduction rate of said second switching element are reversely adjusted with the same pace such that a total electric power transmitted to said first LED lighting load and said second LED lighting load is maintained at a constant level while said mingled color temperature of said lighting apparatus is proportionately adjusted according to said signal format of said at least one message carrying sensing signal to perform said color temperature tuning control mode.

42. The lighting apparatus according to claim 40, wherein both said first switching element and said second switching element are controllable switching elements, wherein said first control signal and said second control signal are designed to operate with an arrangement that said conduction rate of said first switching element and said conduction rate of said second switching element are unidirectionally and proportionally adjusted with the same pace such that said mingled color temperature of said lighting apparatus is maintained at a constant level while a light intensity of said lighting apparatus is being proportionately adjusted according to said signal format of said at least one message carrying sensing signal to perform said dimming control mode.

43. The lighting apparatus according to claim 40, wherein at least said first switching element is a controllable switching element, wherein when said dimming and color temperature tuning control mode is performed, said microcontroller manages to output said first control signal to proportionately reduce said conduction rate of said first switching element such that said first LED lighting load with said first color temperature is dimmed according to said signal format of said at least one message carrying sensing signal, wherein said microcontroller manages to output said second control signal to control said conduction rate of said second switching element such that said second LED lighting load with said second color temperature operates at a constant power level before being turned off to create a dim to warm effect, wherein during a cycle of said dimming and color temperature tuning control mode, a light intensity and said mingled color temperature of said lighting apparatus are determined by said signal format of said at least one message carrying sensing signal received from said at least one detection device.

44. The lighting apparatus according to claim 40, wherein said first switching element and said second switching element are controllable switching elements, wherein when said dimming and color temperature tuning control mode is performed, said microcontroller outputs said first control signal to control a conduction rate of said first switching element, said microcontroller outputs said second control signal to control said conduction rate of said second switching element, wherein said first control signal and said second control signal are designed to operate with an arrangement that said first LED lighting load and said second LED lighting load are respectively dimmed in such a way that said first LED lighting load leads said second LED lighting load in reaching a turnoff state in performing said dimming and color temperature tuning control mode such that said mingled color temperature created by said diffuser of said lighting apparatus continues to change to a warmer illumination along with a continuous reduction of light intensity according to said signal format of said at least one message carrying sensing signal, wherein during a cycle of said dimming and color temperature tuning control mode, a light intensity and said mingled color temperature of said lighting apparatus are determined by said signal format of said at least one message carrying sensing signal received from said at least one detection device.

45. The lighting apparatus according to claim 40, wherein said first LED lighting load is configured with a plurality of light emitting diodes and said second LED lighting load is configured with a plurality of light emitting diodes , wherein said first switching element comprises a plurality of transistors with each transistor electrically coupled to at least one of the plurality of light emitting diodes of said first LED lighting load, wherein said conduction rate of said first switching element is adjustable thru outputting at least one control signal to respectively control conduction or cutoff of at least one said transistor selected, wherein when said dimming and color temperature tuning control mode is performed, said microcontroller successively outputs said at least one control signal to decreasingly change said conduction rate of said first switching element such that said first LED lighting load with said first color temperature is turned off gradually, wherein said microcontroller successively output said at least one control signal to manage said conduction rate of said second switching element such that said second LED lighting load with said second color temperature operates at a constant electric power level before being turned off to create a dim to warm effect, wherein during a cycle of said dimming and color temperature tuning mode, a light intensity and said mingled color temperature of said lighting apparatus are determined by said signal format of said at least one message carrying sensing signal received from said at least one detection device.

46. The lighting apparatus according to claim 40, wherein said at least one detection device is a touch less interface for detecting said at least one external control signal and converting said at least one external control signal into said at least one message carrying sensing signal interpretable to said microcontroller.

47. The lighting apparatus according to claim 46, wherein said touch less interface is an active infrared ray sensor comprising an infrared ray transmitter for emitting infrared light into an area to form a defined detection zone, an infrared ray receiver for receiving infrared light reflected from an object in said defined detection zone, and a detection circuitry for detecting and generating different voltage signals in response to a motion of said object entering and leaving said defined detection zone;

wherein when said object enters said defined detection zone, said detection circuitry operates to generate a first voltage sensing signal with a time length corresponding to a time interval of said object entering and staying in said defined detection zone;

wherein when said object leaves said defined detection zone, said detection circuitry operates to generate a second voltage signal to conclude said time length of said first voltage sensing signal, wherein said first voltage sensing signal with said time length is a basic format for configuring said at least one message carrying sensing signal to be delivered to said microcontroller.

48. The lighting apparatus according to claim 47, wherein said lighting apparatus is an LED light bulb constructed with said microcontroller based electronic switch, and said at least one detection device is said active infrared ray sensor being mounted in or on said LED bulb housing for detecting said at least one external control signal.

49. The lighting apparatus according to claim 46, wherein said touch less interface is a wireless remote control device electrically coupled to said microcontroller to receive and convert at least one external control signal into said at least one message carrying sensing signal with said signal format interpretable to said microcontroller.

50. The lighting apparatus according to claim 49, wherein said wireless remote control device is a Wi-Fi wireless signal receiver, a Bluetooth wireless signal receiver, a Zigbee wireless signal receiver or a radio frequency wireless signal receiver.

51. The lighting apparatus according to claim 40, wherein a wireless signal transmitter is further electrically coupled with said microcontroller to convert said at least one message carrying sensing signal into at least one wireless control signal to control a lighting performance of at least one remote lighting apparatus.

52. The lighting apparatus according to claim 51, wherein said wireless signal transmitter is a Wi-Fi wireless signal transmitter, a Bluetooth wireless signal transmitter, a Zigbee wireless signal transmitter, or a radio frequency wireless signal transmitter.

53. The lighting apparatus according to claim 40, wherein said at least one detection device is a direct touch interface for detecting said at least one external control signal and converting said at least one external control signal into said at least one message carrying sensing signal interpretable to said microcontroller.

54. The lighting apparatus according to claim 53, wherein said direct touch interface is a detection circuitry operated with a push button device or a touch sensor device, wherein when an user contacts said direct touch interface for a time interval, said detection circuitry responsively generates a first voltage signal with a time length corresponding to said time interval of said direct touch interface being contacted;

wherein when said user withdraws from said direct touch interface, said detection circuitry delivers a second voltage signal;

said first voltage signal with said time length is a basic format for configuring said at least one message carrying sensing signal to be delivered to said microcontroller.

55. The lighting apparatus according to claim 53, wherein said direct touch interface is a detection circuitry electrically coupled with said microcontroller to detect a signal of a short power interruption and convert said short power interruption signal into said at least one message carrying sensing signal interpretable to said microcontroller for performing various working modes.

56. The lighting apparatus according to claim 53, wherein said direct touch interface is a circuitry to detect a voltage signal generated by a voltage divider and convert a voltage value of said voltage signal into said at least one message carrying sensing signal with said signal format corresponding to said voltage value-generated for setting conduction rates of said first switching element and said second switching element respectively.

57. A lighting apparatus comprising:

a first LED lighting load for emitting light with a first color temperature;

a second LED lighting load for emitting light with a second color temperature;

a third LED lighting load for emitting light with a third color temperature;

a diffuser, covering said first LED lighting load, said second LED lighting load and said third LED lighting load to create a diffused light with a mingled color temperature;

a microcontroller based electronic switch electrically connected to said first LED lighting load, said second LED lighting load and said third LED lighting load, said microcontroller based electronic switch further comprising;

a first controllable switching element, electrically connected between said first LED lighting load and a power source;

a second controllable switching element, electrically connected between said second LED lighting load and the power source;

a third controllable switching element, electrically connected between said third LED lighting load and the power source;

at least one detection device, for detecting at least one external control signal and converting said at least one external control signal into at least one message carrying sensing signal; and

a microcontroller to receive and interpret said at least one message carrying sensing signal generated by said at least one detection device, wherein said microcontroller through a first control pin is electrically coupled to said first controllable switching element, said microcontroller through a second control pin is electrically coupled to said second controllable switching element, and said microcontroller through a third control pin is electrically coupled to said third controllable switching element;

wherein said microcontroller through a fourth control pin receives said at least one message carrying sensing signal from said at least one detection device, wherein said microcontroller controls a conduction state or a cutoff state of said first controllable switching element through said first control pin, said microcontroller controls said conduction state or said cutoff state of said second controllable switching element through said second control pin, and said microcontroller controls the said conduction state or said cutoff state of said third controllable switching element through said third control pin to control electric power transmission levels from said power source respectively to said first LED lighting load, to said second LED lighting load and to said third LED lighting load according to said at least one message carrying sensing signal generated by said at least one detection device;

wherein said first color temperature is higher than said second color temperature and said second color temperature is higher than said third color temperature;

wherein said at least one message carrying sensing signal is characterized with a signal format of a short voltage signal, a long voltage signal, a plurality of short voltage signals, a plurality of long signals or a combination of said short voltage signal and said long voltage signal generated in a preset time interval;

wherein said short voltage signal and said long voltage signal are respectively defined either by a time length of a voltage signal or by said time length of a voltage signal comprising a series of pulse signals consecutively generated;

wherein when said microcontroller receives said at least one message carrying sensing signal, said microcontroller operates according to said signal format of said at least one message carrying sensing signal to perform at least one of various working modes including at least an on/off switch control mode, a dimming control mode, a color temperature tuning control mode, a dimming and color temperature tuning control mode and a delay shutoff control mode;

wherein when said first controllable switching element, said second controllable switching element and said third controllable switching element are in said conduction state, said microcontroller further controls said electric power transmission levels from the power source respectively to said first LED lighting load, to said second LED lighting load and to said third LED lighting load according to said signal format of said at least one message carrying sensing signal received, wherein said microcontroller through said first control pin outputs a first control signal to change conduction rate of said first controllable switching element, said microcontroller through said second control pin outputs a second control signal to change conduction rate of said second controllable switching element and said microcontroller through said third control pin outputs a third control signal to change conduction rate of said third controllable switching element;

wherein when said microcontroller receives said at least one message carrying sensing signal said signal format for performing said dimming and color temperature tuning control mode, said microcontroller manages to output different control signals to said first controllable switching element, to said second controllable switching element and to said third controllable switching element with an arrangement that said first LED lighting load leads said second LED lighting load and said second LED lighting load leads said third LED lighting load in reaching a turnoff state such that said mingled color temperature of said lighting apparatus continues to change to a warmer illumination along with a continuous reduction of light intensity according to said signal format of said at least one message carrying sensing signal, wherein during a cycle of said dimming and color temperature tuning control mode, a light intensity and said mingled color temperatures of the lighting apparatus are determined by said signal format of said at least one message carrying sensing signal received from said at least one detection device;

wherein said microcontroller is an integrated circuit programmable for generating said first control signal, said second control signal and said third control signal, or an application specific integrated circuit (ASIC) custom made for generating said first control signal, said second control signal and said third control signal.

58. The lighting apparatus according to claim 57, wherein said at least one detection device is configured with a touch less interface for detecting said at least one external control signal and converting said at least one external control signal into said at least one message carrying sensing signal interpretable to said microcontroller.

59. The lighting apparatus according to claim 58, wherein said touch less interface is an active infrared ray sensor comprising an infrared ray transmitter for emitting infrared light into an area to form a defined detection zone, an infrared ray receiver for receiving infrared light reflected from an object in said defined detection zone, and a detection circuitry for detecting and generating different voltage signals in response to a motion of said object entering and leaving said defined detection zone;

wherein when said object enters said defined detection zone, said detection circuitry operates to generate a first voltage sensing signal with a time length corresponding to a time interval of said object entering and staying in said defined detection zone;

wherein when said object leaves said defined detection zone, said detection circuitry operates to generate a second voltage signal to conclude said time length of said first voltage sensing signal, wherein said first voltage sensing signal with said time length is a basic format for configuring said at least one message carrying sensing signal to be delivered to said microcontroller.

60. The lighting apparatus according to claim 59, wherein said lighting apparatus is a LED light bulb constructed with said microcontroller based electronic switch, and said at least one detection device is said active infrared ray sensor being mounted in or on said LED bulb housing for detecting said at least one external control signal.

61. The lighting apparatus according to claim 58, wherein said touch less interface is a wireless remote control device electrically coupled to said microcontroller to receive and convert said at least one external control signal into said at least one message carrying sensing signal with said signal format interpretable to said microcontroller.

62. The lighting apparatus according to claim 61, wherein said wireless remote control device is a Wi-Fi wireless signal receiver, a Bluetooth wireless signal receiver, a Zigbee wireless signal receiver or a radio frequency wireless signal receiver.

63. The lighting apparatus according to claim 57, wherein a wireless signal transmitter is further electrically coupled with said microcontroller to convert said at least one message carrying sensing signal into a wireless control signal to control a lighting performance of at least one remote lighting apparatus.

64. The lighting apparatus according to claim 63, wherein said wireless signal transmitter is a Wi-Fi wireless signal transmitter, a Bluetooth wireless signal transmitter, a Zigbee wireless signal transmitter, or a radio frequency wireless signal transmitter.

65. The lighting apparatus according to claim 57, wherein said detection device is configured with a direct touch interface for detecting said at least one external control signal and converting said at least one external control signal into said at least one message carrying sensing signal interpretable to said microcontroller.

66. The lighting apparatus according to claim 65, wherein said direct touch interface is a detection circuitry operated with a push button device or a touch sensor device, wherein said detection circuitry is electrically coupled with said microcontroller, wherein when an user contacts said direct touch interface for a time interval, said detection circuitry responsively generates a first voltage signal with a time length corresponding to said time interval of said direct touch interface being contacted;

wherein when said user withdraws from said direct touch interface, said detection circuitry delivers a second voltage signal;

said first voltage signal with said time length is a basic format for configuring said at least one message carrying sensing signal to be delivered to said microcontroller.

67. The lighting apparatus according to claim 65, wherein said direct touch interface is a detection circuitry electrically coupled with said microcontroller to detect a signal of a short power interruption and convert said short power interruption signal into said at least one message carrying sensing signal interpretable to said microcontroller for performing various working modes.

68. The lighting apparatus according to claim 65, wherein said direct touch interface is a circuitry to detect a voltage signal generated by a voltage divider and to convert a voltage value of said voltage signal into said at least one message carrying sensing signal with said signal format corresponding to said voltage value generated for setting conduction rates of said first switching element and said second switching element respectively.

69. A method of creating a dim to warm effect for controlling lighting performance of an LED lamp comprising:

using at least a first LED lighting load with a high color temperature and a second LED lighting load with a low color temperature to form a lighting unit of said LED lamp;

electrically coupling a switching circuitry to said first LED lighting load and to said second LED lighting load to respectively deliver different average electric powers to said first LED lighting load and to said second LED lighting load for generating different illuminations respectively ;

using a detection device to detect an external control signal and to convert said external control signal into a message carrying sensing signal with a time length;

using a microcontroller to output at least one control signal to control a conduction rate of said switching circuitry electrically coupled to said first LED lighting load and to said second LED lighting load according to said time length of said message carrying sensing signal received from said detection device; and

using a diffuser to cover at least said first LED lighting load with said high color temperature and said second LED lighting load with said low color temperature to create a diffused light with a mingled color temperature;

wherein said switching circuitry comprises at least one semiconductor switching device;

wherein when a dimming cycle is performed, said microcontroller receives said message carrying sensing signal and responsively outputs said at least one control signal to reduce conduction rate of said switching circuitry coupled to said first LED lighting load and to said second LED lighting load with an arrangement that said first LED lighting load with said high color temperature leads said second LED lighting load with said low color temperature in reaching a turnoff state during said dimming cycle such that said mingled color temperature of said LED lamp continues to change to a warmer illumination along with a continuous reduction of light intensity according to said time length of said message carrying sensing signal to create a dim to warm effect;

wherein at any time during said dimming cycle a light intensity and said mingled color temperature of said lighting apparatus are determined by said time length of said message carrying sensing signal received from said detection device;

wherein said microcontroller is an integrated circuit programmable for generating said at least one control signal, or an application specific integrated circuit (ASIC) custom made for generating said at least one control signal.

70. The method of creating a dim to warm effect for controlling lighting performance of an LED lamp according to claim 69, wherein during said dimming cycle said switching circuitry manages to continually reduce said average electrical power delivered to said first LED lighting load and said switching circuitry simultaneously manages to deliver a constant said average electric power to said second LED lighting load till at a time when said first LED lighting load is turned off and then said switching circuitry manages to reduce said average electric power to said second LED lighting load till said second LED lighting load is also turned off completely, such that said first LED lighting load leads said second LED lighting load in reaching a turnoff state before the end of said dimming cycle.

71. The method of creating a dim to warm effect for controlling lighting performance. of an LED lamp according to claim 69, wherein during said dimming cycle said switching circuitry manages to continuously reduce said average electric power delivered to said first LED lighting load at a faster pace than reducing said average electric power delivered to said second LED lighting load such that said first LED lighting load leads said second LED lighting load in reaching a turnoff state in performing said dimming cycle to create a dim to warm effect through a light diffuser according to said time length of said message carrying sensing signal, wherein at any time during said dimming cycle, a light intensity and said mingled color temperature of said LED lamp are determined by said time length of said message carrying sensing signal received from said detection device.

72. The method of creating a dim to warm effect for controlling lighting performance of an LED lamp according to claim 69, wherein during said dimming cycle, said switching circuitry manages to continuously reduce said average electric power delivered to said first LED lighting load at a faster pace such that said first LED lighting load leads said second LED lighting load in reaching a turnoff state during said dimming cycle, wherein in order to accelerate color temperature tuning pace along with a continuous reduction of light intensity of said LED lamp, said switching circuitry initially manages to increase said average electric power delivered to said second LED lighting load with a pace slower than the reduction pace of said average electric power delivered to said first LED lighting load such that a total average electric power delivered to said first LED lighting load and said second LED lighting load continues to decline while said mingled color temperature of said LED lamp continues to change to a warmer illumination at a faster pace to perform a faster dim to warm process, wherein when a dim to warm process ceases at a time point when said first LED lighting load reaches a turnoff state is an inflection time point for said switching circuitry to reversely manage to decrease said average electric power delivered to said second LED lighting load till reaching said turnoff state at the ending point of said dimming cycle, such that the dimming of said LED lamp continues to perform with said low color temperature of said second LED lighting load thru the end of said dimming cycle to complete a full cycle of said dim to warm process, wherein at any time during said dimming cycle , said light intensity and said mingled color temperature of said LED lamp are determined by said time length of said message carrying sensing signal received from said detection device.

73. A lighting apparatus comprising:

a first LED lighting load for emitting light with a first color temperature;

a second LED lighting load for emitting light with a second color temperature;

a diffuser, covering said first LED lighting load and said second LED lighting load to create a diffused light with a mingled color temperature; and

a microcontroller based electronic switch, electrically coupled to said first LED lighting load and said second LED lighting load, wherein said microcontroller based electronic switch further comprising;

a first controllable switching element, electrically coupled between said first LED lighting load and a power source;

a second controllable switching element , electrically coupled between said second LED lighting load and the power source;

a first detection device for detecting a first external control signal and converting said first external control signal into a first message carrying sensing signal;

a second detection device for detecting a second external control signal and converting said second external control signal into a second message carrying sensing signal; and

a microcontroller to receive and interpret said first message carrying sensing signal and said second message carrying sensing signal to respectively activate a corresponding process for controlling and setting a light intensity level and a mingled color temperature level of said lighting apparatus;

wherein said microcontroller through a first control pin is electrically coupled to said first controllable switching element and through a second control pin is electrically coupled to said second controllable switching element, wherein said microcontroller through a third control pin receives said first message carrying sensing signal from said first detection device, wherein said microcontroller through a fourth control pin receives said second message carrying sensing signal from said second detection device;

wherein said color temperature of said first LED lighting load is higher than said color temperature of said second LED lighting load;

wherein said first message carrying sensing signal and said second message carrying sensing signal are characterized with a signal format of a short voltage signal, a long voltage signal or a plurality of short voltage signals generated in a preset time interval;

wherein the short voltage signal and the long voltage signal are respectively defined either by a time length of a voltage signal or by the time length of a voltage signal comprising a series of pulse signals consecutively generated;

wherein said first detection device is a first direct touch interface designed to detect said first external control signal and convert said first external control signal into said first message carrying sensing signal interpretable to said microcontroller for controlling and setting said mingled color temperature level of said lighting apparatus;

wherein when said microcontroller receives said first message carrying sensing signal from said first detection device, said microcontroller manages to activate a first process to output a first control signal to reduce conduction rate of said first controllable switching element and meantime to output a second control signal to increase said conduction rate of said second controllable switching element, or vice versa, according to said signal format of said first message carrying sensing signal with an arrangement that a total power delivered to said first LED lighting load and said second LED lighting load remains unchanged;

wherein said second detection device is a second direct touch interface designed to detect a second external control signal and convert said second external control signal into said second message carrying sensing signal interpretable to said microcontroller for controlling and setting said light intensity level of said lighting apparatus;

wherein when said microcontroller receives said second message carrying sensing signal from said second detection device, said microcontroller manages further to determine a total power level transmitted to said first LED lighting load and said second LED lighting load according to said signal format of said second message carrying sensing signal with an arrangement that the ratio between the power delivered to said first LED lighting load and a power delivered to said second LED lighting load remains at a constant level;

wherein said microcontroller outputs a third control signal to reduce conduction rate of said first controllable switching element and meantime to output a fourth control signal to reduce conduction rate of said second controllable switching element with the same pace, or vice versa, such that said mingled color temperature of said diffused light through said diffuser remains unchanged.

74. The lighting apparatus according to claim 73, wherein a power switch is used to control on state and off state of said lighting apparatus;

wherein when said power switch is turned on said lighting apparatus responsively perform an illumination and wherein when said power switch is turned off the illumination of said lighting apparatus is immediately shutoff.

75. The lighting apparatus according to claim 73, wherein a third detection device is further installed and coupled to a control pin of said microcontroller to detect a voltage signal generated by a third direct touch interface and convert said voltage signal into a third message carrying sensing signal for controlling an on/off performance of said lighting apparatus;

wherein when said microcontroller receives said third message carrying sensing signal, said microcontroller operates to turn on or turn off said lighting apparatus alternatively.

76. The lighting apparatus according to claim 73, wherein said first direct touch interface of said first detection device comprises a circuitry to detect a voltage signal generated by a voltage divider and convert a voltage value of said voltage signal into said first message carrying sensing signal.

77. The lighting apparatus according to claim 73, wherein said second direct touch interface of said second detection device comprises a circuitry to detect a voltage signal generated by a voltage divider and convert a voltage value of said voltage signal into said second message carrying sensing signal.

78. The lighting apparatus according to claim 73, wherein said first direct touch interface of said first detection device comprise a circuitry to detect a voltage signal generated by a push button interface or a touch pad interface, and convert said voltage signal into said first message carrying sensing signal with a time length corresponding to a time interval of said push button interface or said touch pad interface being continuously contacted by an user for controlling and setting the color temperature level of the lighting apparatus.

79. The lighting apparatus according to claim 73, wherein said second direct touch interface of said second detection device comprises a circuitry to detect a voltage signal generated by a push button interface or a touch pad interface and convert said voltage signal into said second message carrying sensing signal with a time length corresponding to a time interval of said push button interface or touch pad interface being continuously contacted by an user for controlling and setting said light intensity level of said lighting apparatus.

80. The lighting apparatus according to claim 73, wherein a wireless signal transmitter is further electrically coupled with said microcontroller to convert said first message carrying sensing signal or said second message carrying sensing signal into a wireless signal to remotely control a lighting performance of at least one lighting apparatus.

81. The lighting apparatus according to claim 80, wherein said wireless signal transmitter is a Wi-Fi wireless signal transmitter, a Bluetooth wireless signal transmitter or a radio frequency wireless signal transmitter.

82. A lighting apparatus comprising:

a first LED lighting load for emitting light with a first color temperature;

a second LED lighting load for emitting light with a second color temperature;

a diffuser, covering said first LED lighting load and said second LED lighting load to create a diffused light with a mingled color temperature;

a clock, providing clock time information to be used for scheduling variation of color temperature of said lighting apparatus according to a programmed pattern of color temperature; and

a microcontroller based electronic switch electrically connected to said first LED lighting load and said second LED lighting load;

wherein said microcontroller based electronic switch further comprising;

a first controllable switching element, electrically connected between said first LED lighting load and a power source for controlling a first electrical power level transmitted to said first LED lighting load;

a second controllable switching element, electrically connected between said second LED lighting load and said power source for controlling a second electrical power level transmitted to said second LED lighting load;

a detection device, for detecting an external control signal and converting said external control signal into a messaging carrying sensing signal; and

a microcontroller to receive and interpret said message carrying sensing signal generated by said detection device, wherein said microcontroller is electrically connected between said first controllable switching element and said detection device, said microcontroller is also electrically connected between said second controllable switching element and said detection device, said microcontroller is designed to execute a task of managing illumination characteristics of said lighting apparatus including light intensity and mingled color temperature;

wherein said microcontroller controls a conduction state, a cutoff state or conduction rates of said first controllable switching element and said second controllable switching element to control electric power transmission levels from said power source respectively to said first LED lighting load and said second LED lighting load according to a process designed for an automatic tuning of said mingled color temperature of said lighting apparatus based on said clock time information provided by said clock and according to a signal format of said message carrying sensing signal generated by said detection device;

wherein said first color temperature is higher than said second color temperature;

wherein said clock time information is either received from said clock electrically connected to said microcontroller or received from a mobile device configured with a clock time capacity through a wireless signal receiver electrically connected with said microcontroller;

wherein said signal format is a short voltage signal, a long voltage signal or a plurality of voltage signals generated in a preset time interval;

wherein said short voltage signal and said long voltage signal are respectively defined either by a time length of a voltage signal or by said time length of a voltage signal comprising a series of pulse signals consecutively generated;

wherein when said microcontroller receives said message carrying sensing signal, said microcontroller manages to activate a corresponding process according to said signal format of said message carrying sensing signal to perform one of various working modes including an on/off switch control mode, a dimming control model, a color temperature tuning control mode and a delay shutoff mode.

83. The lighting apparatus according to claim 82, wherein said detection device is configured with a touch less interface for detecting said external control signal and converting said external control signal into said message carrying sensing signal interpretable to said microcontroller.

84. The lighting apparatus according to claim 83, wherein said touch less interface is an active infrared ray sensor comprising an infrared ray transmitter for emitting infrared light into an area to form a defined detection zone, an infrared ray receiver for receiving infrared light reflected from an object in said defined detection zone, and a detection circuitry for detecting and generating different voltage signals in response to a motion of said object entering and leaving said defined detection zone;

wherein when said object enters said defined detection zone, said detection circuitry operates to generate a first voltage sensing signal with a time length corresponding to a time interval of said object entering and staying in said defined detection zone;

wherein when said object leaves said defined detection zone, said detection circuitry operates to generate a second voltage signal to conclude said time length of said first voltage sensing signal, wherein said first voltage sensing signal with said time length is a basic format for configuring said message carrying sensing signal to be delivered to said microcontroller.

85. The lighting apparatus according to claim 83, wherein said touch less interface is a wireless remote control device electrically coupled to said microcontroller to receive and to convert a wireless external control signal into said message carrying sensing signal with said signal format interpretable to said microcontroller.

86. The lighting apparatus according to claim 85, wherein said wireless remote control device is a Wi-Fi wireless signal receiver, a Bluetooth wireless signal receiver or a RF (radio frequency) wireless signal receiver, wherein said wireless external control signal, said clock and said clock time information are received from a mobile device.

87. The lighting apparatus according to claim 82, wherein a wireless signal transmitter is further electrically coupled with said microcontroller to convert said message carrying sensing signal into a wireless control signal to control a lighting performance of at least one remote lighting apparatus.

88. The lighting apparatus according to claim 87, wherein said wireless signal transmitter is a Wi-Fi wireless signal transmitter, a Bluetooth wireless signal transmitter, a Zigbee wireless signal transmitter, or a radio frequency wireless signal transmitter.

89. The lighting apparatus according to claim 82, wherein said detection device is configured with a direct touch interface for detecting said external control signal and converting said external control signal into said message carrying sensing signal interpretable to said microcontroller.

90. The lighting apparatus according to claim 89, wherein said direct touch interface is a detection circuitry operated with a push button or a touch sensor, wherein when an user contacts said direct touch interface for a time interval, said detection circuitry responsively generates a first voltage sensing signal with a time length corresponding to said time interval of said direct touch interface being contacted;

when said user withdraws from said direct touch interface, said detection circuitry operates to generate a second voltage signal to conclude said time length of said first voltage sensing signal;

wherein said first voltage sensing signal with said time length is a basic format for configuring said message carrying sensing signal to be delivered to said microcontroller.

91. The lighting apparatus according to claim 89, wherein said direct touch interface is a circuitry to detect a voltage signal generated by a voltage divider and convert a voltage value of said voltage signal into said message carrying sensing signal with said signal format corresponding to said voltage value for setting a total conduction rate of said first controllable switching element and said second controllable switching element.

92. The lighting apparatus according to claim 82, wherein when said color temperature tuning control mode is performed, said conduction rate of said first controllable switching element and said conduction rate of said second controllable switching element are reversely adjusted with the same pace controlled by said microcontroller such that a total power level transmitted to said first LED lighting load and said second LED lighting load remains unchanged, wherein said mingled color temperature of said lighting apparatus is varied based on a predetermined color temperature schedule comprising paired combinations of different conduction rates respectively set for operating said first controllable switching element and said second controllable switching element for a selection according to said clock time information at the time when said message carrying sensing signal is received by said microcontroller.

93. The lighting apparatus according to claim 82, wherein when the first controllable switching element and the second controllable switching element are in the conduction state, said microcontroller further controls a first electrical power level transmitted from the power source to the first LED lighting load and a second electrical power level transmitted from the power source to the second LED lighting load according to the signal format of said message carrying sensing signal received from said detection device, wherein the first electrical power level transmitted to the first LED lighting load and the second electrical power level transmitted to the second LED lighting load are designed to be unidirectionally and proportionally adjusted with the same pace such that the ratio of said first electrical power level to said second electrical power level is maintained at a constant level to perform the dimming control mode.

94. A lighting apparatus comprising:

a first LED lighting load for emitting light with a first color temperature;

a second LED lighting load for emitting light with a second color temperature;

a diffuser, covering said first LED lighting load and said second LED lighting load to create a diffused light with a mingled color temperature; and

a microcontroller based electronic switch electrically connected to said first LED lighting load and said second LED lighting load, comprising;

a first controllable switching element, electrically connected between said first LED lighting load and a power source;

a second controllable switching element, electrically connected between said second LED lighting load and said power source;

a detection device, for detecting and converting an external control signal into a message carrying sensing signal;

a wireless signal transmitter, for transmitting a coded wireless control signal converted from said message carrying sensing signal; and

a microcontroller to receive and interpret said message carrying sensing signal generated by said detection device, wherein said microcontroller is electrically connected between said first controllable switching element and said detection device, said microcontroller is also electrically connected between said second controllable switching element and said detection device, said microcontroller is also electrically coupled to said wireless signal transmitter for controlling a lighting performance of at least a second lighting apparatus located in a different location;

wherein said microcontroller controls a conduction state, a cutoff state or conduction rates of said first controllable switching element and said second controllable switching element to control electric power transmission levels from said power source respectively to said first LED lighting load and said second LED lighting load according to said message carrying sensing signal generated by said detection device;

wherein said first color temperature is higher than said second color temperature;

wherein said detection device is a wireless remote control device electrically coupled to a pin of said microcontroller to receive and convert a wireless external control signal into said message carrying sensing with a signal format interpretable to said microcontroller, wherein said signal format of said message carrying sensing signal is a voltage signal with a short time length, a voltage signal with a long time length or a plurality of voltage signals generated in a preset time interval;

wherein the short voltage signal and the long voltage signal are respectively defined either by a time length of a voltage signal or by the time length of a voltage signal comprising a series of pulse signals consecutively generated;

wherein when said microcontroller receives said message carrying sensing signal, said microcontroller manages to activate a corresponding process according to said signal format of said message carrying sensing signal to perform at least one of various working modes including at least an on/off switch control mode, a dimming control mode for selecting light intensity, a color temperature tuning mode for selecting light color, a color temperature switching mode and a delay timer control mode for managing delay shutoff before switching off the light.

95. The lighting apparatus according to claim 94, wherein said wireless remote control device is a Wi-Fi wireless control signal receiver, a Bluetooth wireless control signal receiver or a RF (radio frequency) wireless control signal receiver.

96. The lighting apparatus according to claim 94 wherein said lighting apparatus is configured as a commanding lamp in a lighting family comprising a plurality of member lamps installed in different locations in a living space for providing illumination;

wherein said commanding lamp receives said wireless external control signal and converts said wireless external control signal into said message carrying sensing signal interpretable to said microcontroller to control lighting performances of said commanding lamp or at least one member lamp, wherein for controlling said at least one member lamp, said microcontroller manages to convert said message carrying sensing signal into said coded wireless control signal for transmitting to at least one member lamp, wherein upon receiving said coded wireless control signal said wireless remote control device of said at least one member lamp manages to convert said coded wireless control signal into said message carrying sensing signal interpretable to said microcontroller of said at least one member lamp for controlling lighting performance of said at least one member lamp.

97. The lighting apparatus according to claim 94, wherein said wireless signal transmitter is a Wi-Fi wireless signal transmitter, a Bluetooth wireless signal transmitter, a Zigbee wireless signal transmitter or a radio frequency wireless signal transmitter.

98. The lighting apparatus according to claim 94, wherein said microcontroller comprises a memory for saving or installing an application program (APP) or a software program, wherein said application program (APP) from an internet or a cloud server is downloaded for updating the memory of said microcontroller.

99. A lighting apparatus comprising;

a first LED lighting load for emitting light with a first color temperature;

a second LED lighting load for emitting light with a second color temperature;

a diffuser, covering said first lighting load and said second lighting load to create a diffused light with a mingled color temperature; and

a microcontroller based electronic switch electrically connected to said first LED lighting load and said second LED lighting load, comprising;

a first controllable switching element, electrically connected between said first LED lighting load and a power source;

a second controllable switching element, electrically connected between said second LED lighting load and said power source;

a detection device, for detecting an external control signal and converting said external control signal into a message carrying sensing signal; and

a microcontroller to receive and interpret said message carrying sensing signal generated by said detection device, wherein said microcontroller is electrically connected between said first controllable switching element and said detection device, said microcontroller is electrically connected between said second controllable switching element and said detection device, said microcontroller controls a conduction state, a cutoff state or conduction rates of said first controllable switching element and said second controllable switching element to control electric power transmission levels from said power source respectively to said first LED lighting load with said first color temperature and said second LED lighting load with said second color temperature according to said message carrying sensing signal generated by said detection device;

wherein said first color temperature is higher than said second color temperature;

wherein said detection device is a detection circuit electrically coupled with said microcontroller to detect a signal of a short power interruption and convert said short power interruption signal into said message carrying sensing signal interpretable to said microcontroller, wherein when said microcontroller receives said message carrying sensing signal to perform a color temperature switching control mode, said microcontroller operates to change conduction rates of said first controllable switching element and said second controllable switching element according to paired combinations of conduction rates between said first controllable switching element and said second controllable switching element to alternately perform a different mingled color temperature, wherein the total conduction rate of said first controllable switching element and said second controllable switching element is managed at a constant level.

100. The lighting apparatus according to claim 99, wherein said paired combinations of conduction rates between said first controllable switching element and said second controllable comprises at least a first combination and a second combination, wherein said first combination is designed with an arrangement that said first controllable switching element is in a full conduction state while said second controllable switching element is in a complete cutoff state, wherein said second combination is designed with an arrangement that said first controllable switching element is in a complete cutoff state while said second controllable switching element is in a full conduction state, said lighting apparatus thereby alternatively performs between a first color temperature illumination and a second color temperature illumination according to said message carrying sensing signal received by said microcontroller.

101. A microcontroller based electronic switch for controlling a lighting performance of an LED lamp configured with a plurality of LED lighting loads comprising

a first controllable switching element, electrically connected between a first LED lighting load for emitting light with a first color temperature and a power source;

a second controllable switching element, electrically connected between a second LED lighting load for emitting light with a second color temperature and said power source;

a first detection device for detecting a first external control signal and converting said first external control signal into a first message carrying sensing signal;

a second detection device for detecting a second external control signal and converting said second external control signal into a second message carrying sensing signal; and

a microcontroller through a first control pin receives said first message carrying sensing signal generated by said first detection device, said microcontroller through a second control pin receives said second message carrying sensing signal generated by said second detection device, wherein said microcontroller through a third control pin is electrically coupled to said first controllable switching element, wherein said microcontroller through a fourth control pin is electrically coupled to said second controllable switching element;

wherein said first color temperature is higher than said second color temperature;

wherein said first detection device and said second detection device are direct touch interface;

wherein when said first controllable switching element and said second controllable switching element are in conduction state, said microcontroller further controls electric power transmission levels from said power source respectively to said first LED lighting load and to said second LED lighting load according to said first message carrying sensing signal or said second message carrying sensing signal received, wherein said microcontroller through said third control pin outputs a first control signal to control conduction rate of said first controllable switching element, said microcontroller through said fourth control pin outputs a second control signal to control conduction rate of said second controllable switching element;

wherein said first message carrying sensing signal and said second message carrying sensing signal are characterized with a signal format with a time length, wherein said time length of said signal format is defined either by a time duration of a voltage signal or by said time duration of a series of pulse signals consecutively generated;

wherein when said microcontroller receives said first message carrying sensing signal, said microcontroller manages to activate a first process to control a light intensity of a diffused light through a light diffuser covering said first LED lighting load and said second LED lighting load according to said time length of said first message carrying sensing signal, wherein when said microcontroller receives said second message carrying sensing signal, said microcontroller manages to activate a second process to reversely control said light intensity of said diffused light through said light diffuser according to said time length of said second message carrying sensing signal, wherein said first process and said second process are designed to operate a reverse function to each other for adjusting said light intensity of said LED lamp;

wherein said first process operates to increase and set said light intensity of said

LED lamp by proportionately increasing conduction rates of said first controllable switching element and said second controllable switching element according to said time length of said first message carrying sensing signal, wherein said second process operates to decrease and set said light intensity of said LED lamp by proportionately decreasing conduction rates of said first controllable switching element and said second controllable switching element according to said time length of said second message carrying sensing signal;

wherein said microcontroller is an integrated circuit programmable for generating said first control signal and said second control signal, or an application specific integrated circuit (ASIC) custom made for generating said first control signal and said second control signal.

102. The microcontroller based electronic switch according to claim 101, wherein said first detection device and said second detection device are integrated into a seesaw device, wherein one end of said seesaw device performs the function of said first detection device while the other end of said seesaw device performs the function of said second detection device for adjusting and setting said light intensity of said LED lamp.

103. The microcontroller based electronic switch according to claim 101, wherein a third detection device is furthered installed and coupled to a control pin of said microcontroller for controlling an on/off performance of said LED lamp, wherein said third detection device is a direct touch interface electrically coupled to said microcontroller for detecting a third external control signal and converting said third external control signal into a third message carrying sensing signal, wherein when said microcontroller receives said third message carrying sensing signal, said microcontroller operates to alternatively turn on or turn off said LED lamp.

104. The microcontroller based electronic switch according to claim 101, wherein a power switch is further installed to turn on or turn off said LED lamp.

105. The microcontroller based electronic switch according to claim 101, wherein said direct touch interface is a detection circuitry operated with a push button device or a touch sensor device, wherein when an user contacts said direct touch interface for a time interval, said detection circuitry responsively generates a first voltage signal with a time length corresponding to said time interval of said direct touch interface being contacted;

wherein when said user withdraws from said direct touch interface, said detection circuitry delivers a second voltage signal;

said first voltage signal with said time length is a basic format for configuring said first message carrying sensing signal and said second message carrying sensing signal to be delivered to said microcontroller.

106. A microcontroller based electronic switch for controlling a lighting performance of an LED lamp configured with a plurality of LED lighting loads comprising

a first controllable switching element, electrically connected between a first LED lighting load for emitting light with a first color temperature and a power source;

a second controllable switching element, electrically connected between a second LED lighting load for emitting light with a second color temperature and said power source;

a first detection device for detecting a first external control signal and converting said first external control signal into a first message carrying sensing signal;

a second detection device for detecting a second external control signal and converting said second external control signal into a second message carrying sensing signal; and

a microcontroller through a first control pin receives said first message carrying sensing signal generated by said first detection device, said microcontroller through a second control pin receives said second message carrying sensing signal generated by said second detection device, wherein said microcontroller through a third control pin is electrically coupled to said first controllable switching element, wherein said microcontroller through a fourth control pin is electrically coupled to said second controllable switching element;

wherein said first color temperature is higher than said second color temperature;

wherein said first detection device and said second detection device are direct touch interfaces;

wherein when said first controllable switching element and said second controllable switching element are in conduction state, said microcontroller further controls electric power transmission levels from said power source respectively to said first LED lighting load and to said second LED lighting load according to said first message carrying sensing signal or said second message carrying sensing signal received, wherein said microcontroller through said third control pin outputs a first control signal to control conduction rate of said first controllable switching element, said microcontroller through said fourth control pin outputs a second control signal to control conduction rate of said second controllable switching element;

wherein said first message carrying sensing signal and said second message carrying sensing signal are characterized with a signal format with a time length, wherein said time length of said signal format is defined either by a time duration of a voltage signal or by said time duration of a series of pulse signals consecutively generated;

wherein when said microcontroller receives said first message carrying sensing signal, said microcontroller manages to activate a first process to control a light color temperature of a diffused light through a light diffuser covering said first LED lighting load and said second LED lighting load of said LED lamp according to said time length of said first message carrying sensing signal, wherein when said microcontroller receives said second message carrying sensing signal, said microcontroller manages to activate a second process to reversely control said light color temperature of said diffused light through said light diffuser according to said time length of said second message carrying sensing signal, wherein said first process and said second process are designed to operate a reverse function to each other for adjusting said light color temperature of said diffused light through said light diffuser of the LED lamp;

wherein said first process operates to decrease conduction rate of said first controllable switching element and at the same time to increase conduction rate of said second controllable switching element with an arrangement that the total electric power transmitted to said first LED lighting load and said second LED lighting load is maintained at a constant level for decreasing and setting said light color temperature of said LED lamp according to said time length of said first message carrying sensing signal, wherein said second process operates to increase conduction rate of said first controllable switching element and at the same time to decrease conduction rate of said second controllable switching element with said arrangement that the total electric power transmitted to said first LED lighting load and said second LED lighting load is maintained at the constant level for increasing and setting said light color temperature of said LED lamp.

107. The microcontroller based electronic switch according to claim 106, wherein said first detection device and said second detection device are integrated into a seesaw device, wherein one end of said seesaw device performs a function of said first detection device while the other end of said seesaw device performs a function of said second detection device for adjusting and setting said light color temperature of said LED lamp.

108. The microcontroller based electronic switch according to claim 106, wherein a third detection device is furthered installed and coupled to a control pin of said microcontroller for controlling an on/off switch operation of said LED lamp, wherein said third detection device is a direct touch interface electrically coupled to said microcontroller for detecting a third external control signal and converting said third external control signal into a third message carrying sensing signal, wherein when said microcontroller receives said third message carrying sensing signal, said microcontroller operates to alternatively turn on or turn off said LED lamp.

109. The microcontroller based electronic switch according to claim 106, wherein a power switch is further installed to turn on or turn off said LED lamp.

110. The microcontroller based electronic switch according to claim 106, wherein said direct touch interface is a detection circuitry operated with a push button device or a touch sensor device, wherein when an user contacts said direct touch interface for a time interval, said detection circuitry responsively generates a first voltage signal with a time length corresponding to said time interval of said direct touch interface being contacted;

wherein when said user withdraws from said direct touch interface, said detection circuitry delivers a second voltage signal;

said first voltage signal with said time length is a basic format for configuring said first message carrying sensing signal and said second message carrying sensing signal to be delivered to said microcontroller.