LIGHTING CONTROL SYSTEM AND METHOD FOR CONTROLLING THE SAME

• US 20140239816A1
• Filed: 09/23/2013
• Published: 08/28/2014
• Est. Priority Date: 02/25/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: LEE, Sang Gon, KIM, Ki Young, JUNG, Yong Min
• Granted Patent: US 9,392,657 B2
• Time in Patent Office: Days
• US Class Current: 315/130
• CPC Class Codes: F21K 9/232 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
• CPC Class Codes: F21K 9/233 specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
• CPC Class Codes: F21K 9/278 Arrangement or mounting of circuit elements integrated in the light source
• CPC Class Codes: F21K 9/60 Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
• CPC Class Codes: F21V 3/02 characterised by the shape
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/73204 the bump connector being embedded into the layer connector
• CPC Class Codes: H01L 2924/00012 Relevant to the scope of the group, the symbol of which is combined with the symbol of this group
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/181 Encapsulation
• CPC Class Codes: H05B 45/00 Circuit arrangements for operating light-emitting diodes [LED]
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 47/19 via wireless transmission
• CPC Class Codes: H05B 47/195 the transmission using visible or infrared light
• CPC Class Codes: H05B 47/1965 using handheld communication devices

Abstract

Lighting control systems and a method of control the same are provided. For example, the lighting control system includes at least one lighting device transmitting and receiving a wireless communication signal and controlled by a received wireless communication signal, a lighting device authentication code including unique identification information assigned to the lighting device, and a user terminal having an image recognition unit, the user terminal configured to recognize the lighting device authentication code using the image recognition unit, extract the unique identification information from the lighting device authentication code recognized by the image recognition unit, pair the user terminal with the lighting device based on the extracted unique identification information, and control the at least one lighting device.

Claims

1. A lighting control system comprising:

at least one lighting device configured to transmit and receive a wireless communication signal, the at least one lighting device controlled by a received wireless communication signal;

a lighting device authentication code including unique identification information assigned to the at least one lighting device; and

a user terminal including an image recognition unit, the user terminal configured to recognize the lighting device authentication code using the image recognition unit, extract the unique identification information from the lighting device authentication code, pair the user terminal with the at least one lighting device signal based on the extracted unique identification information, and control the at least one lighting device.

2. The lighting control system of claim 1, wherein the unique identification information includes a media access control (MAC) address and a personal identification number (PIN) code of the at least one lighting device.

3. The lighting control system of claim 2, wherein the PIN code includes a low-order 1-byte value of a value obtained by adding digits of the MAC address.

4. The lighting control system of claim 1, wherein the lighting device authentication code is one of a quick response (QR) code and a bar code.

5. The lighting control system of claim 1, wherein the user terminal comprises:

a camera module configured to image the lighting device authentication code;

a memory unit configured to store the extracted unique identification information and an;

a wireless communication module configured to transmit and receive the wireless communication signal;

a terminal controller configured to pair a the user terminal with the lighting device, and the user terminal configured to control the lighting device using the application and the wireless communication signal; and

a display unit configured to output driving information regarding the application.

6. The lighting control system of claim 1, wherein

the lighting device emits white light generated by at least one of combining yellow, green, or red phosphors to a blue LED chip and by combining green or red LED chips,

the white light having two or more peak wavelengths,

the white light is provided in a segment linking (x,y) coordinates (0.4476, 0.4074), (0.3484, 0.3516), (0.3101, 0.3162), (0.3128, 0.3292), (0.3333, 0.3333) of a CIE 1931 chromaticity diagram or provided in a region surrounded by a spectrum of black body radiation, and

a color temperature of the white light corresponds to a range from 2,000K to 20,000K.

7. The lighting control system of claim 1, wherein the lighting device includes a plurality of LED chips having a plurality of nano-scale light emitting structures, and each of the LED chips includes,

a base layer on a substrate,

a masking layer on the base layer, the masking layer having a plurality of open regions defined therein,

a nano-scale light emitting structure including,

a first conductivity-type semiconductor nano-core protruding from the base layer through the open regions, and

an active layer and a second conductivity-type semiconductor layer on a surface of the first conductivity-type nano-core, and

first and second ohmic electrodes connected to the first conductivity-type nano-core and the second conductivity-type semiconductor layer, respectively.

8. The lighting control system of claim 1, wherein the lighting device includes an LED chip, and the LED chip includes,

a light emitting structure including first and second conductivity-type semiconductor layers, the first and second conductivity-type semiconductor layers respectively providing first and second main surfaces, the first and second main surfaces, the first and second main surfaces facing one another,

an active layer between the first and second conductive-type semiconductor layers,

a first electrode on the second main surface, a protrusion of the first electrode passing through the second conductive-type semiconductor layer and the active layer and contacting the first conductivity-type semiconductor layer, and

a second electrode below and connected to the second main surface of the light emitting structure.

9-10. -10. (canceled)

11. A method for controlling a lighting control system, the method comprising:

imaging, using a user terminal, a lighting device authentication code including unique identification information of at least one lighting device;

extracting the unique identification information of the at least one lighting device;

storing the extracted unique identification information in the user terminal;

pairing the user terminal and the at least one lighting device through a wireless communication signal by using the stored unique identification information; and

controlling the paired lighting device through the wireless communication signal.

12. The method of claim 11, wherein the unique identification information includes a media access control (MAC) address and a personal identification number (PIN) code of the lighting device.

13. The method of claim 12, wherein the PIN code includes a low-order 1-byte value of a value obtained by adding all digits of the MAC address.

14. The method of claim 11, wherein the extracting converts the obtained image into the unique identification information.

15. The method of claim 11, wherein the lighting device authentication code is one of a quick response (QR) code and a bar code.

16. The method of claim 11, wherein the storing stores unique identification information extracted from a plurality of lighting devices under a single name.

17. The method of claim 16, wherein the controlling controls the plurality of lighting devices grouped under the single name simultaneously.

18. A lighting control system comprising:

an image recognition unit configured to recognize a lighting device authentication code of at least one lighting device;

a wireless communication module configured to communicate wirelessly with the at least one lighting device; and

a terminal controller configured to extract the unique identification information from the lighting device authentication code, and pair the user terminal with the at least one lighting device via wireless communication based on the extracted unique identification information, and control the at least one lighting device.

19. The lighting control system of claim 18, further comprising:

a memory unit configured to store at least one of an application and input/output data, the terminal controller configured to at least one of extract, pair, and control using the application.

20. The lighting control system of claim 19, further comprising:

a display unit configured to display at least one of menus of the application for user selections and pairing information.

21. The lighting control system of claim 18, wherein the unique identification information includes a media access control (MAC) address and a personal identification number (PIN) code of the at least one lighting device.

22. The lighting control system of claim 21, wherein the PIN code includes a partial value of a MAC address and a value indicating a type of an individual lighting device.