LED projection light has multiple functions

• US 10,591,810 B2
• Filed: 08/24/2017
• Issued: 03/17/2020
• Est. Priority Date: 11/12/2008
• Status: Active Grant

• Current Assignee: Aaron Chien, Hsin-Yi Wang, Te-Ju Chien
• Original Assignee: Tseng-Lu Chien
• Inventors: Chien, Tseng-Lu
• Primary Examiner(s): Chowdhury, Sultan
• Application Number:
  US15/685,701
• Publication Number:
  US 20180067384A1
• Time in Patent Office: 936 Days
• CPC Class Codes: F21S 10/002 using liquids, e.g. water
• CPC Class Codes: F21S 8/035 by means of plugging into a wall outlet, e.g. night light
• CPC Class Codes: F21S 8/038 intended to be mounted on a light track suspended from a light track F21S8/066; details of supporting elements displaceable along a guiding element F21V21/34
• CPC Class Codes: F21S 9/022 Emergency lighting devices
• CPC Class Codes: F21V 14/02 by movement of light sources in vehicle head lamps F21S41/657
• CPC Class Codes: F21V 21/08 Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
• CPC Class Codes: F21V 21/14 Adjustable mountings
• CPC Class Codes: F21V 21/22 telescopic
• CPC Class Codes: F21V 21/29 employing universal joints
• CPC Class Codes: F21V 21/30 Pivoted housings or frames
• CPC Class Codes: F21V 23/04 the elements being switches safety devices F21V25/00
• CPC Class Codes: F21V 23/0457 the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
• CPC Class Codes: F21V 23/0464 the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
• CPC Class Codes: F21V 23/0471 the sensor detecting the proximity, the presence or the movement of an object or a person
• CPC Class Codes: F21V 23/0492 the sensor detecting a change in orientation, a movement or an acceleration of the lighting device, e.g. a tilt switch
• CPC Class Codes: F21V 29/00 Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems lighting fixtures combined with outlets for air-treatment systems F24F13/078
• CPC Class Codes: F21V 9/08 for producing coloured light, e.g. monochromatic; for reducing intensity of light with provision for controlling the colour F21V9/40
• CPC Class Codes: F21W 2121/00 Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
• CPC Class Codes: F21Y 2101/00 Point-like light sources
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: F21Y 2115/30 : Semiconductor lasers
• CPC Class Codes: G03B 21/142 : Adjusting of projection optics
• CPC Class Codes: G03B 21/145 : Housing details, e.g. position adjustments thereof
• CPC Class Codes: G03B 21/2033 : LED or laser light sources
• CPC Class Codes: G03B 21/53 : Means for automatic focusing, e.g. to compensate thermal effects
• CPC Class Codes: G03B 29/00 : Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects combinations with flash apparatus G03B15/03
• CPC Class Codes: H04N 9/315 : Modulator illumination systems general applications of lighting devices F21V; general optical systems G02B; lamp houses for projectors not peculiar to the presence of an electronic spatial light modulator G03B21/20
• CPC Class Codes: H04N 9/3155 : for controlling the light source light source control per se H05B35/00 – H05B47/00; control of an illumination source for displays in general G09G3/3406
• CPC Class Codes: H04N 9/317 : Convergence or focusing systems electronic adjustment of convergence H04N9/3185; convergence or focusing arrangements for cathode ray tubes H04N9/28; means for automatic focusing of projectors not peculiar to the presence of an electronic spatial light modulator G03B21/53
• CPC Class Codes: H04N 9/3194 : including sensor feedback
• CPC Class Codes: Y10S 362/80 : Light emitting diode

Abstract

The multiple function LED project light is a hand-held and powered by DC power, and the project light has front lens has project magnify lens fit-into or install-on or built-in on center position. The project lens has below position outer-tube set assembled together so outer-tube can envelope or surrounded the lower position separated inner-tube which has image-forming unit within. While the project head move away from the project light neck by screw-thread or other extend construction to make distance between the magnify lens and image forming-unit changed to get focus adjustment functions. The said Project light may has self-prong, or project light fit within the hold-base which has prong-set both get AC current through the AC-to-DC circuit to get desired DC power for LED or SMD-LEDs or Dip-LEDs or COB-LED or other DC operated electric components to use. The said project light at least have project image function and flashlight functions or-and other more different functions light select from market available types.

Claims

1. A multiple function LED projection light, comprising:

at least one projection assembly installed on the multiple function LED projection light to project at least one of an image or pattern on an indoor or outdoor surface that is spaced from the LED projection light by multiple feet; and

a plurality of LEDs, wherein;

the multiple function LED projection light has a movable magnifying projection lens for focusing the projected image or pattern,

the multiple function LED projection light is a DC current operated product and has a built-in energy storage unit for providing power when no AC power is available, the built-in energy storage unit including at least one of (a) a rechargeable battery charged by AC current from prongs inserted into an AC outlet, a holder having prongs inserted into an AC outlet or that is supplied with DC power from an external transformer, or an internal AC to DC circuit that supplies DC power to the rechargeable battery; and

(b) a DC power source,

the multiple function LED projection light includes circuitry for causing the at least one LED to turn on and off and provide at least one of a predetermined light performance, brightness, color, and color changing function,

the projection assembly is installed at a center of a front area of the multiple function LED projection light by injection molding, sonic sealing, adhesives, or press fitting, said projection assembly including the movable magnifying projection lens and an additional front lens,

at least one of the plurality of LEDs is positioned in a space surrounding the center of the front area of the LED projection light to serve as a flashlight or power fail light, and

at least one other of the plurality of LEDs is installed in a front, side, or bottom of the multiple function LED projection light to serve as a projection light source.

2. The multiple function LED projection light as claimed in claim 1, wherein the multiple functions include a projection function and at least one additional function selected from (1) a power fail light, (2) a night light, (3) a flashlight, (4) a glow light, (5) an LED light with multiple non-illumination functions, (6) a motion or photo sensor activated light, (7) a bug repelling light, (8) an air-freshener light, (9) a time piece light, (10) a light having built-in WIFI or software, (11) a light having built-in USB connector, (12) a light having a built-in wireless communications, (13) a light having built-in outlet or USB-port, (14) a light having built-in surge, over-heating, or over-charge protection circuit or circuitry, and (15) a non-projecting illumination function.

3. The multiple function LED projection light as claimed in claim 2, wherein the LED projection light has more than one said additional function selected from (1) a power fail light, (2) a night light, (3) a flashlight, (4) a glow light, (5) an LED light with multiple non-illumination functions, (6) a motion or photo sensor activated light, (7) a bug repelling light, (8) an air-freshener light, (9) a time piece light, (10) a light having built-in WiFi or software, (11) a light having built-in USB connector, (12) a light having a built-in wireless communications, (13) a light having built-in outlet or USB-port, (14) a light having built-in surge, over-heating, or over-charge protection circuit or circuitry, and (15) an LED light without a projection function.

4. The multiple function LED projection light as claimed in claim 1, wherein said holder includes a holder base, and wherein the multiple function LED projection light includes a main body having two conductive pieces that contact corresponding conductive areas on the holder base to conduct electricity to charge said rechargeable battery.

5. The multiple function LED projection light as claimed in claim 4, further comprising magnetic-units in the holder base to hold the main body while the rechargeable battery is being charged.

6. The multiple function LED projection light as claimed in claim 1, wherein the at least one projection assembly and built-in magnifying lens is extendable and retractable to change a distance between the magnifying lens and an image forming film, slide, display, screen, or image-forming unit and thereby adjust the focus.

7. The multiple function LED projection light as claimed in claim 1, wherein the at least one projection assembly includes the at least one magnifying lens on a top or front side, at least one said LED on a bottom or back side, at least one slide, film or display unit between the at least one said LED and the magnifying lens, and (d) at least one of a tube, tray-assembly, or elongate housing to prevent leakage of light traveling between the at least one said LED and the magnifying lens.

8. The multiple function LED projection light as claimed in claim 7, wherein the at least one of a tube, tray-assembly, or elongate housing includes two relatively retractable and extendable pieces to move the magnifying lens relative to the at least one slide, film or display unit and thereby change or adjust the focus of the projected image or pattern.

9. The multiple function LED projection light as claimed in claim 1, wherein said holder having prongs inserted into an AC outlet or said holder supplied with DC power from an external transformer includes a holder base, and wherein the multiple function LED projection light includes a main body having two conductive pieces that contact corresponding conductive areas on the holder base to conduct electricity for multiple functions.

10. The multiple function LED projection light as claimed in claim 9, wherein the two conductive pieces include built-in magnetic units or an add-on universal magnetic sealed-unit to both hold a main body of the multiple function LED projection light in said holder and conduct electricity between the holder and the main body.

11. The multiple function LED projection light as claimed in claim 1, wherein the multiple function LED projection light has built-in foldable or non-foldable prongs to plug into an outlet.

12. The multiple function LED projection light as claimed in claim 1, wherein the holder has a holder base having at least one power outlet or charging port through which power is supplied to the rechargeable battery.

13. The multiple function LED projection light as claimed in claim 1, wherein the holder has a holder base with at least one female receptacle for receiving a plug-in external transformer, generator, solar module, or chemical power generating module to supply power through the holder to the rechargeable battery.

14. The multiple function LED projection light as claimed in claim 1, wherein the holder has a holder base with at least one female receptacle for receiving a plug-in external transformer, generator, solar module, or chemical power generating module to supply power through the holder to the rechargeable battery for powering the multiple function LED projection light when prongs of the multiple function LED projection light are not supplied with power from an AC outlet.

15. The multiple function LED projection light as claimed in claim 1, wherein the multiple function LED projection light is supplied with power through the holder to the rechargeable battery for powering the LED projection light when prongs of the LED projection light are not supplied with power from an AC outlet.

16. The multiple function LED projection light as claimed in claim 1, wherein the multiple function LED projection light has a built-in holder base supplied with power from an external transformer, AC-to-DC circuit, solar module, chemical power, or generator.

17. The multiple function LED projection light as claimed in claim 1, wherein the magnifying lens and a tube assembly are removable and replaceable by a camera assembly having a camera lens with camera accessories to take photos or digital video.

18. A multiple function hand-carried DC LED projection light, comprising:

at least one projection assembly that fits into the hand-carried DC LED projection light, the projection assembly including an inner tube and a refractive or magnifying lens fitted or injected molded into a front center of the projection assembly;

an outer tube assembled together with a front lens, wherein the inner tube positioned within the outer tube to transmit light from a projection light source without light leakage; and

LEDs surrounding the projection assembly to emit light having a desired brightness through the front lens for illumination, wherein;

the at least one projection assembly is arranged to project an image or pattern and the LEDs surrounding the projection assembly are arranged to emit light from areas that surround the projection assembly to provide a flashlight function that is in addition to the image or pattern projection function of the projection assembly, and

the LED projection light has at least one added function selected from a power fail function, a motion/photo/radar sensor function, a charging function to charge other products by a built-in USB charging-port, a function of receiving wireless RF, IR, or WiFi or Bluetooth signals, and a control function of providing predetermined light effects including setting, mixing, selection, and adjustment of LED color, brightness, and turn on.

19. The multiple function hand-carried DC LED projection light as claimed in claim 18, the said project light has built-in rechargeable battery charged by AC current from prongs inserted into an AC outlet, a holder having prongs inserted into an AC outlet or that is supplied with DC power from an external transformer, or an internal AC to DC circuit that supplies DC power to the rechargeable battery.

20. The multiple function hand-carried DC LED projection light as claimed in claim 18, wherein the LED projection light further has functions of a night light, glow light, light with a built-in camera, light with USB ports, light with power outlets, and light having a built-in adaptor, receiving port or socket to connect with an outside transformer, solar power, wind power or chemical power source to store power in an inner rechargeable battery.

21. The multiple function hand-carried DC LED projection light as claimed in claim 18, wherein the flashlight and projection light functions are controlled by circuitry and components selected from a:

(1) sensor,

(2) switch,

(3) IC,

(4) wired or wireless system,

(5) IR or RF or Blue-tooth wireless transceiver,

(6) WiFi communication components, and

(7) a processor and APP software.

22. The multiple function hand-carried DC LED projection light as claimed in claim 18, further comprising a separate holder base with prongs to plug into an outlet and an AC-to-DC circuit or AC-to-DC and DC-to-DC circuits for providing DC power to the LED projection light.

23. The multiple function hand-carried DC LED projection light as claimed in claim 22, wherein a tilt angle of the holder base is adjustable.

24. The multiple function DC LED projection light as claimed in claim 22, wherein said holder base has conductive pieces that contact corresponding conductive areas on the LED projection light to conduct electricity for multiple functions.

25. The multiple function LED projection light as claimed in claim 24, wherein the conductive pieces include built-in magnetic units or an add-on universal magnetic sealed-unit to both hold a main body of the LED projection light in said holder base and conduct electricity between the holder base and the LED projection light.