Manually controllable LED correlated color temperature light fixture

• US 10,492,262 B2
• Filed: 04/16/2019
• Issued: 11/26/2019
• Est. Priority Date: 01/13/2017
• Status: Active Grant

• Current Assignee: ETI Solid State Lighting Incorporated (Elec-Tech International Company Limited)
• Original Assignee: ETI Solid State Lighting Incorporated (Elec-Tech International Company Limited)
• Inventors: Van Winkle, Gary
• Primary Examiner(s): Vu, Jimmy T
• Application Number:
  US16/384,999
• Publication Number:
  US 20190254139A1
• Time in Patent Office: 224 Days
• CPC Class Codes: F21S 10/02 changing colors F21S10/002 - F21S10/007, F21S10/04 take precedence
• CPC Class Codes: F21S 8/026 intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
• CPC Class Codes: F21V 15/01 Housings, e.g. material or assembling of housing parts F21V15/02 takes precedence housings forming signs or letters G09F13/04
• CPC Class Codes: F21V 19/002 the fastening means engaging the encapsulation or the packaging of the semiconductor device
• CPC Class Codes: F21V 23/04 the elements being switches safety devices F21V25/00
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 47/10 Controlling the light source
• CPC Class Codes: Y02B 20/30 Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

An LED light fixture with at least two sets of LED light sources, at least three subcircuits for a respective one of the at least two sets of LED light sources and for a combination of at least two of the sets of LED light sources—wherein the correlated color temperature differs for each of the at least two sets of LED light sources and the combination of at least two of the sets of LED light sources.

Claims

1. An LED light fixture comprising:

electrical circuitry for receiving electricity from a source of electricity, said electrical circuitry including;

an electrical transmitter for transmitting electricity from said source of electricity;

at least two groups of LED light sources, each of said at least two groups of LED light sources emitting illumination in response to receiving electricity of certain electrical characteristics, said illumination of said respective at least two groups of LED light sources having a correlated color temperature different from the correlated color temperature of each of the other of said at least two groups of LED light sources;

at least three subcircuits, each of said at least three subcircuits including a different one of said at least two groups of LED light sources and at least one selected combination of said at least two groups of LEDs; and

actuable electrical switching components for connecting to said electrical transmitter a selected one of said at least three subcircuits, said electrical switching components being actuated for connecting a selected one of said at least three subcircuits to connect a selected one of the group consisting of one of said at least two groups of LED light sources and at least one selected combination of said at least two groups of LED light sources to said electrical transmitter; and

a manually controllable correlated color temperature switch assembly for actuating said electrical switching components to connect said selected one of the groups consisting of said at least three subcircuits to connect a selected one of said at least two groups of LED light sources and a selected combination of said at least two groups of LED light sources to said electrical transmitter to receive transmitted electricity of said certain electrical characteristics to effect the LED light source emission of illumination of the correlated color temperature of a finally selected one of said at least two groups of LED light sources and the selected combination of said at least two LED light sources.

2. An LED light fixture according to claim 1 and further comprising:

a concealment for concealing said manually controllable correlated color temperature switch assembly to render said manually controllable correlated color temperature switching assembly to be inaccessed for operation, and for selectively rendering said manually controllable correlated color temperature switch assembly to be accessed for manual operation.

3. An LED light fixture system according to claim 2 and further comprising a container for holding and rendering access said manually controllable correlated color temperature switch assembly;

wherein said concealment comprises an LED light fixture receptacle for releasably holding said LED light fixture to render said manually controllable correlated color temperature switching assembly to be inaccessed for operation, and for enabling the release of said LED light fixture from said receptacle to render said manually controllable correlated color temperature switch assembly to be accessed for operation.

4. An LED light fixture according to claim 3 wherein said LED light fixture is a downlight, and said LED light fixture receptacle is a can.

5. An LED light fixture according to claim 2 wherein said LED light fixture further comprises:

a cover support; and

a diffuser removably attaches to said cover support;

wherein said manually controllable correlated color switch assembly is operatively attached to said cover support; and

wherein said concealment comprises;

said cover support;

said diffuser; and

attachment structure for cooperating with said cover support and said diffuser for selectively attaching said diffuser to said cover support to conceal said manually controllable correlated color switch assembly, and to selectively detach said diffuser from said cover support to render said manually controllable correlated color temperature switching assembly to be accessed for operation.

6. An LED light fixture according to claim 5 wherein said concealment comprises:

a bracketing assembly for both removably bracketing said diffuser and said cover support together to conceal said manually controllable correlated color temperature switch assembly, and for unbracketing said diffuser from said cover support to render said manually controllable correlated color switch assembly accessible for operation.

7. An LED light fixture according to claim 1 wherein LED light fixture includes a forward portion and a rearward portion, and said rearward portion is proximal a ceiling when said LED light fixture is mounted for operation to the ceiling and said LED light fixture further comprises a rearward side;

and wherein said concealment comprises;

a manually controllable correlated color switch assembly support structure for supporting said manually controllable correlated color switch assembly, said support structure being located at said rearward side of said LED light fixture, said manually controllable correlated color switch assembly to be accessed for operation when said LED light fixture is mounted for operation to the ceiling, and said manually controllable correlated color switch assembly to be accessed for operation in response to the demounting of said LED light fixture from the ceiling.

8. An LED light fixture according to claim 1 wherein said manually controllable correlated color switch assembly comprises:

a slide switch including;

an indicator for indicating particular correlated color temperatures to assist in the determination of a correlated color temperature; and

a manually operated slide is slided along said indicator to select a particular correlated color temperature operatively connected to said electrical switching components and to operate said electrical switching components to effect the selection of the selected particular correlated color temperature.

9. An LED light fixture according to claim 1 and further comprising:

at least one printed circuit board;

wherein said respective at least two groups of LED light sources are each selectively attached to said at least one printed circuit board,

wherein said manually controllable correlated color temperature switch assembly is manually switched to a selected one of the group consisting of one of said at least two groups of LED light sources and a combination of said at least two groups of LED light sources, each of said at least two groups of LEDs and said combination of said at least two groups of LED light sources having a predetermined correlated color temperature different from the correlated color temperature of the other of said at least two groups of LED light sources and combination of said at least two groups of LED light sources, for emitting illumination of the predetermined correlated color temperature of said selected group of LED light sources and said selected combination of said at least two groups of said LED light sources.

10. An LED light fixture according to claim 1 wherein said manually controllable correlated color temperature switch assembly includes a digitally operated switch actuating member, and wherein said LED light fixture further comprises:

a base for holding said digitally operated switch actuating member, said base being moved to being proximate a ceiling when said LED light fixture is operational to provide illumination, and said base including a digitally operated switch actuating member receiving slot, wherein said digitally operated switch actuating member extends through said digitally operated switch actuating member receiving slot; and

said base including a configuration to render said digitally operated switch actuating member being manually inaccessed when LED light fixture is not operational to provide illumination.

11. An LED light fixture according to claim 10 wherein said base is located at one end of said LED light fixture, and wherein said LED light fixture further includes:

a hollow diffuser is releasably mounted on said base to cover and render said digitally operated switch actuating member being manually inaccessed;

said hollow diffuser being detached from said base to provide manual access to said digitally operated switch actuating member to enable a person to manually operate said digitally operated switch actuating member.

12. An LED light fixture comprising:

a housing assembly;

at least one printed circuit board operatively attached to said housing assembly;

at least two sets of LED light sources mounted on said at least one printed circuit board, each of said sets of at least two LED light sources having a correlated color temperature different from the correlated color temperature of every other of said sets of LED light sources;

LED light source selecting subcircuits actuate for selecting one of the group consisting of a predetermined one of said at least two sets of LED light sources and a combination of said group consisting of at least two sets of LED light sources from said at least two sets of LED light sources;

an electric circuit operates to supply electricity to a selected one of said at least two sets of LED light sources and said combination of said group consisting of at least two sets of LED light sources from said at least two sets of LED light sources;

a manually controllable correlated color temperature switch assembly for selectively connecting and actuating said electric circuit to a selected one of said at least two sets of LED light sources and said combination of said group consisting of at least two sets of LED light sources, to effect the final selective illumination of one of said at least two sets of LED light sources and said combination of said group consisting of at least two sets of LED light sources, to emit illumination of the color correlated temperature of said selected one of said at least two sets of LED light sources and said combination of said group consisting of at least two LED light sources, said manually controllable correlated color temperature switch assembly comprising a digitally operated switch actuating member to effect the final selective illumination.

13. An LED light fixture according to claim 12 wherein said digitally operated switch actuating member is not readily observed and not accessed for operation when said digitally operated switch actuating member is not ready for use, and said LED light fixture comprises structure for selectively rendering said digitally operated switch actuating member readily observed and accessed for use.

14. An LED light fixture according to claim 12 wherein said LED light source selecting subcircuits comprise at least three subcircuits, at least one of said at least three subcircuits operable to actuate at least two of said sets of LED light sources, said at least three subcircuits being mounted on said at least one printed circuit board;

and

said digitally operated switch actuating member is selectively operated to connect one or a combination of said at least three subcircuits to actuate the selected one of the group consisting of one set of LED light sources and a combination of said at least two sets of LED light sources, wherein said digitally operated switch actuating member makes said selective connection of one of the sets of LED light sources and said combination of said group consisting of at least two sets of LED light sources.

15. An LED light fixture according to claim 14 wherein said at least three subcircuits and manually controllable correlated color temperature switch assembly are mounted on at least one printed circuit board.

16. An LED light fixture according to claim 15 wherein said LED light fixture is a downlight, and wherein:

said housing assembly comprises;

a light module including;

a light module housing;

wherein said at least one printed circuit board is mounted on said light module housing.

17. An LED light fixture according to claim 16 wherein said light module further includes:

a truncated heat sink comprising a relatively narrow end portion and a relatively wide opposite end portion for transmitting illumination from said LED light fixture;

wherein said at least one printed circuit board is proximal said narrow end portion for emitting illumination from said LED light sources through said relatively wide end portion of said truncated heat sink.

18. An LED light fixture according to claim 17 and further comprising a box for containing said manually controllable correlated color temperature switch assembly, wherein said box has an opening through which opening said manually controllable correlated color temperature switch assembly extends, and wherein said light module further comprises an indicator for indicating the specific correlated color temperatures to which said digitally operated switch actuating member is set to enable the selection of one of the group consisting of said LED light source in said selected subcircuit and the selected combination of said LED light sources.

19. An LED light fixture according to claim 12 wherein said manually controllable correlated color temperature switch is a slide switch.

20. An LED light fixture according to claim 12 wherein said LED light fixture is an LED ceiling light fixture, and

wherein said housing assembly comprises a base for being attached to a ceiling for connection to an electric power source, said base including an outside edge portion;

wherein said at least one printed circuit board and said manually controllable correlated color temperature switch are operatively attached to said base;

wherein said LED ceiling light fixture comprises a diffuser, said diffuser including an outside diffuser edge portion that is operatively attached to and selectively detached from said outside edge portion of said base;

wherein said ceiling light fixture further comprises;

a manually controllable correlated color temperature switch holder for containing correlated color temperature switching components, said correlated color switching components comprising;

a portion of said manually operated correlated color temperature switch; and

a blocking structure for selectively blocking manual access to said digitally operable actuating member;

wherein said manually controllable correlated color temperature switch holder provides access to a user'"'"'s hand to operate said digitally operable actuating member when said blocking structure does not block said manually operable actuating member to prevent the user'"'"'s hand from operating said actuating members.

21. An LED light fixture according to claim 12 wherein said at least two sets of LED light sources are mounted on said at least one printed circuit board in a predetermined arrangement to provide a predetermined area of illumination for each of said at least two sets of LED light sources.

22. An LED light fixture according to claim 21 wherein said predetermined arrangement provides a uniform area of illumination for each of said at least two sets of LED light sources.

23. An LED light fixture comprising:

a main electric circuit comprising at least three electric subcircuits;

a set of LED light sources for emitting illumination, said set of LED light sources, comprised of at least three actuable portions of said set of LED light sources, a selected one of said at least three actuable portions of said set of LED light sources being respectively connected in at least one of said three electric subcircuits, at least one of said at least three respective electric subcircuits being a combination of at least two of said at least three portions of said set of LED light sources, each of said at least three portions of said set of said LED light sources in said at least three electric subcircuits generating illumination having a different correlated color temperature from each of other said at least three portions of said set of LED light sources; and

a switching circuit operates for connecting a selected one of said at least three portions of said set of LED light sources in one of said at least three respective electric subcircuits to generate illumination of one correlated color temperature in response to electric power being sent to said selected one of said at least three respective electric subcircuits; and

a correlated color temperature switch assembly being actuated to connect said selected one of said at least three portions of said LED light sources to a power source to actuate said selected one of said at least three portions of said set of LED light sources.

24. An LED light fixture according to claim 23 wherein said correlated color temperature assembly includes a digitally operated switch actuating member for actuating said correlated color temperature switch assembly;

and

a switch holding structure for holding for operation said digitally operated switch actuating member.

25. An LED light fixture according to claim 24, and further including:

a concealment for concealing said switch holding structure to render said digitally operated switch actuating member to be inaccessed for operation, and for selectively rendering said digitally operated switch actuating member to be accessed for digital operation.

26. An LED light fixture according to claim 25 and further comprising a container for holding and rendering accessible said digitally operated switch actuating member;

wherein said concealment comprises an LED light fixture receptacle for releasably holding said digitally operated switch actuating member to be inaccessed for operation, and for enabling the release of said digitally operated switch actuating member to be accessed for digital operation.

27. An LED light fixture according to claim 23 wherein said LED light fixture is selected from the group consisting of a downlight, a ceiling light fixture and a flush-mounted LED light fixture.

28. An LED light fixture according to claim 24 wherein said LED light fixture further comprises:

a cover support; and

a diffuser removably attaches to said cover support;

wherein said digitally operated switch actuating member is operatively attached to said cover support; and

wherein said concealment comprises;

said cover support;

said diffuser; and

attachment structure for cooperating with said cover support and said diffuser for selectively attaching said diffuser to said cover support to conceal said digitally operated switch actuating member, and to selectively detach said diffuser from said cover support to render said digitally operated switch actuating member to be accessed for operation.