Lighting devices that comprise one or more solid state light emitters

• US 10,222,004 B2
• Filed: 10/19/2017
• Issued: 03/05/2019
• Est. Priority Date: 02/12/2010
• Status: Active Grant

• Current Assignee: Creeled Incorporated
• Original Assignee: CREE Incorporated (Wolfspeed, Inc.)
• Inventors: Van De Ven, Antony Paul, Thieken, Paul
• Primary Examiner(s): Williams, Joseph L
• Application Number:
  US15/788,376
• Publication Number:
  US 20180045381A1
• Time in Patent Office: 502 Days
• CPC Class Codes: F21K 9/20 Light sources comprising attachment means
• 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 9/238 Arrangement or mounting of circuit elements integrated in the light source
• CPC Class Codes: F21K 9/27 Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
• CPC Class Codes: F21K 9/278 Arrangement or mounting of circuit elements integrated in the light source
• CPC Class Codes: F21V 19/003 Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
• CPC Class Codes: F21V 19/0055 by screwing
• CPC Class Codes: F21V 23/002 Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
• CPC Class Codes: F21V 23/005 the substrate is supporting also the light source
• CPC Class Codes: F21V 23/006 the substrate being distinct from the light source holder
• CPC Class Codes: F21V 23/06 the elements being coupling devices , e.g. connectors
• CPC Class Codes: F21V 29/505 of reflectors
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21V 29/74 with fins or blades
• CPC Class Codes: F21V 29/745 the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend
• CPC Class Codes: F21V 29/75 with fins or blades having different shapes, thicknesses or spacing
• CPC Class Codes: F21V 29/763 the planes containing the fins or blades having the direction of the light emitting axis
• CPC Class Codes: F21V 29/767 the planes containing the fins or blades having directions perpendicular to the light emitting axis
• CPC Class Codes: F21V 29/773 the planes containing the fins or blades having the direction of the light emitting axis
• 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: F21V 3/02 : characterised by the shape
• CPC Class Codes: F21Y 2107/00 : Light sources with three-dimensionally disposed light-generating elements
• CPC Class Codes: F21Y 2107/30 : on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
• CPC Class Codes: F21Y 2115/10 : Light-emitting diodes [LED]

Abstract

A light engine module including at least a first solid state light emitter on a first circuit board, and a second circuit board non-parallel to the first circuit board. Also, a light engine module including at least a first solid state light emitter on a non-circular first surface of a first solid state light emitter support member. Also, a light engine module including a first solid state light emitter on a first surface of a first solid state light emitter support member, and at least a first electronic component on a second surface of the first solid state light emitter support member.

Claims

1. A light engine module, comprising:

at least first and second circuit boards; and

at least a first solid state light emitter,

the first solid state light emitter on the first circuit board,

the second circuit board non-parallel to the first circuit board.

2. A light engine module as recited in claim 1, wherein the second circuit board is substantially perpendicular to the first circuit board.

3. A light engine module as recited in claim 1, wherein the light engine module further comprises compensation circuitry, the compensation circuitry on the second circuit board.

4. A light engine module as recited in claim 3, wherein the compensation circuitry adjusts current and/or voltage of electricity supplied to at least the first solid state light emitter based at least in part on temperature sensed by at least one temperature sensor.

5. A light engine module as recited in claim 3, wherein the compensation circuitry adjusts current and/or voltage of electricity supplied to at least the first solid state light emitter based at least in part light emission sensed by at least one light sensor.

6. A light engine module as recited in claim 1, wherein the light engine module is configured to connect with any of a plurality of different housing elements.

7. A light engine module, comprising:

at least a first solid state light emitter support member; and

at least a first solid state light emitter,

the first solid state light emitter on a first surface of the first solid state light emitter support member,

the first surface of the first solid state light emitter support member non-circular.

8. A light engine module as recited in claim 7, wherein the first surface of the first solid state light emitter support member comprises at least a first arc-shaped region, the arc-shaped region defining a portion of a substantially circular shape.

9. A light engine module as recited in claim 7, wherein the first surface of the first solid state light emitter support member comprises a substantially circular perimeter with at least a first notch extending inward from said perimeter.

10. A light engine module as recited in claim 7, wherein a perimeter of the first surface of the first solid state light emitter support member comprises at least a first substantially flat region.

11. A light engine module as recited in claim 7, wherein a perimeter of the first surface of the first solid state light emitter support member comprises two substantially flat regions that are substantially parallel to each other and two arc-shaped regions that each define a portion of a substantially circular shape.

12. A light engine module as recited in claim 7, wherein the first light engine module is configured to connect with any of a plurality of different housing elements.

13. A light engine module as recited in claim 7, wherein the first solid state light emitter is on a first circuit board and the first circuit board is on the first solid state light emitter support member.

14. A light engine module as recited in claim 7, wherein the first solid state light emitter support member comprises at least one structure that provides and/or enhances heat dissipation.

15. A light engine module as recited in claim 14, wherein the at least one structure that provides and/or enhances heat dissipation comprises at least one heat dissipation fin and/or at least one heat dissipation pin.

16. A light engine element comprising at least a first light engine module as recited in claim 7 and an interface element, the first light engine module connected to the interface element.

17. A light engine element comprising:

a first light engine module as recited in claim 7,

a second light engine module, and

an interface element,

the first light engine module connected to a first region of the interface element, the second light engine module connected to a second region of the interface element,

the second light engine module, comprising;

at least a second solid state light emitter support member; and

at least a second solid state light emitter,

the second solid state light emitter on a first surface of the second solid state light emitter support member,

the first surface of the second solid state light emitter support member non-circular.

18. A light engine module as recited in claim 17, wherein:

the first light engine module comprises the first solid state light emitter support member, and

the first solid state light emitter support member is substantially the same shape and size as the second solid state light emitter support member.

19. A light engine module, comprising:

at least a first solid state light emitter support member; and

at least a first solid state light emitter,

the first solid state light emitter on a first surface of the first solid state light emitter support member,

the first solid state light emitter support member further comprising at least a second surface,

at least a first electronic component on the second surface of the first solid state light emitter support member.

20. A light engine module as recited in claim 19, wherein the first surface of the first solid state light emitter support member is on a side of the first solid state light emitter support member that is opposite to the second surface of the first solid state light emitter support member.

21. A light engine module as recited in claim 19, wherein the first electronic component comprises compensation circuitry that adjusts current and/or voltage of electricity supplied to at least one solid state light emitter based at least in part on temperature sensed by at least one temperature sensor.

22. A light engine module as recited in claim 19, wherein the first electronic component comprises compensation circuitry that adjusts current and/or voltage of electricity supplied to at least one solid state light emitter based at least in part light emission sensed by at least one light sensor.

23. A light engine module as recited in claim 19, wherein the light engine module is configured to connect with any of a plurality of different housing elements.

24. A light engine module as recited in claim 19, wherein the second surface of the first solid state light emitter support member is non-parallel to the first surface of the first solid state light emitter support member.

25. A light engine module as recited in claim 19, wherein the second surface of the first solid state light emitter support member is substantially perpendicular to the first surface of the first solid state light emitter support member.

26. A light engine module as recited in claim 19, wherein the first solid state light emitter is on a first circuit board and the first circuit board is on the first solid state light emitter support member.

27. A light engine module as recited in claim 19, wherein the first solid state light emitter support member comprises at least one structure that provides and/or enhances heat dissipation.

28. A light engine module as recited in claim 27, wherein the at least one structure that provides and/or enhances heat dissipation comprises at least one heat dissipation fin and/or at least one heat dissipation pin.