Light engines for lighting devices

• US 9,068,719 B2
• Filed: 09/25/2009
• Issued: 06/30/2015
• Est. Priority Date: 09/25/2009
• Status: Active Grant

• Current Assignee: IDEAL Industries Lighting, LLC (Ideal Industries Incorporated)
• Original Assignee: CREE Incorporated (Wolfspeed, Inc.)
• Inventors: Van De Ven, Antony Paul, Swoboda, Charles M., Chan, Wai Kwan
• Primary Examiner(s): Sawhney, Hargobind S
• Application Number:
  US12/566,857
• Publication Number:
  US 20110075411A1
• Time in Patent Office: 2,104 Days
• Field of Search: 362/249.01, 362/240, 362/246, 362/247, 362/249.02, 362/294, 362/310, 362/362, 362/364, 362/365, 362/370, 362/371, 362/373, 362/396, 362/427, 362/432, 362/476, 362/545, 362/455, 362/648, 362/800
• US Class Current: 1/1
• CPC Class Codes: F21S 6/00 Lighting devices intended to be free-standing F21S9/00, F21S10/00, F21S13/12 take precedence lighting devices specially adapted to be transported from place to place, e.g. lighting devices carried on wheeled supports F21L; details of supports for lighting devices F21V21/00
• CPC Class Codes: F21S 8/02 of recess-mounted type, e.g. downlighters specially adapted for vehicle exteriors F21S41/00-F21S45/00
• CPC Class Codes: F21S 8/033 the surface being a wall or like vertical structure, e.g. building facade
• CPC Class Codes: F21S 8/04 intended only for mounting on a ceiling or the like overhead structures F21S8/02 takes precedence; details of ceiling bases F21V21/03
• CPC Class Codes: F21S 8/06 by suspension
• 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 21/30 Pivoted housings or frames
• CPC Class Codes: F21V 29/74 with fins or blades
• CPC Class Codes: F21V 29/773 the planes containing the fins or blades having the direction of the light emitting axis
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A light engine housing comprising a mixing chamber element, a driver chamber element and/or a connection element, one or more of which is removable. A light engine comprising (1) a light engine housing and (2) a mixing chamber module and/or a driver module removably attached to and/or positioned in the light engine housing. Also, a light engine comprising (1) a light engine housing and a mixing chamber module and/or a driver module. Also, a solid state light engine comprising a light engine housing comprising at least a first connection element.

Claims

1. A light engine housing comprising:

a mixing chamber element;

a driver chamber element;

a connection element; and

at least one connector, the at least one connector removably attaching the mixing chamber element and the driver chamber element to the connection element, the mixing chamber element movable relative to the driver chamber element upon removal of the at least one connector.

2. A light engine comprising a light engine housing as recited in claim 1 and a driver module which is removably attached to the light engine housing.

3. A light engine housing as recited in claim 1, wherein the mixing chamber element at least in part defines a mixing chamber in which light from at least one solid state light emitter mixes prior to exiting the light engine housing.

4. A light engine comprising a light engine housing as recited in claim 1 and at least a first lens, a mixing chamber defined at least in part by the mixing chamber element and the first lens.

5. A light engine comprising a light engine housing as recited in claim 1 and at least a first diffuser, a mixing chamber defined at least in part by the mixing chamber element and the first diffuser.

6. A lighting device, comprising a light engine housing as recited in claim 1 and at least one structure selected from among (1) fixture elements, (2) trim elements and (3) heat sinks.

7. A light engine comprising a light engine housing as recited in claim 1 and at least one solid state light emitter.

8. A light engine housing as recited in claim 1, wherein the driver chamber element defines a driver compartment that has a size and shape that accommodate at least one component selected from among (1) driver components and (2) power supply components.

9. A light engine comprising a light engine housing as recited in claim 1 and at least one component selected from among (1) driver components and (2) power supply components.

10. A light engine comprising:

a light engine housing; and

a mixing chamber module, the mixing chamber module removably attached to the light engine housing,

the light engine housing comprising at least a first connection element, the first connection element comprising at least first and second regions, the first region configured to receive a connector that has an axis that extends in a first direction the second region configured to receive a connector that has an axis that extends in a second direction, the second direction differing from the first direction, the first connection element further comprising a region inside a space defined by the light engine housing.

11. A light engine as recited in claim 10, wherein the light engine further comprises a driver module.

12. A light engine comprising:

a light engine housing;

a mixing chamber module;

a driver module; and

a connection element,

the connection element between the mixing chamber module and the driver module, the mixing chamber module removably attached to the connection element, the driver module removably attached to the connection element,

the connection element comprising at least first and second mounting surfaces the first mounting surface and the second mounting surface non-parallel with each other, the connection element further comprising a third region, an axis of the light engine housing extending through the third region.

13. A light engine housing comprising:

at least a first connection element;

a mixing chamber element; and

a driver chamber element,

the mixing chamber element and the driver chamber element attached to the first connection element,

the first connection element configured to connect to at least one structure selected from among (1) trim elements, (2) fixture elements and (3) heat sinks,

the first connection element comprising at least first and second mounting surfaces, the first mounting surface and the second mounting surface non-parallel.

14. A light engine housing as recited in claim 13, wherein the first connection element comprises at least first and second apertures, the first aperture having an axis that extends in a first direction, the second aperture having an axis that extends in a second direction, the first direction differing from the second direction.

15. A light engine housing as recited in claim 14, wherein the mixing chamber element at least in part defines a mixing chamber in which light from at least one solid state light emitter mixes prior to exiting the light engine housing.

16. A light engine housing as recited in claim 14, wherein at least one of the axis of the first aperture and the axis of the second aperture is substantially parallel to an axis of the light engine housing.

17. A light engine housing as recited in claim 14, wherein at least one of the axis of the first aperture and the axis of the second aperture is substantially perpendicular to an axis of the light engine housing.

18. A light engine housing as recited in claim 14, wherein the driver chamber element defines a driver compartment that has a size and shape that accommodate at least one component selected from among (1) driver components and (2) power supply components.

19. A light engine comprising a light engine housing as recited in claim 14 and at least one component selected from among (1) driver components and (2) power supply components in the driver chamber element.

20. A lighting device, comprising a light engine housing as recited in claim 13 and at least one electrical connector.

21. A light engine comprising a light engine housing as recited in claim 14 and at least a first lens, a mixing chamber defined at least in part by the mixing chamber element and the first lens.

22. A lighting device, comprising a light engine housing as recited in claim 13 and at least one structure selected from among (1) fixture elements, (2) trim elements and (3) heat sinks.

23. A lighting device as recited in claim 22, wherein the at least one structure selected from among (1) fixture elements, (2) trim elements and (3) heat sinks is attached to the first connection element.

24. A light engine comprising a light engine housing as recited in claim 13 and at least one component selected from among (1) driver components and (2) power supply components.

25. A light engine comprising a light engine housing as recited in claim 13 and at least a first diffuser, a mixing chamber defined at least in part by the mixing chamber element and the first diffuser.

26. A light engine comprising a light engine housing as recited in claim 13 and at least one solid state light emitter.

27. A light engine housing as recited in claim 13, wherein the mixing chamber element at least in part defines a mixing chamber in which light from at least one solid state light emitter mixes prior to exiting the light engine housing.

28. A light engine housing as recited in claim 13, wherein at least one of the first and second mounting surfaces defines a plane with respect to which an axis of the light engine housing is substantially parallel.

29. A light engine housing as recited in claim 13, wherein at least one of the first and second mounting surfaces defines a plane that is substantially perpendicular to an axis of the light engine housing.

30. A light engine housing as recited in claim 13, wherein at least a first aperture is formed in the first mounting surface and at least a second aperture is formed in the second mounting surface, the first aperture having an axis that extends in a first direction, the second aperture having an axis that extends in a second direction, the first direction differing from the second direction.

31. A light engine housing as recited in claim 13, wherein the driver chamber element defines a driver compartment that has a size and shape that accommodate at least one component selected from among (1) driver components and (2) power supply components.

32. A lighting device, comprising a light engine housing as recited in claim 13 and at least one structure selected from among (1) fixture elements, (2) trim elements and (3) heat sinks.

33. A lighting device as recited in claim 32, wherein the at least one structure selected from among (1) fixture elements, (2) trim elements and (3) heat sinks is attached to the first connection element.

34. A light engine comprising a light engine housing as recited in claim 13 and at least one component selected from among (1) driver components and (2) power supply components.

35. A light engine comprising a light engine housing as recited in claim 13 and at least one component selected from among (1) driver components and (2) power supply components in the driver chamber element.

36. A light engine comprising a light engine housing as recited in claim 13 and at least one solid state light emitter.

37. A lighting device comprising a light engine housing as recited in claim 13 and at least one other component, wherein the connection element provides both mechanical connection and thermal coupling between the light engine housing and the at least one other component.

38. A light engine housing as recited in claim 37, wherein the at least one other component is selected from among (1) fixture elements, (2) trim elements and (3) heat sinks.

39. A light engine comprising:

a light engine housing; and

at least one solid state light emitter,

the light engine housing comprising a mixing chamber element, a driver chamber element and at least a first connection means for connecting at least one component selected from among (1) trim elements, (2) fixture elements and (3) heat sinks to the light engine, the mixing chamber element and the driver chamber element both removably attached to the first connection means,

the first connection means comprising at least first and second mounting surfaces, the first mounting surface and the second mounting surface non-parallel with each other, the first connection means further comprising a third region, an axis of the light engine housing extending through the third region.

40. A light engine as recited in claim 39, wherein the mixing chamber element at least in part defines a mixing chamber in which light from the at least one solid state light emitter mixes prior to exiting the light engine housing.

41. A light engine housing, comprising:

a mixing chamber element;

a driver chamber element; and

at least a first connection element,

the light engine housing configured to removably attach any structure selected from among (1) heat sinks, (2) trim elements and (3) fixture elements,

the first connection element comprising at least first and second mounting surfaces, the first mounting surface and the second mounting surface non-parallel with each other, the first connection element further comprising a third region, an axis of the light engine housing extending through the third region.

42. A light engine housing as recited in claim 41, wherein the first connection element is configured to attach at least one structure selected from among (1) heat sinks and (2) fixture elements.

43. A light engine housing as recited in claim 41, wherein the mixing chamber element and the driver chamber element are both part of a single unitary structure.

44. A light engine housing as recited in claim 41, wherein the mixing chamber element and the driver chamber element are separate structures.

45. A lighting device, comprising a light engine housing as recited in claim 41 and at least one structure selected from among (1) fixture elements, (2) trim elements and (3) heat sinks attached to the light engine housing.

46. A light engine, comprising:

a light engine housing that comprises a removable mixing chamber element, a removable driver chamber element and at least a first connection element,

the light engine further comprising at least one of a mixing chamber module in the mixing chamber element and a driver module in the driver chamber element,

the first connection element comprising at least first and second mounting surfaces, the first mounting surface and the second mounting surface non-parallel with each other, the first connection element further comprising a third region, an axis of the light engine housing extending through the third region.

47. A light engine, comprising:

a light engine housing that comprises a removable mixing chamber element and, a removable driver chamber element and at least a first connection element, the driver chamber element configured to removably receive at least one driver component, the first connection element comprising at least first and second regions, the first region configured to receive a connector that has an axis that extends in a first direction, the second region configured to receive a connector that has an axis that extends in a second direction, the second direction differing from the first direction, the first connection element further comprising a region inside a space defined by the light engine housing.

48. A light engine housing, comprising:

at least a first connection element, the first connection element comprising at least first and second regions, the first region configured to receive a connector that has an axis that extends in a first direction, the second region configured to receive a connector that has an axis that extends in a second direction, the second direction differing from the first direction, the first connection element further comprising a region inside a space defined by the light engine housing.

49. A light engine housing as recited in claim 48, wherein the first region comprises an aperture.

50. A light engine housing as recited in claim 49, wherein the aperture has an axis that is substantially parallel to an axis of the light engine housing.

51. A light engine housing as recited in claim 49, wherein the aperture has an axis that is substantially perpendicular to an axis of the light engine housing.

52. A light engine housing, comprising:

at least a first connection element, the first connection element comprising at least first and second mounting surfaces, the first mounting surface and the second mounting surface non-parallel with each other, the first connection element further comprising a third region, an axis of the light engine housing extending through the third region.

53. A light engine housing as recited in claim 52, wherein the first mounting surface comprises an aperture.

54. A light engine housing as recited in claim 53, wherein the aperture has an axis that is substantially parallel to an axis of the light engine housing.

55. A light engine housing as recited in claim 53, wherein the aperture has an axis that is substantially perpendicular to an axis of the light engine housing.