Gimbaled LED array module

• US 8,641,241 B2
• Filed: 04/13/2011
• Issued: 02/04/2014
• Est. Priority Date: 12/14/2010
• Status: Active Grant

• Current Assignee: Signify Holding B.V. (Signify N.V.)
• Original Assignee: Bridgelux Incorporated
• Inventors: Farmer, Todd
• Primary Examiner(s): Ward, John A
• Application Number:
  US13/085,917
• Publication Number:
  US 20120147604A1
• Time in Patent Office: 1,028 Days
• Field of Search: 362/147, 362/362, 362/368, 362/372, 362/404, 362/426
• US Class Current: 362/368
• CPC Class Codes: F21S 2/00 Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
• 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 19/02 with provision for adjustment, e.g. for focusing
• CPC Class Codes: F21V 21/15 specially adapted for power operation, e.g. by remote control
• CPC Class Codes: F21V 21/30 Pivoted housings or frames
• CPC Class Codes: F21V 23/0435 activated by remote control means
• CPC Class Codes: F21V 23/0442 activated by means of a sensor, e.g. motion or photodetectors
• 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 29/773 the planes containing the fins or blades having the direction of the light emitting axis
• CPC Class Codes: F21V 29/86 Ceramics or glass
• CPC Class Codes: F21V 29/87 Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
• CPC Class Codes: F21V 29/89 Metals
• CPC Class Codes: F21V 33/0052 Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
• CPC Class Codes: F21V 33/0076 Safety or security signalisation, e.g. smoke or burglar alarms, earthquake detectors; Self-defence devices
• CPC Class Codes: F21W 2131/103 of streets or roads
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H05B 45/00 Circuit arrangements for operating light-emitting diodes [LED]
• CPC Class Codes: H05B 45/10 Controlling the intensity of the light
• CPC Class Codes: H05B 47/155 Coordinated control of two or more light sources
• CPC Class Codes: H05B 47/18 : via data-bus transmission
• 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: Y02B 20/30 : Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

Gimbaled LED array module. In an aspect, In an LED mounting assembly is provided for directing light emitted from an LED array. The LED mounting assembly includes a gimbaled assembly configured to receive the LED array and to allow for positioning the LED array to direct the light emitted from the LED array. The LED mounting assembly also includes a body portion configured to receive the gimbaled assembly, and a connector coupled to the body portion, the connector configured to provide at least one of an electrical connection and a mechanical connection for the mounting assembly.

Claims

1. An LED mounting assembly for directing light emitted from an LED array, the LED mounting assembly comprising:

a gimbaled assembly configured to receive the LED array and to allow for positioning the LED array to direct the light emitted from the LED array;

a body portion configured to receive the gimbaled assembly;

a connector configured to provide at least one of an electrical connection and a mechanical connection for the LED mounting assembly; and

a mounting arm configured to couple the connector to the body portion.

2. The LED mounting assembly of claim 1, said connector configured to couple the LED mounting assembly to a light fixture.

3. The LED mounting assembly of claim 1, further comprising a radial heat sink configured to couple the LED array to the gimbaled assembly.

4. The LED mounting assembly of claim 3, the radial heat sink comprising a plurality of radially extending fins to dissipate heat generated by the LED array.

5. The LED mounting assembly of claim 3, further comprising an environmentally protective seal that seals the LED array to the radial heat sink.

6. The LED mounting assembly of claim 1, wherein the connector couples electrical signals to the LED array.

7. The LED mounting assembly of claim 6, further comprising a driver that receives the electrical signals and produces at least one drive signal that is coupled to the LED array.

8. The LED mounting assembly of claim 1, wherein the LED mounting assembly is mounted to a first T connector, wherein the first T-connector comprises a socket that mates with the connector to support the LED mounting assembly, and wherein the first T connector further comprises first and second ends that are each configured to mechanically and electrically couple the first T connector to at least one of a post and a second T connector.

9. An LED mounting assembly for directing light emitted from an LED array, the LED mounting assembly comprising:

a gimbaled assembly configured to receive the LED array and to allow for positioning the LED array to direct the light emitted from the LED array, wherein the gimbaled assembly comprises an inner ring that is coupled to an outer ring by a first set of rotatable arms to allow the inner ring to rotate in a first direction;

a body portion configured to receive the gimbaled assembly; and

a connector coupled to the body portion, the connector configured to provide at least one of an electrical connection and a mechanical connection for the LED mounting assembly.

10. The LED mounting assembly of claim 9, further comprising a first locking mechanism configured to lock the inner ring at a selected position in the first direction.

11. The LED mounting assembly of claim 9, wherein the gimbaled assembly comprises a second set of rotatable arms that couple the LED array to the inner ring to allow the LED array to rotate in a second direction.

12. The LED mounting assembly of claim 11, further comprising a second locking mechanism configured to lock the LED array at a selected position in the second direction.

13. A lighting fixture for directing light emitted from an LED array, the lighting fixture comprising:

a lamp head; and

at least one LED mounting assembly coupled to the lamp head, the at least one LED mounting assembly comprising;

a gimbaled assembly configured to receive the LED array and to allow for positioning the LED array to direct the light emitted from the LED array;

a body portion configured to receive the gimbaled assembly;

a connector configured to provide at least one of an electrical connection and a mechanical connection to the body portion; and

a mounting arm configured to couple the connector to the body portion.

14. The lighting fixture of claim 13, further comprising a radial heat sink configured to couple the LED array to the gimbaled assembly.

15. The lighting fixture of claim 14, the radial heat sink comprising a plurality of radially extending fins to dissipate heat generated by the LED array.

16. The lighting fixture of claim 14, further comprising an environmentally protective seal that seals the LED array to the radial heat sink.

17. The lighting fixture of claim 13, wherein the connector couples electrical signals to the LED array.

18. The lighting fixture of claim 17, further comprising a driver that receives the electrical signals and produces at least one drive signal that is coupled to the LED array.

19. The lighting fixture of claim 13, further comprising a rotating mount coupled to the lamp head and configured to allow 360 degrees of rotation.

20. A lighting fixture for directing light emitted from an LED array, the lighting fixture comprising:

a lamp head; and

at least one LED mounting assembly coupled to the lamp head, the at least one LED mounting assembly comprising;

a gimbaled assembly configured to receive an LED array and to allow for positioning the LED array to direct the light emitted from the LED array, wherein the gimbaled assembly comprises an inner ring that is coupled to an outer ring by a first set of rotatable arms to allow the inner ring to rotate in a first direction;

a body portion configured to receive the gimbaled assembly; and

a connector coupled to the body portion, the connector configured to provide at least one of an electrical connection and a mechanical connection to the body portion.

21. The lighting fixture of claim 20, further comprising a first locking mechanism configured to lock the inner ring at a selected position in the first direction.

22. The lighting fixture of claim 20, wherein the gimbaled assembly comprises a second set of rotatable arms that couple the LED array to the inner ring to allow the LED array to rotate in a second direction.

23. The lighting fixture of claim 22, further comprising a second locking mechanism configured to lock the LED array at a selected position in the second direction.

24. A lighting fixture for directing light emitted from an LED array, the lighting fixture comprising:

a lamp head;

a controller coupled to the lamp head and configured to control the operations of the lighting fixture; and

at least one LED mounting assembly coupled to the lamp head, the at least one LED mounting assembly comprising;

a gimbaled assembly configured to receive an LED array and to allow for positioning the LED array to direct the light emitted from the LED array;

a body portion configured to receive the gimbaled assembly; and

a connector coupled to the body portion, the connector configured to provide at least one of an electrical connection and a mechanical connection to the body portion.

25. The lighting fixture of claim 24, further comprising a multicolored indicator coupled to the lamp head and configured to emit light having one or more colors in response to control signals from the controller.

26. The lighting fixture of claim 24, further comprising a speaker and microphone coupled to the lamp head and configured to broadcast sound information from the controller and receive sound information that is passed to the controller.

27. The lighting fixture of claim 24, further comprising accessory sensors coupled to the lamp head and comprising at least one of a daytime detector, automatic toll payment detector, and speed detector all configured to exchange detected information with the controller.

28. The lighting fixture of claim 24, further comprising an infrared sensor coupled to the lamp head and configured to pass detected infrared data to the controller.

29. The lighting fixture of claim 24, further comprising a GPS system coupled to the lamp head and configured to pass detected positioning information to the controller.

30. The lighting fixture of claim 24, further comprising an antenna coupled to the lamp head and configured to provide communications between the controller and a central control entity using wireless communications.

31. The lighting fixture of claim 24, further comprising a communication interface coupled to the lamp head and configured to provide wired LAN communications between the controller and a central control entity.

32. A lighting system for directing light emitted from a plurality of lighting fixtures, the lighting system comprising:

a central controller; and

a plurality of lighting fixtures in communication with the central controller, each lighting fixture comprising at least one LED mounting assembly comprising;

a gimbaled assembly configured to receive an LED array and to allow for positioning the LED array to direct light emitted from the LED array;

a body portion configured to receive the gimbaled assembly; and

a connector coupled to the body portion, the connector configured to provide at least one of an electrical connection and a mechanical connection to the body portion.

33. The lighting system of claim 32, wherein each LED mounting assembly comprises a radial heat sink configured to couple the LED array to the gimbaled assembly.

34. The lighting system of claim 33, the radial heat sink comprising a plurality of radially extending fins to dissipate heat generated by the LED array.

35. The lighting system of claim 34, further comprising an environmentally protective seal that seals the LED array to the radial heat sink.

36. The lighting system of claim 32, wherein the gimbaled assembly comprises an inner ring that is coupled to an outer ring by a first set of rotatable arms to allow the inner ring to rotate in a first direction.

37. The lighting system of claim 36, further comprising a first locking mechanism configured to lock the inner ring at a selected position in the first direction.

38. The lighting system of claim 37, wherein the gimbaled assembly comprises a second set of rotatable arms that couple the LED array to the inner ring to allow the LED array to rotate in a second direction.

39. The lighting system of claim 38, further comprising a second locking mechanism configured to lock the LED array at a selected position in the second direction.

40. The lighting system of claim 32, wherein the connector couples electrical signals to the LED array.

41. The lighting system of claim 40, further comprising a driver that receives the electrical signals and produces at least one drive signal that is coupled to the LED array.

42. The lighting system of claim 32, further comprising a rotating mount coupled to each lighting fixture, respectively, each rotating mount configured to allow each lighting fixture to rotate 360 degrees based on control signals from the central controller.

43. The lighting system of claim 32, further comprising a controller coupled to each lighting fixture, respectively, to control operations of each lighting fixture.

44. The lighting system of claim 32, further comprising a multicolored indicator coupled to each lighting fixture, respectively, to emit light having one or more colors in response to control signals from the central controller.

45. The lighting system of claim 32, further comprising a speaker and microphone coupled to each lighting fixture, respectively, to broadcast sound information from the central controller and receive sound information that is passed to the central controller.

46. The lighting system of claim 32, further comprising accessory sensors coupled to each lighting fixture, respectively, and comprising at least one of a daytime detector, automatic toll payment detector, and speed detector all configured to exchange detected information with the central controller.

47. The lighting system of claim 32, further comprising an infrared sensor coupled to each lighting fixture, respectively, and configured to pass detected infrared data to the central controller.

48. The lighting system of claim 32, further comprising a GPS system coupled to each lighting fixture, respectively, and configured to pass detected positioning information to the central controller.

49. The lighting system of claim 32, further comprising an antenna coupled to each lighting fixture, respectively, and configured to provide communications with the central controller using wireless communications.

50. The lighting system of claim 32, further comprising a communication interface coupled to each lighting fixture, respectively, and configured to provide wired LAN communications with the central controller.