MODULAR LED LIGHTING DEVICE

• US 20110115373A1
• Filed: 06/18/2010
• Published: 05/19/2011
• Est. Priority Date: 12/19/2007
• Status: Abandoned Application

• Current Assignee: Eihab Baqui, Eran Plonski, Sharath Kumar
• Original Assignee: Eihab Baqui, Eran Plonski, Sharath Kumar
• Inventors: Kumar, Sharath, Plonski, Eran, Baqui, Eihab
• Application Number:
  US12/818,324
• Publication Number:
  US 20110115373A1
• Time in Patent Office: Days
• US Class Current: 315/35
• CPC Class Codes: F21K 9/00 Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
• CPC Class Codes: F21K 9/20 Light sources comprising attachment means
• CPC Class Codes: F21V 19/001 the light sources being semiconductors devices, e.g. LEDs
• CPC Class Codes: F21V 19/04 with provision for changing light source, e.g. turret auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006
• CPC Class Codes: F21V 23/06 the elements being coupling devices , e.g. connectors
• CPC Class Codes: F21V 27/00 Cable-stowing arrangements structurally associated with lighting devices, e.g. reels storing lengths of cable in general B65H; the lighting devices being vehicle headlamps F21S41/192; the lighting devices being vehicle lights F21S43/195
• CPC Class Codes: F21V 29/71 using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
• 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 29/80 with pins or wires
• CPC Class Codes: F21Y 2105/10 comprising a two-dimensional array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H01R 12/716 Coupling device provided on the PCB

Abstract

There is described an LED lighting device comprising: a heat dissipating device having a planar surface; and a circuit board removably attached to the heat dissipating device and having a top surface, a bottom surface, and a surrounding side surface, the circuit board comprising at least one LED on the top surface and having at least one electrical connector on one of the top surface and the side surface for removably connecting the at least one LED to a power source, the bottom surface being abutted against the planar surface in order to transfer heat generated by the at least one LED to the heat dissipating device.

Claims

1. An LED lighting device comprising:

a heat dissipating device having a planar surface; and

a circuit board removably attached to said heat dissipating device and having a top surface, a bottom surface, and a surrounding side surface, said circuit board comprising at least one LED on said top surface and having at least one electrical connector on one of said top surface and said side surface for removably connecting said at least one LED to a power source, said bottom surface being abutted against said planar surface in order to transfer heat generated by said at least one LED to said heat dissipating device.

2. The LED lighting device as claimed in claim 1, wherein said at least one electrical connector is a plug-in connector located on said top surface of circuit board.

3. The LED lighting device as claimed in claim 1, further comprising at least one mating connector connected to said power source and engaging said at least one electrical connector.

4. The LED lighting device as claimed in claim 3, wherein said at least one electrical connector is a U-shaped electrical connector on said top surface.

5. The LED lighting device as claimed in claim 3, wherein said at least one electrical connector is an L-shaped electrical connector on said top surface.

6. The LED lighting device as claimed in claim 3, wherein said at least one electrical connector is a pair of hook electrical connectors on said top surface.

7. The LED lighting device as claimed in claim 3, wherein said at least one electrical connector is a pair of plate electrical connectors on said top surface.

8. The LED lighting device as claimed in claim 3, wherein said at least one electrical connector is a pair of electrical plate connectors on said side surface.

9. The LED lighting system device as claimed in claim 4, wherein said at least one mating connector is positioned on said heat dissipating device.

10. The LED lighting device as claimed in claim 4, further comprising a frame for receiving said circuit board, said at least one mating connector being positioned on said frame.

11. The LED lighting device as claimed in claim 3, wherein said at least one mating connector is attached to a cable for removably connecting to said power source, said cable extending through said heat dissipating device.

12. The LED lighting device as claimed in claim 1, wherein said circuit board comprises a notch on said side surface to receive a cable having a mating connector engaged in said at least one electrical connector.

13. The LED lighting device as claimed in claim 1, wherein said heat dissipating device comprises a heat sink and a plateau, said plateau being positioned between said bottom surface of said circuit board and said heat sink, thereby uniformly repartitioning said heat generated by said at least one LED along a cross-section of said heat sink

15. The LED lighting device as claimed in claim 13, wherein said heat sink is removably attached to said plateau.

16. The LED lighting device as claimed in claim 13, wherein a heat conductive plate is located between said plateau and said circuit board.

18. The LED lighting device as claimed in claim 1, wherein said circuit board includes a heat conductive layer on said bottom surface.

19. The LED lighting device as claimed in claim 10, further comprising a lens positioned on top of said top surface of said circuit board.

20. The LED lighting system as claimed in claim 19, further comprising a top threaded cap positioned on top of said lens and attached to said frame.

21. The LED lighting system as claimed in claim 1, further comprising an embedded driver for converting a voltage delivered by said power source.

22. The LED lighting system as claimed in claim 13, further comprising a heat dissipating plate inserted between said plateau and said heat sink.

14. (canceled)

17. (canceled)