Light Emitting Diode Retrofit Conversion Kit for a Fluorescent Light Fixture

• US 20120113628A1
• Filed: 07/12/2010
• Published: 05/10/2012
• Est. Priority Date: 07/13/2009
• Status: Abandoned Application

• Current Assignee: Smashray Limited
• Original Assignee: Smashray Limited
• Inventors: Burrow, Grahame K., Houser, Tarner
• Application Number:
  US13/383,917
• Publication Number:
  US 20120113628A1
• Time in Patent Office: Days
• US Class Current: 362/184
• CPC Class Codes: F21V 15/013 the housing being an extrusion
• CPC Class Codes: F21V 23/00 Arrangement of electric circuit elements in or on lighting devices characterised by cooling arrangements F21V29/508
• CPC Class Codes: F21V 29/507 of means for protecting lighting devices from damage, e.g. housings
• CPC Class Codes: F21V 29/74 with fins or blades
• CPC Class Codes: F21V 29/75 with fins or blades having different shapes, thicknesses or spacing
• CPC Class Codes: F21V 29/76 with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
• CPC Class Codes: F21V 29/77 with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
• CPC Class Codes: F21Y 2103/00 Elongate light sources, e.g. fluorescent tubes
• CPC Class Codes: F21Y 2103/10 comprising a linear array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: F21Y 2115/20 Electroluminescent [EL] light sources
• CPC Class Codes: Y02B 20/30 Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

A light emitting diode retrofit conversion kit adapted for use in a fluorescent light fixture comprises a housing adapted to be secured to a troffer; a power supply carried by the housing; and a plurality of light emitting diodes carried by the housing.

Claims

1. A light emitting diode retrofit conversion kit adapted for use in a fluorescent light fixture comprising:

a housing adapted to be secured to a troffer;

a power supply carried by the housing; and

a plurality of light emitting diodes carried by the housing.

2. The light emitting diode retrofit conversion kit of claim 1 wherein the housing is formed as an extrusion.

3. The light emitting diode retrofit conversion kit of claim 1 wherein the housing includes a plurality of cooling fins formed integrally therewith on one or more surfaces thereof.

4. The light emitting diode retrofit conversion kit of claim 1 wherein the housing includes at least one integrally formed channel and the plurality of light emitting diodes are disposed in the channel

5. The light emitting diode retrofit conversion kit of claim 4 wherein the channel includes threaded openings for receiving screws for securing the plurality of light emitting diodes to the channel.

6. The light emitting diode retrofit conversion kit of claim 1 wherein the housing includes an upstanding formed channel having a threaded portion for receiving a screw to secure the power supply to the housing.

7. The light emitting diode retrofit conversion kit of claim 1 wherein at least two of the plurality of light emitting diodes are electrically connected together with the use of printed circuit board links so as to define a light emitting diode circuit.

8. The light emitting diode retrofit conversion kit of claim 1 wherein the housing is secured to the fluorescent light fixture by a snap fit attachment method.

9. The light emitting diode retrofit conversion kit of claim 8 wherein the housing is provided with notches to assist in securing the housing to the troffer.

10. The light emitting diode retrofit conversion kit of claim 1 wherein the housing is secured to the fluorescent light fixture by a plurality of screws.

11. The light emitting diode retrofit conversion kit of claim 1 wherein the housing includes a pair of upper mounting flanges, at least a first pair of side walls, and a bottom wall.

12. The light emitting diode retrofit conversion kit of claim 11 wherein at least a portion of one of an inner wall and an outer wall of the first pair of side walls includes a plurality of cooling fins formed integrally therewith.

13. The light emitting diode retrofit conversion kit of claim 11 further including a second pair of side walls, and wherein at least a portion, of one of an inner wall and an outer wall of at least one of the first and second pair of side walls includes a plurality of cooling fins formed integrally therewith.

14. A light emitting diode retrofit conversion kit adapted for use in a fluorescent light fixture comprising:

a housing formed as an extrusion and adapted to be secured to a troffer, the housing including at least one integrally formed channel and a plurality of cooling fins formed integrally therewith on one or more surfaces thereof;

a power supply carried by the housing; and

a plurality of light emitting diodes carried by the housing;

wherein the light emitting diodes are disposed in the channel.

15. The light emitting diode retrofit conversion kit of claim 14 wherein the channel includes threaded openings for receiving screws for securing the plurality of light emitting diodes in the channel.

16. The light emitting diode retrofit conversion kit of claim 14 wherein at least two of the light emitting diodes are electrically connected together with the use of printed circuit board links so as to define a light emitting diode circuit.

17. The light emitting diode retrofit conversion kit of claim 14 wherein the housing is secured to the fluorescent light fixture by one of a snap fit attachment method and a plurality of screws.

18. The light emitting diode retrofit conversion kit of claim 14 wherein the housing includes a pair of upper mounting flanges, at least a first pair of side walls, and a bottom wall, and wherein at least a portion of one of an inner wall and an outer wall of the first pair of side walls includes a plurality of cooling fins formed integrally therewith.

19. The light emitting diode retrofit conversion kit of claim 18 further including a second pair of side walls, and wherein at least a portion of one of an inner wall and an outer wall of at least one of the first and second pair of side walls includes a plurality of cooling fins formed integrally therewith.

20. A light emitting diode retrofit conversion kit adapted for use in a fluorescent light fixture comprising:

a housing formed as an extrusion and adapted to be secured to a troffer by at least one of a snap fit attachment method and a plurality of screws, the housing includes a pair of upper mounting flanges, at least a first pair of side walls, and a bottom wall;

a power supply carried by the housing; and

a plurality of light emitting diodes carried by the housing, at least two of the light emitting diodes electrically connected together with the use of printed circuit board links so as to define a light emitting diode circuit.