Elongated solid state light source holder for retrofitting luminaires with tombstone sockets

• US 10,415,773 B2
• Filed: 05/27/2015
• Issued: 09/17/2019
• Est. Priority Date: 05/27/2014
• Status: Active Grant

• Current Assignee: ABL IP Holding LLC (Acuity Brands, Inc.)
• Original Assignee: OSRAM Sylvania Inc. (Ams-Osram AG)
• Inventors: Oksengendler, Alex, Rock, Ty Vyn
• Primary Examiner(s): Negron, Ismael
• Application Number:
  US14/723,287
• Publication Number:
  US 20150345751A1
• Time in Patent Office: 1,574 Days
• Field of Search: 362226, 3622171, 36221711, 36221717, 362221, 362225, 36221713
• CPC Class Codes: F21S 4/28 rigid, e.g. LED bars
• 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: Y02B 20/30 Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

A retrofit system includes an elongated holder having a solid state light engine, a cavity configured to receive a power supply for the light engine, and a receptacle configured to receive a tombstone socket of an existing luminaire, such that the light engine is positioned and aligned substantially in the same place as a fluorescent lamp being replaced by the retrofit system within the luminaire.

Claims

1. A retrofit system for a luminaire, said luminaire including a tombstone socket, said retrofit system comprising:

an integrated holder, configured to hold a power supply;

a solid state engine disposed on the integrated holder and configured to be powered by the power supply; and

a tombstone socket receptacle configured to selectively and detachably interface with the tombstone socket of the luminaire,

wherein said retrofit system is devoid of a tombstone socket and forms an integral unit selectively detachable from said luminaire.

2. The retrofit system of claim 1, further comprising

a support mount (1000) disposed on the integrated holder at a location spaced from the tombstone socket receptacle, said support mount comprising a fastener,

whereby the integrated holder is securable by the support mount to the luminaire.

3. In combination the retrofit system of claim 1 and the luminaire, wherein

the tombstone socket (104) of the luminaire has a tombstone face (105a) defining a bi-pin receiving aperture;

and

the tombstone socket receptacle is received in abutting relation to the tombstone socket, wherein the tombstone socket receptacle is not received into the bi-pin receiving aperture,

whereby there is no electrical pathway established between the tombstone socket and the retrofit system.

4. The retrofit system of claim 1, further comprising:

a power supply to power the solid state light engine,

wherein the tombstone socket receptacle is electrically isolated from an electrical pathway supplying the solid state light engine.

5. The retrofit system of claim 1, wherein the integrated holder comprises an elongated structure.

6. The retrofit system of claim 5, wherein the integrated holder comprises opposing first and second longitudinal distal ends, wherein the opposing first and second longitudinal distal ends are on opposing ends of the elongated structure, and wherein the tombstone socket receptacle is located at the first longitudinal distal end.

7. The retrofit system of claim 5, wherein the retrofit system further comprises a light engine comprising an elongated shape and a plurality of solid state light sources arranged thereon, wherein the light engine is fastened to the elongated structure of the integrated holder such that the elongated shape of the light engine corresponds to the elongated structure of the integrated holder.

8. The retrofit system of claim 5, wherein the elongated structure comprises a three- dimensional profile extending along a longitudinal length of the elongated structure, wherein the three-dimensional profile defines a cavity in the elongated structure, and wherein the cavity holds a power supply.

9. The retrofit system of claim 5, wherein the integrated holder comprises opposing first and second longitudinal distal ends;

and

wherein the elongated structure comprises;

a three-dimensional profile extending along a longitudinal length of the elongated structure;

two laterally spaced sides walls, each comprising a longitudinal distal end portion adjacent at least one of the first longitudinal distal end and the second longitudinal distal end of the elongated structure and defining a notch in the side wall; and

a front wall disposed between the two laterally spaced side walls.

10. The retrofit system of claim 9, wherein each side wall has a height, and wherein each notch is defined by a decrease in a height of the side wall relative to an adjacent medial portion of each side wall.

11. The retrofit system of claim 9, wherein the three-dimensional profile comprises a U-shaped profile.

12. The retrofit system of claim 9, wherein a longitudinal distal end portion of at least one side wall adjacent at least one of the first longitudinal distal end and the second longitudinal distal end of the elongated structure defines a hook.

13. The retrofit system of claim 12, wherein the hook is configured to hook the retrofit system to the luminaire and to suspend the retrofit system in a vertically hanging position from the luminaire during installation of the retrofit system to the luminaire.

14. The retrofit system of claim 12, wherein the hook is in the form of a J-hook.

15. The retrofit system of claim 1, wherein the integrated holder comprises opposing first and second longitudinal distal ends, the tombstone socket receptacle is located at the first longitudinal distal end of the integrated holder.

16. The retrofit system of claim 2, wherein the integrated holder comprises a generally planar central region (109c ) configured to hold a solid state light engine, and the tombstone socket receptacle extends away from the central region and substantially parallel thereto.

17. The retrofit system of claim 15, wherein the tombstone socket receptacle comprises two protrusions located at the first longitudinal distal end of the integrated holder, wherein the two protrusions are shaped so as to accommodate the tombstone socket of the luminaire.

18. The retrofit system of claim 3, wherein the two protrusions (110a, 110b) are connected by a bight portion in a U-shape, the bight portion defined by a lateral front wall portion (109c) of the integrated holder (109).

19. The retrofit system of claim 15, further comprising a plurality of light engines, each comprising an elongated shape and a plurality of solid state light sources arranged thereon;

and

wherein the integrated holder comprises a plurality of elongated structures and each one of the plurality of solid state light engines is arranged on a different one of the plurality of elongated structures.

20. The retrofit system of claim 19, wherein the plurality of elongated structures are spaced side-by-side by an elongated gap that separates the plurality of elongated structures from each other.

21. The retrofit system of claim15, wherein the tombstone socket receptacle comprises a plurality of tombstone socket receptacles.

22. The retrofit system of claim 21, wherein at least two tombstone socket receptacles of the plurality of tombstone socket receptacles are located at the first longitudinal distal end of the integrated holder.

23. The retrofit system of claim 21, wherein a tombstone socket receptacle of the plurality of tombstone socket receptacles is located at the second longitudinal distal end of the integrated holder.

24. The retrofit system of claim 23, wherein at least two tombstone socket receptacles of the plurality of tombstone socket receptacles are located at the second longitudinal distal end of the integrated holder.

25. A combination comprising:

a luminaire and a retrofit system (107) for the luminaire, the luminaire (102) including a tombstone socket directly affixed to the luminaire, the tombstone socket having a tombstone face defining a bi-pin receiving aperture; and

a retrofit system devoid of a tombstone socket and comprising an integrated holder configured to hold a solid state light engine and a power supply to power the solid state light engine, and a tombstone socket receptacle configured to selectively and detachably interface with the tombstone socket of the luminaires;

wherein the tombstone socket receptacle is received in abutting relation to the tombstone socket and selectively detachable from the tombstone socket, wherein the tombstone socket receptacle is not received into the bi-pin receiving aperture;

whereby said retrofit system forms an integral unit selectively detachable from said luminaire.

26. The combination of claim 25, wherein the tombstone socket receptacle (116) received in the abutting relation to the tombstone socket (104) remains electrically isolated from the tombstone socket.

27. The combination of claim 25, wherein the tombstone socket receptacle (116) is electrically isolated from an electrical pathway configured to supply power to the solid state light engine.

28. The combination of claim 25, wherein the luminaire (102) further comprises two mutually facing tombstone sockets (104) and the retrofit system (107) further comprises two tombstone socket receptacles (116) disposed at opposing ends thereof, and the tombstone socket receptacles (116) being removable by simultaneous translational displacement from the abutting relation to the two mutually facing tombstone sockets (104).

29. A method of mounting a retrofit lighting system in a conventional luminaire for a fluorescent lamp having conductive bi-pins, the conventional luminaire comprising a tombstone socket having an outermost lateral peripheral surface bounding transverse to said lateral peripheral surface a tombstone face defining a bi-pin receiving aperture for electrically conductive bi-pins of the fluorescent lamp, comprising:

providing an integrated holder formed at a distal end thereof with a tombstone socket-receiving receptacle configured to receive the tombstone socket of the luminaire, wherein the integrated holder further comprises a solid state light engine and a power supply to power the solid state light engine;

translating the integrated holder towards the luminaire; and

aligning, while translating the integrated holder, the integrated holder in the luminaire with the tombstone socket-receiving receptacle in surrounding relation to the lateral peripheral surface of the tombstone socket, said positioning further comprising leaving the bi-pin receiving aperture on the tombstone face of the tombstone socket unoccupied.

30. The method of claim 29, further comprising

disposing on the integrated holder, spaced from the tombstone socket-receiving receptacle, a support mount, said support mount comprising a fastener;

and

securing via the support mount the integrated holder to the luminaire.

31. The method of claim 29, further comprising

fixedly attaching, at a location spaced from the tombstone socket-receiving receptacle, the integrated holder to the luminaire.

32. The method of claim 31, wherein said fixedly attaching comprises screwing.