Light emitting diode reflector

• US 20040218391A1
• Filed: 12/19/2003
• Published: 11/04/2004
• Est. Priority Date: 11/29/1999
• Status: Abandoned Application

• Current Assignee: Jeffrey K. Procter
• Original Assignee: Jeffrey K. Procter
• Inventors: Procter, Jeffrey K.
• Application Number:
  US10/741,569
• Publication Number:
  US 20040218391A1
• Time in Patent Office: Days
• US Class Current: 362/247
• CPC Class Codes: B63B 45/04 the devices being intended to indicate the vessel or parts thereof
• CPC Class Codes: B64D 2203/00 Aircraft or airfield lights using LEDs
• CPC Class Codes: B64D 47/06 for indicating aircraft presence
• CPC Class Codes: F21S 10/06 flashing, e.g. with rotating reflector or light source signalling lighting devices mounted on vehicles B60Q1/26
• CPC Class Codes: F21S 8/00 Lighting devices intended for fixed installation F21S9/00, F21S10/00 take precedence; using a string or strip of light sources F21S4/00
• CPC Class Codes: F21V 5/04 of lens shape
• CPC Class Codes: F21W 2111/00 Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
• CPC Class Codes: F21W 2111/04 for waterways
• CPC Class Codes: F21W 2111/06 for aircraft runways or the like
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A reflector for a circular array of LEDs each having a housing and a front portion for emitting a main beam of light, the reflector comprising a body defining a plurality of radially extending cavities in which the LEDs may be at least partially located, comprising:

(a) at least one wall to substantially surround the perimeter of the housing, said wall being spaced from the housing and adapted to reflect incident light from the LED along the cavity towards an open end of that cavity; and

(b) a fastener to releasably fasten the LEDs at least partially in the cavity.

Claims

1. A reflector for a circular array of LEDs each having a housing and a front portion for emitting a main beam of light, the reflector comprising a body having an axis said body defining a plurality of cavities extending radially from the axis in which the LEDs may be at least partially located, comprising:

(a) at least one wall to substantially surround the perimeter of the housing, said wall being spaced from the housing and adapted to reflect incident light from the LED along the cavity towards an open end of that cavity; and

(b) a fastener to releasably fasten the LEDs at least partially in the cavity.

2. A reflector according to claim 1, wherein the space between the at least one wall and the housing defines a gap through which light passes towards the open end of that cavity.

3. A reflector according to claim 1, wherein the space between the at least one wall and the housing is filled with a transparent medium through which light passes towards the open end of that cavity.

4. A reflector according to claim 1 wherein the depth of the cavity approximates the depth of the LED.

5. A reflector according to claim 1 wherein the at least one wall extends from the body to define a pair of divergent surfaces.

6. A reflector according to claim 1, wherein the at least one wall is substantially concave in shape.

7. A reflector according to claim 1, wherein the at least one wall is axially symmetrical.

8. A reflector according to claim 1 wherein the at least one wall comprises ridges to increase the amount of light reflected towards the open end of that cavity.

9. A reflector according to claim 1 wherein the body comprises at least two parts which are connectable together.

10. A reflector according to claim 9 wherein the body comprises complimentary parts.

11. A reflector according to claim 9 wherein the body comprises identical parts.

12. A reflector according to claim 9 wherein the fastener is formed by connection of the complimentary parts.

13. A light comprising a plurality of reflectors according to claim 1 and a plurality of LEDs located therein.

14. A reflector for a circular array of LEDs, each having a housing and a front portion for emitting a main beam of light, the reflector comprising a body having an axis said body defining a plurality of cavities extending radially from the axis in which the LEDs may be at least partially located, comprising:

(a) at least one wall to substantially surround the perimeter of the housing, said wall being spaced from the housing and adapted to reflect incident light from the LED along the cavity towards an open end of that cavity; and

(b) a fastener to releasably fasten the LED at least partially in the cavity wherein the body comprises at least two complimentary circular parts which are connectable together.

15. A reflector according to claim 14 wherein the circular parts are discs.

16. A reflector according to claim 14 wherein the circular parts are rings.

17. A reflector according to claim 14 wherein the circular parts are identical.

18. A light comprising a plurality of reflectors according to claim 14.

19. A light comprising a reflector for a circular array of LEDs each having a housing and a front portion for emitting a main beam of light, the reflector comprising a body having an axis, said body defining a plurality of cavities extending radially from the axis in which the LEDs may be at least partially located, comprising:

(a) at least one wall to substantially surround the perimeter of the housing, said wall being spaced from the housing and adapted to reflect incident light from the LED along the cavity towards an open end of that cavity; and

(b) a fastener to releasably fasten the LED at least partially in the cavity wherein the body comprises at least two complimentary circular parts which are connectable together.

20. A light according to claim 19 wherein the circular parts are discs.

21. A light according to claim 19 wherein the circular parts are rings.

22. A light according to claim 19 wherein the circular parts are identical.