LIGHT EMITTING DIODE HEAD-MOUNTABLE LIGHT

• US 20110199755A1
• Filed: 02/15/2010
• Published: 08/18/2011
• Est. Priority Date: 02/15/2010
• Status: Abandoned Application

• Current Assignee: Ray Optic, LLC
• Original Assignee: Ray Optic, LLC
• Inventors: Bullen, Ryan, Falk, Jesse
• Application Number:
  US12/705,741
• Publication Number:
  US 20110199755A1
• Time in Patent Office: Days
• US Class Current: 362/105
• CPC Class Codes: F21V 21/084 Head fittings
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A head-mountable light can include a support structure configured to be secured to a mounting structure that is configured to be secured to a person'"'"'s head, and a light emitting diode supported in the support structure. The light can also include a lens supported in the support structure. A focal point of the lens can be located a focal distance from a surface vertex of the lens closest to the diode. Additionally, the diode can be positioned from 72 to 99 percent or from 101 to 104 percent of the focal distance from the surface vertex.

Claims

1. A head mountable light comprising:

a support structure configured to be attached to a head mounting structure;

a light emitting diode supported in the support structure;

a lens supported in the support structure, a focal point of the lens being located a focal distance from a surface vertex of the lens closest to the diode, and the diode being positioned from 72 to 99 percent or from 101 to 104 percent of the focal distance from the surface vertex.

2. The light of claim 1, wherein the support structure comprises a region that is positioned to receive light from the light emitting diode without the light passing through the lens, and the region comprises an anti-reflective coating.

3. The light of claim 1, wherein the diode is positioned from 80 to 97 percent of the focal distance from the surface vertex.

4. The light of claim 1, wherein the diode is positioned from 88 to 96 percent of the focal distance from the surface vertex.

5. The light of claim 1, wherein the diode is positioned from 6.4 to 8.8 millimeters from the surface vertex.

6. The light of claim 1, wherein the diode is positioned from 7.1 to 8.6 millimeters from the surface vertex.

7. The light of claim 1, wherein the diode is positioned from 7.8 to 8.5 millimeters from the surface vertex.

8. The light of claim 1, wherein the lens comprises an antireflective coating.

9. The light of claim 1, wherein the diode is able to produce 200 lumens or more with an efficiency of at least 100 lumens per watt.

10. The light of claim 1, wherein the diode is part of a light emitting diode lamp that has a footprint no greater than 16 square millimeters.

11. The light of claim 1, wherein the diode is part of an XLamp XP-G light emitting diode lamp.

12. The light of claim 1, wherein the support structure comprises a housing that is no longer than 20 millimeters along an axis of the lens.

13. The light of claim 1, wherein the support structure comprises a housing that is no wider than 15 millimeters perpendicular to an axis of the lens.

14. The light of claim 1, wherein the diode is mounted on a front side of a board, and wherein the support structure comprises a backing plate behind the board and an adhesive between the backing plate and the board.

15. The light of claim 14, wherein the adhesive comprises heat sink epoxy.

16. The light of claim 1, wherein the light is a loupe light and the head mounting structure is a loupe structure.

17. A light apparatus comprising:

a mounting structure configured to be secured to a person'"'"'s head;

a light secured to the mounting structure, the light comprising;

a support structure secured to the mounting structure;

a light emitting diode supported in the support structure;

a lens supported in the support structure, the support structure comprising a region that is positioned to receive light from the light emitting diode without the light passing through the lens, and the region comprises an anti-reflective coating.

18. The light apparatus of claim 17, wherein the diode is positioned from 6.4 to 8.8 millimeters or from 9.0 millimeters to 9.3 millimeters from a surface vertex of the lens on a side of the lens facing the diode.

19. The light apparatus of claim 17, wherein the light is a loupe light and the mounting structure is a loupe mounting structure.

20. The light apparatus of claim 17, wherein a focal point of the lens is located a focal distance from the surface vertex, and the diode is positioned from 72 to 99 percent of the focal distance from the surface vertex.

21. The light apparatus of claim 19, wherein the diode is positioned from 7.1 to 8.6 millimeters from the surface vertex on the side of the lens facing the diode, and wherein the diode is positioned from 80 to 97 percent of the focal distance from the surface vertex.

22. The light apparatus of claim 19, wherein the diode is positioned from 7.8 to 8.5 millimeters from the surface vertex on the side of the lens facing the diode, and wherein the diode is positioned from 88 to 96 percent of the focal distance from the surface vertex.

23. A method comprising:

securing a light to a mounting structure, the light comprising;

a support structure;

a light emitting diode supported in the support structure; and

a lens supported in the support structure, a focal point of the lens being located a focal distance from a surface vertex of the lens closest to the diode, and the diode being positioned from 72 to 99 percent or from 101 to 104 percent of the focal distance from the surface vertex; and

securing the mounting structure to a person'"'"'s head.

24. The method of claim 23, wherein the light is a loupe light and the mounting structure is a loupe mounting structure.

25. The method of claim 23, wherein the diode is positioned from 7.1 to 8.6 millimeters from the surface vertex on the side of the lens facing the diode, and wherein the diode is positioned from 80 to 97 percent of the focal distance from the surface vertex.

26. The method of claim 23, wherein the diode is positioned from 7.8 to 8.5 millimeters from the surface vertex on the side of the lens facing the diode, and wherein the diode is positioned from 88 to 96 percent of the focal distance from the surface vertex.

27. The method of claim 23, wherein an outer diameter of the lens is from 8 to 12 millimeters.

28. The method of claim 23, wherein the support structure comprises a region that is positioned to receive light from the light emitting diode without the light passing through the lens, and the region comprises an anti-reflective coating.