Illumination device having light sources and angled reflection body

• US 7,635,199 B2
• Filed: 03/01/2007
• Issued: 12/22/2009
• Est. Priority Date: 12/08/2005
• Status: Expired due to Fees

• Current Assignee: UPEC Electronics Corporation
• Original Assignee: UPEC Electronics Corporation
• Inventors: Hsieh, Kun-Han, Tan, Tzy-Chang, Chang, Kai-Chi, Wang, Chen-Ming, Huang, Chen-Yuan, Guo, Huang-Chen
• Primary Examiner(s): Lee; Gunyoung T
• Application Number:
  US11/712,731
• Publication Number:
  US 20070147048A1
• Time in Patent Office: 1,027 Days
• Field of Search: 362/247, 362/235, 362/294, 362/301, 362/307, 362/311.02, 362/373, 362/240, 362/241, 362/249.02, 362/218, 362/545, 362/542
• US Class Current: 362/241
• CPC Class Codes: F21S 10/02 changing colors F21S10/002 - F21S10/007, F21S10/04 take precedence
• CPC Class Codes: F21V 11/14 with many small apertures
• CPC Class Codes: F21V 13/12 Combinations of only three kinds of elements
• CPC Class Codes: F21V 3/04 characterised by materials, surface treatments or coatings
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

The present invention is related to an illumination device capable of producing ambient light and whose structure can be efficiently manufactured and assembled. The illumination device comprises: a substrate electrically connect to a power supply, a plurality of light sources attached to a surface of the substrate, a reflection body with a reflection surface situated a distance from said plurality of light sources, a shell having a diffusion surface situated a distance from said reflection surface. The illumination device may further comprise a housing for receiving and supporting the substrate and the reflection body. The housing is configured to join with the shell and can be further attached to an external device receiving the ambient light. The light emitted from the light sources is reflected by the reflection body to the diffusion member and then radiates outwardly to the surrounding environment of the shell. The reflection surface of the reflection body is inclined at angle relative to the substrate. Said reflection angle formed by the reflection surface and the substrate can be adjusted so that the light is effectively reflected by the reflection surface to the surrounding environment of the device.

Claims

1. An illumination device, comprising:

a substrate having a top surface;

a plurality of light sources attached on the top surface of the substrate;

a light reflection shell having a reflection body and a diffusion member arranged a distance from the light sources;

wherein the reflection body comprises a reflection surface situated a distance from the light sources, and the diffusion member comprises a diffusion surface situated a distance from the reflection surface;

the reflection body being fixedly attached on the top surface of the substrate at a position spaced apart from the light sources, and the reflection surface extending at an inclined angle from the top surface of the substrate toward an upside of the light sources;

whereby the light emitted from the light sources is reflected by the reflection surface toward the diffusion surface and then radiates outwardly through the diffusion surface to a surrounding environment of the shell; and

a housing having a plurality of air circulation openings on side walls;

wherein the shell covers the housing, and slots located on sides of the shell are aligned with the plurality of openings on the housing.

2. The illumination device of claim 1, wherein the reflection body further comprises a bottom surface that lies parallel to the top surface of the substrate when attached on the top surface of the substrate.

3. The illumination device of claim 1, wherein the inclined angle is between 5 degree and 90 degrees.

4. The illumination device of claim 1, wherein the light reflection shell covers a portion of the substrate and the reflection body.

5. The illumination device of claim 1, wherein the light sources are arranged at equal distance from each other and are aligned longitudinally along a length of the substrate.

6. The illumination device of claim 1, wherein the reflection body and the diffusion member are both formed integrally with the light reflection shell.

7. The illumination device of any one of claim 1 or 2, wherein the reflection body is attached on the top surface of the substrate via screw fixation.

8. The illumination device of claim 2, wherein an adhesive layer is provided between the bottom surface of the reflection body and the top surface of the substrate such that the reflection body is adhesively joined with the top surface of the substrate.

9. The illumination device of any one of claim 1 or 4, wherein the light reflection shell is configured to completely cover the substrate and the reflection body.

10. An illumination device, comprising:

a substrate having a top surface;

a plurality of light sources attached on the top surface of the substrate;

a reflection body with a reflection surface situated a distance from the light sources, wherein the reflection body is fixedly attached on the top surface of the substrate at a position spaced apart from the light sources, and the reflection surface extends at an inclined angle from the top surface of the substrate toward an upside of the light sources; and

a shell having a diffusion surface situated a distance from the reflection surface, wherein the shell is mounted over the top surface of the substrate to substantially enclose the reflection body;

wherein the diffusion surface is situated a distance away from the reflection surface;

the light emitted from the light sources is reflected by the reflection surface to the diffusion surface and then radiates outwardly through the diffusion surface to a surrounding environment of the shell; and

a housing having a plurality of air circulation openings on side walls;

wherein the shell covers the housing, and slots located on sides of the shell are aligned with the plurality of openings on the housing.

11. The illumination device of claim 10, wherein the reflection body further comprises a bottom surface that lies parallel to the top surface of the substrate when attached with the substrate.

12. The illumination device of claim 10, wherein the inclined angle is between 5 degree and 90 degrees.

13. The illumination device of claim 10, wherein the shell covers a portion of the substrate and the reflection body.

14. The illumination device of claim 10, wherein the light sources are arranged in equal distance from each other and are aligned longitudinally along a length of the substrate.

15. The illumination device of claim 10, wherein the diffusion member is formed integrally with the shell.

16. The illumination device of any one of claim 10 or 11, wherein the reflection body is attached with the substrate via screw fixation.

17. The illumination device of claim 11, wherein an adhesive layer is provided between the bottom surface of the reflection body and the top surface of the substrate such that the reflection body is adhesively joined with the top surface of the substrate.

18. The illumination device of any one of claim 10 or 13, wherein the shell is configured to completely cover the substrate and the reflection body.

19. An illumination device, comprising:

a housing;

a substrate secured with the housing;

a plurality of light sources attached on a top surface of the substrate;

a reflection body with a reflection surface situated a distance from the light sources, wherein the reflection body is fixedly attached on the top surface of the substrate at a position spaced apart from the light sources, and the reflection surface extends at an inclined angle from the top surface of the substrate toward an upside of the light sources;

a shell having a diffusion member situated a distance from the reflection surface and configured to join with the housing;

wherein the diffusion member comprises a diffusion surface situated a distance from the reflection surface;

the light emitted from the light sources is reflected by the reflection body toward the diffusion member and then radiates outwardly through the diffusion surface to a surrounding environment of the shell and the housing; and

the housing having a plurality of air circulation openings on side walls;

wherein the shell covers the housing, and slots located on sides of the shell are aligned with the plurality of openings on the housing.

20. The illumination device of claim 19, wherein the reflection body further comprises a bottom surface that lies parallel to the top surface of the substrate when attached with the substrate.

21. The illumination device of claim 19, wherein the inclined angle is between 5 degree and 90 degrees.

22. The illumination device of claim 19, wherein the housing is fixed with the substrate through a securement member.

23. The illumination device of claim 22, wherein the reflection body is secured on the top surface of the substrate by the securement member.

24. The illumination device of claim 19, wherein the housing further comprises at least one supporter adapted to support the substrate at a distance from a bottom of the housing.

25. The illumination device of claim 19, wherein the shell covers a portion of the housing, the substrate and the reflection body.

26. The illumination device of claim 19, wherein the housing is further provided with at least an opening to allow air circulation and dissipate heat out of the illumination device.

27. The illumination device of any one of claim 19 or 25, wherein the shell is detachably joined with the housing via a hook engagement.

28. The illumination device of claim 19, wherein the diffusion member is formed integrally with the shell.

29. The illumination device of any one of claim 19 or 28, wherein the reflection body and the diffusion member are both formed integrally with the shell.

30. The illumination device of any one of claim 22 or 23, wherein the securement member includes a screw.

31. The illumination device of any one of claim 22 or 23, wherein the securement member includes a hook.

32. The illumination device of claim 20, wherein an adhesive layer is provided between the bottom surface of the reflection body and the top surface of the substrate such that the reflection body is adhesively joined with the top surface of the substrate.

33. The illumination device of claim 19, wherein the housing is further provided with at least one attachment member that is adapted to removably attach the housing with an external device.

34. The external device of claim 33, wherein the external device includes any type of display or audio apparatus.

35. The illumination device of claim 33, wherein the attachment member includes a screw.

36. The illumination device of claim 33, wherein the attachment member includes a hook.