Claims
- 1. An optical signal transmitter device, comprising:
a base plate; at least two light elements located on said base plate in a configuration for solely defining a specific predetermined emission characteristic or a light density distribution; and a condenser configured on an optical axis at a fixed distance away from said light elements for projecting light emitted from said light elements to infinity.
- 2. The optical signal transmitter device according to claim 1, wherein:
said condenser has a focal plane; and said light elements are located slightly away from said focal plane of said condenser.
- 3. The optical signal transmitter device according to claim 1, wherein:
said condenser has a focal plane; said light elements are located on said focal plane of said condenser; said condenser has a configuration of optical structures for deliberate defocusing.
- 4. The optical signal transmitter device according to claim 1, wherein said condenser has a surface facing said light elements and said optical structures are configured on said surface.
- 5. The optical signal transmitter device according to claim 3, wherein:
said optical structures are spherical lenses that each have a convex surface; each of said optical structures are fitted on said surface of said condenser such that said convex surface faces said light elements; and said optical structures each have a focal length that is short in comparison with a distance between said base plate and said condenser.
- 6. The optical signal transmitter device according to claim 5, wherein said focal length is ⅙ of the distance between said base plate and said condenser.
- 7. The optical signal transmitter device according to claim 1, wherein said condenser is a Fresnel lens.
- 8. The optical signal transmitter device according to claim 1, wherein said light elements are LEDs.
- 9. The optical signal transmitter device according to claim 1, wherein said light elements are SMT-compatible LEDs.
- 10. The optical signal transmitter device according to claim 1, wherein said light elements are LED semiconductor bodies fitted directly to said base plate.
- 11. The optical signal transmitter device according to claim 1, wherein said base plate is a panel.
- 12. The optical signal transmitter device according to claim 1, wherein said base plate is a panel with a metal core.
- 13. The optical signal transmitter device according to claim 1, further comprising a heat sink mounted to said base plate.
- 14. The optical signal transmitter device according to claim 1, wherein said base plate has regions located away from said light elements that are colored black.
- 15. The optical signal transmitter device according to claim 1, wherein said condenser is convex.
- 16. The optical signal transmitter device according to claim 1, wherein at least some of said light elements are electrically connected in series or in parallel.
- 17. The optical signal transmitter device according to claim 1, wherein:
said light elements are electrically combined to form at least two parallel circuits; and at least some of said parallel circuits are connected in series.
- 18. The optical signal transmitter device according to claim 1, wherein:
said light elements are electrically combined to form at least two series circuits; and at least some of said series circuits are connected in parallel.
- 19. An optical signal transmitter device, comprising:
a base plate; at least two light elements configured on said base plate; a convex condenser configured on an optical axis at a fixed distance away from said light elements for projecting light emitted from said light elements to infinity; and a scattering lens having optical characteristics; at least one feature, selected from a group consisting of said configuration of said light elements and said optical characteristics of said scattering lens, enabling a specific predetermined emission characteristic or a light density distribution.
- 20. The optical signal transmitter device according to claim 19, wherein:
said condenser has a focal plane; and said light elements are located slightly away from said focal plane of said condenser.
- 21. The optical signal transmitter device according to claim 19, wherein:
said condenser has a focal plane; said light elements are located on said focal plane of said condenser; said condenser has a configuration of optical structures for deliberate defocusing.
- 22. The optical signal transmitter device according to claim 19, wherein said condenser has a surface facing said light elements and said optical structures are configured on said surface.
- 23. The optical signal transmitter device according to claim 3, wherein:
said optical structures are spherical lenses that each have a convex surface; each of said optical structures are fitted on said surface of said condenser such that said convex surface faces said light elements; and said optical structures each have a focal length that is short in comparison with a distance between said base plate and said condenser.
- 24. The optical signal transmitter device according to claim 5, wherein said focal length is ⅙ of the distance between said base plate and said condenser.
- 25. The optical signal transmitter device according to claim 19, wherein said condenser is a Fresnel lens.
- 26. The optical signal transmitter device according to claim 19, wherein said light elements are LEDs.
- 27. The optical signal transmitter device according to claim 19, wherein said light elements are SMT-compatible LEDs.
- 28. The optical signal transmitter device according to claim 19, wherein said light elements are LED semiconductor bodies fitted directly to said base plate.
- 29. The optical signal transmitter device according to claim 19, wherein said base plate is a panel.
- 30. The optical signal transmitter device according to claim 19, wherein said base plate is a panel with a metal core.
- 31. The optical signal transmitter device according to claim 19, further comprising a heat sink mounted to said base plate.
- 32. The optical signal transmitter device according to claim 19, wherein said base plate has regions located away from said light elements that are colored black.
- 33. The optical signal transmitter device according to claim 19, wherein at least some of said light elements are electrically connected in series or in parallel.
- 34. The optical signal transmitter device according to claim 19, wherein:
said light elements are electrically combined to form at least two parallel circuits; and at least some of said parallel circuits are connected in series.
- 35. The optical signal transmitter device according to claim 19, wherein:
said light elements are electrically combined to form at least two series circuits; and at least some of said series circuits are connected in parallel.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is a continuation of copending International Application No. PCT/DE00/04591, filed Dec. 22, 2000, which designated the United States and was not published in English.
Continuations (1)
|
Number |
Date |
Country |
Parent |
PCT/DE00/04591 |
Dec 2000 |
US |
Child |
10601532 |
Jun 2003 |
US |