Optoelectronic component
View Patent ↗Described is an optoelectronic component with at least one semiconductor body having an active region for generating electromagnetic radiation, and with a housing comprising a filter element that is disposed after the active region in the emission direction, in which the filter element selectively transmits a primary radiation fraction having a predetermined primary radiation property.
1. An optoelectronic component with at least one semiconductor body having an active region for generating electromagnetic radiation, and with a housing comprising,
disposed after said active region in the emission direction, a filter element that selectively transmits a primary radiation fraction having a predetermined primary radiation property,
wherein a secondary radiation fraction having a secondary radiation property different from said primary radiation property is reflected by said filter element,
said filter element reflects said secondary radiation fraction toward said semiconductor body,
said secondary radiation fraction undergoes a deflection process or an absorption and re-emission process in said semiconductor body, and
the deflected or re-emitted radiation impinges on said filter element.
2. The optoelectronic component as in claim 1 ,
wherein said primary radiation property is the direction, the polarization or/and the wavelength of said primary radiation fraction.
3. The optoelectronic component as in claim 1 ,
wherein both said primary radiation property and said secondary radiation property are the direction, the polarization or/and the wavelength of said radiation fraction.
4. The optoelectronic component as in claim 1 ,
wherein said primary radiation property is complementary to said secondary radiation property.
5. The optoelectronic component as in claim 1 ,
wherein said filter element is a dichroic filter.
6. The optoelectronic component as in claim 1 ,
wherein said filter element is a polarization filter.
7. The optoelectronic component as in claim 1 ,
wherein said filter element is a directional filter.
8. The optoelectronic component as in claim 7 ,
wherein said filter element comprises a plurality of structure elements.
9. The optoelectronic component as in claim 8 ,
wherein said structure elements are configured as cone-like, a pyramid-like, truncated-pyramid-like or prism-like.
10. The optoelectronic component as in claim 8 ,
wherein said structure elements are arranged in the manner of a two-dimensional grid.
11. The optoelectronic component as in claim 7 ,
wherein said filter element comprises a dielectric layer stack.
12. The optoelectronic component as in claim 1 ,
wherein said filter element contains a glass material.
13. The optoelectronic component as in claim 1 ,
wherein said filter element is implemented as disposed in or against said housing.
14. The optoelectronic component as in claim 13 ,
wherein said filter element is implemented as a cover of said housing.
15. The optoelectronic component as in claim 1 ,
wherein said filter element is spaced apart from said semiconductor body.
16. The optoelectronic component as in claim 15 ,
wherein the distance between said filter element and said semiconductor body is greater than 0 μm and less than or equal to 10 μm.
17. The optoelectronic component as in claim 1 ,
wherein a reflective layer is disposed on a side of said active region that faces said filter element.
18. The optoelectronic component as in claim 17 ,
wherein said reflective layer contains a metal.
19. The optoelectronic component as in claim 17 ,
wherein said reflective layer is implemented as a metallic layer.
20. The optoelectronic component as in claim 1 ,
wherein said semiconductor body is disposed on a carrier element.
21. The optoelectronic component as in claim 1 ,
wherein disposed between said active region and said filter element is a conversion element that converts the radiation generated by said active region into radiation of another wavelength.
22. The optoelectronic component as in claim 1 ,
wherein said semiconductor body is implemented as a thin-film semiconductor body.
23. The optoelectronic component as in claim 1 ,
wherein said component comprises a plurality of semiconductor bodies, each of which has an active region for generating electromagnetic radiation.
24. The optoelectronic component as in claim 23 ,
wherein said semiconductor bodies are disposed on a common carrier element.
25. The optoelectronic component as in claim 1 ,
wherein said component is an LED.
26. The optoelectronic component as in claim 1 ,
wherein said component emits incoherent radiation.