Extraction of light from a light conducting medium in a preferred emanation pattern
US8152348B2 · kind B2 · utility
6Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2007 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | May 25, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for extraction of light from a light conducting medium in a preferred emanation pattern are described. In one embodiment, the apparatus comprises a first light conducting sheet including aspherical particles, and a light source placed along the edge of the first sheet. The first sheet diffuses light generated by the light source such that light emanates in a predetermined light emanation pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.