Apparatus for providing a light source in the form of a surface that allows almost all external light to pass through without being dispersed
US8998477B2 · kind B2 · utility
1Cited by
12References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2006 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Jan 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0071
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for providing a light source in the form of a surface are disclosed. In one embodiment, the apparatus comprises a first sheet including a light diffuser, and a light source placed along an edge of the first sheet. The first sheet diffuses light generated by the light source, wherein the distribution of light diffusing particles is varied throughout the light diffuser to emanate a predetermined light pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.