Light emitting devices and applications thereof
US8721152B2 · kind B2 · utility
18Cited by
67References
46Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 3, 2010 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Sep 20, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0063
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.