Encapsulant shapes for light emitting devices lacking rotational symmetry designed to enhance extraction of light with a particular linear polarization
US7819557B2 · kind B2 · utility
2Cited by
1References
9Claims
0Family size
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Key dates
| Filing date | Jun 24, 2008 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Apr 25, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/853
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The light-emitting device includes a light source and a transparent encapsulating material that is shaped to modify the polarization anisotropy of light emitted by the light source in at least one direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.