Light emitting devices with improved extraction efficiency
US6831302B2 · kind B2 · utility
192Cited by
16References
90Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2003 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Nov 26, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/872
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Light-emitting devices, and related components, systems and methods are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.