LED light recycling cavity with integrated optics
US8029164B2 · kind B2 · utility
7Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2008 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | Dec 4, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21K9/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting diode light source with mirrored surfaces is formed on a planar substrate which, when folded, forms both a light recycling cavity and an optical taper at the end of the light recycling cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.