Illumination apparatus and methods of forming the same
US8579466B2 · kind B2 · utility
4Cited by
182References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2012 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Aug 24, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133615
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide. The photoluminescent material includes nano-size phosphor particles and/or quantum dots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.