Matrix material including an embedded dispersion of beads for a light-emitting device
US8324641B2 · kind B2 · utility
20Cited by
17References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2007 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Jan 24, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A light-emitting device has a light source disposed on a support. A matrix material including a dispersion of beads is disposed over the light source. The refractive index of the beads is different from the refractive index of the matrix material. The light source may include an LED. The matrix material may include a lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.