Reduced phosphor lighting devices
US9897276B2 · kind B2 · utility
1Cited by
1References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2011 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Jun 1, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device comprising a solid-state light source, and a diffuser configured for color mixing of the light from the solid-state light source and spatially separated therefrom, the diffuser comprising at least one phosphor material. Methods of fabricating a lighting device having a reduced total amount of phosphor comprising combining an amount of phosphor with a diffuser structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.