Light emitting device with blue light LED and phosphor components
US7126274B2 · kind B2 · utility
68Cited by
30References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2004 |
| Grant date | Oct 24, 2006 |
| Priority date | — |
| Expiry date | Jul 4, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emittng device according to one aspect of the present invention includes a first light emitting component including a light-emitting semiconductor layer that emits light in a blue region, a second light emitting component including a light-emitting semiconductor layer that emits light in a red region, and a phosphor capable of absorbing a part of light emitted by the first light emitting component and emitting light in a yellow region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.