Light emitting device having semiconductor laser and fluorescent material and method for manufacturing the same
US8274209B2 · kind B2 · utility
1Cited by
0References
4Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Mar 17, 2010 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Jul 1, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/32341
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light emitting device, includes: a casing; a window; a semiconductor laser provided in an enclosed space formed by the casing and the window; and a fluorescent material in a form of any one of a crystal and glass, the fluorescent material being provided in the enclosed space, the fluorescent material absorbing laser light emitted from the semiconductor laser and emitting secondary light having a wavelength different from a wavelength of the laser light, and the secondary light being taken out through the window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.