Phosphor, production method thereof and light emitting instrument
US7431864B2 · kind B2 · utility
13Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 2007 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Feb 9, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/181
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention aims at providing a blue-aimed phosphor powder which is more excellent in emission characteristic than the conventional rare-earth activated sialon phosphors and which is more excellent in durability than the conventional oxide phosphors.The solving means resides in:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.