Efficient, green-emitting phosphors, and combinations with red-emitting phosphors
US7427366B2 · kind B2 · utility
14Cited by
69References
12Claims
0Family size
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Key dates
| Filing date | Jul 5, 2005 |
| Grant date | Sep 23, 2008 |
| Priority date | — |
| Expiry date | Aug 9, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8512
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided among other things is a phosphor of the formulaSr1-x3Cax3Ga2S4:Eu:xGa2S3 (I)wherein x is 0 to about 0.2 (or about 0.0001 to about 0.2), wherein x3 is 0.0001 to 1, and wherein a minor part of the europium component is substituted with praseodymium in an efficiency enhancing amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.