Red-emitting phosphors and associated devices
US9567516B2 · kind B2 · utility
4Cited by
20References
11Claims
0Family size
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Key dates
| Filing date | Jun 12, 2014 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Sep 25, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for synthesizing a manganese (Mn4+) doped phosphor includes milling particles of the a phosphor precursor of formula I, and contacting the milled particles with a fluorine-containing oxidizing agent at an elevated temperatureAx[MFy]:Mn4+ (I)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.