Phosphor, method for producing the same and light-emitting device using the same
US8608980B2 · kind B2 · utility
2Cited by
3References
4Claims
0Family size
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Key dates
| Filing date | Feb 12, 2013 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | Feb 12, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8512
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for providing a phosphor, including a kneading step in which a raw material is kneaded to provide a raw material mixture; a sintering step in which the raw material mixture is sintered; and a heat treatment step in which the sintered raw material mixture is heat-treated, wherein the raw material includes at least one or more M-containing materials selected from MSi2, MSiN2, M2Si5N8, M3Al2N4 and MSi6N8, wherein M is one or more divalent elements selected from M(0) and M(1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.