Red phosphor for fluorescent display and preparation method thereof
US6373184B1 · kind B1 · utility
37Cited by
5References
10Claims
0Family size
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Key dates
| Filing date | Nov 5, 1999 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Nov 5, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7703
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided with a phosphor for a fluorescent display that includes at least one divalent transition metal and at least two trivalent metal added to SrTiO3 and having a formula of:SrTi1−x−yMxNyO3:zPr3+wherein M represents the divalent transition metal selected from the group consisting of Zn, Mn, Co, Ni, Cu and Cd, N represents the trivalent metal selected from the group consisting of Ga, Al, In and B, and 0≦x≦0.1, 0≦y≦0.1 and 0≦z≦0.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.