Phosphor
US7704411B2 · kind B2 · utility
4Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2008 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Apr 4, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/77342
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphor is provided. The phosphor includes a composition represented by the formula: M1O2.aM2O.bM3X2:M4,where M1 is at least one element selected from the group consisting of Si, Ge, Ti, Zr, and Sn; M2 is at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; M3 is at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; X is at least one halogen element; M4 is at least one element essentially including Eu2+ selected from the group consisting of rare-earth elements and Mn; a is in the range of 0.1≦a≦1.3; and b is in the range of 0.1≦b≦0.25.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.