Red phosphor and light emitting device including the same
US9653658B2 · kind B2 · utility
2Cited by
4References
10Claims
0Family size
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Key dates
| Filing date | May 28, 2015 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | May 28, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/73265
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A red phosphor including the composition represented by the following general formula.(x−a)MgO.(a/2)Sc2O3.yMgF2.cCaF2.(1−b)GeO2.(b/2)M2O3:zMn4+where x, y, z, a, b, and c satisfy 2.0≦x≦4.0, 0<y<1.5, 0<z<0.05, 0≦a<0.5, 0<b<0.5, 0≦c<1.5, and y+c<1.5, and M is at least one element selected from the group consisting of Al, Ga, and In.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.