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US 2021/0130689 A1Published application
Phosphor, production method for same, and light-emitting device
AssigneeDenka Company Limited
InventorsMasato AKABANE, Ryo YOSHIMATU, Hiroaki TOYOSHIMA, Motoi TANAKA
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Abstract
A phosphor including a fired product having a composition represented by general formula M1aM2bM3cAl3N4-dOd, wherein M1 is one or more elements selected from Sr, Mg, Ca, and Ba, M2 is one or more elements selected from Li, Na, and K, and M3 is one or more elements selected from Eu, Ce, and Mn, and wherein a, b, c, and d satisfy each of the following formulas: 0.850≤a≤1.150, 0.850≤b≤1.150, 0.001≤c≤0.010, 0.10<d≤0.20, and 0.09≤d/(a+d)<0.20.
Claims7
A phosphor comprising a fired product having a composition represented by general formula M1aM2bM3cAl3N4-dOd,
- wherein M1 is one or more elements selected from Sr, Mg, Ca, and Ba, M2 is one or more elements selected from Li, Na, and K, and M3 is one or more elements selected from Eu, Ce, and Mn, and
- wherein a, b, c, and d satisfy each of the following formulas:
- 0.850≤a≤1.150,
- 0.850≤b≤1.150,
- 0.001≤c≤0.010,
- 0.10<d≤0.20, and
- 0.09≤d/(a+d)<0.20.
4 more elements
Dependencies are inferred from the claim text.