Phosphor-dispersed glass
AssigneeCentral Glass Company, Limited
InventorsTakahisa Kida, Jun Hamada
Life of this patent
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Abstract
Disclosed is a phosphor-dispersed glass, including: a glass material; and a phosphor dispersed in the glass material, wherein the glass material is substantially free of Nb2O5 and contains: 15 to 40 mass % of SiO2; 10 to 30 mass % of B2O3; 1 to 35 mass % of ZnO; 0 to 20 mass % of Al2O3; 2 to 30 mass % in total of at least one kind selected from the group consisting of BaO, CaO and SrO; 0 to 1 mass % of MgO; 5 to 35 mass % in total of R2O (at least one selected from the group consisting of Li2O, Na2O and K2O); and 0 to 15 mass % in total of at least one of antimony oxide and tin oxide.
Claims7
A phosphor-dispersed glass, comprising:
- a glass material;
- and a phosphor dispersed in the glass material,
- wherein the glass material is substantially free of Nb2O5 and contains:
- 15 to 40 mass % of SiO2;
- 10 to 30 mass % of B2O3;
- 1 to 35 mass % of ZnO;
- 0 to 20 mass % of Al2O3;
- 2 to 30 mass % in total of at least one kind selected from the group consisting of BaO, CaO and SrO;
- 0 to 1 mass % of MgO;
- 5 to 35 mass % in total of R2O (at least one selected from the group consisting of Li2O, Na2O and K2O);
- and
- 0 to 15 mass % in total of at least one of antimony oxide and tin oxide.
Dependencies are inferred from the claim text.