Devices including green-emitting phosphors
AssigneeGeneral Electric Company
InventorsSamuel Joseph Camardello, Anant Achyut Setlur
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Abstract
A device including an LED light source optically coupled to a phosphor material including a green-emitting phosphor selected from the group consisting of compositions (A1)-(A62) and combinations thereof.
Claims24
A device comprising an LED light source optically coupled to a phosphor material comprising a green-emitting phosphor that absorbs radiation in a wavelength range between about 400 nm and 470 nm and has an emission peak centered in a wavelength range from about 510 nm to about 540 nm, wherein the green emitting phosphor is selected from the group consisting of:
- (A1). AUSiO6, where A is Cs, Rb, or a combination thereof;
- (A10). Na3A3(UO2)3(Si2O7)2-2H2O, where A is K, Rb, or a combination thereof;
- (A11), A3(U2O4)Ge2O7, where A is Rb, Cs, or a combination thereof;
- (A18). K8(K5F)U6Si8O40;
- (A19). Na9F2(UO2)3(Si2O7)2;
- (A28). Na6Rb4(UO2)4Si12)33;
- (A29). Cs2K(UO2)2Si4O12;
- (A34). CS3(UO2)2(PO4)O2;
- (A35). Cs2(UO2)2(PO4)2;
- (A36). Cs2UO2Cl4;
- (A37). Ba3(UO2)2(HPO4)2(PO4)2;
- (A39). Na7(UO2)3(UO)2Si4O16.
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A device comprising an LED light source optically coupled to a phosphor material comprising a green-emitting phosphor that absorbs radiation in a wavelength range between about 400 nm and 470 nm and has an emission peak centered in a wavelength range from about 510 nm to about 540 nm, wherein the green-emitting phosphor is selected from the group consisting of:
- (A18). K8(K5F)U6Si8O40;
- (A19). Na9F2(UO2)3(Si2O7)2;
- (A28). Na6Rb4(UO2)4Si12)33;
- (A29). Cs2K(UO2)2Si4O12;
- (A34). CS3(UO2)2(PO4)O2;
- (A35). Cs2(UO2)2(PO4)2;
- (A36). Cs2UO2Cl4;
- (A37). Ba3(UO2)2(HPO4)2(PO4)2;
- (A39). Na7(UO2)3(UO)2Si4O16.
A device comprising an LED light source optically coupled to a phosphor material comprising a green-emitting phosphor selected from the group consisting of:
- (A1) AUSiO6, where A is Cs, Rb, or a combination thereof;
- (A10) Na3A3(UO2)3(Si2O7)2-2H2O, where A is K, Rb, or a combination thereof;
- and (A11) A3(U2O4)Ge2O7, where A is Rb, Cs, or a combination thereof.
Dependencies are inferred from the claim text.