Patent ID: 7955524
Filing Date: 2011-06-07
Classification: C09K,H01L

Abstract:
1. A phosphor represented by a general formula of: Ln is at least one metal element selected from a group consisting of Sc, Y, La, Pr, Nd, Gd, Ho, Yb and Sm; M is at least one metal element selected from a group consisting of Ca, Sr and Ba; M′ is at least one metal element selected from Al and Ga; A is at least one metal element selected from a group consisting of Li, Na, K, Mg, Ca, Sr and Ba; X is at least one element selected from F and Cl; R is at least one metal element selected from a group consisting of Ce, Eu, Tb and Mn; 0.01≦a≦2; 0.35≦b≦4; 0.01≦c≦1, 0.01≦d≦0.3; 0.01≦f≦3; and 0.6≦e≦2.4, wherein the phosphor is a member selected from the group consisting of: 1.47Y 1.47Y Y La 2.0Y 1.91Y 1.34Pr 0.818Y 0.297Y 0.01Y 1.473Nd 1.471Y 1.472Y 1.482Y 1.133Ho 0.8Y 1.47Y Yb Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 1.47Y 0.01Y 0.05Yb 0.1Y 0.5Y 1.0Y 2.0Y 0.01Sc 0.05Y 0.1Y 0.5Y 1.0La 2.0Y 0.47Pr 0.47Y 0.47Y 0.47Nd 0.44Y 0.44Y 0.41Y 0.41Y 0.38Y 0.38Y 0.35Y 0.35Pr 0.32Y 0.32Y 0.29Y 0.29Nd