Patent ID: 8158028
Filing Date: 2012-04-17
Classification: C09K

Abstract:
1. A luminescent material for an LED, comprising: a compound including a host lattice and a luminescent ion, wherein the host lattice comprises copper ions and oxygen, and wherein the compound has the formula wherein M′ is Cu, or a combination of Cu and Pb; M″ is Be, Mg, Ca, Sr, Ba, Zn, Cd, Mn, or any combination of thereof; M′″ is B, Ga, In, or any combination thereof; M″″ is Si, Ge, Ti, Zr, Hf, or any combination thereof; M′″″ is a combination of at least one of Y, Gd, and Lu and at least one of Bi, Sn, Sb, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb; 0<a≦1; 0≦b≦2; 0<c≦8; 0≦d≦1; 0≦e≦1; 0<f≦2; 1≦x≦2; and 1≦y≦5.