Patent ID: 8273266
Filing Date: 2012-09-25
Classification: C09K

Abstract:
1. Luminescent materials for long-wave ultraviolet light or visible light excitation, comprising: activated inorganic mixed crystals containing copper, the luminescent materials having the following Formula 1 M′ is selected from the group consisting of Be, Mg, Ca, Sr, Ba, Zn, Cd, Mn, and a combination thereof; M″ is selected from the group consisting of Li, Na, K, Rb, Cs, Au, Ag, and a combination thereof; M′″ is selected from the group consisting of B, Al, Ga, In, and a combination thereof; M″″ is selected from the group consisting of Ge, V, Nb, Ta, W, Mo, Ti, Zr, Hf, and a combination thereof; M′″″ is selected from the group consisting of Bi, Sn, Sb, Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and a combination thereof; X is selected from the group consisting of F, CI, Br, I, and a combination thereof; 0<a≦2; 0<b≦8; 0≦c≦4; 0≦d≦2; 0≦e≦2; 0≦f≦2; 0<g≦10; 0<h≦5; 1≦o≦2; 1≦p≦5; 1≦x≦2; 1≦y≦5, and a ratio of (a+b):((c+2d)+2e+o×f+g) ranges from about 1.5:1 to about 2:1.