Patent ID: 9120975
Filing Date: 2015-09-01
Classification: C09K,H01L,H05B

Abstract:
1. A cerium-activated, yellow-green to yellow-emitting lutetium aluminate-based phosphor having the formula (Lu 1-x-y A x Ce y ) 3 B z D 5 O 12 C w and wherein: A is at least one of Sc, La, Gd and Tb; B is at least one of Mg, Sr, Ca, and Ba; C is at least one of F, Cl, Br, and I; D is at least one of Al, Ga, Si and Ge; 0.001≦x≦1.0; 0.001≦y≦0.2; 0.001≦z≦0.5; and 2z>w≧2zp, wherein p is chosen from the group consisting of 0.50, 0.75, 0.90 and 0.95.