Patent ID: 8465166
Filing Date: 2013-06-18
Classification: C01B,C01P,C04B,C09K,H01L

Abstract:
1. An illumination system, comprising at least one luminescent material, the luminescent material comprising: wherein AE is an alkaline earth metal selected from the group consisting of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element selected from the group consisting of Al, B, Ga, Sc or mixtures thereof with 0.95≦2*(a+d1+d2)/(b+c+x+y)≦1.2, a+d (b+y):(c+x)≧1, (b+y)≦1+10*d b≧5*y, c≧10*x, 0.0001≦d