Patent ID: 7927512
Filing Date: 2011-04-19
Classification: C09K,H01L

Abstract:
1. A phosphor that is represented by the general formula M 1 5−x Eu x M 2 m M 3 n O 2m+(3/2)n+5 where x, m and n fall within ranges 0.0001≦x≦0.3, 1.0≦m<2.5 and 0≦n<2.5, M 1 is at least one element selected from the group consisting of Mg, Ca, Sr, Ba and Zn, M 2 is at least one element selected from the group consisting of Si, Ge and Sn, and M 3 is at least one element selected from the group consisting of B, Al, Ga, In and rare earth elements.