Patent ID: 8154191
Filing Date: 2012-04-10
Classification: C09K,H01L,Y02B

Abstract:
1. A luminescent material, in particular a luminescent material used in light emitting devices including LED, characterized in that the luminescent material mainly comprises a silicate and an activating agent ion, and has a main chemical composition expressed by the following formula: wherein, A is selected from the group consisting of Sr, Ca, Ba, and combinations thereof; A′ is selected from the group consisting of Mg, Zn, and combinations thereof; Ln is ion(s) of at least one element selected from the group consisting of Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn and Pb; M is selected from the group consisting of Cl