Patent ID: 7011896
Filing Date: 2006-03-14
Classification: C09K,H05B,Y10S

Abstract:
1. A phosphor thin film comprising a matrix material and a luminescence center, said matrix material having the compositional formula: wherein M A is at least one element selected from the group consisting of Mg, Ca, Sr, Ba and rare earth elements, B is at least one element selected from the group consisting of Al, Ga and In, and v, x, y, z and w are representative of atomic ratios, v is from 0.005 to 5, x is from 1 to 5, y is from 1 to 15, z is more than 0 and not more than 30, and w is more than 0 and not more than 30, wherein in the compositional formula, v and x are such numbers that v/x is from 0.001 to 1.