Patent ID: 8277686
Filing Date: 2012-10-02
Classification: C04B,C09K,H01L

Abstract:
1. Sialon phosphor particles represented by the formula: (wherein M is at least one metal selected from the group consisting of Li, Ca, Mg and Y, Ln is a lanthanide metal containing at least Eu, and assuming that the valence of the metal M is a and the valence of the lanthanide metal Ln is b, m=ax+by, x is 0<x, y≦2.0, 0.3≦m<4.5, 1.0≦n<2.5 and 1.0≦m/n≦2.0), wherein, in a surface analysis by X-ray photoelectron spectroscopy, a ratio between a peak area of 3d