Patent ID: 8957447
Filing Date: 2015-02-17
Classification: C04B,C09K,H01L

Abstract:
1. A phosphor which exhibits a luminescence peak within a wavelength range of 500 to 600 nm when excited with light having an emission peak within a wavelength range of 250 to 500 nm, comprising a composition represented by Formula 1 below and a crystalline aspect ratio of 1.5 to 10: wherein M represents Sr and a part of Sr may be substituted by at least one selected from Ba, Ca and Mg; and x, y, z, u and w satisfy the following conditions: 0<x≦1, 0.8≦y≦1.1, 2≦z≦3.5, 0<u≦1 1.8≦z−u, and 13≦u+w≦15.