Patent ID: 9115310
Filing Date: 2015-08-25
Classification: C09K,H01L

Abstract:
1. A fluorescent material, having a general formula of ((Lu m A 1-m ) z Ce 1-z ) 3 Q 5 O 12 , wherein 0<m<1, 0<z<1, A comprises element Y (yttrium) and element La (lanthanium), Q comprises at least one of element Al (aluminum), element Ga (gallium), and element In (indium), Lu is lutetium, O is oxygen, Ce is cerium, 0.1≦(1−m)*z*3≦0.21, and when the fluorescent material is excited by a light having a wavelength of 455 nm, the CIE 1931 chromaticity coordinates of an emitted light from the fluorescent material is 0.370<x<0.400 and 0.570<y<0.580.