Patent ID: 7674400

Claim:
A light-emitting body, comprising phosphor particles dispersed in an oxide matrix, the phosphor particles containing at least one selected from an oxide and an oxysulfide as a parent material, the light-emitting body having a shape of flake or fiber, wherein: the parent material comprises at least one selected from silicate, aluminate and oxysulfide; the silicate is at least one selected from Ca 2 Al 2 SiO 7 and Y 2 SiO 5 ; the aluminate is at least one selected from SrAl 2 O 4 , Sr 4 Al 14 O 25 , and BaMg 2 Al 16 O 27 ; and the oxysulfide is at least one selected from Y 2 O 2 S and La 2 O 2 S.