abstract |
Disclosed is an oxynitride phosphor which enables to reduce production cost and color shift. Also disclosed is a light-emitting device. Specifically disclosed is a phosphor (11) represented by the following general formula: (Ca1-zYz)x(Si,Al)12(O,N)16:Eu2+y wherein 0 < z < 0.15. The main phase of the phosphor (11) has an alpha-sialon crystal structure. |