abstract |
Provided are an oxynitride phosphor and a light-emitting device that can suppress manufacturing costs and have reduced chromaticity deviation. Formula (Ca 1-z Y z) x (Si, Al) 12 (O, N) 16: represented by Eu 2+ y, the main phase has an alpha SiAlON crystal structure, with 0 <z <0.15 A certain phosphor 11 is provided. |