abstract |
The present invention provides an oxynitride phosphor and a light emitting device in which manufacturing cost can be reduced and chromaticity difference is low. Phosphor 11 of the present invention is represented by the general formula (Ca 1 - z Y z ) x (Si, Al) 12 (O, N) 16 : Eu 2 + y , the main phase is an alpha sialon crystal structure, 0 <z <0.15.n n n n Lighting, diode, luminescence, oxynitride, alpha sialon, phosphor |