| abstract |
Formula (1) Formula: (Sr 1- x , Eu x ) α Si β Al γ O δ N ω (1) (wherein x is 0 <x <1, α is 0 <α ≦ 4, β, γ, δ, and ω are europium activations in which the value converted when α is 3 is a number satisfying 9 <β≤15, 1≤γ≤5, 0.5≤δ≤3, and 10≤ω≤25). A phosphor comprising sialon crystals, the phosphor emitting green light by being excited by ultraviolet light or blue light, and containing carbon in a proportion of 1 ppm or more and 5000 ppm or less. |