| abstract |
A luminescent material is provided, which includes a carbide oxynitride-based compound having a composition represented by formula 1: n (M 1−w R w ) u Al 1−x Si 1+v O z N t C y formula 1 n wherein M is at least one metal element excluding Si and Al, and R is a luminescent central element. w, u, x, v, z, t and y satisfy following relationships: 0.001<w<0.5; 0.66≦u≦1; 0.07≦x≦0.73; 0.06≦v≦0.84; 0.04≦z≦0.44; 2.7≦t≦3.1; and 0.019≦y≦0.13. |