Patent ID: 8865023

Claim:
A (halo)silicate-based phosphor represented by Formula 1 below; (Sr 16-x-y M y )Si a O b X c dN 2 O 3 :Eu 2+ z [Formula 1] wherein in Formula 1, M represents at least one kind of metal selected from the group consisting of Mg, Ca, and Ba, X represents F, Cl, Br or I, N represents at least one kind of metal selected from the group consisting of Y, La, Nd, Gd, Lu, B, Al, Ga and In, 0≦x≦14, 0≦y≦16, 0≦x+y≦16, 0<z≦1, 0.9<a≦6, 3<b≦24, 0<c≦8, and 0.5<d≦2.