Oxycarbonitride phosphors and light emitting devices using the same

A light emitting device comprising:

• a light source emitting a first luminescence spectrum;
• a phosphor composition, which, when irradiated with light from the light source, emits light having a second luminescence spectrum;
• wherein a phosphor composition comprises at least one phosphor selected from the group consisting of:
• M(II)7Al12−x−ySix+yO25−xNx−yCy:A, wherein 0<x≦12, 0<y<x, and 0<x+y≦12;
• (a)
• M(II)7M(III)12−x−ySix+yO25−xNx−yCy:A, wherein 0<x≦12, 0<x+y≦12, and 0<y<x;
• (b)
• M(II)7M(III)12−x−ySix+yO25−x±3δ/2Nx±δ−yCy:A, wherein 0<x<12, 0≦y<x, 0<x+y≦12, 0<δ≦3, and δ<x+y;
• (c)
• M(II)7M(III)12−x−ySix+yO25−x±δ/2Nx±δ−yCy±δ/2:A, wherein 0≦x<12, 0≦y<x, 0<x+y≦12, 0<δ≦3, and δ<x+y;
• (d)
• M(II)7−yM(I)yM(III)12−x−y−zSix+y+zO25−x±3δ/2Nx±δ−zCz:A, wherein 0<x<12, 0≦y<x, 0<z<x, 0<x+y+z±12, z<x+δ, and 0<δ≦3;
• (e)
• M(II)7−yM(I)yM(III)12−x−y−zSix+y+zO25−x±δ/2Nx±δ−zCz±δ/2:A, wherein 0<x<12, 0≦y<x, 0<z<x, 0<x+y+z≦12, z<x+δ, and 0<δ≦3;
• (f)
• M(II)7−yM(I)yM(III)12−x−y−zSix+y+zO25−x−v/2±3δ/2Nx±δ−zCzDv:A, wherein 0<x<12, 0≦y<1, 0<z<x, z<x+δ, 0<δ≦3, 0≦v<1, and 0<x+y+z≦12;
• (g) and
• M(II)7−yM(I)yM(III)12−x−y−zSix+y+zO25−x−v/2±δ/2Nx±δ/2Dv:A, wherein 0<x<12, 0≦y<1, 0<z<x, z<x+δ, 0<δ≦3, 0≦v<1, and 0<x+y+z≦12;
• (h)
• wherein:
• M(II) comprises at least one divalent cation selected from the group consisting of Be, Mg, Ca, Sr, Ba, Cu, Co, Ni, Pd, Zn, and Cd;
• M(I) comprises at least one monovalent cation selected from the group consisting of Li, Na, K, Rb, Cu, Ag and Au;
• M(III) comprises at least one trivalent cation selected from the group consisting of B, Al, Ga, In, Sc, Y, La and Gd;
• D comprises at least one monovalent anion selected from the group consisting of F, Cl, Br and I;
• and
• A comprises a luminescence activator doped in the crystal structure, wherein the luminescence activator is selected from the group consisting of Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Mn, Bi, and Sb.