Patent ID: 8133461
Filing Date: 2012-03-13
Classification: C09K,F21K

Abstract:
1. A cerium-doped, garnet-based phosphor having the formula: A is selected from the group consisting of Tb, Gd, Sm, La, Sr, Ba, Ca, and Mg, and where A substitutes for Y from in amounts ranging from about 0.1 to 100 percent; B is selected from the group consisting of Si, Ge, B, P, and Ga, and where B substitutes for Al in amounts ranging from about 0.1 to 100 percent; and C is selected from the group consisting of F, Cl, N, and S, and where C substitutes for O in amounts ranging from about 0.1 to 100 percent, wherein the garnet-based phosphor contains at least some Mg substituting for Y, at least some Si substituting for Al, and at least some F or Cl substituting for O.