Phosphor for light sources and associated light source

摘要

A phosphor for light sources, the emission from which lies in the short-wave optical spectral region, as a garnet structure A₃B₅O₁₂. It is activated with Ce, the second component B representing at least one of the elements Al and Ga, and the first component A is terbium or terbium together with at least one of the elements Y, Gd, La and/or Lu. In a preferred embodiment, a phosphor having a garnet of structure (Tb_1-x-yRE_xCe_y)₃(Al,Ga)₅O₁₂, where RE=Y, Gd, La and/or Lu; 0<=x<=0.5-y; 0