Disclosed are phosphor compositions doped with both Ce3+ and Eu2+ and light emitting devices including a semiconductor light source and the above phosphor. Also disclosed are phosphor blends of the above phosphors and one ore more additional phosphors and white light emitting devices incorporating the...http://www.google.fr/patents/US7229573?utm_source=gb-gplus-shareBrevet US7229573 - Ce3+ and Eu2+ doped phosphors for light generation
Ce3+ and Eu2+ doped phosphors for light generation