Novel phosphor systems are disclosed having the formula A2SiO4:Eu2+D, where A is at least one of a divalent metal selected from the group consisting of Sr, Ca, Ba, Mg, Zn, and Cd; and D is a dopant selected from the group consisting of F, Cl, Br, I, P, S, N, and B. In one embodiment, the novel phosphor...http://www.google.fr/patents/US20080116786?utm_source=gb-gplus-shareBrevet US20080116786 - NOVEL SILICATE-BASED YELLOW-GREEN PHOSPHORS
Numéro de demande: 11/963,994 Numéro de publication: US 2008/0116786 A1 Date de dépôt: 24 déc. 2007 Brevet délivré: US8017035 ( Date de délivrance 13 sept. 2011)