Patent ID: 8207663
Filing Date: 2012-06-26
Classification: C04B,C09K,H01L

Abstract:
1. A phosphor composition comprising a compound represented by the formula (RE 2−x+y Ce x Ak 1−y )(MG 4−z−r Si r Mn z )(Si 1−e P e )O 12−r N r , wherein: RE comprises at least one rare earth metal; Ak comprises at least one alkaline earth metal; MG comprises at least one main group element; x is greater than 0 and less than or equal to 0.2; y is less than 1; z is greater than 0 and less than or equal to 0.8; e is about 0, or less than or equal to 0.16; r is about 0, or less than or equal to 1; and z is about the sum of e and y.