Patent ID: 9062253
Filing Date: 2015-06-23
Classification: C09K,H01L

Abstract:
1. A phosphor composition comprising: a rare-earth element or manganese (Mn) employed in a compound represented by the following equation: L being one or more elements selected from a group consisting of lanthanum (La), yttrium (Y), gadolinium (Gd) and lutetium (Lu), the rare-earth element selected from one or more of: cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu), gadolinium (Gd), dysprosium (Dy), terbium (Tb), holmium (Ho), erbium (Er), thulium (Tm), and ytterbium (Yb), wherein the composition is in a particle form, the particle having at least a portion of a plane perpendicular to a [001] direction to be flat thereon so as to have a crystal plane.