Patent ID: 8153024
Filing Date: 2012-04-10
Classification: C09K,H01L,Y02B

Abstract:
1. An orange-yellow phosphor powder is a rare-earth aluminate having a garnet structure, which is characterized in that its chemical composition has compounds of the IV and V groups elements and the stoichiometry formula of the orange phosphor powder is (ΣLn) 3-x Me IV x Al 5-y Si y O 12-(x+y) N x+y , wherein Ln is one or more members selected from the group consisting of Y, Gd, Ce, Lu, and Tb, and Me IV is one or more members selected from the group consisting of Zr and Hf, and the stoichiometry indices are 0.001≦x≦0.1 and 0.001≦y≦0.1.