Patent ID: 8524118

Claim:
A nitride phosphor represented by Formula 1: M 1 a-z Ce z M 2 b-x M 3 x N c-y O y , Formula 1 wherein M 1 is at least one metal selected from the group consisting of Sc 3+ , Y 3+ , Lu 3+ , La 3+ , Pr 3+ , Sm 3+ , Gd 3+ , Tb 3+ , Yb 3+ , Dy n , and Eu 3+ , M 2 is at least one metal selected from the group consisting of Si 4+ and Ge 4+ , M 3 is at least one metal selected from the group consisting of Al 3+ , B 3+ , and Ga 3+ , a is equal to or greater than about 1.8 and equal to or less than about 2.2, b is equal to or greater than about 3.8 and equal to or less than about 4.2, c is equal to or greater than about 6.7 and equal to or less than about 7.3, x is equal to or greater than about 0.7 and less than about 3, y is equal to or greater than 0 and less than about 3, and z is greater than 0 and less than about 1.