Patent ID: 8440105

Claim:
A white light emitting device comprising: a light emitting diode; and a phosphor represented by Formula 1: (A 1−(a+b) Eu a Ln b ) 1−x (B 1−c Mn c ) 2 Al (6+b−2x) Si (9−b+2x) O 30 Formula 1 wherein A comprises at least one element selected from the group consisting of Ca, Sr and Ba, Ln comprises at least one metal selected from the group consisting of a trivalent rare earth metal, B comprises at least one element selected from the group consisting of Mg, Zn, Ge and Co, and a is greater than 0 and equal to or less than about 0.5, b is 0 to about 0.25, c is greater than 0 and less than about 0.8, and x is 0 to about 0.2.