Patent ID: 8158025

Claim:
A phosphor composition, comprising: a first phosphor represented by Formula 1: Ba 1-b Mg 1-a Al 10 O 17 :Mn a ,Eu b (1) wherein, a and b satisfy the relations: 0.05≦a≦0.4, and 0.006≦b<0.05; and a second phosphor represented by at least one of Formulae 2 to 7: Zn 2 SiO 4 :Mn (2) YBO 3 :Tb (3) (Y 1-x-y Gd x Tb y )Al 3 (BO 3 ) 4 (4) wherein x and y satisfy the relations: 0≦x≦1, 0≦y≦1, and 0<x+y<1, Zn(Ga 1-z Al z ) 2 O 4 :Mn (5) wherein z satisfies the relation: 0≦z≦1, Li 2 Zn(Ge,θ) v O 8 :Mn (6) wherein θ includes Al or Ga, and v satisfies the relation: 3≦v≦4, (Y 3-w Ce w )Al 5 O 12 (7) wherein w satisfies the relation: 0≦w≦3.