Patent ID: 7952266

Claim:
A white phosphor comprising: 40 to 45 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and combinations thereof; 30 to 40 parts by weight of a green phosphor selected from the group consisting of ZnS:(Cu,Al), ZnS:(Cu,Au,Al), and combinations thereof; and 20 to 25 parts by weight of a red phosphor selected from the group consisting of Y 2 O 3 :Eu, Y 2 O 3 :(Eu,Tb), Y 2 O 2 S:Eu, Y 2 O 2 S:(Eu,Tb), and combinations thereof.