Patent ID: 8211334

Claim:
A phosphor activated by europium and rare earth ions, said phosphor selected from phosphors of formula I and phosphors of formula II; M 1 F 2 -M 1 S: Eu 2+ , Ln 3+ (I) M 2 3 M 3 2 O 5 X 2 : Eu 2+ , Ln 3+ (II) wherein M 1 is Ba, Sr, Ca, Zn, Mg, or a combination thereof; M 2 is Ba, Sr, Ca, Mg, Zn, or a combination thereof; M 3 is Al, Ga, B, In, or a combination thereof; X is F, Cl, Br, I, or a combination thereof; and Ln is Dy, Yb, Tm, Er, Ho, Sm, Nd, or a combination thereof.