Patent ID: 8178002

Claim:
A material comprising a phosphor comprising a general formula of: A a-b-c B d C e (O f-g N g ):Eu b ,RE c , wherein: A comprises Sr, Ca, Ba, or a combination of these metals; B comprises Mg, Zn, Co, or a combination thereof; C comprises Si, Ge, or a combination thereof; a is between 1 and 2.0; b is between 0.0005 and 0.1; c is between 0.0005 and 0.1; d is between 0.9 and 1; e is between 2 and 2.1; f is between 6 and 7; g is between 0.001 and 0.1; and RE is Dy, Nd, Er, Ho, Tm, Yb or a combination thereof.