Patent ID: 7252787

Claim:
A lighting apparatus for emitting white light comprising: a light source emitting radiation at from about 250 nm to about 550 nm; and a phosphor composition radiationally coupled to the light source, the phosphor composition comprising (Y 1-x-y-z Tb x Gd y Ce z ) 3 (M 1 M 2 ) t (Al 1-r-s Ga r In s ) A-2t O 12+D , where M 1 is Mg or Zn, M 2 is Si or Ge, 0<x+y<1, 0.01<z<0.1, 0.1<t<1.5, 0<r, s<0.5, 4.5<A<5.0, and −1<D<1.