Patent ID: 8324798

Claim:
A lighting apparatus comprising: a light source configured to emit radiation having a wavelength of peak emission between about 360 nm and about 500 nm; a first phosphor configured to receive at least a portion of the radiation emitted by the light source, wherein the first phosphor has a first wavelength of peak emission between about 495 nm and about 600 nm; and a second phosphor configured to receive at least a portion of the radiation emitted by the light source, wherein the second phosphor is represented by the formula RE 2-x-y CaMg 2 Si 3 O 12 :Ce x ,A y , wherein: RE is a rare earth metal element selected from the group consisting of Lu, Y, Sc and Tb; A is a co-dopant selected from the group consisting of Pr, Cr, Mn and Tb; x is greater than 0 and less than about 1.0; and y is greater than 0 and less than about 0.2.