摘要 |
A phosphor blend comprises at least two phosphors each selected from one of the groups of phosphors that absorb UV electromagnetic radiation and emit in a region of visible light. The phosphor blend can be applied to a discharge gas radiation source to produce light sources having high color rendering index. A phosphor blend is advantageously includes the phosphor (Tb,Y,Lu,La,Gd)<SUB>x</SUB>(Al,Ga)<SUB>y</SUB>O<SUB>12</SUB>:Ce<SUP>3+</SUP>, wherein x is in the range from about 2.8 to and including 3 and is in the range from about 4 to and including 5.
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