Fay Sharpe LLP
Garnet phosphor materials having enhanced spectral characteristics
Phosphor compositions having the formula (Y1-x-y-zTbxGdyCez)3(M1M2)t(Al1-r-sGarIns)A-2tO12+D, where M1 is Mg or Zn, M2 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. Also disclosed are light emitting devices including a light source and at least one phosphor having the above formula. Such phosphors exhibit a deeper red emission when compared to conventional TAG phosphors, allowing the production of white light sources having improved properties.
General Electric Company
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Alok Mani Linda Holly Ann Shankar Gopi Anant Achyut Dan
Srivastava Briel Comanzo Venugopal Chandran Setlur Hancu