Fay Sharpe LLP
Red phosphor for LED based lighting
Disclosed are phosphor compositions having the formula (RE1-yCey)Mg2-xLixSi3-xPxO12, where RE is at least one of Sc, Lu, Gd, Y, and Tb, 0.0001<x<0.1 and 0.001<y<0.1. When combined with at least one additional phosphor and subjected to radiation from a blue or UV LED, these phosphors can provide white light sources with good color quality having high CRI over a large color temperature range. Also disclosed are blends of the above phosphors and additional phosphors.
Lumination LLC
H Y H H C H
H01L Y02B H01L H01L C09K H05B
additional additional additional additional inventional inventional
Alok Mani Anant Achyut Holly Ann
Srivastava Setlur Comanzo