DOPED GARNET FLUORESCENT SUBSTANCE HAVING RED SHIFT FOR PC LEDS

摘要

The invention relates to phosphors having a garnet structure of the formula I (Ya,Lub,Sec,Tbd,The,Irf,Sbg)3−x (Al5−yMgy/2Siy/2)O12:Cex (I), where +b+c+d+e+f+g+h+i=1×=0.005 to 0.1 and y=0 to 4.0, and to a process for the preparation of these phosphors and to the use as conversion phosphors for conversion of the blue or near-UV emission from an LED.