The invention relates to an improved red light emitting material of the formula MI4-xMIIXSi6N10+xO1-x This material opens the way to single phosphor warm white emitting LEDs as could be found with the material Ba1.746Ca2.134Si6N10.08O0.92:Eu0.04Ce0.08.
申请公布号
AT504640(T)
申请公布日期
2011.04.15
申请号
AT20080709917T
申请日期
2008.01.30
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.
发明人
SCHMIDT, PETER J.;STADLER, FLORIAN;SCHNICK, WOLFGANG
