Luminescent material based on lanthanum oxysulphide for a cathode tube screen which can be used in holographic devices
摘要
The invention relates to a luminescent material based on lanthanum oxysulphide for a cathode tube screen which can be used in holographic devices and which has the following chemical composition: La2(1-x-y)Eu2xTm2yO2S with: 0.0005 </= x </= 0.020 and 0.001 </= y </= 0.010. <IMAGE>
申请公布号
FR2647803(A1)
申请公布日期
1990.12.07
申请号
FR19890007080
申请日期
1989.05.30
申请人
THOMSON TUBES ELECTRONIQUES
发明人
PIERRE-PAUL JOBERT, CLAUDE FOUASSIER, JEAN-PIERRE GALVES, ALAIN GARCIA ET FRANCOIS GUILLEN;FOUASSIER CLAUDE;GALVES JEAN-PIERRE;GARCIA ALAIN;GUILLEN FRANCOIS
