[EN] PHOSPHORESCENT OLED AND HOLE TRANSPORTING MATERIALS FOR PHOSPHORESCENT OLEDS<br/>[FR] DELO PHOSPHORESCENTE ET MATÉRIAUX DE TRANSPORT DE TROUS POUR DELO PHOSPHORESCENTES
申请人:NOVALED GMBH
公开号:WO2014060526A1
公开(公告)日:2014-04-24
The present invention relates to phosphorescent organic light-emitting diodes (OLEDs) comprising a hole-transporting or a hole-transporting and an electron-blocking layer comprising an N,N,N',N'-tetraaryl-phenylene-3,5-diamine or an N,N,N',N'-tetraaryl-1,1'-biphenyl-3,3'-diamine matrix compound and to new N,N,N',N'-tetraarylsubstituted m-arylene diamine compounds useful as hole-transporting and electron-blocking layer matrices in phosphorescent OLEDs.