申请人:Novaled AG
公开号:EP2722908A1
公开(公告)日:2014-04-23
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.
本发明涉及包括一个孔传输层或一个孔传输层和一个电子阻挡层的磷光有机发光二极管(OLEDs),其中所述层包括N,N,N',N'-四芳基-苯基-3,5-二胺或N,N,N',N'-四芳基-1,1'-联苯-3,3'-二胺基质化合物,并且涉及新的N,N,N',N'-四芳基取代的m-芳撑二胺化合物,用作磷光OLEDs中的孔传输和电子阻挡层基质。