申请人:Novaled GmbH
公开号:US10868254B2
公开(公告)日:2020-12-15
The present invention relates to phosphorescent organic light-emitting diodes (OLEDs) including a hole-transporting or a hole-transporting and an electron-blocking layer including 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空穴传输层或一个空穴传输和电子阻挡层的磷光有机发光二极管(OLED),其中包括一种N,N,N′,N′-四芳基苯基-3,5-二胺或一种N,N,N′,N′-四芳基-1,1′-联苯-3,3′-二胺基基质化合物,并且涉及新的N,N,N′,N′-四芳基取代的m-芳香族二胺化合物,可用作磷光OLED中的空穴传输和电子阻挡层基质。