申请人:Novaled GmbH
公开号:US10243146B2
公开(公告)日:2019-03-26
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.
本发明涉及磷光有机发光二极管(OLED),包括空穴传输层或空穴传输层和电子阻挡层,空穴传输层包括N,N,N′,N′-四芳基-3,5-苯二胺或N、N,N,N′,N′-四芳基-1,1′-联苯-3,3′-二胺基质化合物,以及新的 N,N,N′,N′-四芳基取代间位芳基二胺化合物,可用作磷光 OLED 中的空穴传输层和电子阻挡层基质。