申请人:Hodogaya Chemical Co., Ltd.
公开号:US10593884B2
公开(公告)日:2020-03-17
In the organic electroluminescent device having at least an anode, a hole injection layer, a first hole injection layer, a second hole injection layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor.
In the formula, Ar1 to Ar4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.
在有机电致发光器件中,至少有一个阳极、一个空穴注入层、一个第一空穴注入层、一个第二空穴注入层、一个发光层、一个电子传输层和一个阴极,空穴注入层包括以下通式(1)的芳基胺化合物和一个电子受体。
式中,Ar1 至 Ar4 可以相同或不同,代表取代或未取代的芳香烃基团、取代或未取代的芳香杂环基团或取代或未取代的缩合多环芳香基团。