申请人:Samsung Display Co., Ltd.
公开号:US20220077396A1
公开(公告)日:2022-03-10
A light emitting element of an embodiment includes a first electrode, a second electrode facing the first electrode, and functional layers disposed between the first electrode and the second electrode. At least one functional layer among the functional layers includes a monoamine compound of an embodiment thereby showing high efficiency and long life characteristics. The monoamine compound includes a substituted or unsubstituted phenanthryl group directly bonded to a nitrogen atom, a substituted or unsubstituted dibenzoheterole group directly bonded to the nitrogen atom, and a substituted or unsubstituted naphthyl group bonded to the nitrogen atom via a linker.
一个实施例的发光元件包括第一电极、面向第一电极的第二电极,以及设置在第一电极和第二电极之间的功能层。功能层中至少有一层包括一个实施例中的单胺化合物,从而显示出高效率和长寿命特性。该单胺化合物包括一个直接与氮原子键合的取代或未取代的菲基团,一个直接与氮原子键合的取代或未取代的二苯杂环基团,以及通过连接基团与氮原子键合的取代或未取代的萘基团。