ORGANIC ELECTROLUMINESCENCE DEVICE AND DIAMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Samsung Display Co., Ltd.
公开号:EP3828161A2
公开(公告)日:2021-06-02
An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a diamine compound represented by Formula 1, thereby showing high emission efficiency:
一个实施例中的有机电致发光器件包括第一电极、设置在第一电极上的空穴传输区、设置在空穴传输区上的发射层、设置在发射层上的电子传输区以及设置在电子传输区上的第二电极,其中空穴传输区包括由式 1 表示的二胺化合物,从而显示出较高的发射效率: