申请人:Samsung Display Co., Ltd.
公开号:US11165024B2
公开(公告)日:2021-11-02
An organic light-emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode; wherein the electron transport region comprises at least one first compound, the emission layer comprises at least one second compound, the first compound is represented by Formula 1, and the second compound is represented by one selected from Formulae 2-1, 2-2, and 2-3:
一种有机发光器件,包括第一电极、面对第一电极的第二电极、位于第一电极和第二电极之间的发射层、位于第一电极和发射层之间的空穴传输区以及位于发射层和第二电极之间的电子传输区;其中,电子传输区包括至少一种第一化合物,发射层包括至少一种第二化合物,第一化合物由式 1 表示,第二化合物由式 2-1、2-2 和 2-3 中选出的一种表示: