申请人:SAMSUNG DISPLAY CO., LTD.
公开号:US10756274B2
公开(公告)日:2020-08-25
An organic light-emitting device including a first electrode; a second electrode; emission units stacked between the first electrode and the second electrode and including at least one emission layer; and charge generation layers between two adjacent emission units, the charge generation layers each including an n-type charge generation layer and p-type charge generation layer, a maximum emission wavelength of light emitted by at least one of the emission units is different from that of another emission unit, one n-type charge generation layer includes a first compound and a metal-containing material, the first compound being represented by Formula 1, the p-type charge generation layers include an amino group-free compound, at least one of the emission units further includes a hole transporting (HT)-emission auxiliary layer on a first electrode side thereof, and the HT-emission auxiliary layer includes at least one second compound, the second compound being represented by Formula 2:
一种有机发光器件,包括第一电极;第二电极;堆叠在第一电极和第二电极之间并包括至少一个发射层的发射单元;相邻两个发射单元之间的电荷发生层,电荷发生层各包括一个 n 型电荷发生层和一个 p 型电荷发生层,至少一个发射单元发出的光的最大发射波长不同于另一个发射单元,其中一个 n 型电荷发生层包括一个第一化合物和一个含金属材料、第一化合物由式 1 表示,p 型电荷发生层包括不含氨基的化合物,至少一个发射单元进一步包括位于其第一电极侧的空穴传输(HT)发射辅助层,HT-发射辅助层包括至少一种第二化合物,第二化合物由式 2 表示: