申请人:Samsung Display Co., Ltd.
公开号:EP3800679A1
公开(公告)日:2021-04-07
An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4:
Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.
根据本公开的一个实施例,一种有机电致发光器件包括第一电极、第二电极和发射层。发射层包括宿主化合物和掺杂化合物。热化合物包括由式1表示的第一宿主化合物和由式2表示的第二宿主化合物,掺杂化合物包括由式3表示的辅助掺杂化合物和由式4表示的发光掺杂化合物:
因此,根据一个实施例的有机电致发光器件可实现高效率和长寿命。