Compound for thermally activated delayed fluorescence and organic electroluminescence device including the same
申请人:Samsung Display Co., Ltd.
公开号:US11018306B2
公开(公告)日:2021-05-25
Provided are a compound for thermally activated delayed fluorescence having a molecular aspect ratio of 1.5 or more, represented by the following Formula 1 and an organic electroluminescence device including the same in an emission layer. The organic electroluminescence device 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.
本发明提供了一种分子长宽比为 1.5 或更高的热激活延迟荧光化合物(如下式 1 所示),以及一种在发射层中包含该化合物的有机电致发光器件。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。