申请人:SAMSUNG DISPLAY CO., LTD.
公开号:US20190123287A1
公开(公告)日:2019-04-25
A polycyclic compound may be represented by Formula 1 below. The polycyclic compound may improve the light emitting efficiency of a blue light emitting region, and an organic electroluminescence device including the polycyclic compound may have improved blue light emission, high external quantum efficiency, and long life. The polycyclic compound may be used as a thermally activated delayed fluorescence material, which emits blue light, to improve the blue light emitting efficiency of the organic electroluminescence device.
一个多环化合物可以用下面的公式1表示。该多环化合物可以提高蓝光发射区域的发光效率,并且包括该多环化合物的有机电致发光器件可以具有改善的蓝光发射、高外量子效率和长寿命。该多环化合物可以用作热激活延迟荧光材料,发出蓝光,以提高有机电致发光器件的蓝光发射效率。