ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Samsung Display Co., Ltd.
公开号:US20210143331A1
公开(公告)日:2021-05-13
An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer may include a polycyclic compound represented by Formula 1, thereby exhibiting high luminous efficiency:
wherein at least one selected from R
1
to R
3
is represented by Formula 2: