Bipyridine derivatives and their uses for organic light emitting diodes
申请人:Samsung Electronics Co., Ltd.
公开号:US10988447B2
公开(公告)日:2021-04-27
A condensed cyclic compound represented by Formula 1:
Ar1-(L1)a1-B-(L2)a2-Ar2 Formula 1
wherein, in Formula 1, groups and variables are the same as described in the specification.