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21.
公开(公告)号:US20190312210A1
公开(公告)日:2019-10-10
申请号:US16298942
申请日:2019-03-11
Applicant: Samsung Display Co., Ltd.
Inventor: Nobutaka AKASHI , Yuji SUZAKI
IPC: H01L51/00 , C07F5/02 , C07D519/00 , C07F7/08 , C09K11/06
Abstract: An organic electroluminescence device 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 includes a polycyclic compound represented by Formula 1. In Formula 1, X1 may be C, Si or Ge; and AC may be an electron acceptor.