公开(公告)号：US09780310B2

公开(公告)日：2017-10-03

申请号：US14783110

申请日：2014-04-18

Applicant: TOSOH CORPORATION

Inventor： Yuji Oka ,  Nobumichi Arai ,  Yuuichi Miyashita ,  Tadahiro Yotsuya ,  Kana Fujita ,  Naoki Uchida ,  Keisuke Nomura ,  Tsuyoshi Tanaka

IPC: C07D251/24 ,  C07D401/10 ,  C07D401/14 ,  C07D403/10 ,  C07D403/14 ,  H01L51/50 ,  H01L51/00 ,  C07D239/26 ,  C07D213/22

CPC classification number: H01L51/0067 ,  C07D213/22 ,  C07D239/26 ,  C07D251/24 ,  C07D401/10 ,  C07D401/14 ,  C07D403/10 ,  C07D403/14 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/5072 ,  H01L51/5092

Abstract: A novel heterocyclic compound for an organic electroluminescent device excellent in long service life and light-emitting characteristics is provided. A cyclic azine compound has at least one substituent (substituent B) selected from a specific group.