;wherein in the formula [1], Ar1 and Ar2 each independently represent an aromatic hydrocarbon group or a heteroaromatic ring group, R1 to R4 are each independently selected from a hydrogen atom or a substituent, R1 and R2 and R3 and R4 each may form a benzene ring, wherein the benzene ring may have at least one substituent."/>
公开/公告号US2017012215A1
专利类型
公开/公告日2017-01-12
原文格式PDF
申请/专利权人 CANON KABUSHIKI KAISHA;
申请/专利号US201615205552
申请日2016-07-08
分类号H01L51;C07D263/32;H04N5/225;C07D263/56;H04N5/378;C07D277/22;C07D277/64;
国家 US
入库时间 2022-08-21 13:50:02