2,2′-bibenzo[D]imidazolidene compound having heteromonocyclic groups at the 1-, 1′-, 3- and 3′- positions, and organic light-emitting element and display device containing the same

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United States of America Patent

PATENT NO 10193084
APP PUB NO 20180294418A1
SERIAL NO

15569675

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Abstract

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A 2,2′-bibenzo[d]imidazolidene compound expressed by the following general formula (1). In general formula (1), Ar1 to Ar4 each represent a substituted or unsubstituted heteromonocyclic group. R1 to R8 each represent a hydrogen atom or a substituent.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kamatani, Jun Tokyo, JP 277 4420
Miyashita, Hirokazu Tokyo, JP 97 171
Nishide, Yosuke Kawasaki, JP 104 235
Yamada, Naoki Inagi, JP 401 4525

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