![2,2′-bibenzo[D]imidazolidene compound having condensed rings at the 1-, 1′-, 3- and 3′-positions, and organic light-emitting element, display device, image information processing apparatus, lighting device, image forming apparatus and exposure unit, each containing the same](/docs/US/2019-09-03/US10403827B2/abs.jpg.600x600.jpg)
- Patent Title: 2,2′-bibenzo[D]imidazolidene compound having condensed rings at the 1-, 1′-, 3- and 3′-positions, and organic light-emitting element, display device, image information processing apparatus, lighting device, image forming apparatus and exposure unit, each containing the same
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Application No.: US15529047Application Date: 2015-10-20
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Publication No.: US10403827B2Publication Date: 2019-09-03
- Inventor: Jun Kamatani , Yosuke Nishide , Hirokazu Miyashita , Naoki Yamada
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A. Inc., IP Division
- Priority: JP2014-240622 20141127
- International Application: PCT/JP2015/005284 WO 20151020
- International Announcement: WO2016/084303 WO 20160602
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/00 ; C07D235/20 ; C07D409/14 ; C09B23/10 ; C09B57/00 ; C07D401/14 ; G03G15/04 ; H01L27/32 ; H01L27/12 ; H01L29/786 ; H01L51/52 ; H05B33/08
![2,2′-bibenzo[D]imidazolidene compound having condensed rings at the 1-, 1′-, 3- and 3′-positions, and organic light-emitting element, display device, image information processing apparatus, lighting device, image forming apparatus and exposure unit, each containing the same](/abs-image/US/2019/09/03/US10403827B2/abs.jpg.150x150.jpg)
Abstract:
A stable 2,2′-bibenzo[d]imidazolidene compound is provided. The 2,2′-bibenzo[d]imidazolidene compound is expressed by the following General Formula (1). In General Formula (1), Ar1 to Ar8 each represent a substituted or unsubstituted condensed ring. R1 to R8 each represent a hydrogen atom or a substituent.
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