Invention Grant
US08625186B2 Electrochromic compound, electrochromic composition, and display device
有权
电致变色化合物，电致变色组合物和显示装置
- Patent Title: Electrochromic compound, electrochromic composition, and display device
- Patent Title (中): 电致变色化合物，电致变色组合物和显示装置
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Application No.: US13676423Application Date: 2012-11-14
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Publication No.: US08625186B2Publication Date: 2014-01-07
- Inventor: Takashi Okada , Shigenobu Hirano , Tsutomu Sato
- Applicant: Takashi Okada , Shigenobu Hirano , Tsutomu Sato
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2011-259245 20111128; JP2012-184228 20120823
- Main IPC: G02F1/15
- IPC: G02F1/15 ; G02F1/153
Abstract:
An electrochromic compound represented by the following General Formula (1) wherein E represents at least one of O, S, Se, and N—R; R represents at least one of a hydrogen atom, a substitutive aliphatic hydrocarbon group, and a substitutive aromatic hydrocarbon group; X1-X10 may be the same or different and each represent at least one of a hydrogen atom and a monovalent substituent; L1 and L2 may be the same or different and each represent a monovalent substituent; and A− and B− may be the same or different and each represent a monovalent anion.
Public/Granted literature
- US20130135703A1 ELECTROCHROMIC COMPOUND, ELECTROCHROMIC COMPOSITION, AND DISPLAY DEVICE Public/Granted day:2013-05-30
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