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Title:
ELECTROCHROMIC COMPOUND AND ELECTROCHROMIC DISPLAY ELEMENT USING IT
Document Type and Number:
Japanese Patent JP2009215464
Kind Code:
A
Abstract:

To provide an electrochromic element can maintain color development and/or color reduction over a longer period.

The electrochromic compound has the structural formula represented by a general formula (1): A-(CX2)n-B, wherein A represents a monovalent binding group, B represents an oxidation-reduction chromophoric group, X represents a halogen atom, and n represent an integer of 1 or higher.


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Inventors:
SHIBUYA TAKESHI
HIRANO SHIGENOBU
KONDO HIROSHI
NAKAMURA YUKI
ABE YUKIKO
YASHIRO TORU
Application Number:
JP2008061660A
Publication Date:
September 24, 2009
Filing Date:
March 11, 2008
Export Citation:
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Assignee:
RICOH KK
International Classes:
C09K9/02; C07C69/82; C07C309/12; C07F7/18; C07F9/09; C07F9/38; G02F1/15
Domestic Patent References:
JPS59217787A1984-12-07
JPS54123965A1979-09-26
JPS6271934A1987-04-02
JPS62104891A1987-05-15
JP2007304164A2007-11-22
JP2002328401A2002-11-15
JP2006071765A2006-03-16
JP2006071767A2006-03-16
JP2001510590A2001-07-31
JP2006519222A2006-08-24
JPS5575479A1980-06-06
Attorney, Agent or Firm:
Hidehiko Takei
Yasuo Yoshimura



 
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