JPS52105179A - Bipyridinium derivatives and electrochromic display element using ther eof - Google Patents

Bipyridinium derivatives and electrochromic display element using ther eof

Info

Publication number
JPS52105179A
JPS52105179A JP222876A JP222876A JPS52105179A JP S52105179 A JPS52105179 A JP S52105179A JP 222876 A JP222876 A JP 222876A JP 222876 A JP222876 A JP 222876A JP S52105179 A JPS52105179 A JP S52105179A
Authority
JP
Japan
Prior art keywords
display element
electrochromic display
bipyridinium derivatives
bipyridinium
ther eof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP222876A
Other languages
Japanese (ja)
Inventor
Masachika Yaguchi
Akihiro Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Toryo KK
Original Assignee
Dai Nippon Toryo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Nippon Toryo KK filed Critical Dai Nippon Toryo KK
Priority to JP222876A priority Critical patent/JPS52105179A/en
Publication of JPS52105179A publication Critical patent/JPS52105179A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Pyridine Compounds (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE:Bipyridinium derivatives I (R1 and R2 are alkyl or alkoxy; X<-1> is monovalent anion), e.g. alpha,alpha'-diethyl-pyridinium bromide II.
JP222876A 1976-01-09 1976-01-09 Bipyridinium derivatives and electrochromic display element using ther eof Pending JPS52105179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP222876A JPS52105179A (en) 1976-01-09 1976-01-09 Bipyridinium derivatives and electrochromic display element using ther eof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP222876A JPS52105179A (en) 1976-01-09 1976-01-09 Bipyridinium derivatives and electrochromic display element using ther eof

Publications (1)

Publication Number Publication Date
JPS52105179A true JPS52105179A (en) 1977-09-03

Family

ID=11523489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP222876A Pending JPS52105179A (en) 1976-01-09 1976-01-09 Bipyridinium derivatives and electrochromic display element using ther eof

Country Status (1)

Country Link
JP (1) JPS52105179A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757778A (en) * 1980-09-22 1982-04-07 Mitsubishi Electric Corp Electrochromic display material
WO1999032928A1 (en) * 1997-12-19 1999-07-01 Nippon Mitsubishi Oil Corporation Electrochromic element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757778A (en) * 1980-09-22 1982-04-07 Mitsubishi Electric Corp Electrochromic display material
WO1999032928A1 (en) * 1997-12-19 1999-07-01 Nippon Mitsubishi Oil Corporation Electrochromic element
US6538792B1 (en) 1997-12-19 2003-03-25 Nippon Mitsubishi Oil Corporation Electrochromic device

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