JPS547293A - Electrochromic display unit - Google Patents

Electrochromic display unit

Info

Publication number
JPS547293A
JPS547293A JP7293977A JP7293977A JPS547293A JP S547293 A JPS547293 A JP S547293A JP 7293977 A JP7293977 A JP 7293977A JP 7293977 A JP7293977 A JP 7293977A JP S547293 A JPS547293 A JP S547293A
Authority
JP
Japan
Prior art keywords
electrochromic display
display unit
acid
deteriorating
dissociation
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
JP7293977A
Other languages
Japanese (ja)
Inventor
Toshiyuki Ogura
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP7293977A priority Critical patent/JPS547293A/en
Publication of JPS547293A publication Critical patent/JPS547293A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To maintain a contrast and answer speed, by preventing an electrochromic display element from deteriorating by the use of sulfamic acid, which is large in degree of dissociation and is not corroded easily, or a solution of the acid as an electrolyte.
COPYRIGHT: (C)1979,JPO&Japio
JP7293977A 1977-06-20 1977-06-20 Electrochromic display unit Pending JPS547293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7293977A JPS547293A (en) 1977-06-20 1977-06-20 Electrochromic display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7293977A JPS547293A (en) 1977-06-20 1977-06-20 Electrochromic display unit

Publications (1)

Publication Number Publication Date
JPS547293A true JPS547293A (en) 1979-01-19

Family

ID=13503829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7293977A Pending JPS547293A (en) 1977-06-20 1977-06-20 Electrochromic display unit

Country Status (1)

Country Link
JP (1) JPS547293A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6027559A (en) * 1997-06-23 2000-02-22 Toda Kogyo Corporation Yellow iron oxide hydroxide particles and process for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6027559A (en) * 1997-06-23 2000-02-22 Toda Kogyo Corporation Yellow iron oxide hydroxide particles and process for producing the same

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