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JPS5655923A - Electrochromic display device - Google Patents

Electrochromic display device

Info

Publication number
JPS5655923A
JPS5655923A JP13203879A JP13203879A JPS5655923A JP S5655923 A JPS5655923 A JP S5655923A JP 13203879 A JP13203879 A JP 13203879A JP 13203879 A JP13203879 A JP 13203879A JP S5655923 A JPS5655923 A JP S5655923A
Authority
JP
Japan
Prior art keywords
pigment
display
porous body
electrolyte
retained
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.)
Granted
Application number
JP13203879A
Other languages
Japanese (ja)
Other versions
JPS6328285B2 (en
Inventor
Hiroshi Mano
Satsuki Kawauchi
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP13203879A priority Critical patent/JPS5655923A/en
Priority to US06/185,844 priority patent/US4354741A/en
Priority to DE3034525A priority patent/DE3034525C2/en
Publication of JPS5655923A publication Critical patent/JPS5655923A/en
Publication of JPS6328285B2 publication Critical patent/JPS6328285B2/ja
Granted 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 obtain a clear display on a fine display background by allowing a pigment to be retained in the porous space of a porous body formed as a layer to be impregnated with an electrolyte.
CONSTITUTION: A pigment such as titanium white is allowed to be retained in the porous space of a porous body of polytetrafluoroethylene or the like formed between display and opposite electrodes as a layer to be impregnated with electrolyte by repeating the impregnation and drying of a dispersion of the pigment by the action of ultrasonic waves. The pigment retained in the porous body gives a display background and simultaneously enhances the fittability of the body with the electrolyte. By this mechanism the porous body can be thinned to increase the effect as the display background, and the resulting display device can be reduced in size and weight.
COPYRIGHT: (C)1981,JPO&Japio
JP13203879A 1979-10-12 1979-10-12 Electrochromic display device Granted JPS5655923A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP13203879A JPS5655923A (en) 1979-10-12 1979-10-12 Electrochromic display device
US06/185,844 US4354741A (en) 1979-10-12 1980-09-10 Electrochromic display device
DE3034525A DE3034525C2 (en) 1979-10-12 1980-09-12 Process for the production of a porous, electrolyte-containing counter electrode of an electrochromic display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13203879A JPS5655923A (en) 1979-10-12 1979-10-12 Electrochromic display device

Publications (2)

Publication Number Publication Date
JPS5655923A true JPS5655923A (en) 1981-05-16
JPS6328285B2 JPS6328285B2 (en) 1988-06-08

Family

ID=15072045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13203879A Granted JPS5655923A (en) 1979-10-12 1979-10-12 Electrochromic display device

Country Status (1)

Country Link
JP (1) JPS5655923A (en)

Also Published As

Publication number Publication date
JPS6328285B2 (en) 1988-06-08

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