JPS546495A - Driving circuit for electrochromic display element - Google Patents

Driving circuit for electrochromic display element

Info

Publication number
JPS546495A
JPS546495A JP7171477A JP7171477A JPS546495A JP S546495 A JPS546495 A JP S546495A JP 7171477 A JP7171477 A JP 7171477A JP 7171477 A JP7171477 A JP 7171477A JP S546495 A JPS546495 A JP S546495A
Authority
JP
Japan
Prior art keywords
driving circuit
display element
electrochromic display
write
constant
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
JP7171477A
Other languages
Japanese (ja)
Other versions
JPS6024950B2 (en
Inventor
Katsufumi Koyanagi
Hiroshi Nakauchi
Hisashi Kamiide
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP7171477A priority Critical patent/JPS6024950B2/en
Priority to DE2825390A priority patent/DE2825390C2/en
Priority to CH642678A priority patent/CH634432A5/en
Publication of JPS546495A publication Critical patent/JPS546495A/en
Priority to US06/524,111 priority patent/US4535329A/en
Publication of JPS6024950B2 publication Critical patent/JPS6024950B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

PURPOSE: To keep constant all the colored concentration, by performing write-in with constant current driving and by supplying this write-in current depending on the size of each segment.
COPYRIGHT: (C)1979,JPO&Japio
JP7171477A 1977-06-14 1977-06-16 Drive circuit for electrochromic display elements Expired JPS6024950B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7171477A JPS6024950B2 (en) 1977-06-16 1977-06-16 Drive circuit for electrochromic display elements
DE2825390A DE2825390C2 (en) 1977-06-14 1978-06-09 Driver circuit for an electrochromic display device
CH642678A CH634432A5 (en) 1977-06-14 1978-06-13 DRIVE CIRCUIT FOR A electrochromic display device.
US06/524,111 US4535329A (en) 1977-06-14 1983-08-18 Constant current/constant voltage drive for an electrochromic display cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7171477A JPS6024950B2 (en) 1977-06-16 1977-06-16 Drive circuit for electrochromic display elements

Publications (2)

Publication Number Publication Date
JPS546495A true JPS546495A (en) 1979-01-18
JPS6024950B2 JPS6024950B2 (en) 1985-06-15

Family

ID=13468464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7171477A Expired JPS6024950B2 (en) 1977-06-14 1977-06-16 Drive circuit for electrochromic display elements

Country Status (1)

Country Link
JP (1) JPS6024950B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449292A1 (en) * 1979-02-16 1980-09-12 Ebauches Sa METHOD FOR SUPPLYING AND CONTROLLING ELECTROCHROMIC DISPLAY CELLS AND DEVICE FOR CARRYING OUT SAID METHOD

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449292A1 (en) * 1979-02-16 1980-09-12 Ebauches Sa METHOD FOR SUPPLYING AND CONTROLLING ELECTROCHROMIC DISPLAY CELLS AND DEVICE FOR CARRYING OUT SAID METHOD

Also Published As

Publication number Publication date
JPS6024950B2 (en) 1985-06-15

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