JPS5432297A - Driving circuit for liquid crystal display unit - Google Patents

Driving circuit for liquid crystal display unit

Info

Publication number
JPS5432297A
JPS5432297A JP9853877A JP9853877A JPS5432297A JP S5432297 A JPS5432297 A JP S5432297A JP 9853877 A JP9853877 A JP 9853877A JP 9853877 A JP9853877 A JP 9853877A JP S5432297 A JPS5432297 A JP S5432297A
Authority
JP
Japan
Prior art keywords
liquid crystal
display unit
crystal display
driving circuit
measurements
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
JP9853877A
Other languages
Japanese (ja)
Inventor
Masayuki Kawai
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha 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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP9853877A priority Critical patent/JPS5432297A/en
Publication of JPS5432297A publication Critical patent/JPS5432297A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

PURPOSE: To simultaneously execute various inspections and measurements in manufacturing process, by inserting the current detection circuit in series with the driving output section and by providing the DA converter outputting arbitrary voltage waveform independently of the common and segment electrodes respectively.
COPYRIGHT: (C)1979,JPO&Japio
JP9853877A 1977-08-17 1977-08-17 Driving circuit for liquid crystal display unit Pending JPS5432297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9853877A JPS5432297A (en) 1977-08-17 1977-08-17 Driving circuit for liquid crystal display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9853877A JPS5432297A (en) 1977-08-17 1977-08-17 Driving circuit for liquid crystal display unit

Publications (1)

Publication Number Publication Date
JPS5432297A true JPS5432297A (en) 1979-03-09

Family

ID=14222457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9853877A Pending JPS5432297A (en) 1977-08-17 1977-08-17 Driving circuit for liquid crystal display unit

Country Status (1)

Country Link
JP (1) JPS5432297A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149853A (en) * 1979-04-02 1980-11-21 Sanyo Electric Co Ltd Measuring method for crystalline liquid panel actuating current

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149853A (en) * 1979-04-02 1980-11-21 Sanyo Electric Co Ltd Measuring method for crystalline liquid panel actuating current
JPH0139116B2 (en) * 1979-04-02 1989-08-18 Sanyo Electric Co

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