JPH0245520U - - Google Patents

Info

Publication number
JPH0245520U
JPH0245520U JP12167788U JP12167788U JPH0245520U JP H0245520 U JPH0245520 U JP H0245520U JP 12167788 U JP12167788 U JP 12167788U JP 12167788 U JP12167788 U JP 12167788U JP H0245520 U JPH0245520 U JP H0245520U
Authority
JP
Japan
Prior art keywords
section
drive voltage
liquid crystal
crystal display
detection signal
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
JP12167788U
Other languages
English (en)
Other versions
JPH0749464Y2 (ja
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 filed Critical
Priority to JP1988121677U priority Critical patent/JPH0749464Y2/ja
Publication of JPH0245520U publication Critical patent/JPH0245520U/ja
Application granted granted Critical
Publication of JPH0749464Y2 publication Critical patent/JPH0749464Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Liquid Crystal Display Device Control (AREA)

Description

【図面の簡単な説明】
第１図は本考案の原理構成を示すブロツク図、
第２図は本考案の一実施例を示すブロツク図、第
３図は本考案の一実施例の動作を説明するための
タイミングチヤート、第４図は本考案の一実施例
における応答特性を示す図、第５図は従来の液晶
表示駆動回路を示すブロツク図、第６図は駆動電
圧印加による受光量の時間的変化を示す図、第７
図は駆動電圧の実効値と応答時間との関係を示す
図である。 １…液晶表示器、２…ゲート部、３…検出部、
４…駆動電圧昇圧部、５…制御部、３０…駆動開
始検出部、４０…切替スイツチ、４１…トランジ
スタ。

Claims (1)

  1. 【実用新案登録請求の範囲】 液晶表示器１に所定の駆動電圧を供給するゲー
    ト部２と、該ゲート部２の動作を制御する制御部
    ５とを有してなる液晶表示駆動回路において、 前記ゲート部２の動作開始を検出して検出信号
    Ｓｄを出力する検出部３と、 前記検出信号Ｓｄが発生すると同時に、前記駆
    動電圧を所定の期間だけ昇圧させる駆動電圧昇圧
    部４とを設けることを特徴とする液晶表示駆動回
    路。
JP1988121677U 1988-09-19 1988-09-19 液晶表示駆動回路 Expired - Lifetime JPH0749464Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988121677U JPH0749464Y2 (ja) 1988-09-19 1988-09-19 液晶表示駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988121677U JPH0749464Y2 (ja) 1988-09-19 1988-09-19 液晶表示駆動回路

Publications (2)

Publication Number Publication Date
JPH0245520U true JPH0245520U (ja) 1990-03-28
JPH0749464Y2 JPH0749464Y2 (ja) 1995-11-13

Family

ID=31368905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988121677U Expired - Lifetime JPH0749464Y2 (ja) 1988-09-19 1988-09-19 液晶表示駆動回路

Country Status (1)

Country Link
JP (1) JPH0749464Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5354498A (en) * 1976-10-28 1978-05-17 Citizen Watch Co Ltd Driving system of liquid crystal display device
JPS5850515A (ja) * 1981-09-22 1983-03-25 Asahi Glass Co Ltd 液晶駆動回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5354498A (en) * 1976-10-28 1978-05-17 Citizen Watch Co Ltd Driving system of liquid crystal display device
JPS5850515A (ja) * 1981-09-22 1983-03-25 Asahi Glass Co Ltd 液晶駆動回路

Also Published As

Publication number Publication date
JPH0749464Y2 (ja) 1995-11-13

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