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JP2002169522A5 - - Google Patents

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Publication number
JP2002169522A5
JP2002169522A5 JP2000372923A JP2000372923A JP2002169522A5 JP 2002169522 A5 JP2002169522 A5 JP 2002169522A5 JP 2000372923 A JP2000372923 A JP 2000372923A JP 2000372923 A JP2000372923 A JP 2000372923A JP 2002169522 A5 JP2002169522 A5 JP 2002169522A5
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JP
Japan
Prior art keywords
liquid crystal
supplied
display device
crystal display
signal line
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
JP2000372923A
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Japanese (ja)
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JP2002169522A (en
JP3884229B2 (en
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2000372923A external-priority patent/JP3884229B2/en
Priority to JP2000372923A priority Critical patent/JP3884229B2/en
Priority to US09/989,171 priority patent/US6812911B2/en
Priority to TW090129057A priority patent/TWI238376B/en
Priority to CNB2006100818665A priority patent/CN100492143C/en
Priority to KR10-2001-0076278A priority patent/KR100533896B1/en
Priority to CNB011425989A priority patent/CN1264049C/en
Priority to CNB2006100957352A priority patent/CN100422804C/en
Publication of JP2002169522A publication Critical patent/JP2002169522A/en
Priority to US10/973,403 priority patent/US7292212B2/en
Publication of JP2002169522A5 publication Critical patent/JP2002169522A5/ja
Publication of JP3884229B2 publication Critical patent/JP3884229B2/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (5)

互いに対向配置される第1と第2の基板を有し、
第１と第２の基板の間に液晶層を有し、
一方の基板上にアクティブ素子、該アクティブ素子を動作させるための走査信号線、及び該アクティブ素子の動作により映像信号が供給される画素電極を有し、
該画素電極と液晶層の間に配向膜を有し、
前記一方もしくは他方の基板上に基準電極を有し、
該画素電極と基準電極の間に電位差を生じせしめることにより表示を行い、
前記走査信号線の電位は走査信号線駆動回路より印加され、
該走査信号線駆動回路は走査信号線の非選択電位用電源が供給される入力端子を有する液晶表示装置において、
外部から液晶表示装置への電源供給停止後の、前記非選択電位用電源が供給される入力端子への入力電圧を、通常の駆動状態と異なる値とするための回路を有し、
該回路はツェナーダイオードを有することを特徴とする液晶表示装置。Having first and second substrates disposed opposite each other;
Having a liquid crystal layer between the first and second substrates;
An active element on one substrate, a scanning signal line for operating the active element, and a pixel electrode to which a video signal is supplied by the operation of the active element;
Having an alignment film between the pixel electrode and the liquid crystal layer;
Having a reference electrode on one or the other substrate;
Display is performed by causing a potential difference between the pixel electrode and the reference electrode,
The potential of the scanning signal line is applied from a scanning signal line driving circuit,
The scanning signal line driving circuit is a liquid crystal display device having an input terminal to which power for a non-selection potential of the scanning signal line is supplied.
A circuit for setting the input voltage to the input terminal to which the power supply for the non-selection potential is supplied after stopping the power supply to the liquid crystal display device from the outside to a value different from a normal driving state;
The circuit includes a Zener diode. 前記走査信号線駆動回路が複数の電源入力端子を有し、
少なくともそのうちの１つは、通常駆動状態において前記非選択電位用電源が供給される入力端子への入力電圧よりも低い電圧が供給され、
ツェナーダイオードが、電気的に、前記非選択電位用電源が供給される入力端子及び、前記通常駆動状態において前記非選択電位用電源が供給される入力端子への入力電圧よりも低い電圧が供給される端子の間に接続されていることを特徴とする請求項１に記載の液晶表示装置。The scanning signal line driving circuit has a plurality of power input terminals;
At least one of them is supplied with a voltage lower than the input voltage to the input terminal to which the power supply for non-selection potential is supplied in the normal drive state,
The Zener diode is electrically supplied with a voltage lower than the input voltage to the input terminal to which the power supply for non-selection potential is supplied and to the input terminal to which the power supply for non-selection potential is supplied in the normal driving state. The liquid crystal display device according to claim 1, wherein the liquid crystal display device is connected between terminals. 前記ツェナーダイオードと並列に容量素子を有することを特徴とする、請求項１又は２に記載の液晶表示装置。  The liquid crystal display device according to claim 1, further comprising a capacitive element in parallel with the Zener diode. 前記走査信号線の非選択電位用電源が供給される入力端子の電位は、外部から液晶表示装置への電源供給停止後に、ＧＮＤレベル以上となる状態を有することを特徴とする請求項１ないし３の何れか１項に記載の液晶表示装置。  4. A potential of an input terminal to which power for a non-selection potential of the scanning signal line is supplied has a state of being equal to or higher than a GND level after power supply from the outside to the liquid crystal display device is stopped. The liquid crystal display device according to any one of the above. 前記走査信号線の非選択電位用電源が供給される入力端子の電位は、外部から液晶表示装置への電源供給停止後に一旦上昇し、やがて収束する山形の特性を有することを特徴とする、請求項１ないし３の何れか１項に記載の液晶表示装置。  The potential of the input terminal to which power for the non-selection potential of the scanning signal line is supplied has a mountain-shaped characteristic that once rises after the power supply to the liquid crystal display device from the outside is stopped and then converges. Item 4. The liquid crystal display device according to any one of Items 1 to 3.
JP2000372923A 2000-12-04 2000-12-04 Liquid crystal display Expired - Fee Related JP3884229B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2000372923A JP3884229B2 (en) 2000-12-04 2000-12-04 Liquid crystal display
US09/989,171 US6812911B2 (en) 2000-12-04 2001-11-21 Liquid crystal display device
TW090129057A TWI238376B (en) 2000-12-04 2001-11-23 Liquid crystal display device
CNB2006100957352A CN100422804C (en) 2000-12-04 2001-12-04 LCD Monitor
KR10-2001-0076278A KR100533896B1 (en) 2000-12-04 2001-12-04 Liquid crystal display device
CNB011425989A CN1264049C (en) 2000-12-04 2001-12-04 Liquid crystal display device
CNB2006100818665A CN100492143C (en) 2000-12-04 2001-12-04 LCD Monitor
US10/973,403 US7292212B2 (en) 2000-12-04 2004-10-27 Liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000372923A JP3884229B2 (en) 2000-12-04 2000-12-04 Liquid crystal display

Publications (3)

Publication Number Publication Date
JP2002169522A JP2002169522A (en) 2002-06-14
JP2002169522A5 true JP2002169522A5 (en) 2005-06-16
JP3884229B2 JP3884229B2 (en) 2007-02-21

Family

ID=18842390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000372923A Expired - Fee Related JP3884229B2 (en) 2000-12-04 2000-12-04 Liquid crystal display

Country Status (2)

Country Link
JP (1) JP3884229B2 (en)
CN (2) CN100492143C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4544827B2 (en) * 2003-03-31 2010-09-15 シャープ株式会社 Liquid crystal display
JP5261337B2 (en) 2009-09-28 2013-08-14 株式会社ジャパンディスプレイウェスト Liquid crystal display
JP5679172B2 (en) 2010-10-29 2015-03-04 株式会社ジャパンディスプレイ Liquid crystal display
CN104597643A (en) * 2015-01-30 2015-05-06 京东方科技集团股份有限公司 Display substrate, preparation method thereof, and display device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0124975B1 (en) * 1994-06-07 1997-12-01 김광호 Power driving circuit of thin film transistor type liquid crystal display device
JPH10333642A (en) * 1997-05-27 1998-12-18 Internatl Business Mach Corp <Ibm> Liquid crystal display device
JPH1164821A (en) * 1997-08-20 1999-03-05 Toshiba Electron Eng Corp Active matrix type display device
KR100430095B1 (en) * 1998-09-15 2004-07-27 엘지.필립스 엘시디 주식회사 Apparatus For Eliminating Afterimage in Liquid Crystal Display and Method Thereof
JP2000221468A (en) * 1999-01-29 2000-08-11 Citizen Watch Co Ltd Liquid crystal drive device
JP3480697B2 (en) * 1999-05-10 2003-12-22 ナノックス株式会社 Method of manufacturing COG type liquid crystal display device

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