JP4590390B2 - 液晶表示装置及びその駆動方法 - Google Patents
液晶表示装置及びその駆動方法 Download PDFInfo
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- JP4590390B2 JP4590390B2 JP2006330756A JP2006330756A JP4590390B2 JP 4590390 B2 JP4590390 B2 JP 4590390B2 JP 2006330756 A JP2006330756 A JP 2006330756A JP 2006330756 A JP2006330756 A JP 2006330756A JP 4590390 B2 JP4590390 B2 JP 4590390B2
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- voltage
- liquid crystal
- common voltage
- crystal display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0252—Improving the response speed
Description
また、本発明に係る液晶表示装置の駆動方法は、液晶表示パネルに形成された複数のゲートラインにゲートパルスを供給する第1ステップと、前記液晶表示パネルに形成された複数のデータラインに正極性階調電圧及び負極性階調電圧を供給する第2ステップと、前記ゲートパルスの供給時点に応じて、前記正極性階調電圧及び負極性階調電圧の区分の基準となる第1及び第2共通電圧を交番的に前記液晶表示パネルに供給する第3ステップとを含み、前記第3ステップにおいて、前記正極性階調電圧または前記負極性階調電圧が供給されている状態で、前記ゲートパルスの立上がりエッジと立下がりエッジの供給時点を計時し、前記正極性階調電圧が供給されている状態で、前記ゲートパルスの立下がりエッジの供給時点で、前記第1共通電圧の供給を一時中断し、前記ゲートパルスの立下がりエッジの時点から、前記正極性階調電圧の供給区間より小さい時間範囲内で前記第2共通電圧レベルを前記液晶表示パネルに供給し、前記負極性階調電圧が供給されている状態で、前記ゲートパルスの立下がりエッジの供給時点で、前記第1共通電圧の供給を一時中断し、前記ゲートパルスの立下がりエッジの時点から、前記負極性階調電圧の供給区間より小さい時間範囲内で前記第2共通電圧レベルを前記液晶表示パネルに供給し、前記第1共通電圧のレベルは、前記第2共通電圧のレベルより高く設定されることを特徴とする。
Claims (4)
- 複数のゲートライン及び複数のデータラインが形成された液晶表示パネルと、
前記複数のゲートラインにゲートパルスを供給するゲート駆動手段と、
前記複数のデータラインに正極性階調電圧及び負極性階調電圧を供給するデータ駆動手段と、
前記ゲートパルスの供給時点に応じて、前記液晶表示パネルに供給される共通電圧レベルを制御する制御手段と、
前記制御手段の制御により、前記正極性階調電圧及び負極性階調電圧の区分の基準となる第1及び第2共通電圧を交番的に前記液晶表示パネルに供給する共通電圧供給手段と
を備え、
前記共通電圧供給手段は、
高電位電源電圧の印加を受け、前記第1共通電圧を発生する第1共通電圧発生部と、
前記高電位電源電圧の印加を受け、前記第2共通電圧を発生する第2共通電圧発生部と、
前記制御手段によりスイッチング方向が制御され、前記第1共通電圧及び前記第2共通電圧を前記液晶表示パネルにスイッチングして供給するスイッチとを有し、
前記制御手段は、前記正極性階調電圧または前記負極性階調電圧が供給されている状態で、それぞれ前記第1及び第2共通電圧を交番的に供給するように前記共通電圧供給手段を制御し、前記ゲートパルスの立下がりエッジ時点から前記正極性階調電圧の供給区間または前記負極性階調電圧の供給区間より小さい時間範囲内で前記第2共通電圧レベルをそれぞれ前記液晶表示パネルに供給するように前記共通電圧供給手段を制御し、
前記第1共通電圧のレベルは、前記第2共通電圧のレベルより高い
ことを特徴とする液晶表示装置。 - 液晶表示パネルに形成された複数のゲートラインにゲートパルスを供給する第1ステップと、
前記液晶表示パネルに形成された複数のデータラインに正極性階調電圧及び負極性階調電圧を供給する第2ステップと、
前記ゲートパルスの供給時点に応じて、前記正極性階調電圧及び負極性階調電圧の区分の基準となる第1及び第2共通電圧を交番的に前記液晶表示パネルに供給する第3ステップと
を含み、
前記第3ステップにおいて、前記正極性階調電圧または前記負極性階調電圧が供給されている状態で、前記ゲートパルスの立上がりエッジと立下がりエッジの供給時点を計時し、
前記正極性階調電圧が供給されている状態で、前記ゲートパルスの立下がりエッジの供給時点で、前記第1共通電圧の供給を一時中断し、前記ゲートパルスの立下がりエッジの時点から、前記正極性階調電圧の供給区間より小さい時間範囲内で前記第2共通電圧レベルを前記液晶表示パネルに供給し、前記負極性階調電圧が供給されている状態で、前記ゲートパルスの立下がりエッジの供給時点で、前記第1共通電圧の供給を一時中断し、前記ゲートパルスの立下がりエッジの時点から、前記負極性階調電圧の供給区間より小さい時間範囲内で前記第2共通電圧レベルを前記液晶表示パネルに供給し、
前記第1共通電圧のレベルは、前記第2共通電圧のレベルより高く設定される
ことを特徴とする液晶表示装置の駆動方法。 - 前記正極性階調電圧が供給されている状態で、前記第2共通電圧の供給時間が経過すると、供給が一時中断された前記第1共通電圧を、前記液晶表示パネルに再び供給する
ことを特徴とする請求項2記載の液晶表示装置の駆動方法。 - 前記負極性階調電圧が供給されている状態で、前記第2共通電圧の供給時間が経過すると、供給が一時中断された前記第1共通電圧を、前記液晶表示パネルに再び供給する
ことを特徴とする請求項2記載の液晶表示装置の駆動方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050130781A KR101213810B1 (ko) | 2005-12-27 | 2005-12-27 | 액정표시소자의 구동 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
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JP2007179045A JP2007179045A (ja) | 2007-07-12 |
JP4590390B2 true JP4590390B2 (ja) | 2010-12-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006330756A Expired - Fee Related JP4590390B2 (ja) | 2005-12-27 | 2006-12-07 | 液晶表示装置及びその駆動方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7978163B2 (ja) |
JP (1) | JP4590390B2 (ja) |
KR (1) | KR101213810B1 (ja) |
CN (1) | CN100478750C (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080174285A1 (en) * | 2007-01-22 | 2008-07-24 | Seiko Epson Corporation | Common electrode voltage generation circuit, display driver and electronic instrument |
KR20080077495A (ko) * | 2007-02-20 | 2008-08-25 | 삼성전자주식회사 | 회로 기판 및 이를 포함하는 액정 표시 장치 |
CN101311779A (zh) * | 2007-05-25 | 2008-11-26 | 群康科技(深圳)有限公司 | 液晶显示装置 |
KR101501663B1 (ko) * | 2008-08-08 | 2015-03-11 | 삼성디스플레이 주식회사 | 표시패널을 구동하기 위한 데이터 구동 방법, 이를 수행하기 위한 데이터 구동회로 및 이를 갖는 표시장치 |
JP5323924B2 (ja) * | 2009-02-18 | 2013-10-23 | シャープ株式会社 | 表示装置および表示装置の駆動方法 |
CN102081245A (zh) * | 2009-11-30 | 2011-06-01 | 群康科技(深圳)有限公司 | 液晶显示装置 |
WO2012005071A1 (ja) * | 2010-07-09 | 2012-01-12 | シャープ株式会社 | 液晶制御装置、液晶パネル駆動装置、液晶表示装置および液晶パネルの駆動方法 |
US8730229B2 (en) * | 2011-09-28 | 2014-05-20 | Apple Inc. | Devices and methods for zero-bias display turn-off using VCOM switch |
WO2015166857A1 (ja) * | 2014-04-28 | 2015-11-05 | シャープ株式会社 | アクティブマトリクス基板、及びそれを備えた表示装置 |
TWI550591B (zh) * | 2015-06-04 | 2016-09-21 | 友達光電股份有限公司 | 顯示裝置及其操作方法 |
KR102651807B1 (ko) * | 2016-09-30 | 2024-03-29 | 엘지디스플레이 주식회사 | 액정표시장치와 그 구동 방법 |
KR20200017608A (ko) * | 2018-08-08 | 2020-02-19 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 구동 방법 |
CN109192170B (zh) * | 2018-10-23 | 2021-07-06 | 惠科股份有限公司 | 显示面板的馈穿补偿方法及装置、显示装置 |
JP7463895B2 (ja) * | 2020-07-29 | 2024-04-09 | セイコーエプソン株式会社 | 集積回路装置、電子機器及び移動体 |
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JPH04107525A (ja) * | 1990-08-28 | 1992-04-09 | Sanyo Electric Co Ltd | 液晶表示装置の駆動方法 |
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JPH07120720A (ja) * | 1993-01-18 | 1995-05-12 | Sharp Corp | 液晶表示装置 |
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JP2001242830A (ja) * | 2000-02-29 | 2001-09-07 | Matsushita Electric Ind Co Ltd | 液晶表示装置の駆動方法 |
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TWI293750B (en) * | 2003-10-02 | 2008-02-21 | Sanyo Electric Co | Method for driving a liquid crystal display device, a liquid crystal display device, and a driving device for such liquid crystal device |
-
2005
- 2005-12-27 KR KR1020050130781A patent/KR101213810B1/ko active IP Right Grant
-
2006
- 2006-12-07 JP JP2006330756A patent/JP4590390B2/ja not_active Expired - Fee Related
- 2006-12-14 US US11/640,096 patent/US7978163B2/en not_active Expired - Fee Related
- 2006-12-21 CN CNB2006101705132A patent/CN100478750C/zh not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0442211A (ja) * | 1990-06-08 | 1992-02-12 | Matsushita Electric Ind Co Ltd | 液晶パネルの駆動方法 |
JPH04107525A (ja) * | 1990-08-28 | 1992-04-09 | Sanyo Electric Co Ltd | 液晶表示装置の駆動方法 |
JPH05107557A (ja) * | 1991-10-15 | 1993-04-30 | Kyocera Corp | 液晶表示装置 |
JPH07120720A (ja) * | 1993-01-18 | 1995-05-12 | Sharp Corp | 液晶表示装置 |
JPH07230075A (ja) * | 1993-04-22 | 1995-08-29 | Matsushita Electric Ind Co Ltd | 表示装置とその駆動方法および該装置を用いた投写型表示装置 |
JPH0887251A (ja) * | 1994-06-21 | 1996-04-02 | Hitachi Ltd | 液晶駆動回路及び液晶表示装置 |
JPH08320468A (ja) * | 1995-05-25 | 1996-12-03 | Casio Comput Co Ltd | 強誘電性液晶表示装置及び強誘電性液晶表示素子の駆動方法 |
JPH0981092A (ja) * | 1995-09-18 | 1997-03-28 | Casio Comput Co Ltd | 液晶表示装置 |
JPH09265073A (ja) * | 1995-10-05 | 1997-10-07 | Buraito Kenkyusho:Kk | ネマテック液晶の駆動方法 |
JP2001242830A (ja) * | 2000-02-29 | 2001-09-07 | Matsushita Electric Ind Co Ltd | 液晶表示装置の駆動方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1991468A (zh) | 2007-07-04 |
CN100478750C (zh) | 2009-04-15 |
US20070164952A1 (en) | 2007-07-19 |
JP2007179045A (ja) | 2007-07-12 |
US7978163B2 (en) | 2011-07-12 |
KR20070068787A (ko) | 2007-07-02 |
KR101213810B1 (ko) | 2012-12-18 |
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