JP4763668B2 - 液晶表示装置の駆動方法 - Google Patents
液晶表示装置の駆動方法 Download PDFInfo
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- JP4763668B2 JP4763668B2 JP2007259083A JP2007259083A JP4763668B2 JP 4763668 B2 JP4763668 B2 JP 4763668B2 JP 2007259083 A JP2007259083 A JP 2007259083A JP 2007259083 A JP2007259083 A JP 2007259083A JP 4763668 B2 JP4763668 B2 JP 4763668B2
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- pixel voltage
- input
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- liquid crystal
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 51
- 238000000034 method Methods 0.000 title claims description 42
- 238000000638 solvent extraction Methods 0.000 claims 1
- 206010047571 Visual impairment Diseases 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- 239000010409 thin film Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- 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
- G09G3/3614—Control of polarity reversal in general
-
- 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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0204—Compensation of DC component across the pixels in flat panels
-
- 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
- G09G2320/0257—Reduction of after-image effects
-
- 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
- G09G2320/10—Special adaptations of display systems for operation with variable images
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/34—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators for rolling or scrolling
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
選択された一画素に対するホワイトに対応し、反復される停止パターンの入力周期(すなわち、Nフレーム)が短い場合は、選択された一画素に停止パターンが表示される周期がさらに短くなるために、その分のホワイト画素電圧の入力回数がさらに増加する。これによって、DC累積は、さらに加重され画面残像がさらにはっきりと示される。
図5は、本発明の実施の形態1による液晶表示装置の駆動方法を説明するための入力データテーブル図である。
Claims (4)
- 反復される停止パターンが移動するスクロール駆動パターンを表示するために、すべてのフレームをそれぞれがN(Nは偶数)フレームを一単位とする複数のNフレーム区間に区分する段階と、
選択された一画素に前記Nフレームを周期としてホワイト(White)画素電圧を入力し、残りのフレーム間にはグレイ(Gray)画素電圧を入力する段階と、
を含み、
隣接する前記Nフレーム区間の前記ホワイト画素電圧及び前記グレイ画素電圧の極性パターンは、互いに反対であり、
前記複数のNフレーム区間それぞれの前記ホワイト画素電圧及び前記グレイ画素電圧は、1−ドットインバージョン駆動方式または2−ドットインバージョン駆動方式で入力される
ことを特徴とする液晶表示装置の駆動方法。 - 前記ホワイト画素電圧と前記グレイ画素電圧は互いに異なる大きさを有する
ことを特徴とする請求項1に記載の液晶表示装置の駆動方法。 - 前記Nは、8であり、
前記複数のNフレーム区間それぞれの前記ホワイト画素電圧及び前記グレイ画素電圧は、1-ドットインバージョン駆動方式で入力される場合、第1ないし第8フレームの間、前記一画素にはそれぞれ正極性の前記グレイ画素電圧、負極性の前記グレイ画素電圧、正極性の前記グレイ画素電圧、負極性の前記グレイ画素電圧、正極性の前記グレイ画素電圧、負極性の前記グレイ画素電圧、正極性の前記グレイ画素電圧及び負極性の前記ホワイト画素電圧が入力され、第9ないし第16フレームの間、前記一画素にはそれぞれ負極性の前記グレイ画素電圧、正極性の前記グレイ画素電圧、負極性の前記グレイ画素電圧、正極性の前記グレイ画素電圧、負極性の前記グレイ画素電圧、正極性の前記グレイ画素電圧、負極性の前記グレイ画素電圧及び正極性の前記ホワイト画素電圧が入力される
ことを特徴とする請求項1に記載の液晶表示装置の駆動方法。 - 前記ホワイト画素電圧は、前記複数のNフレーム区間それぞれの最後のフレームで前記一画素に入力され、n番目の前記Nフレーム区間の前記ホワイト画素電圧と(n+1)番目の前記Nフレーム区間の前記ホワイト画素電圧は、互いに反対の極性を有する
ことを特徴とする請求項1に記載の液晶表示装置の駆動方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0100362 | 2006-10-16 | ||
KR1020060100362A KR101283974B1 (ko) | 2006-10-16 | 2006-10-16 | 액정표시장치의 영상 표시방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008096999A JP2008096999A (ja) | 2008-04-24 |
JP4763668B2 true JP4763668B2 (ja) | 2011-08-31 |
Family
ID=39302630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007259083A Active JP4763668B2 (ja) | 2006-10-16 | 2007-10-02 | 液晶表示装置の駆動方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8797243B2 (ja) |
EP (1) | EP1927975B1 (ja) |
JP (1) | JP4763668B2 (ja) |
KR (1) | KR101283974B1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI390485B (zh) * | 2008-01-28 | 2013-03-21 | Au Optronics Corp | 顯示裝置及顯示影像之方法 |
KR102052330B1 (ko) * | 2012-09-28 | 2019-12-04 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 구동방법 |
KR102174911B1 (ko) | 2013-12-16 | 2020-11-06 | 삼성디스플레이 주식회사 | 표시 패널 구동 방법, 이 표시 패널 구동 방법을 수행하는 표시 패널 구동 장치 및 이 표시 패널 구동 장치를 포함하는 표시 장치 |
CN108604437A (zh) * | 2016-01-28 | 2018-09-28 | 夏普株式会社 | 显示装置 |
CN114743515B (zh) * | 2022-03-21 | 2023-10-24 | 惠科股份有限公司 | 液晶显示面板及其极性控制方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5182549A (en) | 1987-03-05 | 1993-01-26 | Canon Kabushiki Kaisha | Liquid crystal apparatus |
JP3103146B2 (ja) | 1991-07-31 | 2000-10-23 | 株式会社東芝 | 液晶表示装置 |
JP2000122620A (ja) | 1998-10-14 | 2000-04-28 | Harness Syst Tech Res Ltd | 表示装置及びそのスクロール方法 |
JP2001209349A (ja) | 2000-01-26 | 2001-08-03 | New Japan Radio Co Ltd | 表示駆動装置 |
KR100425765B1 (ko) * | 2002-04-12 | 2004-04-01 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 |
US7091944B2 (en) * | 2002-11-03 | 2006-08-15 | Lsi Logic Corporation | Display controller |
JP2005345603A (ja) | 2004-06-01 | 2005-12-15 | Hitachi Displays Ltd | 液晶表示装置およびその駆動方法 |
JP4599897B2 (ja) * | 2004-06-10 | 2010-12-15 | ソニー株式会社 | 表示用光学デバイスの駆動装置及び方法 |
JP2006119447A (ja) | 2004-10-22 | 2006-05-11 | Toshiba Matsushita Display Technology Co Ltd | 表示パネル制御回路 |
JP4572128B2 (ja) | 2005-03-04 | 2010-10-27 | Nec液晶テクノロジー株式会社 | 表示パネルの駆動方法及びその装置 |
JP4779434B2 (ja) * | 2005-05-17 | 2011-09-28 | ソニー株式会社 | 動画像変換装置、動画像復元装置、および方法、並びにコンピュータ・プログラム |
-
2006
- 2006-10-16 KR KR1020060100362A patent/KR101283974B1/ko active IP Right Grant
-
2007
- 2007-06-20 EP EP07012092.8A patent/EP1927975B1/en active Active
- 2007-09-26 US US11/904,936 patent/US8797243B2/en active Active
- 2007-10-02 JP JP2007259083A patent/JP4763668B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP1927975A3 (en) | 2009-10-07 |
US8797243B2 (en) | 2014-08-05 |
EP1927975A2 (en) | 2008-06-04 |
KR20080034302A (ko) | 2008-04-21 |
EP1927975B1 (en) | 2016-01-27 |
JP2008096999A (ja) | 2008-04-24 |
US20080088556A1 (en) | 2008-04-17 |
KR101283974B1 (ko) | 2013-07-09 |
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