KR102019764B1 - 액정표시장치 및 그 구동방법 - Google Patents
액정표시장치 및 그 구동방법 Download PDFInfo
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- KR102019764B1 KR102019764B1 KR1020120150476A KR20120150476A KR102019764B1 KR 102019764 B1 KR102019764 B1 KR 102019764B1 KR 1020120150476 A KR1020120150476 A KR 1020120150476A KR 20120150476 A KR20120150476 A KR 20120150476A KR 102019764 B1 KR102019764 B1 KR 102019764B1
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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
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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
- G09G3/3611—Control of matrices with row and column drivers
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- 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
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
도 2는 일반적인 도트 인버젼 방식을 설명하기 위한 예시도.
도 3은 본 발명에 따른 액정표시장치를 개략적으로 나타내는 도면.
도 4는 도 3에 도시된 구동부의 구성을 나타낸 예시도.
도 5는 도 4에 도시된 데이터 구동부의 구성을 나타낸 예시도.
도 6은 도 4에 도시된 제어부의 구성을 나타낸 예시도.
도 7은 본 발명에 따른 액정표시장치의 액정패널로 출력되는 데이터전압들의 극성을 나타낸 예시도.
도 8은 본 발명에 따른 액정표시장치에서의 플리커 수준과 종래의 액정표시장치에서의 플리커 수준을 비교한 그래프.
300 : 구동 집적 회로 400 : 제어부
500 : 구동부
Claims (10)
- 게이트라인들과 데이터라인들의 교차에 의해 정의되는 영역마다 픽셀들이 형성되어 있는 액정패널; 및
적어도 1프레임 마다, 상기 액정패널을 구동하기 위한 네 가지의 인버젼 방식들을 순차적으로 변경시키며, 상기 네 가지의 인버젼 방식들이 적용된 후, 또 다시 상기 네 가지의 인버젼 방식들이 적용될 때, 변경되는 순서를 변경시키는 구동부를 포함하는 액정표시장치. - 삭제
- 제 1 항에 있어서,
상기 구동부는,
상기 네 가지의 인버젼 방식을, 매 프레임마다 순차적으로 변경시키는 것을 특징으로 하는 액정표시장치. - 제 1 항에 있어서,
상기 구동부는,
상기 네 가지의 인버젼 방식을, 네 개의 프레임마다 순차적으로 변경시키는 것을 특징으로 하는 액정표시장치. - 제 4 항에 있어서,
상기 네 가지의 인버젼 방식은, 수직1도트/수평1도트 인버젼 방식((V1H1), 수직2도트/수평1도트 인버젼 방식(V2H1), 수직1도트/수평2도트 인버젼 방식((V1H2), 및 수직2도트/수평2도트 인버젼 방식(V2H2)인 것을 특징으로 하는 액정표시장치. - 적어도 1프레임 마다 네 가지의 인버젼 방식들을 순차적으로 변경시키며, 상기 네 가지의 인버젼 방식들이 적용된 후, 또 다시 상기 네 가지의 인버젼 방식들이 적용될 때, 변경되는 순서를 변경시키는 단계; 및
상기 인버젼 방식에 따라 영상데이터들을 데이터전압들로 변경시킨 후, 상기 데이터전압들을 데이터라인들로 출력하는 단계를 포함하는 액정표시장치 구동방법. - 삭제
- 제 6 항에 있어서,
상기 인버젼 방식들을 변경하는 단계는,
상기 네 가지의 인버젼 방식을, 매 프레임마다 순차적으로 변경시키는 것을 특징으로 하는 액정표시장치 구동방법. - 제 6 항에 있어서,
상기 인버젼 방식들을 변경하는 단계는,
상기 네 가지의 인버젼 방식을, 네 개의 프레임마다 순차적으로 변경시키는 것을 특징으로 하는 액정표시장치 구동방법. - 제 9 항에 있어서,
상기 네 가지의 인버젼 방식은, 수직1도트/수평1도트 인버젼 방식((V1H1), 수직2도트/수평1도트 인버젼 방식(V2H1), 수직1도트/수평2도트 인버젼 방식((V1H2), 및 수직2도트/수평2도트 인버젼 방식(V2H2)인 것을 특징으로 하는 액정표시장치 구동방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120150476A KR102019764B1 (ko) | 2012-12-21 | 2012-12-21 | 액정표시장치 및 그 구동방법 |
CN201310460206.8A CN103886819B (zh) | 2012-12-21 | 2013-09-30 | 液晶显示装置及其驱动方法 |
DE102013111908.5A DE102013111908A1 (de) | 2012-12-21 | 2013-10-29 | Flüssigkristall-Anzeigevorrichtung und Ansteuerungsverfahren derselben |
US14/078,266 US9424787B2 (en) | 2012-12-21 | 2013-11-12 | Liquid crystal display device and driving method thereof |
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KR1020120150476A KR102019764B1 (ko) | 2012-12-21 | 2012-12-21 | 액정표시장치 및 그 구동방법 |
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KR20140081101A KR20140081101A (ko) | 2014-07-01 |
KR102019764B1 true KR102019764B1 (ko) | 2019-09-09 |
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US (1) | US9424787B2 (ko) |
KR (1) | KR102019764B1 (ko) |
CN (1) | CN103886819B (ko) |
DE (1) | DE102013111908A1 (ko) |
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CN105206233B (zh) * | 2015-09-11 | 2018-05-18 | 京东方科技集团股份有限公司 | 一种驱动模式切换方法及模块和显示装置 |
US10607522B1 (en) * | 2015-12-28 | 2020-03-31 | Amazon Technologies, Inc. | Adaptive drive scheme for electrowetting displays |
CN105499091A (zh) * | 2016-01-04 | 2016-04-20 | 京东方科技集团股份有限公司 | 一种配向液的涂布方法及涂布装置 |
KR102479508B1 (ko) * | 2016-03-31 | 2022-12-20 | 삼성디스플레이 주식회사 | 표시 장치 |
CN105869599B (zh) * | 2016-06-08 | 2018-07-31 | 武汉天马微电子有限公司 | 一种阵列基板及其驱动方法、以及显示面板 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060279514A1 (en) | 2005-06-10 | 2006-12-14 | Nec Electronics Corporation | Liquid crystal displaying apparatus using data line driving circuit |
US20070030233A1 (en) | 2005-08-04 | 2007-02-08 | Chong-Chul Chai | Liquid crystal display |
JP2009009087A (ja) * | 2007-06-28 | 2009-01-15 | Lg Display Co Ltd | 液晶表示装置とその駆動方法 |
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KR101330459B1 (ko) * | 2007-12-29 | 2013-11-15 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP5175977B2 (ja) * | 2009-05-22 | 2013-04-03 | シャープ株式会社 | 立体表示装置 |
KR101329410B1 (ko) * | 2010-07-19 | 2013-11-14 | 엘지디스플레이 주식회사 | 액정표시장치와 그 구동방법 |
KR101795744B1 (ko) * | 2011-04-06 | 2017-11-09 | 삼성디스플레이 주식회사 | 소음 감소 기능을 가지는 표시 장치 및 소음 감소 방법 |
KR101818567B1 (ko) * | 2011-05-18 | 2018-02-22 | 삼성디스플레이 주식회사 | 표시 패널의 구동 방법 및 이를 수행하는 표시 장치 |
US9214120B2 (en) * | 2012-09-12 | 2015-12-15 | Panasonic Liquid Crystal Display Co., Ltd. | Display device |
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2012
- 2012-12-21 KR KR1020120150476A patent/KR102019764B1/ko active Active
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2013
- 2013-09-30 CN CN201310460206.8A patent/CN103886819B/zh active Active
- 2013-10-29 DE DE102013111908.5A patent/DE102013111908A1/de active Pending
- 2013-11-12 US US14/078,266 patent/US9424787B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060279514A1 (en) | 2005-06-10 | 2006-12-14 | Nec Electronics Corporation | Liquid crystal displaying apparatus using data line driving circuit |
JP2006343625A (ja) | 2005-06-10 | 2006-12-21 | Nec Electronics Corp | 液晶表示装置および液晶表示装置のデータ線駆動回路 |
US20070030233A1 (en) | 2005-08-04 | 2007-02-08 | Chong-Chul Chai | Liquid crystal display |
JP2009009087A (ja) * | 2007-06-28 | 2009-01-15 | Lg Display Co Ltd | 液晶表示装置とその駆動方法 |
Also Published As
Publication number | Publication date |
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DE102013111908A1 (de) | 2014-06-26 |
CN103886819A (zh) | 2014-06-25 |
CN103886819B (zh) | 2016-08-24 |
US20140176408A1 (en) | 2014-06-26 |
KR20140081101A (ko) | 2014-07-01 |
US9424787B2 (en) | 2016-08-23 |
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