KR101323090B1 - 액정표시장치와 그 구동방법 - Google Patents
액정표시장치와 그 구동방법 Download PDFInfo
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- KR101323090B1 KR101323090B1 KR1020090020658A KR20090020658A KR101323090B1 KR 101323090 B1 KR101323090 B1 KR 101323090B1 KR 1020090020658 A KR1020090020658 A KR 1020090020658A KR 20090020658 A KR20090020658 A KR 20090020658A KR 101323090 B1 KR101323090 B1 KR 101323090B1
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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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
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
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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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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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
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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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (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 Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (10)
- 다수의 데이터라인, 상기 데이터라인들과 교차되는 다수의 게이트라인, 및 다수의 액정셀들을 포함하며 적색 서브픽셀, 녹색 서브픽셀, 청색 서브픽셀 및 백색 서브픽셀이 하나의 픽셀을 구성하는 쿼드 타입 픽셀 구조를 갖는 액정표시패널;각각 3 수평기간마다 논리가 반전되고 위상이 서로 다른 다수의 극성제어신호들을 순차적으로 출력하는 로직회로;상기 로직회로로부터 입력되는 극성제어신호에 응답하여 데이터전압의 극성을 반전시켜 상기 데이터라인들에 공급하는 데이터 구동회로; 및상기 게이트라인들에 게이트펄스를 순차적으로 공급하는 게이트 구동회로를 구비하고,상기 로직회로는,N(N은 양의 정수) 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되는 제1 극성제어신호를 상기 데이터 구동회로에 공급한 후,N+1 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되고 상기 제1 극성제어신호 대비 1 수평기간만큼 위상이 지연된 제2 극성제어신호를 상기 데이터 구동회로에 공급한 후에,N+2 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되고 상기 제2 극성제어신호 대비 2 수평기간만큼 위상이 지연된 제1 반전 극성제어신호를 상기 데이터 구동회로에 공급한 다음,N+3 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되고 상기 제1 반전 극성제어신호 대비 상기 1 수평기간만큼 위상이 지연된 제2 반전 극성제어신호를 상기 데이터 구동회로에 공급하는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 액정셀들은 수직 3 도트 및 수평 2 도트 인버젼 방식으로 반전되는 데이터전압들을 충전하는 것을 특징으로 하는 액정표시장치.
- 삭제
- 제 1 항에 있어서,상기 로직회로는,상기 제1 극성제어신호를 반전시켜 상기 제1 반전 극성제어신호를 발생하는 제1 인버터;상기 제2 극성제어신호를 반전시켜 상기 제2 반전 극성제어신호를 발생하는 제2 인버터;상기 프레임기간을 카운트하여 선택신호를 발생하는 프레임 콘트롤러; 및상기 선택신호에 응답하여 상기 제1 극성제어신호, 상기 제2 극성제어신호, 상기 제1 반전 극성제어신호 및 상기 제2 반전 극성제어신호의 순으로 상기 데이터 구동회로에 공급되는 극성제어신호를 선택하는 멀티플렉서를 구비하는 것을 특징으로 하는 액정표시장치.
- 삭제
- 제 1 항에 있어서,상기 액정표시패널은 상기 액정셀들이 행방향으로 배열된 표시라인들과 상기 액정셀들이 열방향으로 배열된 다수의 컬럼들을 포함하며,동일한 상기 표시라인과 동일한 컬럼에 존재하는 같은 색의 서브픽셀들에서 상기 액정셀들에는 상반된 극성의 데이터전압들이 충전되는 것을 특징으로 하는 액정표시장치.
- 다수의 데이터라인, 상기 데이터라인들과 교차되는 다수의 게이트라인, 및 다수의 액정셀들을 포함하며 적색 서브픽셀, 녹색 서브픽셀, 청색 서브픽셀 및 백색 서브픽셀이 하나의 픽셀을 구성하는 쿼드 타입 픽셀 구조를 갖는 액정표시패널을 가지는 액정표시장치의 구동방법에 있어서,각각 3 수평기간마다 논리가 반전되고 위상이 서로 다른 다수의 극성제어신호들을 순차적으로 출력하는 단계;상기 극성제어신호에 응답하여 데이터전압의 극성을 반전시켜 상기 데이터라인들에 공급하는 단계; 및상기 게이트라인들에 게이트펄스를 순차적으로 공급하는 단계를 포함하고,상기 극성제어신호들을 순차적으로 출력하는 단계는,N(N은 양의 정수) 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되는 제1 극성제어신호를 상기 데이터라인들에 상기 데이터전압을 공급하는 데이터 구동회로에 공급하는 단계;N+1 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되고 상기 제1 극성제어신호 대비 1 수평기간만큼 위상이 지연된 제2 극성제어신호를 상기 데이터 구동회로에 공급하는 단계;N+2 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되고 상기 제2 극성제어신호 대비 2 수평기간만큼 위상이 지연된 제1 반전 극성제어신호를 상기 데이터 구동회로에 공급하는 단계; 및N+3 번째 프레임기간 동안 상기 3 수평기간마다 논리가 반전되고 상기 제1 반전 극성제어신호 대비 상기 1 수평기간만큼 위상이 지연된 제2 반전 극성제어신호를 상기 데이터 구동회로에 공급하는 단계를 포함하는 것을 특징으로 하는 액정표시장치의 구동방법.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090020658A KR101323090B1 (ko) | 2009-03-11 | 2009-03-11 | 액정표시장치와 그 구동방법 |
CN2009102540770A CN101833906B (zh) | 2009-03-11 | 2009-12-16 | 液晶显示器及其驱动方法 |
JP2009290280A JP5373587B2 (ja) | 2009-03-11 | 2009-12-22 | 液晶表示装置とその駆動方法 |
US12/647,914 US8344984B2 (en) | 2009-03-11 | 2009-12-28 | Liquid crystal display and method of driving the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020090020658A KR101323090B1 (ko) | 2009-03-11 | 2009-03-11 | 액정표시장치와 그 구동방법 |
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KR20100102333A KR20100102333A (ko) | 2010-09-24 |
KR101323090B1 true KR101323090B1 (ko) | 2013-10-29 |
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US (1) | US8344984B2 (ko) |
JP (1) | JP5373587B2 (ko) |
KR (1) | KR101323090B1 (ko) |
CN (1) | CN101833906B (ko) |
Cited By (1)
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KR20180103684A (ko) * | 2017-03-10 | 2018-09-19 | 엘지디스플레이 주식회사 | 화소 데이터 기입 방법 및 화상 표시 장치 |
Families Citing this family (31)
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KR101113560B1 (ko) * | 2009-12-31 | 2012-02-24 | 삼성모바일디스플레이주식회사 | 유기전계발광 표시장치 |
US20110164076A1 (en) * | 2010-01-06 | 2011-07-07 | Sang Tae Lee | Cost-effective display methods and apparatuses |
US20120081347A1 (en) * | 2010-09-30 | 2012-04-05 | Apple Inc. | Low power inversion scheme with minimized number of output transitions |
KR101738476B1 (ko) | 2010-11-17 | 2017-05-23 | 삼성디스플레이 주식회사 | 표시 패널의 구동 방법 및 이를 수행하는 표시 장치 |
KR101257220B1 (ko) * | 2010-11-26 | 2013-04-29 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP5768424B2 (ja) * | 2011-03-22 | 2015-08-26 | ソニー株式会社 | 表示装置 |
TWI442372B (zh) * | 2011-03-22 | 2014-06-21 | Hannstar Display Corp | 場序式-光學補償彎曲排列模式之液晶顯示器 |
CN102237066A (zh) * | 2011-08-18 | 2011-11-09 | 青岛海信电器股份有限公司 | 一种液晶显示器及提高图像对比度的方法 |
KR101352253B1 (ko) * | 2012-04-24 | 2014-01-17 | 엘지디스플레이 주식회사 | 액정표시장치와 그 frc 방법 |
KR102007775B1 (ko) * | 2013-01-31 | 2019-10-21 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 구동방법 |
CN103424907B (zh) * | 2013-09-04 | 2016-04-13 | 格科微电子(上海)有限公司 | 液晶显示器、像素的驱动电路及装置、控制方法及装置 |
CN104658489B (zh) * | 2013-11-20 | 2018-05-11 | 顾晶 | 一种用于lcd面板的驱动方法及其驱动ic |
KR102143926B1 (ko) * | 2013-12-13 | 2020-08-13 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 구동 방법 |
KR102279815B1 (ko) * | 2014-03-18 | 2021-07-21 | 엘지디스플레이 주식회사 | 액정 표시 장치 및 그 구동방법 |
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Also Published As
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US8344984B2 (en) | 2013-01-01 |
JP2010211187A (ja) | 2010-09-24 |
JP5373587B2 (ja) | 2013-12-18 |
US20100231564A1 (en) | 2010-09-16 |
CN101833906A (zh) | 2010-09-15 |
CN101833906B (zh) | 2012-10-03 |
KR20100102333A (ko) | 2010-09-24 |
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