JP2010092009A - データ駆動方法、これを行うためのデータ駆動回路、及びこのデータ駆動回路を含む表示装置 - Google Patents
データ駆動方法、これを行うためのデータ駆動回路、及びこのデータ駆動回路を含む表示装置 Download PDFInfo
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- JP2010092009A JP2010092009A JP2009115263A JP2009115263A JP2010092009A JP 2010092009 A JP2010092009 A JP 2010092009A JP 2009115263 A JP2009115263 A JP 2009115263A JP 2009115263 A JP2009115263 A JP 2009115263A JP 2010092009 A JP2010092009 A JP 2010092009A
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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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0413—Details of dummy pixels or dummy lines 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (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)
- Liquid Crystal (AREA)
Abstract
【解決手段】データ駆動方法は、画素に対応するデータを受信する。受信したデータをアナログのデータ電圧に変換して複数のデータ配線に出力する。データ電圧の一番目のデータ電圧と最後のデータ電圧とのうちの1つを複数のデータ配線のうちの一つのデータ配線と隣接するように配置されたダミーデータ配線に出力する。これによって、データ駆動回路のサイズを減少させることができる。
【選択図】図4
Description
200 制御モジュール
210 メイン印刷回路基板
250 制御回路
300 駆動モジュール
310 ソース印刷回路基板
400 データ駆動回路
410 ラッチ部
420 デジタル−アナログ変換部
440 出力部
460 ダミー出力部
461 第1ダミーMUX
462 第2ダミーMUX
Claims (11)
- 画素に対応するデータを受信し、
受信した前記データをアナログのデータ電圧に変換して複数のデータ配線に出力し、
前記データ電圧の一番目のデータ電圧と最後のデータ電圧とのうち1つを前記複数のデータ配線のうちの一つのデータ配線と隣接するように配置されたダミーデータ配線に出力すること、
を含むことを特徴とするデータ駆動方法。 - 互いに隣接したデータ配線には、基準電圧を基準に互いに反転した極性を有する第1極性及び第2極性のデータ電圧がそれぞれ印加されることを特徴とする請求項1記載のデータ駆動方法。
- 前記データ配線には、M(Mは自然数)番目のフレームとM+1番目のフレームとに互いに異なる極性のデータ電圧が印加されることを特徴とする請求項2記載のデータ駆動方法。
- 画素に対応するデータを受信するラッチ部と、
前記ラッチ部から出力された前記データをアナログのデータ電圧に変換するデジタル−アナログ変換部と、
前記データ電圧を緩衝して複数のデータ配線に出力する出力部と、
前記出力部から出力されるデータ電圧のうち一番目のデータ電圧と最後のデータ電圧とを受信し、前記一番目及び最後のデータ電圧のうち1つを前記データ配線と隣接するように配置されたダミーデータ配線に出力するダミー出力部と、
を含むことを特徴とするデータ駆動回路。 - 複数のデータ配線、前記複数のデータ配線のうちの一つのデータ配線に隣接するように配置されたダミーデータ配線、及び前記データ配線と交差する複数のゲート配線を含む表示パネルと、
画素に対応するデータを受信して出力するラッチ部、前記ラッチ部から出力された前記データをアナログのデータ電圧に変換するデジタル−アナログ変換部、前記データ電圧を緩衝して複数のデータ配線に出力する出力部、及び前記データ電圧のうち一番目のデータ電圧と最後のデータ電圧とを受信して前記一番目及び最後のデータ電圧のうち1つを前記ダミーデータ配線に出力するダミー出力部、を含むデータ駆動回路と、
を含む表示装置。 - 前記ダミー出力部は、
前記一番目のデータ電圧を出力する出力端子と隣接するように配置された第1ダミーMUXと、
前記最後のデータ電圧を出力する出力端子と隣接するように配置された第2ダミーMUXと、の少なくとも一つを含むことを特徴とする請求項5記載の表示装置。 - 前記ダミーデータ配線が前記データ配線のうち一番目のデータ配線に隣接するように配置された場合、前記第1ダミーMUXは、前記ダミーデータ配線にデータ電圧を出力することを特徴とする請求項6記載の表示装置。
- 前記ダミーデータ配線が前記データ配線のうち最後のデータ配線に隣接するように配置された場合、前記第2ダミーMUXは、前記ダミーデータ配線にデータ電圧を出力することを特徴とする請求項6記載の表示装置。
- 前記表示パネルは、
互いに隣接したデータ配線の間に配置された垂直列の画素を含み、前記垂直列の画素は、前記互いに隣接したデータ配線に交互に電気的に接続されることを特徴とする請求項5記載の表示装置。 - 前記データ駆動回路は、前記互いに隣接したデータ配線に基準電圧を基準に互いに反転した極性を有する第1極性及び第2極性のデータ電圧を出力することを特徴とする請求項5記載の表示装置。
- 前記データ駆動回路は、前記データ配線にM(Mは自然数)番目のフレームとM+1番目のフレームとに互いに異なる極性のデータ電圧を出力することを特徴とする請求項5記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2008-0097586 | 2008-10-06 | ||
KR1020080097586A KR101520805B1 (ko) | 2008-10-06 | 2008-10-06 | 데이터 구동방법, 이를 수행하기 위한 데이터 구동회로 및 이 데이터 구동회로를 포함하는 표시 장치 |
Publications (3)
Publication Number | Publication Date |
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JP2010092009A true JP2010092009A (ja) | 2010-04-22 |
JP2010092009A5 JP2010092009A5 (ja) | 2012-04-12 |
JP5689589B2 JP5689589B2 (ja) | 2015-03-25 |
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JP2009115263A Expired - Fee Related JP5689589B2 (ja) | 2008-10-06 | 2009-05-12 | データ駆動方法、これを行うためのデータ駆動回路、及びこのデータ駆動回路を含む表示装置 |
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US (1) | US9576546B2 (ja) |
JP (1) | JP5689589B2 (ja) |
KR (1) | KR101520805B1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012108392A (ja) * | 2010-11-18 | 2012-06-07 | Optrex Corp | 液晶表示装置 |
JP2013104988A (ja) * | 2011-11-14 | 2013-05-30 | Funai Electric Co Ltd | 液晶表示装置 |
KR20160022415A (ko) * | 2014-08-19 | 2016-03-02 | 엘지디스플레이 주식회사 | 데이터 구동부 및 이를 이용한 표시장치 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101307554B1 (ko) * | 2009-07-10 | 2013-09-12 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP2013020188A (ja) * | 2011-07-13 | 2013-01-31 | Panasonic Liquid Crystal Display Co Ltd | 液晶表示装置 |
KR20130049618A (ko) * | 2011-11-04 | 2013-05-14 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 구동 방법 |
CN103280195B (zh) * | 2012-06-28 | 2016-01-13 | 上海天马微电子有限公司 | 采用列反转驱动实现点反转的液晶显示装置及其驱动方法 |
US9224352B2 (en) * | 2014-01-15 | 2015-12-29 | Innolux Corporation | Display device with de-multiplexers having different de-multiplex ratios |
KR101698801B1 (ko) * | 2015-06-17 | 2017-01-24 | 삼성디스플레이 주식회사 | 표시 장치 |
KR102480833B1 (ko) * | 2016-06-13 | 2022-12-23 | 엘지디스플레이 주식회사 | 표시 장치 및 그의 구동 방법 |
KR102566085B1 (ko) * | 2016-07-07 | 2023-08-14 | 삼성디스플레이 주식회사 | 표시 패널 및 이를 포함하는 표시 장치 |
KR20220019905A (ko) * | 2020-08-10 | 2022-02-18 | 삼성디스플레이 주식회사 | 표시 장치 |
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KR102003937B1 (ko) * | 2013-06-26 | 2019-07-29 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 이를 포함하는 표시 장치 |
-
2008
- 2008-10-06 KR KR1020080097586A patent/KR101520805B1/ko not_active IP Right Cessation
-
2009
- 2009-04-08 US US12/420,445 patent/US9576546B2/en active Active
- 2009-05-12 JP JP2009115263A patent/JP5689589B2/ja not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0916132A (ja) * | 1995-06-28 | 1997-01-17 | Casio Comput Co Ltd | 液晶駆動装置 |
JPH11102174A (ja) * | 1997-09-26 | 1999-04-13 | Texas Instr Japan Ltd | 液晶表示装置 |
JP2001042287A (ja) * | 1999-07-30 | 2001-02-16 | Sony Corp | 液晶表示装置およびその駆動方法 |
KR20020012903A (ko) * | 2000-08-09 | 2002-02-20 | 박종섭 | 엘시디 소스 드라이버 |
JP2003233362A (ja) * | 2001-12-19 | 2003-08-22 | Lg Phillips Lcd Co Ltd | 液晶表示装置 |
WO2004097787A1 (ja) * | 2003-04-30 | 2004-11-11 | Toshiba Matsushita Display Technology Co., Ltd. | 表示装置用アレイ基板及び表示装置 |
JP2007524126A (ja) * | 2004-02-19 | 2007-08-23 | サムスン エレクトロニクス カンパニー リミテッド | 液晶表示パネル及びこれを有する表示装置 |
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JP2008216982A (ja) * | 2007-03-07 | 2008-09-18 | Lg Display Co Ltd | 液晶表示装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012108392A (ja) * | 2010-11-18 | 2012-06-07 | Optrex Corp | 液晶表示装置 |
JP2013104988A (ja) * | 2011-11-14 | 2013-05-30 | Funai Electric Co Ltd | 液晶表示装置 |
KR20160022415A (ko) * | 2014-08-19 | 2016-03-02 | 엘지디스플레이 주식회사 | 데이터 구동부 및 이를 이용한 표시장치 |
KR101669058B1 (ko) | 2014-08-19 | 2016-10-26 | 엘지디스플레이 주식회사 | 데이터 구동부 및 이를 이용한 표시장치 |
Also Published As
Publication number | Publication date |
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KR20100038568A (ko) | 2010-04-15 |
JP5689589B2 (ja) | 2015-03-25 |
US20100085293A1 (en) | 2010-04-08 |
KR101520805B1 (ko) | 2015-05-18 |
US9576546B2 (en) | 2017-02-21 |
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