JP2007072463A - 表示装置の駆動装置及びこれを含む表示装置 - Google Patents
表示装置の駆動装置及びこれを含む表示装置 Download PDFInfo
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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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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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
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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
-
- 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
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/28—Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
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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
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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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
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic 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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Shift Register Type Memory (AREA)
Abstract
【解決手段】本発明による表示装置の駆動装置は、ゲート信号を伝達する複数のゲート線、そしてゲート線のうち奇数番目及び偶数番目のゲート線に各々接続され、複数のクロック信号に基づいて前記ゲート信号を生成する第1及び第2ゲート駆動部を含み、複数のクロック信号のうち隣接する二つのクロック信号の位相差は、180゜以上360゜未満である。
【選択図】図6A
Description
図1に示すように、本発明の一実施例による液晶表示装置は、液晶表示板組立体(liquid crystal panel assembly)300、これに接続されるゲート駆動部400L、400R及びデータ駆動部500、データ駆動部500に接続される階調電圧生成部800、及びこれらを制御する信号制御部600を含む。
100 下部表示板
191 画素電極
200 上部表示板
230 色フィルター
270 共通電極
300 液晶表示板組立体
400L、400R ゲート駆動部
410L、410R ステージ
500 データ駆動部
510 FPC基板
521 データ伝達線
522a、522b、523a、523b 信号伝達線
540 データ駆動回路チップ
551a、551b 信号伝達線
600 信号制御部
800 階調電圧生成部
LSTV、RSTV 走査開始信号
R、G、B 入力画像信号
DE データイネーブル信号
MCLK メインクロック
Hsync 水平同期信号
Vsync 垂直同期信号
CONT1 ゲート制御信号
CONT2 データ制御信号
DAT デジタル画像信号
Clc 液晶キャパシタ
Cst ストレージキャパシタ
Q スイッチング素子
L1、L2 ダミー線
LCLK1、RCLK1、LCLK2、RCLK2 第1乃至第4クロック信号
Claims (20)
- ゲート信号を伝達する複数のゲート線と、
前記ゲート線のうち奇数番目及び偶数番目のゲート線に各々接続され、複数のクロック信号に基づいて前記ゲート信号を生成する第1及び第2ゲート駆動部を含む表示装置の駆動装置であって、
前記複数のクロック信号のうち隣接する二つのクロック信号の位相差は、180゜以上360゜未満であることを特徴とする表示装置の駆動装置。 - 前記複数のクロック信号のうちの隣接しない二つの信号の位相差は、180゜であることを特徴とする請求項1に記載の表示装置の駆動装置。
- 前記複数のクロック信号のデューティ比は、50%であることを特徴とする請求項2に記載の表示装置の駆動装置。
- 前記複数のクロック信号は、第1乃至第4クロック信号を含み、
前記第1クロック信号及び前記第2クロック信号の位相差、または前記第3クロック信号及び前記第4クロック信号の位相差は、180゜以上360゜未満であることを特徴とする請求項1に記載の表示装置の駆動装置。 - 前記第1クロック信号及び前記第3クロック信号の位相差、または前記第2クロック信号及び前記第4クロック信号の位相差は、180゜であることを特徴とする請求項4に記載の表示装置の駆動装置。
- 前記第1及び第3クロック信号は前記第1ゲート駆動部に入力され、前記第2及び第4クロック信号は前記第2ゲート駆動部に入力されることを特徴とする請求項5に記載の表示装置の駆動装置。
- 前記第1及び第2ゲート駆動部には、第1及び第2出力開始信号が各々入力されることを特徴とする請求項6に記載の表示装置の駆動装置。
- 前記第1及び第2出力開始信号の位相差は、180゜以上360゜未満であることを特徴とする請求項7に記載の表示装置の駆動装置。
- 行列状に配列されている複数の画素、
前記画素にゲート信号を伝達する複数のゲート線、
前記画素にデータ信号を伝達する複数のデータ線、及び
前記ゲート線のうち奇数番目及び偶数番目のゲート線に各々接続され、複数のクロック信号に基づいて前記ゲート信号を生成する第1及び第2ゲート駆動部を含み、
前記複数のクロック信号のうち隣接する二つのクロック信号の位相差は、180゜以上360゜未満であることを特徴とする表示装置。 - 前記複数のクロック信号のうち隣接しない二つの信号の位相差は、180゜であることを特徴とする請求項9に記載の表示装置。
- 前記複数のクロック信号のデューティ比は、50%であることを特徴とする請求項10に記載の表示装置の駆動装置。
- 前記複数のクロック信号は、第1乃至第4クロック信号を含み、
前記第1クロック信号及び前記第2クロック信号の位相差、または前記第3クロック信号及び前記第4クロック信号の位相差は、180゜以上360゜未満であることを特徴とする請求項9に記載の表示装置。 - 前記第1クロック信号及び前記第3クロック信号の位相差、または前記第2クロック信号及び前記第4クロック信号の位相差は、180゜であることを特徴とする請求項12に記載の表示装置。
- 前記第1及び第3クロック信号は前記第1ゲート駆動部に入力され、前記第2及び第4クロック信号は前記第2ゲート駆動部に入力されることを特徴とする請求項13に記載の表示装置。
- 前記第1及び第2ゲート駆動部には、第1及び第2出力開始信号が各々入力されることを特徴とする請求項14に記載の表示装置。
- 前記第1及び第2出力開始信号の位相差は、180゜以上360゜未満であることを特徴とする請求項15に記載の表示装置。
- 前記画素のうち隣接する二つのデータ線の間に行方向に配列されている二つの画素(画素のペア)は、同一のデータ線に接続していることを特徴とする請求項16に記載の表示装置。
- 前記画素のペアの二つの画素は、互いに異なるゲート線に接続していることを特徴とする請求項17に記載の表示装置。
- 前記表示装置は、前記データ信号を生成するデータ駆動部をさらに含み、
前記データ駆動部は、前記画素が列方向に配列している複数の画素行のうちで、第1画素行に位置する前記画素のペアの二つの画素のうち先に前記ゲート信号の印加を受ける画素には、残りの画素より長時間にわたって前記データ信号を印加することを特徴とする請求項18に記載の表示装置。 - 前記第1及び第2ゲート駆動部は、前記表示装置に集積されていることを特徴とする請求項9に記載の表示装置。
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KR1020050083039A KR101189273B1 (ko) | 2005-09-07 | 2005-09-07 | 표시 장치의 구동 장치 및 이를 포함하는 표시 장치 |
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US (1) | US20070052658A1 (ja) |
JP (1) | JP2007072463A (ja) |
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CN (1) | CN1928981A (ja) |
TW (1) | TWI416456B (ja) |
Cited By (4)
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JP2012173742A (ja) * | 2011-02-23 | 2012-09-10 | Samsung Electronics Co Ltd | 表示パネル及びそれを含む表示装置 |
WO2013179537A1 (ja) * | 2012-05-28 | 2013-12-05 | パナソニック液晶ディスプレイ株式会社 | 液晶表示装置 |
JP2014139670A (ja) * | 2012-12-21 | 2014-07-31 | Beijing Boe Optoelectronics Technology Co Ltd | ディスプレイ駆動方法 |
JP2016026367A (ja) * | 2010-02-18 | 2016-02-12 | 株式会社半導体エネルギー研究所 | 半導体装置 |
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Also Published As
Publication number | Publication date |
---|---|
US20070052658A1 (en) | 2007-03-08 |
KR101189273B1 (ko) | 2012-10-09 |
TWI416456B (zh) | 2013-11-21 |
KR20070028744A (ko) | 2007-03-13 |
CN1928981A (zh) | 2007-03-14 |
TW200727232A (en) | 2007-07-16 |
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