JP5728465B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP5728465B2 JP5728465B2 JP2012279392A JP2012279392A JP5728465B2 JP 5728465 B2 JP5728465 B2 JP 5728465B2 JP 2012279392 A JP2012279392 A JP 2012279392A JP 2012279392 A JP2012279392 A JP 2012279392A JP 5728465 B2 JP5728465 B2 JP 5728465B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 103
- 102100040862 Dual specificity protein kinase CLK1 Human genes 0.000 description 26
- 101000749294 Homo sapiens Dual specificity protein kinase CLK1 Proteins 0.000 description 21
- 238000010586 diagram Methods 0.000 description 12
- 239000010409 thin film Substances 0.000 description 12
- 102100040858 Dual specificity protein kinase CLK4 Human genes 0.000 description 11
- 101000749298 Homo sapiens Dual specificity protein kinase CLK4 Proteins 0.000 description 11
- 102100029136 Collagen alpha-1(II) chain Human genes 0.000 description 8
- 102100040844 Dual specificity protein kinase CLK2 Human genes 0.000 description 8
- 102100040856 Dual specificity protein kinase CLK3 Human genes 0.000 description 8
- 101000771163 Homo sapiens Collagen alpha-1(II) chain Proteins 0.000 description 8
- 101000749291 Homo sapiens Dual specificity protein kinase CLK2 Proteins 0.000 description 8
- 101000749304 Homo sapiens Dual specificity protein kinase CLK3 Proteins 0.000 description 8
- 101100386054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CYS3 gene Proteins 0.000 description 7
- 101150035983 str1 gene Proteins 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 101100068676 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) gln-1 gene Proteins 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 102100033825 Collagen alpha-1(XI) chain Human genes 0.000 description 4
- 101000710623 Homo sapiens Collagen alpha-1(XI) chain Proteins 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 101000831887 Homo sapiens STE20-related kinase adapter protein alpha Proteins 0.000 description 1
- 101000885321 Homo sapiens Serine/threonine-protein kinase DCLK1 Proteins 0.000 description 1
- 102100024171 STE20-related kinase adapter protein alpha Human genes 0.000 description 1
- 102100039758 Serine/threonine-protein kinase DCLK1 Human genes 0.000 description 1
- 208000036351 autosomal dominant otospondylomegaepiphyseal dysplasia Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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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
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- 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
- 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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
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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
- G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes
-
- 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
-
- 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
- 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
- G11C19/287—Organisation of a multiplicity of shift registers
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
データ駆動部125は、タイミング制御部122から入力されるデータ制御信号DCSに対応して入力されるデジタル形態の変調映像データRGBvを基準電圧Vrefに応じて選択的にアナログ形態のデータ電圧VDATAに変換する。データ電圧VDATAは、1つの水平ラインずつラッチされ、1つの水平期間1Hの間全てのデータラインDL1〜DLmを介して同時に液晶ディスプレイパネル101に入力される。
120:タイミング制御部
125:データ駆動部
140:ゲート駆動部
A/A:表示領域
N/A:非表示領域
TL1〜TLj:L−放電回路(放電トランジスタ)
TR1〜TRj:R−放電回路(放電トランジスタ)
TFT:薄膜トランジスタ
Clc:液晶キャパシタ
Cst:ストレージキャパシタ
Claims (14)
- n(nは自然数)個のゲートラインが形成された液晶ディスプレイパネル、
外部システムからタイミング信号が印加されて第1乃至第6クロック信号を生成するタイミング制御部、
第1、第3及び第5クロック信号に対応してゲートハイ電圧を2k−1(kは前記nより小さい自然数)番目のゲートラインの一側に印加する第1ゲート駆動部、
第2、第4及び第6クロック信号に対応して前記ゲートハイ電圧を2k番目のゲートラインの一側に印加する第2ゲート駆動部、
2k+3番目のゲートラインの電圧レベルに対応して前記2k番目のゲートラインの他側にゲートロー電圧を印加するL−放電回路、
2k+2番目のゲートラインの電圧レベルに対応して第2k−1番目ゲートラインの他側にゲートロー電圧を印加するR−放電回路を含み、
前記第1ゲート駆動部は、ゲートハイ電圧を出力するゲート出力端と前記L−放電回路を制御するキャリー信号出力端を含む複数個のL−ステージを含み、
前記第2ゲート駆動部は、ゲートハイ電圧を出力する出力端と前記R−放電回路を制御するキャリー信号出力端とを含み、
前記第1ゲート駆動部のL−ステージと前記第2ゲート駆動部のR−ステージの出力部は、ゲートハイ電圧を出力するゲート出力部と、L又はR−放電回路を制御するキャリー信号を出力するキャリー信号出力部をそれぞれ備え、
前記第1ゲート駆動部のL−ステージと連結されたゲートラインの終端と前記第2ゲート駆動部と連結された第1ゲートロー電圧供給ラインとの間にそれぞれR−放電回路が連結され、前記第2ゲート駆動部のR−ステージと連結されたゲートラインの終端と前記第1ゲート駆動部と連結された第2ゲートロー電圧供給ラインとの間にそれぞれL−放電回路が連結され、
前記R−放電回路は、前記第2ゲート駆動部のR−ステージのキャリー信号出力部から出力されるキャリー信号により動作するR−ステージを含む液晶表示装置。 - 前記第1乃至第6クロック信号は、
3水平期間3Hのハイ区間をそれぞれ有し、前後の信号の間2水平期間2Hが重なる
ことを特徴とする請求項1に記載の液晶表示装置。 - 前記第1ゲート駆動部は、前記L−放電回路と連結される少なくとも1つのダミーL−ステージをさらに含む
ことを特徴とする請求項1に記載の液晶表示装置。 - 前記L−放電回路は、
前記2k番目のゲートラインと連結される第1電極、
前記ゲートロー電圧が印加される第2電極、
前記2k+3番目のゲートラインと連結されたL−ステージのキャリー信号出力端と連結されるゲート電極をそれぞれ含むトランジスタである
ことを特徴とする請求項1に記載の液晶表示装置。 - 前記ゲート出力部は、互いに直列に連結された第1プルアップトランジスタと第1プルダウントランジスタを備え、
前記キャリー信号出力部は、互いに直列に連結された第2プルアップトランジスタと第2プルダウントランジスタを備え、
前記ゲート出力部の互いに直列に連結された第1プルアップトランジスタと第1プルダウントランジスタと、キャリー信号出力部の互いに直列に連結された第2プルアップトランジスタと第2プルダウントランジスタは、それぞれ両終端が互いに共通に連結された並列連結構造である
ことを特徴とする請求項1に記載の液晶表示装置。 - 前記第2ゲート駆動部は、前記R−放電回路と連結される少なくとも1つのダミーR−ステージをさらに含む
ことを特徴とする請求項1に記載の液晶表示装置。 - 前記R−放電回路は、
前記2k−1番目のゲートラインと連結される第1電極、
前記ゲートロー電圧が印加される第2電極、
前記2k+2番目のゲートラインと連結されるR−ステージのキャリー信号出力端と連結されるゲート電極を含む複数のトランジスタである
ことを特徴とする請求項5に記載の液晶表示装置。 - 前記第1及び第2ゲート駆動部は、液晶パネルの非表示領域に内蔵される
ことを特徴とする請求項1に記載の液晶表示装置。 - 複数のゲートラインが形成された液晶ディスプレイパネル、
異なる位相を有する少なくとも4つ以上のクロック信号を生成する制御部、
前記制御部からの少なくとも2つ以上のクロック信号に応じてゲートハイ電圧を2k−1(kはnより小さい自然数)番目のゲートラインに印加する第1ゲート駆動部、
前記制御部からの少なくとも2つ以上のクロック信号に応じて前記ゲートハイ電圧を2k番目のゲートラインに印加する第2ゲート駆動部、
2k+2番目のゲートラインの電圧レベルに対応して前記2k番目のゲートラインの他側にゲートロー電圧を印加するL−放電回路、
2k+1番目のゲートラインの電圧レベルに対応して第2k−1番目のゲートラインの他側にゲートロー電圧を印加するR−放電回路を含み、
前記第1ゲート駆動部は、対応する2k−1番目のゲートラインに前記ゲートハイ電圧を出力するゲート出力部と2k−1番目のゲートラインのうちいずれか1つに連結された放電回路に前記キャリー信号を出力するキャリー出力部を含む複数の1次ステージを含み、
前記第2ゲート駆動部は、対応する2k番目のゲートラインに前記ゲートハイ電圧を出力するゲート出力部と2k番目のゲートのうちいずれか1つに連結された放電回路に前記キャリー信号を出力するキャリー出力部を含む複数の2次ステージを含み、
前記第1ゲート駆動部の2k+1番目のゲートラインに接続された1次ステージのキャリー出力部は、2k−1番目のゲートラインに接続されたR−放電回路にキャリー信号を供給し、
前記第2ゲート駆動部の2k+2番目のゲートラインに接続された2次ステージのキャリー出力部は、2k番目のゲートラインに接続されたL−放電回路にキャリー信号を供給し、
前記R−放電回路は、前記第1ゲート駆動部の1次ステージと連結されたゲートラインの終端と前記第2ゲート駆動部と連結された第1ゲートロー電圧供給ラインとの間にそれぞれ連結され、
前記L−放電回路は、前記第2ゲート駆動部の2次ステージと連結されたゲートラインの終端と前記第1ゲート駆動部と連結された第2ゲートロー電圧供給ラインとの間にそれぞれ連結される、液晶表示装置。 - 前記少なくとも4つ以上のクロック信号は第1乃至第4クロック信号を含み、それぞれ2水平期間2Hのハイ区間を有し、前後の信号間で1水平期間1Hが重なる
ことを特徴とする請求項9に記載の液晶表示装置。 - 前記第1ゲート駆動部は、第1及び第3クロック信号を制御部から入力し、第2ゲート駆動部は第2及び第4クロック信号を制御部から入力する
ことを特徴とする請求項10に記載の液晶表示装置。 - 前記第1ゲート駆動部は、L−放電回路のうち最後の段以後に1次ダミーステージをさらに含み、前記第2ゲート駆動部は、R−放電回路のうち最後の段以後に2次ダミーステージを追加して含む
ことを特徴とする請求項9に記載の液晶表示装置。 - 前記L−放電回路は、
前記2k番目のゲートラインと連結される第1電極、
前記ゲートロー電圧が印加される第2電極、
前記2k+2番目のゲートラインと対応するキャリー出力部に連結されるゲート電極を含むトランジスタをそれぞれ含む
ことを特徴とする請求項9に記載の液晶表示装置。 - 前記R−放電回路は、
前記2k−1番目のゲートラインと連結される第1電極、
前記ゲートロー電圧が印加される第2電極、
前記2k+1番目のゲートラインと連結されたL−ステージのキャリー信号力端と連結されるゲート電極をそれぞれ含むトランジスタである
ことを特徴とする請求項9に記載の液晶表示装置。
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