JP2014232332A - 液晶パネル - Google Patents
液晶パネル Download PDFInfo
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- JP2014232332A JP2014232332A JP2014179668A JP2014179668A JP2014232332A JP 2014232332 A JP2014232332 A JP 2014232332A JP 2014179668 A JP2014179668 A JP 2014179668A JP 2014179668 A JP2014179668 A JP 2014179668A JP 2014232332 A JP2014232332 A JP 2014232332A
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136213—Storage capacitors associated with the pixel electrode
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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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
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/66—Transforming electric information into light information
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
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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
- G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
- G09G2300/0447—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations for multi-domain technique to improve the viewing angle in a liquid crystal display, such as multi-vertical alignment [MVA]
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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
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0847—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory without any storage capacitor, i.e. with use of parasitic capacitances as storage 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
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0876—Supplementary capacities in pixels having special driving circuits and electrodes instead of being connected to common electrode or ground; Use of additional capacitively coupled compensation electrodes
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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
- G09G2320/0204—Compensation of DC component across the pixels in flat panels
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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
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
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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
Abstract
Description
10a 画素領域
11 カラーフィルタ基板
12 アレイ基板
13 液晶層
15 シール材
17、18 偏光板
20 バックライト
22 光源
24 バックライトシャーシ
26 光学シート
30 ベゼル
32 フレーム
42 画素電極
42a、42b (副画素の)画素電極
43a ソースバスライン
43b ゲートバスライン
43c Csバスライン(補助容量配線)
46 配向膜
47、47a、47b 薄膜トランジスタ
52 ブラックマトリクス
53 カラーフィルタ
55 対向電極
59 スペーサ
71 ソースドライバ
72 ゲートドライバ
100 液晶表示装置
121 ソース電極
122 ゲート電極
123a、123b ドレイン電極
142a、142b 補助容量電極
144a、144b 引出配線
180 幹配線群
181〜184 幹配線
200 制御部
201 信号入力部
202 タイミング制御部
203 電源
310 枝配線
320 横幹配線
A 画素
AR、AG、AB サブ画素
c 補助容量の制御信号
Clc 液晶層を操作するコンデンサ
Cs 補助容量
e 電荷
Pa、Pb 副画素
SG 走査信号
Vcs1 リップル
Claims (20)
- 行及び列を有するマトリクス状に複数の画素が配置された液晶パネルであって、
前記各画素に設けられた補助容量と、
前記行方向に配線されており、当該行方向に配置された各補助容量に接続された、複数の補助容量配線と、
前記列方向に配線された複数の枝配線と、
前記枝配線および前記補助容量配線を通じて前記補助容量に制御信号を送る制御信号供給部と、
を備え、
前記列方向の縁部に配線された横幹配線を備えている、液晶パネル。 - 前記複数の画素が配置された画素領域は、ソースドライバ側の縁部と、ゲートドライバ側の縁部とを有しており、
前記横幹配線は、前記ソースドライバ側の縁部に配線されている、請求項1に記載の液晶パネル。 - 前記枝配線は前記横幹配線に電気的に接続されている、請求項1又は2に記載の液晶パネル。
- 前記行方向の少なくとも一方の縁部に配線され、前記補助容量配線が接続された幹配線を備え、
前記幹配線は前記制御信号供給部に接続されており、前記幹配線から前記補助容量配線を通じて前記補助容量に制御信号が送られる、請求項1から3の何れか一項に記載された液晶パネル。 - 前記複数の枝配線は、複数のグループに分けられており、同一のグループに属する枝配線に同じ制御信号が送られるように前記制御信号供給部に接続されており、
前記複数の補助容量配線は、それぞれ1つのグループに属する枝配線に接続されている、請求項1から4の何れか一項に記載された液晶パネル。 - 前記行方向の少なくとも一方の縁部に配線された幹配線を備え、
前記補助容量配線は、前記幹配線に接続され、
前記幹配線には、前記制御信号供給部によって、前記補助容量配線が接続された枝配線に送られる制御信号が送られる、請求項1から4の何れか一項に記載された液晶パネル。 - 前記各画素は、それぞれ同様に枝配線が配線されている、請求項1から6までの何れか一項に記載された液晶パネル。
- 前記各画素はそれぞれRGBのサブ画素を備え、前記枝配線は前記RGBのサブ画素のうちRのサブ画素に配線されている、請求項1から6までの何れか一項に記載された液晶パネル。
- 前記各画素はそれぞれRGBのサブ画素を備え、前記枝配線は前記RGBのサブ画素のうちGのサブ画素に配線されている、請求項1から6までの何れか一項に記載された液晶パネル。
- 前記各画素はそれぞれRGBのサブ画素を備え、前記枝配線は前記RGBのサブ画素のうちBのサブ画素に配線されている、請求項1から6までの何れか一項に記載された液晶パネル。
- 前記液晶パネルは、
液晶層と、
前記液晶層を挟む一対の基板と、
前記一対の基板のうち一方の基板に形成された画素電極と
を備え、
信号電圧変化の方向が逆で変化量が同一の一対の制御信号が供給される2本の枝配線を、前記画素電極が形成された領域を通るように配線した、請求項1から10までの何れか一項に記載された液晶パネル。 - 前記液晶パネルは、
液晶層と、
前記液晶層を挟む一対の基板と、
前記一対の基板のうち一方の基板に形成された対向電極と、
前記対向電極に対向して、他方の基板に形成された画素電極と
を備え、
前記画素の画素電極が形成された領域を通るように、複数の枝配線が配線されており、
前記枝配線と画素電極との間に形成される容量が等しい、請求項1から10までの何れか一項に記載された液晶パネル。 - 前記液晶パネルは、
液晶層と、
前記液晶層を挟む一対の基板と、
前記一対の基板のうち一方の基板に形成された対向電極と、
前記対向電極に対向して、他方の基板に形成された画素電極と
を備え、
前記画素の画素電極が形成された領域を通るように、複数の枝配線が配線されており、
前記各枝配線と画素電極との間に形成される複数の容量の最大値が、最小値の2倍以下である、請求項1から10までの何れか一項に記載された液晶パネル。 - 前記液晶パネルは、
液晶層と、
前記液晶層を挟む一対の基板と、
前記一対の基板のうち一方の基板に形成された対向電極と、
前記対向電極に対向して、他方の基板に形成された画素電極と
を備え、
前記画素の画素電極が形成された領域を通るように、複数の枝配線が配線されており、
前記各枝配線が画素電極に重なる投影面積が等しい、請求項1から10までの何れか一項に記載された液晶パネル。 - 前記液晶パネルは、
液晶層と、
前記液晶層を挟む一対の基板と、
前記一対の基板のうち一方の基板に形成された対向電極と、
前記対向電極に対向して、他方の基板に形成された画素電極と
を備え、
前記画素の画素電極が形成された領域を通るように、複数の枝配線が配線されており、
前記各枝配線が画素電極に重なる投影面積の最大値が、最小値の2倍以下である、請求項1から10までの何れか一項に記載された液晶パネル。 - 前記液晶パネルは、
液晶層と、
前記液晶層を挟む一対の基板と、
前記一対の基板のうち一方の基板に形成された対向電極と、
前記対向電極に対向して、他方の基板に形成された画素電極と
を備え、
前記枝配線は、前記画素の画素電極が形成された領域を通るように配線されており、
前記対向電極と画素電極とで形成される容量をClcとし、
前記補助容量の容量をCsとし、
前記枝配線と画素電極との間に形成される容量をCxとした場合に、
Cx/(Clc+Cs+Cx)≦0.2になるように構成された、請求項1から10までの何れか一項に記載された液晶パネル。 - 前記液晶パネルは、
液晶層と、
前記液晶層を挟む一対の基板と、
前記一対の基板のうち一方の基板に形成された画素電極と
を備え、
前記画素電極間に隙間が形成されており、当該隙間を通るように枝配線が配線された、請求項1から10までの何れか一項に記載された液晶パネル。 - 各画素は、輝度レベルが異なる副画素を有し、
当該輝度レベルが異なる副画素は、それぞれ異なる補助容量配線に接続された補助容量を備えており、
前記輝度レベルが異なる副画素に設けられた補助容量には、前記異なる補助容量配線を通じて、信号電圧変化の方向が逆で変化量が同一の一対の制御信号が送られる、請求項1から17までの何れか一項に記載された液晶パネル。 - 請求項1から18までの何れか一項に記載された液晶パネルを備えた、液晶表示装置。
- 請求項19に記載された液晶表示装置を備えた、液晶TV。
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EP (1) | EP2434339B1 (ja) |
JP (3) | JP5335902B2 (ja) |
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EP2434339A4 (en) | 2013-04-03 |
CN102428404B (zh) | 2015-07-15 |
CN102428404A (zh) | 2012-04-25 |
RU2486558C1 (ru) | 2013-06-27 |
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