JP2008286933A - 液晶表示装置 - Google Patents
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- 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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- 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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- 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
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- 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
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- 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
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- 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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Abstract
【解決手段】 第1のスイッチング素子および前記第1のスイッチング素子に接続された第1の画素電極と、第2のスイッチング素子および前記第2のスイッチング素子に接続された第2の画素電極とを有する画素の集合により表示領域が設定されている液晶表示装置であって、1つの画素における前記第1のスイッチング素子と前記第2のスイッチング素子とは、それぞれ、異なる映像信号線に接続されており、1フレーム期間中の、1つの画素の前記第1の画素電極に加わる信号の電位と対向電極に加わる信号の電位との関係と、当該1つの画素の前記第2の画素電極に加わる信号の電位と対向電極に加わる信号の電位との関係とは、一方が正極性の関係であり、他方が負極性の関係である液晶表示装置。
【選択図】 図5
Description
なお、実施例を説明するための全図において、同一機能を有するものは、同一符号を付け、その繰り返しの説明は省略する。
図1(a)は、液晶表示パネルの概略構成を示す模式平面図である。図1(b)は、図1(a)のA−A’線断面図である。
図2は、本発明に関わる液晶表示パネルのTFT基板における1つの画素の一構成例を示す模式回路図である。
図3(a)は、本発明に関わる液晶表示パネルのTFT基板における1つの画素の一具体例を示す模式平面図である。図3(b)は、図3(a)のB−B’線断面図である。図3(c)は、図3(a)のC−C’線断面図である。
なお、図4(a)および図4(b)では、TFT素子(スイッチング素子)を省略している。また、図4(a)および図4(b)において、各画素電極PX1,PX2に記した+の記号は、当該画素電極に加えられた信号の電位が対向電極の電位よりも高い(正極性である)ことを意味し、各画素電極PX1,PX2に記した−の記号は、当該画素電極に加えられた信号の電位が対向電極の電位よりも低い(負極性である)ことを意味する。
なお、図5では、TFT素子(スイッチング素子)を省略している。また、図5において、各画素電極PX1,PX2に記した+の記号は、当該画素電極に加えられた信号の電位が対向電極の電位よりも高い(正極性である)ことを意味し、各画素電極PX1,PX2に記した−の記号は、当該画素電極に加えられた信号の電位が対向電極の電位よりも低い(負極性である)ことを意味する。
なお、図6では、TFT素子(スイッチング素子)を省略している。また、図6において、各画素電極PX1,PX2に記した+の記号は、当該画素電極に加えられた信号の電位が対向電極の電位よりも高い(正極性である)ことを意味し、各画素電極PX1,PX2に記した−の記号は、当該画素電極に加えられた信号の電位が対向電極の電位よりも低い(負極性である)ことを意味する。
図7(a)は、実施例1の液晶表示パネルにおいて1つの画素に生じる寄生容量の一例を示す模式回路図である。図7(b)は、寄生容量に着目して映像信号線の延在方向に並んだ画素の構成を示した模式図である。図7(c)は、図7(b)に示した映像信号線に加わる映像信号と画素電極の電位の変化を示す模式チャート図である。
なお、図7(b)では、TFT素子(スイッチング素子)を省略している。
2…対向基板
3…液晶材料
4…シール材
5A…下偏光板
5B…上偏光板
GL,GLn,GLn+1,GLa,GLb…走査信号線
DL1,DL1m,DL1m+1…第1の映像信号線
DL2,DL2m−1,DL2m…第2の映像信号線
Tr1…第1のTFT素子
Tr2…第2のTFT素子
PX1,PX1a,PX1b…第1の画素電極
PX2,PX2a,PX2b…第2の画素電極
SUB…絶縁基板
SL…保持容量線
PAS1…第1の絶縁層
SC…半導体層
SD1…ドレイン電極
SD2…ソース電極
PAS2…第2の絶縁層
Cds1…第1の寄生容量
Cds2…第2の寄生容量
Cds3…第3の寄生容量
DATA1…第1の映像信号
DATA2…第2の映像信号
Vp1a,Vp1b…第1の画素電極の電位
Vp2a,Vp2b…第2の画素電極の電位
Vga,Vgb…走査信号の電位
DA…表示領域
Claims (7)
- 複数本の走査信号線、複数本の映像信号線、複数個のスイッチング素子、および複数個の画素電極を有する第1の基板と、
対向電極を有する第2の基板と、
前記第1の基板と前記第2の基板との間に挟持された液晶材料とを有し、
第1のスイッチング素子および前記第1のスイッチング素子に接続された第1の画素電極と、第2のスイッチング素子および前記第2のスイッチング素子に接続された第2の画素電極とを有する画素の集合により表示領域が設定されている液晶表示装置であって、
1つの画素における前記第1のスイッチング素子と前記第2のスイッチング素子とは、それぞれ、異なる映像信号線に接続されており、
1フレーム期間中の、1つの画素の前記第1の画素電極に加わる信号の電位と前記対向電極に加わる信号の電位との関係と、当該1つの画素の前記第2の画素電極に加わる信号の電位と前記対向電極に加わる信号の電位との関係とは、一方が正極性の関係であり、他方が負極性の関係であることを特徴とする液晶表示装置。 - 1フレーム期間中の、1つの画素の前記第1の画素電極に加わる信号の電位と前記対向電極に加わる信号の電位との関係と、走査信号線または映像信号線を挟んで当該1つの画素に隣接する別の1つの画素の前記第1の画素電極に加わる信号の電位と前記対向電極に加わる信号の電位との関係とは、一方が正極性の関係であり、他方が負極性の関係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。
- 複数本の走査信号線、複数本の映像信号線、複数個のスイッチング素子、および複数個の画素電極を有する第1の基板と、
対向電極を有する第2の基板と、
前記第1の基板と前記第2の基板との間に挟持された液晶材料とを有し、
第1のスイッチング素子および前記第1のスイッチング素子に接続された第1の画素電極と、第2のスイッチング素子および前記第2のスイッチング素子に接続された第2の画素電極とを有する画素の集合により表示領域が設定されている液晶表示装置であって、
1つの画素における前記第1のスイッチング素子と前記第2のスイッチング素子とは、それぞれ、異なる映像信号線に接続されており、
前記映像信号線の延在方向には、前記第1のスイッチング素子が第1の映像信号線に接続し、前記第2のスイッチング素子が第2の映像信号線に接続している画素と、前記第2のスイッチング素子が前記第1の映像信号線に接続し、前記第1のスイッチング素子が前記第2の映像信号線に接続している画素とが交互に並んでいることを特徴とする液晶表示装置。 - 前記第1の映像信号線と前記第2の映像信号線とは、各映像信号線に接続しているスイッチング素子を有する画素を挟んで配置され、かつ、
前記走査信号線の延在方向に並んで隣接している2つの画素の間には、当該2つの画素のうちの一方の画素に対する前記第2の映像信号線と、当該2つの画素のうちの他方の画素に対する前記第1の映像信号線とが配置されていることを特徴とする請求項3に記載の液晶表示装置。 - 1フレーム期間中の、前記第1の映像信号線に加わる信号の電位と前記対向電極の電位との関係、および前記第2の映像信号線に加わる信号の電位と前記対向電極の電位との関係は、それぞれ、常に正極性の関係または常に負極性の関係のいずれかであり、かつ、
一方の関係が常に正極性の関係であるときに、他方の関係が常に負極性の関係であることを特徴とする請求項3または請求項4に記載の液晶表示装置。 - 前記第1の画素電極と前記第2の画素電極のうちの一方の画素電極は、その平面形状が、他方の画素電極を囲む閉じた環状であることを特徴とする請求項3乃至請求項5のいずれか1項に記載の液晶表示装置。
- 前記スイッチング素子は、TFT素子であることを特徴とする請求項3乃至請求項6のいずれか1項に記載の液晶表示装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007130624A JP5069946B2 (ja) | 2007-05-16 | 2007-05-16 | 液晶表示装置 |
US12/120,336 US20080284708A1 (en) | 2007-05-16 | 2008-05-14 | Liquid Crystal Display Device |
TW097117750A TW200914968A (en) | 2007-05-16 | 2008-05-14 | Liquid crystal display device |
CN2008100990400A CN101308300B (zh) | 2007-05-16 | 2008-05-15 | 液晶显示装置 |
EP08009004A EP1993090A3 (en) | 2007-05-16 | 2008-05-15 | Liquid crystal display device |
KR1020080045076A KR100964761B1 (ko) | 2007-05-16 | 2008-05-15 | 액정 표시 장치 |
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JP2008286933A5 JP2008286933A5 (ja) | 2010-03-11 |
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EP (1) | EP1993090A3 (ja) |
JP (1) | JP5069946B2 (ja) |
KR (1) | KR100964761B1 (ja) |
CN (1) | CN101308300B (ja) |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010139966A (ja) * | 2008-12-15 | 2010-06-24 | Sony Corp | 表示装置 |
JP2011076034A (ja) * | 2009-10-02 | 2011-04-14 | Sony Corp | 画像表示装置およびその駆動方法 |
JP2011145651A (ja) * | 2010-01-14 | 2011-07-28 | Samsung Electronics Co Ltd | 液晶表示装置及びその駆動方法 |
WO2014042074A1 (ja) * | 2012-09-13 | 2014-03-20 | シャープ株式会社 | 液晶表示装置 |
US8836903B2 (en) | 2010-03-10 | 2014-09-16 | Samsung Display Co., Ltd. | Liquid crystal display |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20100067481A (ko) * | 2008-12-11 | 2010-06-21 | 삼성전자주식회사 | 액정 표시 장치 |
KR101720566B1 (ko) | 2010-10-04 | 2017-04-11 | 삼성디스플레이 주식회사 | 표시패널 및 이를 갖는 표시장치 |
KR101982716B1 (ko) * | 2012-02-28 | 2019-05-29 | 삼성디스플레이 주식회사 | 표시장치 |
KR102624016B1 (ko) * | 2016-12-30 | 2024-01-10 | 엘지디스플레이 주식회사 | 액정표시장치 |
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JPH11102174A (ja) * | 1997-09-26 | 1999-04-13 | Texas Instr Japan Ltd | 液晶表示装置 |
JP2000235371A (ja) * | 1999-02-15 | 2000-08-29 | Matsushita Electric Ind Co Ltd | 周辺駆動回路内蔵型液晶表示装置 |
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- 2008-05-14 US US12/120,336 patent/US20080284708A1/en not_active Abandoned
- 2008-05-15 KR KR1020080045076A patent/KR100964761B1/ko active IP Right Grant
- 2008-05-15 EP EP08009004A patent/EP1993090A3/en not_active Withdrawn
- 2008-05-15 CN CN2008100990400A patent/CN101308300B/zh active Active
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JP2000235371A (ja) * | 1999-02-15 | 2000-08-29 | Matsushita Electric Ind Co Ltd | 周辺駆動回路内蔵型液晶表示装置 |
JP2002328386A (ja) * | 2001-04-27 | 2002-11-15 | Sanyo Electric Co Ltd | アクティブマトリクス型表示装置 |
JP2005316211A (ja) * | 2004-04-30 | 2005-11-10 | Fujitsu Display Technologies Corp | 視角特性を改善した液晶表示装置 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010139966A (ja) * | 2008-12-15 | 2010-06-24 | Sony Corp | 表示装置 |
JP2011076034A (ja) * | 2009-10-02 | 2011-04-14 | Sony Corp | 画像表示装置およびその駆動方法 |
JP2011145651A (ja) * | 2010-01-14 | 2011-07-28 | Samsung Electronics Co Ltd | 液晶表示装置及びその駆動方法 |
US8836903B2 (en) | 2010-03-10 | 2014-09-16 | Samsung Display Co., Ltd. | Liquid crystal display |
WO2014042074A1 (ja) * | 2012-09-13 | 2014-03-20 | シャープ株式会社 | 液晶表示装置 |
CN104620310A (zh) * | 2012-09-13 | 2015-05-13 | 夏普株式会社 | 液晶显示装置 |
JPWO2014042074A1 (ja) * | 2012-09-13 | 2016-08-18 | シャープ株式会社 | 液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20080101739A (ko) | 2008-11-21 |
KR100964761B1 (ko) | 2010-06-21 |
CN101308300A (zh) | 2008-11-19 |
EP1993090A3 (en) | 2010-10-20 |
CN101308300B (zh) | 2011-11-30 |
TW200914968A (en) | 2009-04-01 |
EP1993090A2 (en) | 2008-11-19 |
US20080284708A1 (en) | 2008-11-20 |
JP5069946B2 (ja) | 2012-11-07 |
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