JP6729658B2 - 液晶装置および電子機器 - Google Patents
液晶装置および電子機器 Download PDFInfo
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- G—PHYSICS
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- 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
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- 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
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
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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
- G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
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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
- G02F1/133512—Light shielding layers, e.g. black matrix
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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
- G02F1/136218—Shield electrodes
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/50—Protective arrangements
- G02F2201/501—Blocking layers, e.g. against migration of ions
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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
- G02F2203/00—Function characteristic
- G02F2203/62—Switchable arrangements whereby the element being usually not switchable
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Description
(全体構成)
図1は、本発明の実施形態1に係る液晶装置100の一態様の平面図であり、液晶装置100を各構成要素と共に第2基板25の側から見た様子を示してある。図2は、図1に示す液晶装置100のH−H′断面図である。図3は、図2に示す液晶層50等の説明図である。図1および図2に示すように、液晶装置100では、透光性の第1基板15と透光性の第2基板25とが所定の隙間を介してシール材107によって貼り合わされた液晶パネル100pを有しており、シール材107は第2基板25の外縁に沿うように矩形枠状に設けられている。第1基板15は素子基板10の基材であり、第2基板25は対向基板20の基材である。
図4は、図1に示す液晶装置100に設けた周辺電極9eの説明図であり、図1に示す構成の要素との位置関係を示すために、図1に示す構成要素のうち、画素領域10a、およびシール材107等を示してある。図5は、図4に示す周辺電極9eの構成例を示す説明図である。
以上説明したように、本実施形態では、第1基板15には、共通電位Vcomより高い電位が印加される第1電極9pと、共通電位Vcomより低い電位が印加される第2電極9nとが設けられている。このため、マイナスのイオン性不純物は、第1電極9pにトラップされ、プラスのイオン性不純物は、第2電極9nにトラップされる。このため、マイナスのイオン性不純物、およびプラスのイオン性不純物の双方を画素領域10aの外側でトラップすることができる。
図6は、本発明の実施形態2に係る液晶装置100の説明図であり、図6には、周辺電極9eの構成等を示してある。なお、本実施形態および後述する実施形態3の基本的な構成は実施形態1と同様であるため、共通する部分には同一の符号を付してそれらの説明を省略する。
図7は、本発明の実施形態3に係る液晶装置100の説明図であり、図7には、周辺電極9eの構成等を示してある。図7に示すように、本実施形態でも、実施形態1と同様、第1基板15には、周辺電極9eとして、画素領域10aの外側で画素領域10aの外縁に沿って延在する第1電極9pと、画素領域10aの外側のうち、第1電極9pと異なる位置で画素領域10aの外縁に沿って延在する第2電極9nとが設けられている。第1電極9pには、共通電位Vcomより高い電位が印加され、第2電極9nには、共通電位Vcomより低い電位が印加される。
図8は、本発明の実施形態4に係る液晶装置100の説明図であり、図8には、周辺電極9eの構成等を示してある。図8に示すように、本実施形態でも、実施形態1と同様、第1基板15には、周辺電極9eとして、画素領域10aの外側で画素領域10aの外縁に沿って延在する第1電極9pと、画素領域10aの外側のうち、第1電極9pと異なる位置で画素領域10aの外縁に沿って延在する第2電極9nとが設けられている。第1電極9pには、共通電位Vcomより高い電位が印加され、第2電極9nには、共通電位Vcomより低い電位が印加される。
上記実施形態では、画素領域10aの4つの隅部のうち、第1隅部10a6と第2隅部10a7とを結ぶ対角線に沿う方向に液晶分子50bが配向していたが、第3隅部10a8と第4隅部10a9とを結ぶ対角線に沿う方向に液晶分子50bを配向させた場合に本発明を適用してもよい。また、第1辺10a1に沿う方向、あるいは第3辺10a3に沿う方向に液晶分子50bを配向させた場合に本発明を適用してもよい。
上述した実施形態に係る液晶装置100を用いた電子機器の一例として、投射型表示装置(液晶プロジェクター)を説明する。図9は、透過型の液晶装置を用いた投射型表示装置の説明図である。図9に示す投射型表示装置2100では、本発明を適用した液晶装置100と、液晶装置100に供給される光を出射する光源部と、液晶装置100によって変調された光を投射する投射光学系とが設けられている。
投射型表示装置については、光源部として、各色の光を出射するLED光源等を用い、かかるLED光源から出射された色光を各々、別のライトバルブに供給するように構成してもよい。
本発明を適用した液晶装置100を備えた電子機器は、上記実施形態の投射型表示装置2100に限定されない。例えば、投射型のHUD(ヘッドアップディスプレイ)や直視型のHMD(ヘッドマウントディスプレイ)、パーソナルコンピューター、デジタルスチルカメラ、液晶テレビ等の電子機器に用いてもよい。
Claims (3)
- 第1基板と、
前記第1基板と対向する第2基板と、
第1方向および前記第1方向と交差する第2方向に画素が配列された画素領域と、
前記第1基板と前記第2基板との間に、前記第1方向および前記第2方向と交差する第3方向に沿って配向する液晶分子を有する液晶層と、
前記画素領域の外側において、前記第1方向に沿って延在する第1部分と前記第2方向に沿って延在する第2部分とが前記画素領域に隣り合うように設けられ、前記第1部分と前記第2部分とが前記画素領域の第1隅部の外側において連結されるとともに、共通電位より高い電位が印加される第1電極と、
前記画素領域の前記第1電極が設けられた側とは反対側において、前記第1方向に沿って延在する第3部分と前記第2方向に沿って延在する第4部分とが前記画素領域に隣り合うように設けられ、前記第3部分と前記第4部分とが前記画素領域の第1隅部と対角をなす第2隅部の外側において連結されるとともに、前記共通電位より低い電位が印加される第2電極と、
を備えることを特徴とする液晶装置。 - 請求項1に記載の液晶装置において、
前記第1電極および前記第2電極は、それぞれ前記第1方向に配列される画素、および前記第2方向に配列される画素の全体または略全体に沿って延在していることを特徴とする液晶装置。 - 請求項1または2に記載の液晶装置を有することを特徴とする電子機器。
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JP2018194857A JP6729658B2 (ja) | 2018-10-16 | 2018-10-16 | 液晶装置および電子機器 |
US16/653,008 US10859880B2 (en) | 2018-10-16 | 2019-10-15 | Liquid crystal display device comprising first and second electrodes respectively disposed outside of diagonally opposite first and second corner portions of a pixel area |
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JP2018194857A JP6729658B2 (ja) | 2018-10-16 | 2018-10-16 | 液晶装置および電子機器 |
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JPH10133216A (ja) * | 1996-11-01 | 1998-05-22 | Hitachi Ltd | アクティブマトリクス型液晶表示装置 |
JP4004672B2 (ja) * | 1998-12-28 | 2007-11-07 | シャープ株式会社 | 液晶表示装置用基板及びその製造方法 |
JP4646420B2 (ja) * | 2001-02-28 | 2011-03-09 | 三菱電機株式会社 | 薄膜トランジスタアレイ基板およびそれを用いた表示装置 |
JP4702192B2 (ja) * | 2005-10-11 | 2011-06-15 | セイコーエプソン株式会社 | 液晶パネルおよび投射型表示装置 |
JP4972344B2 (ja) | 2006-05-23 | 2012-07-11 | シチズンファインテックミヨタ株式会社 | 液晶表示装置及び液晶表示装置の駆動方法及びそれを用いたプロジェクション装置 |
JP2009288372A (ja) * | 2008-05-28 | 2009-12-10 | Seiko Epson Corp | 液晶装置、および電子機器 |
JP2009288373A (ja) * | 2008-05-28 | 2009-12-10 | Seiko Epson Corp | 液晶装置、および電子機器 |
JP5664102B2 (ja) * | 2010-10-08 | 2015-02-04 | セイコーエプソン株式会社 | 液晶装置、液晶装置の製造方法、及び電子機器 |
JP2012083513A (ja) | 2010-10-12 | 2012-04-26 | Seiko Epson Corp | 液晶装置および電子機器 |
JP2012247662A (ja) * | 2011-05-30 | 2012-12-13 | Seiko Epson Corp | 液晶装置、投射型表示装置および電子機器 |
JP2014119683A (ja) | 2012-12-19 | 2014-06-30 | Seiko Epson Corp | 液晶装置、及び電子機器 |
JP2017207656A (ja) | 2016-05-19 | 2017-11-24 | 株式会社ジャパンディスプレイ | 表示装置 |
JP2018105987A (ja) | 2016-12-26 | 2018-07-05 | 株式会社ジャパンディスプレイ | 表示装置 |
JP6897118B2 (ja) | 2017-01-30 | 2021-06-30 | セイコーエプソン株式会社 | 液晶装置、電子機器 |
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