JP5898492B2 - 液晶表示素子及びその製造方法 - Google Patents
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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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
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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
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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
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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
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- 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
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- G—PHYSICS
- G02—OPTICS
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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
- 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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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Description
80a 上側ガラス基板
80b 上側電極(セグメント電極)
80c 上側配向膜
80d 凸部
81 下側基板(コモン基板)
81a 下側ガラス基板
81b 下側電極(コモン電極)
81c 下側配向膜
81d 凸部
82 液晶層
82a 液晶分子
83 上側偏光板
83a 偏光層
83b TAC層
83c 視角補償板(二軸フィルム)
84 下側偏光板
84a 偏光層
84b 視角補償板(二軸フィルム)
84c TAC層
85 Cプレート
86 シール
87 外部取り出し電極
88 柱状スペーサー
89 凹部
90 マザー基板
91 アライメントマーク
92 カットマーク
Claims (9)
- 略平行配置され、透明電極が形成された第1の基板、及び、第2の基板と、
前記第1の基板と前記第2の基板の間に枠状に配置されたシール材と、
前記第1の基板と前記第2の基板の間の、前記シール材の枠内領域に配置され、誘電率異方性が負の液晶材料が充填された、垂直配向する液晶層と、
前記第1の基板の、前記液晶層とは反対側に配置される第1の偏光層、及び、前記第2の基板の、前記液晶層とは反対側に配置される第2の偏光層であって、略クロスニコルに配置され、一方の偏光層の吸収軸は、電圧印加時における前記液晶層の厚さ方向の中央に位置する液晶分子の配向方位に対して略45°となるように配置された第1の偏光層、及び、第2の偏光層と、
前記第1の基板と前記第1の偏光層の間、前記第2の基板と前記第2の偏光層の間の少なくとも一方に配置された、負の二軸光学異方性を有する光学補償板であって、面内遅相軸方位が、近接する前記第1または第2の偏光層の吸収軸方位と略直交するように配置された負の二軸光学異方性を有する光学補償板と
を有し、
前記第1の基板、前記第2の基板の少なくとも一方は、前記液晶層側に突出する、高さが略等しい第1の高さである複数の凸部を備え、
前記複数の凸部は、前記シール材の枠内領域にのみ形成され、
前記凸部のない位置の前記液晶層は第2の厚さを有し、
前記凸部の存在により、前記液晶層の厚さが、前記第2の厚さから前記第1の高さを減じた厚さとなる領域の面積が、前記凸部を備える基板の、前記液晶層が配置される領域の面積の5%以上50%以下のα%である液晶表示素子。 - 前記第1の高さは、0.5μm以上で、前記第2の厚さ以下である請求項1に記載の液晶表示素子。
- 前記複数の凸部は規則的に配置されている請求項1または2に記載の液晶表示素子。
- 前記第1の高さ、前記第2の厚さ、及び前記α%は、前記第1、第2の偏光層の一方の吸収軸方位に対して45°方位、極角50°方向から観察したときに、前記液晶層への電圧無印加状態において、光抜けする光の色度が、0.28≦x<0.34、0.28≦y<0.34となる値である請求項1〜3のいずれか1項に記載の液晶表示素子。
- 前記凸部の断面形状は、基板に接する辺が相対的に長く、接しない辺が相対的に短く、側辺が傾斜するテーパー状である台形状である請求項1〜4のいずれか1項に記載の液晶表示素子。
- 前記第1の基板、前記第2の基板の双方が、前記液晶層側に突出する複数の凸部を備え、前記複数の凸部は、前記第1、第2の基板の法線方向から見たとき、重ならないように配置されている請求項1〜5のいずれか1項に記載の液晶表示素子。
- 前記第1、第2の基板の一方が前記複数の凸部を備え、他方が前記液晶層の厚さを制御する複数の柱状スペーサーを備え、前記複数の柱状スペーサーは、前記複数の凸部が配置されない前記一方基板上の領域に対向する位置の前記他方基板上に配置される請求項1〜6のいずれか1項に記載の液晶表示素子。
- 前記第1、第2の基板の一方が前記複数の凸部を備え、他方が前記液晶層の厚さを制御する複数の柱状スペーサーを備え、前記複数の凸部のうちの少なくとも1つには凹部が形成され、該凹部に対向する位置の前記他方基板上に、前記柱状スペーサーが配置されている請求項1〜6のいずれか1項に記載の液晶表示素子。
- 略平行配置され、透明電極が形成された第1の基板、及び、第2の基板と、前記第1の基板と前記第2の基板の間に枠状に配置されたシール材と、前記第1の基板と前記第2の基板の間の、前記シール材の枠内領域に配置され、誘電率異方性が負の液晶材料が充填された、垂直配向する液晶層と、前記第1の基板の、前記液晶層とは反対側に配置される第1の偏光層、及び、前記第2の基板の、前記液晶層とは反対側に配置される第2の偏光層であって、略クロスニコルに配置され、一方の偏光層の吸収軸は、電圧印加時における前記液晶層の厚さ方向の中央に位置する液晶分子の配向方位に対して略45°となるように配置された第1の偏光層、及び、第2の偏光層と、前記第1の基板と前記第1の偏光層の間、前記第2の基板と前記第2の偏光層の間の少なくとも一方に配置された、負の二軸光学異方性を有する光学補償板であって、面内遅相軸方位が、近接する前記第1または第2の偏光層の吸収軸方位と略直交するように配置された負の二軸光学異方性を有する光学補償板とを有し、前記第1の基板、前記第2の基板の少なくとも一方は、前記液晶層側に突出する、高さが略等しい第1の高さである複数の凸部を備え、前記複数の凸部は、前記シール材の枠内領域にのみ形成され、前記凸部のない位置の前記液晶層は第2の厚さを有し、前記凸部の存在により、前記液晶層の厚さが、前記第2の厚さから前記第1の高さを減じた厚さとなる領域の面積が、前記凸部を備える基板の、前記液晶層が配置される領域の面積の5%以上50%以下のα%である液晶表示素子を、一対のマザー基板を用いて複数製造する液晶表示素子の製造方法であって、
前記凸部を前記シール材の枠内領域以外のマザー基板上には形成しないことを特徴とする液晶表示素子の製造方法。
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JP2011289437A JP5898492B2 (ja) | 2011-12-28 | 2011-12-28 | 液晶表示素子及びその製造方法 |
US13/723,479 US9195110B2 (en) | 2011-12-28 | 2012-12-21 | Liquid crystal display device and process for producing the same |
CN201210591494.6A CN103185988B (zh) | 2011-12-28 | 2012-12-28 | 液晶显示装置及其制造方法 |
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JP6292995B2 (ja) * | 2014-06-23 | 2018-03-14 | スタンレー電気株式会社 | 液晶表示素子の製造方法と液晶表示素子 |
CN104317104A (zh) * | 2014-10-29 | 2015-01-28 | 深圳市华星光电技术有限公司 | 液晶面板补偿架构及液晶显示装置 |
CN104698687A (zh) * | 2015-03-24 | 2015-06-10 | 深圳市华星光电技术有限公司 | 高穿透率va型液晶显示面板及其制作方法 |
CN105118844A (zh) * | 2015-07-01 | 2015-12-02 | 深圳市华星光电技术有限公司 | 一种柔性显示面板的制备方法及柔性显示面板 |
CN206400229U (zh) * | 2017-01-24 | 2017-08-11 | 京东方科技集团股份有限公司 | 一种va模式显示面板及显示装置 |
CN111522164A (zh) * | 2019-02-01 | 2020-08-11 | 群创光电股份有限公司 | 电子装置 |
US11181790B2 (en) | 2019-11-11 | 2021-11-23 | Lg Display Co., Ltd. | Liquid crystal display device |
US11226084B2 (en) * | 2020-01-21 | 2022-01-18 | Guangzhou Haoyang Electronic Co., Ltd. | Stage light with additional visual effect |
CN111273475B (zh) * | 2020-03-27 | 2021-05-28 | Tcl华星光电技术有限公司 | 显示装置、显示面板及其制作方法 |
CN112859331B (zh) * | 2021-02-26 | 2023-04-07 | 深圳市华星光电半导体显示技术有限公司 | 多畴垂直取向液晶显示面板的模拟方法 |
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FR2595156B1 (fr) | 1986-02-28 | 1988-04-29 | Commissariat Energie Atomique | Cellule a cristal liquide utilisant l'effet de birefringence controlee electriquement et procedes de fabrication de la cellule et d'un milieu uniaxe d'anisotropie optique negative, utilisable dans celle-ci |
US6642981B1 (en) | 1996-09-30 | 2003-11-04 | Fujitsu Display Technologies Corporation | Liquid crystal display device operating in a vertically aligned mode including at least one retardation film |
JP3330574B2 (ja) | 1996-09-30 | 2002-09-30 | 富士通株式会社 | 液晶表示装置 |
DE69840759D1 (de) * | 1997-06-12 | 2009-05-28 | Sharp Kk | Anzeigevorrichtung mit vertikal ausgerichtetem Flüssigkristall |
JP3849959B2 (ja) * | 1998-08-05 | 2006-11-22 | シャープ株式会社 | 液晶表示装置 |
JP2001264773A (ja) * | 2000-03-16 | 2001-09-26 | Toshiba Corp | 液晶表示装置 |
JP3544348B2 (ja) * | 2000-09-12 | 2004-07-21 | シャープ株式会社 | 液晶表示装置 |
JP4614200B2 (ja) | 2004-02-20 | 2011-01-19 | スタンレー電気株式会社 | ノーマリブラック垂直配向型液晶表示装置およびその製造方法 |
WO2007034622A1 (ja) * | 2005-09-22 | 2007-03-29 | Sharp Kabushiki Kaisha | 液晶表示装置 |
JP2007334003A (ja) * | 2006-06-15 | 2007-12-27 | Nec Lcd Technologies Ltd | 液晶表示装置及びその製造方法 |
US20080123043A1 (en) * | 2006-11-24 | 2008-05-29 | Chunghwa Picture Tubes, Ltd. | Liquid crystal display panel |
JP5077873B2 (ja) | 2007-03-19 | 2012-11-21 | スタンレー電気株式会社 | 液晶表示素子 |
GB2461689A (en) * | 2008-07-07 | 2010-01-13 | Sharp Kk | Illumination panel for display back light |
-
2011
- 2011-12-28 JP JP2011289437A patent/JP5898492B2/ja active Active
-
2012
- 2012-12-21 US US13/723,479 patent/US9195110B2/en not_active Expired - Fee Related
- 2012-12-28 CN CN201210591494.6A patent/CN103185988B/zh active Active
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US20130169908A1 (en) | 2013-07-04 |
JP2013140194A (ja) | 2013-07-18 |
US9195110B2 (en) | 2015-11-24 |
CN103185988A (zh) | 2013-07-03 |
CN103185988B (zh) | 2018-03-27 |
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