JP5129682B2 - 液晶表示素子 - Google Patents
液晶表示素子 Download PDFInfo
- Publication number
- JP5129682B2 JP5129682B2 JP2008200873A JP2008200873A JP5129682B2 JP 5129682 B2 JP5129682 B2 JP 5129682B2 JP 2008200873 A JP2008200873 A JP 2008200873A JP 2008200873 A JP2008200873 A JP 2008200873A JP 5129682 B2 JP5129682 B2 JP 5129682B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- viewing angle
- crystal display
- display element
- angle compensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/02—Number of plates being 2
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/03—Number of plates being 3
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/07—All plates on one side of the LC cell
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Description
2 TACベースフィルム
3 二軸フィルム
3a、3c 第1の二軸フィルム
3b、3d 第2の二軸フィルム
4 上側ガラス基板
5 下側ガラス基板
6 Cプレート
10 表側偏光板
20 裏側偏光板
30 モノドメイン垂直配向液晶層
ab 偏光層吸収軸
TACsl TACフィルム面内遅相軸
Bsl 二軸フィルム遅相軸
Bsl1 第1の二軸フィルム遅相軸
Bsl2 第2の二軸フィルム遅相軸
Rub ガラス基板上のラビング方位
Claims (7)
- 第1及び第2の透明基板と、
前記第1及び第2の透明基板間に挟持された、リターデーションが300nm以上940nm以下の垂直配向する液晶層と、
前記第1の透明基板の前記液晶層とは反対側に配置された、2枚または3枚の負の二軸光学異方性を有する視角補償板であって、各々が、厚さ方向に90nm以上350nm以下の位相差と、面内方向に5nm以上30nm以下の位相差をもつ視角補償板と、
前記2枚または3枚の視角補償板の前記第1の透明基板とは反対側に配置された第1の偏光板と、
前記第2の透明基板の前記液晶層とは反対側に、前記第1の偏光板とクロスニコルに配置された第2の偏光板と
を有し、
前記各々の視角補償板の面内遅相軸と、前記第1の偏光板の吸収軸とは直交するように配置されている液晶表示素子。 - 前記液晶層のリターデーションが500nm以上940nm以下であり、
前記視角補償板の各々が、厚さ方向に220nm以上350nm以下の位相差と、面内方向に5nm以上25nm以下の位相差をもつ請求項1に記載の液晶表示素子。 - 前記視角補償板の各々が、面内方向に7nmより大きく20nm以下の位相差をもつ請求項1または2に記載の液晶表示素子。
- 前記2枚または3枚の視角補償板の面内方向の位相差の和が20nmより大きく、60nm以下である請求項1〜3のいずれか1項に記載の液晶表示素子。
- 前記2枚または3枚の視角補償板は、第1の視角補償板と前記第1の視角補償板より前記第1の透明基板に近い位置に配置された第2の視角補償板とを含み、
前記第1の視角補償板は、前記第2の視角補償板以上の面内方向の位相差を有する請求項1〜4のいずれか1項に記載の液晶表示素子。 - 前記2枚または3枚の視角補償板は、第1の視角補償板と前記第1の視角補償板より前記第1の透明基板に近い位置に配置された第2の視角補償板とを含み、
前記第1の視角補償板は、前記第2の視角補償板以下の厚さ方向の位相差を有する請求項1〜5のいずれか1項に記載の液晶表示素子。 - 更に、前記第1の透明基板と、前記2枚または3枚の視角補償板との間に、Cプレートを有する請求項6に記載の液晶表示素子。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008200873A JP5129682B2 (ja) | 2008-08-04 | 2008-08-04 | 液晶表示素子 |
US12/533,255 US8169574B2 (en) | 2008-08-04 | 2009-07-31 | Liquid crystal display with viewing angle compensators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008200873A JP5129682B2 (ja) | 2008-08-04 | 2008-08-04 | 液晶表示素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010039120A JP2010039120A (ja) | 2010-02-18 |
JP5129682B2 true JP5129682B2 (ja) | 2013-01-30 |
Family
ID=41607986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008200873A Expired - Fee Related JP5129682B2 (ja) | 2008-08-04 | 2008-08-04 | 液晶表示素子 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8169574B2 (ja) |
JP (1) | JP5129682B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5301927B2 (ja) * | 2008-09-01 | 2013-09-25 | スタンレー電気株式会社 | 液晶表示素子 |
KR101314480B1 (ko) * | 2008-12-26 | 2013-10-07 | 주식회사 엘지화학 | 면상 스위치 모드 lcd용 편광판 및 이를 포함하는 면상 스위치 모드 lcd |
JP5879277B2 (ja) * | 2012-01-30 | 2016-03-08 | 富士フイルム株式会社 | 液晶表示装置 |
CN102866537B (zh) * | 2012-09-03 | 2016-03-30 | 深圳市华星光电技术有限公司 | 液晶显示器 |
KR101732789B1 (ko) * | 2014-04-04 | 2017-05-08 | 주식회사 엘지화학 | 액정 소자 |
TWI606286B (zh) | 2016-05-24 | 2017-11-21 | 揚昇照明股份有限公司 | 複合膜以及顯示裝置 |
TWI605287B (zh) | 2016-12-29 | 2017-11-11 | 揚昇照明股份有限公司 | 顯示裝置 |
CN108345139B (zh) | 2017-01-25 | 2022-04-22 | 中强光电股份有限公司 | 视角可切换显示装置 |
CN109143622A (zh) * | 2017-06-15 | 2019-01-04 | 扬升照明股份有限公司 | 偏光式视角控制元件、偏光式视角控制显示模块以及偏光式视角控制光源模块 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2872628B2 (ja) | 1996-02-05 | 1999-03-17 | スタンレー電気株式会社 | 液晶表示素子の製造方法 |
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 |
EP1113311B1 (en) * | 1997-06-12 | 2009-04-29 | Sharp Kabushiki Kaisha | Vertically-aligned (VA) liquid crystal display device |
JP2000019518A (ja) * | 1997-09-25 | 2000-01-21 | Sharp Corp | 液晶表示装置 |
JP3299190B2 (ja) | 1998-07-15 | 2002-07-08 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 液晶表示装置 |
JP3863446B2 (ja) | 2002-03-08 | 2006-12-27 | シャープ株式会社 | 液晶表示装置 |
JP3834304B2 (ja) | 2003-07-23 | 2006-10-18 | スタンレー電気株式会社 | 液晶表示素子 |
JP4136871B2 (ja) * | 2003-09-25 | 2008-08-20 | 日東電工株式会社 | 光学フィルムおよび画像表示装置 |
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 |
JP2006184811A (ja) * | 2004-12-28 | 2006-07-13 | Sharp Corp | 液晶表示装置 |
JP5284567B2 (ja) * | 2005-08-01 | 2013-09-11 | 富士フイルム株式会社 | 液晶表示装置 |
JP2007057665A (ja) * | 2005-08-23 | 2007-03-08 | Fujifilm Corp | 光学フィルム、画像表示装置、液晶表示装置 |
JP4948871B2 (ja) * | 2006-03-29 | 2012-06-06 | スタンレー電気株式会社 | 液晶表示素子 |
JP2008065158A (ja) * | 2006-09-08 | 2008-03-21 | Sharp Corp | 液晶表示装置 |
JP4873553B2 (ja) * | 2006-12-05 | 2012-02-08 | スタンレー電気株式会社 | 液晶表示装置 |
-
2008
- 2008-08-04 JP JP2008200873A patent/JP5129682B2/ja not_active Expired - Fee Related
-
2009
- 2009-07-31 US US12/533,255 patent/US8169574B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20100026946A1 (en) | 2010-02-04 |
US8169574B2 (en) | 2012-05-01 |
JP2010039120A (ja) | 2010-02-18 |
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