DE69124911D1 - Doppelbrechender Film, Verfahren zu seiner Herstellung, verzögernder Film, elliptischer Polarisator und Flüssigkristallanzeigevorrichtung - Google Patents

Doppelbrechender Film, Verfahren zu seiner Herstellung, verzögernder Film, elliptischer Polarisator und Flüssigkristallanzeigevorrichtung

Info

Publication number
DE69124911D1
DE69124911D1 DE69124911T DE69124911T DE69124911D1 DE 69124911 D1 DE69124911 D1 DE 69124911D1 DE 69124911 T DE69124911 T DE 69124911T DE 69124911 T DE69124911 T DE 69124911T DE 69124911 D1 DE69124911 D1 DE 69124911D1
Authority
DE
Germany
Prior art keywords
film
production
liquid crystal
display device
crystal display
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
Application number
DE69124911T
Other languages
English (en)
Other versions
DE69124911T2 (de
Inventor
Hiroyuki Yoshimi
Tatsuki Nagatsuka
Yasuo Fujimura
Tatsuya Osuga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Application granted granted Critical
Publication of DE69124911D1 publication Critical patent/DE69124911D1/de
Publication of DE69124911T2 publication Critical patent/DE69124911T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • 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
    • 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
    • G02F2413/13—Positive birefingence
DE69124911T 1990-10-24 1991-10-23 Doppelbrechender Film, Verfahren zu seiner Herstellung, verzögernder Film, elliptischer Polarisator und Flüssigkristallanzeigevorrichtung Expired - Fee Related DE69124911T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28664690 1990-10-24
JP28717491 1991-10-07

Publications (2)

Publication Number Publication Date
DE69124911D1 true DE69124911D1 (de) 1997-04-10
DE69124911T2 DE69124911T2 (de) 1997-06-19

Family

ID=26556396

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69124911T Expired - Fee Related DE69124911T2 (de) 1990-10-24 1991-10-23 Doppelbrechender Film, Verfahren zu seiner Herstellung, verzögernder Film, elliptischer Polarisator und Flüssigkristallanzeigevorrichtung

Country Status (4)

Country Link
US (1) US5245456A (de)
EP (1) EP0482620B1 (de)
KR (1) KR100313049B1 (de)
DE (1) DE69124911T2 (de)

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US5585950A (en) * 1993-04-12 1996-12-17 Casio Computer Co., Ltd. STN LCD device displaying multiple colors in response to different voltages which includes a retardation plate
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DE69435173D1 (de) 1993-12-21 2009-01-15 Minnesota Mining & Mfg Mehrschichtiger optischer Film
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JP2927274B2 (ja) * 1997-06-02 1999-07-28 日本電気株式会社 楕円偏光板及びそれを用いた液晶表示装置
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JP3580125B2 (ja) * 1998-03-05 2004-10-20 日東電工株式会社 光学素子、照明装置及び液晶表示装置
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JP4566384B2 (ja) * 2000-10-30 2010-10-20 日東電工株式会社 偏光板
EP1341007A4 (de) * 2000-12-04 2011-03-23 Fujifilm Corp Optische kompensationsfolie mit optisch anisotroper schicht aus diskotischen flüssigkristallmolekülen und transparentes substrat mit einem polymerfilm
US20040036828A1 (en) * 2000-12-04 2004-02-26 Eiichiro Aminaka Optical compensating sheet having optically anisotropic layer made of discotic liquid-crystalline molecules and transparent substrate comprising polymer film
WO2002050580A1 (fr) * 2000-12-18 2002-06-27 Nippon Kayaku Kabushiki Kaisya Film optique, film de polarisation utilisant ledit film optique et procede d'amelioration de l'angle de visibilite du film de polarisation
JP2002258041A (ja) * 2001-03-01 2002-09-11 Nitto Denko Corp 光学補償偏光板及び液晶表示装置
JP2003029038A (ja) * 2001-07-17 2003-01-29 Nitto Denko Corp 光学フィルム、偏光板及び表示装置
EP1477828A1 (de) * 2002-02-19 2004-11-17 Nitto Denko Corporation Graduierter optischer kompensationsfilm, prozess zu seiner herstellung und flüssigkristallanzeige damit
US6919946B2 (en) * 2002-04-16 2005-07-19 3M Innovative Properties Company Compensators for liquid crystal displays and the use and manufacture of the compensators
EP1387210A1 (de) * 2002-08-02 2004-02-04 Eastman Kodak Company Kompensatorschicht und Flüssigkristallanzeige mit einer solchen Schicht
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US6891589B2 (en) * 2002-12-16 2005-05-10 Nitto Denko Corporation Optical film, elliptically polarizing plate and image display
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SI21526A (sl) * 2003-05-16 2004-12-31 Institut "Jožef Stefan" Visoko kontrastni tekočekristalni svetlobno preklopni element s širokim vidnim kotom
JP4888931B2 (ja) * 2003-08-08 2012-02-29 日東電工株式会社 液晶表示装置用重畳フィルムの製造方法、液晶表示装置用重畳フィルム及び液晶表示装置
JP2005181450A (ja) * 2003-12-16 2005-07-07 Nitto Denko Corp 複屈折フィルムの製造方法、およびそれを用いた光学フィルムおよび画像表示装置
JP2005274725A (ja) * 2004-03-23 2005-10-06 Nippon Zeon Co Ltd 光学積層体、光学素子及び液晶表示装置
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WO2006008894A1 (ja) * 2004-07-16 2006-01-26 Nitto Denko Corporation 新規変性ポリマー、その製造方法およびその用途
JP2006106180A (ja) * 2004-10-01 2006-04-20 Nitto Denko Corp 光学フィルムおよび画像表示装置
JP2006133720A (ja) * 2004-10-07 2006-05-25 Nitto Denko Corp 複屈折フィルムの製造方法、およびそれを用いた光学フィルム、液晶パネル、液晶表示装置、画像表示装置
JP3851918B2 (ja) * 2004-10-22 2006-11-29 日東電工株式会社 液晶パネルおよび液晶表示装置
JP3851919B2 (ja) * 2004-12-20 2006-11-29 日東電工株式会社 液晶パネルおよび液晶表示装置
EP1850155B1 (de) * 2005-02-08 2012-11-14 Nippon Oil Corporation Homöotropisch ausgerichtete flüssigkristallfolie, optische folie damit und bildanzeige
JP4699783B2 (ja) * 2005-03-22 2011-06-15 富士フイルム株式会社 セルロースアシレートフィルム、偏光板および液晶表示装置
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JP2008209666A (ja) * 2007-02-27 2008-09-11 Nitto Denko Corp 光学積層体の製造方法、及び画像表示装置
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JP5633960B2 (ja) * 2010-04-09 2014-12-03 日東電工株式会社 光学補償フィルム
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Also Published As

Publication number Publication date
EP0482620B1 (de) 1997-03-05
US5245456A (en) 1993-09-14
DE69124911T2 (de) 1997-06-19
KR920007799A (ko) 1992-05-27
KR100313049B1 (ko) 2001-12-28
EP0482620A2 (de) 1992-04-29
EP0482620A3 (en) 1992-06-03

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