KR920007799A - 복굴절 필름, 이의 제조방법, 지연필름, 타원 편광판 및 액정 디스플레이 - Google Patents

복굴절 필름, 이의 제조방법, 지연필름, 타원 편광판 및 액정 디스플레이 Download PDF

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Publication number
KR920007799A
KR920007799A KR1019910018714A KR910018714A KR920007799A KR 920007799 A KR920007799 A KR 920007799A KR 1019910018714 A KR1019910018714 A KR 1019910018714A KR 910018714 A KR910018714 A KR 910018714A KR 920007799 A KR920007799 A KR 920007799A
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South Korea
Prior art keywords
film
liquid crystal
birefringent
crystal display
retardation film
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KR1019910018714A
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English (en)
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KR100313049B1 (ko
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히로유키 요시미
다쓰키 나가쓰카
야스오 후지무라
다쓰야 오스가
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원본 미기재
닛토덴코 가부시키가이샤
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    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

내용 없음

Description

복굴절 필름, 이의 제조방법, 지연필름, 타원 편광판, 및 액정 디스플레이
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 지연 필름의 한 양태의 단면도이다,
제2도는 본 발명에 따른 지연 필름의 또다른 양태의 단면도이다,
제3도는 본 발명에 따른 타원 편광판의 한 양태의 단면도이다.

Claims (7)

  1. 필름면에 평행한 방향으로 배향된 분자 및 필름의 두께 방향으로 배향된 분자가 혼합된 상태를 존재하는 복굴절 필름.
  2. 수축성 필름을 수지 필름의 한면 또는 양면에 적층화하여 적층물을 제조한 다음, 적층물을 열연신시킴으로써 연신방향을 가로지르는 방향으로 신축되는 능력을 수지 필름에 부여하면서 수지 필름의 연신 처리를 수행함을 특징으로 하여, 제1항에서 청구된 복굴절 필름을 제조하는 방법.
  3. 제2항에 있어서, 수축성 필름의 폭 방향 또는 길이방향의 수축도가 수지 필름의 폭 방향 또는 길이 방향의 수축도보다 5％이상 더 큰 방법.
  4. 제1항에서 청구된 하나 이상의 복굴절 필름을 사용하고 판 평면에 대해 두 방향으로 평행하고 직각으로 서로 교차된 복굴절 지수 nx및 ny및 판의 두께 방향의 복굴절 지수 nz가 하기 식을 만족시키는 지연 필름.
    0＜( nx- nz)1＜(nx- ny)＜1
    (단,nx＞ ny이다).
  5. 제4항에서, 복굴절 지수 nx및 ny가 하기식을 만족시키는 지연 필름.
    100㎚＜(nx- ny)d＜1000㎚상기식에서 d는 판의 두께이다.
  6. 제4항에서 청구된 지연 필름과 편광 판의 적층물을 포함하는 타원형 편광판.
  7. 액정 셀 및 제4항에서 청구된 지연 필름을 통하여 액정 셀의 하나 이상의 면에 장착된 편광판을 포함하는 액정 디스플레이.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910018714A 1990-10-24 1991-10-24 복굴절필름,이의제조방법,위상차필름,타원편광판및액정디스플레이 KR100313049B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP28664690 1990-10-24
JP90-286646 1990-10-24
JP28717491 1991-10-07
JP91-287174 1991-10-07

Publications (2)

Publication Number Publication Date
KR920007799A true KR920007799A (ko) 1992-05-27
KR100313049B1 KR100313049B1 (ko) 2001-12-28

Family

ID=26556396

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910018714A KR100313049B1 (ko) 1990-10-24 1991-10-24 복굴절필름,이의제조방법,위상차필름,타원편광판및액정디스플레이

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100723564B1 (ko) * 2000-04-03 2007-06-04 코니카 미놀타 홀딩스 가부시키가이샤 광학보상시트 및 액정표시장치

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440413A (en) * 1991-09-30 1995-08-08 Casio Computer Co., Ltd. Liquid crystal display device with 2 adjacent biaxial retardation plates having Ny <Nz <Nx
SG54990A1 (en) * 1991-12-09 1998-12-21 Sumitomo Chemical Co Process for producing phase retarder from a thermoplastic resin film or sheet
JP2796210B2 (ja) * 1992-01-30 1998-09-10 シャープ株式会社 液晶表示装置
EP0573005A3 (en) * 1992-06-02 1995-10-11 Fuji Photo Film Co Ltd Birefringent film and liquid crystal display having the same
US5583678A (en) * 1993-03-12 1996-12-10 Casio Computer Co., Ltd. Color liquid crystal display apparatus
CA2119484A1 (en) * 1993-03-25 1994-09-26 Toshihiro Ohnishi Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same
JPH06300916A (ja) * 1993-04-12 1994-10-28 Sumitomo Chem Co Ltd 位相差フィルムの製造方法
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
RU2047643C1 (ru) 1993-05-21 1995-11-10 Хан Ир Гвон Материал для поляризующих покрытий
JP3325973B2 (ja) * 1993-10-22 2002-09-17 富士写真フイルム株式会社 光学異方素子およびそれを用いた液晶表示素子
US5550661A (en) * 1993-11-15 1996-08-27 Alliedsignal Inc. Optical phase retardation film
US5793455A (en) * 1993-11-22 1998-08-11 Fuji Photo Film Co., Ltd. Elliptically polarizing plate and liquid crystal display in which a compensation sheet direction of non-zero minimum retardation is inclined at 5 to 50 degrees
US6804058B1 (en) 1993-12-21 2004-10-12 3M Innovative Properties Company Electroluminescent light source and display incorporating same
US5828488A (en) * 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
CN1046664C (zh) 1993-12-21 1999-11-24 美国3M公司 多层聚合物薄膜，其制造方法及其应用
US5882774A (en) * 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US6096375A (en) * 1993-12-21 2000-08-01 3M Innovative Properties Company Optical polarizer
US6025897A (en) 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
TW397928B (en) * 1993-12-22 2000-07-11 Sumitomo Chemical Co Process for prodoucing phase retarder film
TW388000B (en) * 1994-02-28 2000-04-21 Sumitomo Chemical Co Phase retarder film and process for producing same
US5986734A (en) * 1994-04-04 1999-11-16 Rockwell International Corporation Organic polymer O-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays
TW327208B (en) * 1994-11-10 1998-02-21 Sumitomo Chemical Co Optically anisotropic film and process for producing the same and liquid crystal display device
US5751388A (en) 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
US5825445A (en) * 1995-10-06 1998-10-20 Kabushiki Kaisha Toshiba Electrooptical liquid crystal device
US5825543A (en) * 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
DE69721505T2 (de) 1996-02-29 2003-11-20 Minnesota Mining And Manufacturing Company, St. Paul Film zur helligkeitserhoehung
JP4221522B2 (ja) * 1996-02-29 2009-02-12 スリーエム カンパニー 共一連続相を有する光学薄膜
US5867316A (en) * 1996-02-29 1999-02-02 Minnesota Mining And Manufacturing Company Multilayer film having a continuous and disperse phase
US6139771A (en) * 1997-04-04 2000-10-31 Displaytech, Inc. Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X.sup.(2)).
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
US5867239A (en) 1997-10-17 1999-02-02 Minnesota Mining And Manufacturing Company Wide angle optical retarder
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
US6816145B1 (en) * 1998-07-22 2004-11-09 Silicon Graphics, Inc. Large area wide aspect ratio flat panel monitor having high resolution for high information content display
US6005713A (en) * 1998-08-21 1999-12-21 3M Innovative Properties Company Multilayer polarizer having a continuous and disperse phase
US6072579A (en) * 1998-08-27 2000-06-06 Ricoh Company, Ltd. Optical pickup apparatus having improved holographic optical element and photodetector
EP0987310A3 (en) 1998-09-17 2000-12-13 Sumitomo Chemical Company, Limited Optically anisotropic film, method of manufacturing the same, and liquid crystal display apparatus
SI20291A (sl) * 1999-06-15 2000-12-31 In�titut "Jo�ef Stefan" Postopek izdelave kompenzacijske polimerne plasti za LCD optične preklopnike in konstrukcija takega preklopnika
JP4566384B2 (ja) * 2000-10-30 2010-10-20 日東電工株式会社 偏光板
EP1341007A4 (en) * 2000-12-04 2011-03-23 Fujifilm Corp OPTICAL COMPENSATION SHEET COMPRISING AN OPTICALLY ANISOTROPIC LAYER CONSISTING OF DISC-TYPE LIQUID CRYSTAL MOLECULES AND A TRANSPARENT SUBSTRATE HAVING A POLYMERIC FILM
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
CA2678211A1 (en) * 2000-12-18 2002-06-27 Nippon Kayaku Kabushiki Kaisha Optical film and polarizing film using the same, and method for improving view angle of the polarizing film
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
US7270858B2 (en) * 2002-02-19 2007-09-18 Nitto Denko Corporation Inclined optical compensation film, method for producing the same and liquid crystal display including the same
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 (en) * 2002-08-02 2004-02-04 Eastman Kodak Company Compensator layer and liquid crystal cell with such a layer
PL375863A1 (en) * 2002-09-19 2005-12-12 Exstent Ltd Improvements in or relating to stents
US6891589B2 (en) 2002-12-16 2005-05-10 Nitto Denko Corporation Optical film, elliptically polarizing plate and image display
US6965474B2 (en) 2003-02-12 2005-11-15 3M Innovative Properties Company Polymeric optical film
JP4294992B2 (ja) 2003-03-31 2009-07-15 シャープ株式会社 反射型液晶表示装置
TW200424630A (en) * 2003-05-09 2004-11-16 Display Optronics Corp M Method and structure to reduce the fringe field effect in liquid crystal display
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
JP4228973B2 (ja) * 2004-04-08 2009-02-25 セイコーエプソン株式会社 液晶表示装置および電子機器
US8354148B2 (en) * 2004-05-18 2013-01-15 Fujifilm Corporation Optical compensation polarizing plate, image display unit and liquid crystal display unit
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
KR20070106763A (ko) * 2005-02-08 2007-11-05 니폰 오일 코포레이션 (신 니혼 세키유 가부시키 가이샤) 호메오트로픽 배향 액정필름, 이를 이용한 광학필름 및화상표시장치
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TWI288269B (en) * 2005-05-20 2007-10-11 Innolux Display Corp Transflective liquid crystal display device
CN100464213C (zh) * 2005-05-28 2009-02-25 群康科技(深圳)有限公司 穿透式液晶显示装置
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BR122014017822A2 (pt) 2010-01-28 2019-07-16 Avery Dennison Corporation Sistema para aplicação de rótulos
US20110193248A1 (en) * 2010-02-09 2011-08-11 Roger Wen-Yi Hsu Method and Appartus for Making Retarder in Stereoscopic Glasses
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GB201104565D0 (en) * 2011-03-17 2011-05-04 Dupont Teijin Films Us Ltd Polyester films
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WO2018105561A1 (ja) 2016-12-07 2018-06-14 東ソー株式会社 共重合体及びそれを用いた光学フィルム
EP3637159B1 (en) 2017-05-31 2024-01-10 Zeon Corporation Retardation film and production method
KR102677393B1 (ko) 2017-05-31 2024-06-20 니폰 제온 가부시키가이샤 위상차 필름 및 제조 방법
EP3633424B1 (en) 2017-05-31 2023-04-19 Zeon Corporation Retardation film and production method
US20210263205A1 (en) * 2020-02-26 2021-08-26 Facebook Technologies, Llc Polymer thin films having high optical anisotropy

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995513A (ja) * 1982-11-25 1984-06-01 Toray Ind Inc 液晶表示セル
DE3884291T2 (de) * 1987-06-30 1994-03-31 Sumitomo Chemical Co Phasenverzögernde Polymerfilme und polarisierende Bauteile.
JPH0830806B2 (ja) * 1987-10-07 1996-03-27 住友化学工業株式会社 光学的異方体および液晶表示装置
JP2828249B2 (ja) * 1988-08-16 1998-11-25 オリンパス光学工業株式会社 光学系駆動装置
JPH0830765B2 (ja) * 1988-09-26 1996-03-27 富士写真フイルム株式会社 位相差フイルムの製造方法
US5189538A (en) * 1988-11-04 1993-02-23 Fuji Photo Film Co., Ltd. Liquid crystal display having positive and negative birefringent compensator films
JPH02253233A (ja) * 1989-03-28 1990-10-12 Seiko Epson Corp 液晶電気光学素子
CA2009319C (en) * 1989-02-06 1994-11-01 Hiroshi Ohnishi Liquid crystal display device
KR920007285B1 (ko) * 1989-03-10 1992-08-29 구레하 가가꾸 고오교 가부시끼가이샤 광학 위상차판 및 그 제조 방법
WO1990016006A1 (en) * 1989-06-22 1990-12-27 Citizen Watch Co., Ltd. Liquid crystal display device and phase difference plates
JPH04139402A (ja) * 1990-10-01 1992-05-13 Stanley Electric Co Ltd 光学補償素子およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100723564B1 (ko) * 2000-04-03 2007-06-04 코니카 미놀타 홀딩스 가부시키가이샤 광학보상시트 및 액정표시장치

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