DE69423443D1 - Verfahren zur Herstellung einer Phasenverschiebungsfolie - Google Patents

Verfahren zur Herstellung einer Phasenverschiebungsfolie

Info

Publication number
DE69423443D1
DE69423443D1 DE69423443T DE69423443T DE69423443D1 DE 69423443 D1 DE69423443 D1 DE 69423443D1 DE 69423443 T DE69423443 T DE 69423443T DE 69423443 T DE69423443 T DE 69423443T DE 69423443 D1 DE69423443 D1 DE 69423443D1
Authority
DE
Germany
Prior art keywords
producing
phase shift
shift film
film
phase
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
DE69423443T
Other languages
English (en)
Other versions
DE69423443T2 (de
Inventor
Keiichi Minakuchi
Hideki Shimomura
Kazuaki Sakakura
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of DE69423443D1 publication Critical patent/DE69423443D1/de
Publication of DE69423443T2 publication Critical patent/DE69423443T2/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
    • G02B5/3083—Birefringent or phase retarding elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Polarising Elements (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
DE69423443T 1993-12-22 1994-12-21 Verfahren zur Herstellung einer Phasenverschiebungsfolie Expired - Fee Related DE69423443T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32453093 1993-12-22

Publications (2)

Publication Number Publication Date
DE69423443D1 true DE69423443D1 (de) 2000-04-20
DE69423443T2 DE69423443T2 (de) 2000-09-07

Family

ID=18166838

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423443T Expired - Fee Related DE69423443T2 (de) 1993-12-22 1994-12-21 Verfahren zur Herstellung einer Phasenverschiebungsfolie

Country Status (5)

Country Link
US (1) US5472538A (de)
EP (1) EP0660141B1 (de)
KR (1) KR100335812B1 (de)
DE (1) DE69423443T2 (de)
TW (1) TW397928B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6183091B1 (en) * 1995-04-07 2001-02-06 Colorlink, Inc. Color imaging systems and methods
EP0744433A1 (de) * 1995-05-23 1996-11-27 Sekisui Chemical Co., Ltd. Verfahren zur Herstellung von einem Film aus Polysulfonharz und Verzögerungsschicht
DE19619478A1 (de) * 1996-05-14 1997-11-20 Sick Ag Optische Anordnung mit diffraktivem optischem Element
JPH1124078A (ja) * 1997-07-04 1999-01-29 Sekisui Chem Co Ltd 光学機能フィルム及びその製造方法並びに液晶表示装置
EP1441000B1 (de) * 1998-01-30 2011-06-29 Toyo Boseki Kabushiki Kaisha Wärmeschrumpfbarer Polyester-Film
US20080198456A1 (en) * 1998-07-31 2008-08-21 Colorlink, Inc. Laminated retarder stack
US6638583B1 (en) * 2000-03-16 2003-10-28 Colorlink, Inc. Method and apparatus for laminating stacks of polycarbonate films
CN1209638C (zh) * 2000-05-15 2005-07-06 富士胶片株式会社 光学补偿片、偏振板和液晶显示器
AU2001295983A1 (en) * 2000-10-20 2002-04-29 Fuji Photo Film Co. Ltd. Cellulose acetate film with regulated retardation and thickness
CN100498384C (zh) * 2000-12-04 2009-06-10 富士胶片株式会社 具有由盘状液晶分子制成的光学各向异性层及包括聚合物薄膜的透明基板的光学补偿片
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
KR100696082B1 (ko) * 2001-07-18 2007-03-19 주식회사 코오롱 내열성이 우수한 액정 디스플레이의 백라이트 유니트용 필름
US7002752B2 (en) * 2001-11-30 2006-02-21 Colorlink, Inc. Three-panel color management systems and methods
US7106509B2 (en) * 2002-09-06 2006-09-12 Colorlink, Inc. Filter for enhancing vision and/or protecting the eyes and method of making a filter
US7400371B2 (en) * 2004-02-03 2008-07-15 Sumitomo Chemical Company, Limited Liquid crystal display having particular retardation plate
WO2005116737A2 (en) * 2004-05-24 2005-12-08 Colorlink, Inc. Polarization optics using a low-elasticity organic layer
US7345723B2 (en) * 2004-05-24 2008-03-18 Colorlink, Inc. LC panel compensators
WO2006065997A2 (en) * 2004-12-16 2006-06-22 Colorlink Inc. Compound quarter-wave retarder for optical disc pickup heads
JP2006241306A (ja) * 2005-03-03 2006-09-14 Fuji Photo Film Co Ltd セルロースアシレートフィルム、セルロースアシレートフィルムの製造方法、偏光板および液晶表示装置
US7510280B2 (en) * 2005-08-30 2009-03-31 Real D High yield bonding process for manufacturing polycarbonate polarized lenses
CN101247938B (zh) * 2005-09-12 2010-09-08 富士胶片株式会社 纤维素酰化物薄膜的制备方法、偏振片以及液晶显示器
CN101490130B (zh) * 2006-08-18 2012-11-07 三菱瓦斯化学株式会社 聚碳酸酯树脂及使用该树脂的光学膜
KR101432347B1 (ko) * 2007-06-01 2014-08-20 데이진 가부시키가이샤 위상차 필름, 적층 편광 필름, 및 액정 표시 장치
JP5104439B2 (ja) 2008-03-18 2012-12-19 日本ゼオン株式会社 位相差板
US9005493B2 (en) * 2010-02-09 2015-04-14 Roger Wen-Yi Hsu Method and apparatus for making retarder in stereoscopic glasses
US8379159B2 (en) 2010-03-12 2013-02-19 Roger Wen-Yi Hsu Method and apparatus for improved retarder of 3D glasses
KR20140059898A (ko) 2012-11-08 2014-05-19 삼성디스플레이 주식회사 편광판 및 이를 갖는 액정 표시 장치
US20190152131A1 (en) * 2016-02-29 2019-05-23 Zeon Corporation Stretched film, method for manufacturing same, circular polarization plate, and display device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385806A (en) * 1978-06-08 1983-05-31 Fergason James L Liquid crystal display with improved angle of view and response times
JPH02191904A (ja) * 1988-09-26 1990-07-27 Fuji Photo Film Co Ltd 位相差フィルム及び位相差フィルムの製造法
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
JP2612196B2 (ja) * 1988-12-14 1997-05-21 富士写真フイルム株式会社 位相差フイルム及びその製造方法
CA2006662A1 (en) * 1988-12-27 1990-06-27 Kimishige Nakamura Optical film
JPH0442202A (ja) * 1990-06-08 1992-02-12 Nitto Denko Corp 積層位相差板及び楕円偏光板並びに液晶パネル及びディスプレイ装置
JPH0451101A (ja) * 1990-06-19 1992-02-19 Nitto Denko Corp 着色補償板及び楕円偏光板並びに液晶パネル及びディスプレイ装置
JPH0456802A (ja) * 1990-06-22 1992-02-24 Nitto Denko Corp 積層位相差板及び楕円偏光板並びに液晶パネル及び液晶表示装置
US5245456A (en) * 1990-10-24 1993-09-14 Nitto Denko Corporation Birefringent film with nx >nz >ny, process for producing the same, retardation film, elliptically polarizing plate, and liquid crystal display
EP0546748B1 (de) * 1991-12-09 1997-05-07 Sumitomo Chemical Company Limited Verfahren zum Herstellen eines Phasenverzögerers von einem Film oder einer Folie bestehend aus thermoplastischem Harz

Also Published As

Publication number Publication date
KR950019813A (ko) 1995-07-24
DE69423443T2 (de) 2000-09-07
EP0660141A3 (de) 1996-08-14
EP0660141A2 (de) 1995-06-28
TW397928B (en) 2000-07-11
EP0660141B1 (de) 2000-03-15
US5472538A (en) 1995-12-05
KR100335812B1 (ko) 2002-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee