DE69410872D1 - Prozess zur Herstellung einer Phasenverzögerungsfolie - Google Patents

Prozess zur Herstellung einer Phasenverzögerungsfolie

Info

Publication number
DE69410872D1
DE69410872D1 DE69410872T DE69410872T DE69410872D1 DE 69410872 D1 DE69410872 D1 DE 69410872D1 DE 69410872 T DE69410872 T DE 69410872T DE 69410872 T DE69410872 T DE 69410872T DE 69410872 D1 DE69410872 D1 DE 69410872D1
Authority
DE
Germany
Prior art keywords
production
retardation film
phase retardation
phase
film
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
DE69410872T
Other languages
English (en)
Other versions
DE69410872T2 (de
Inventor
Michitaka Morikawa
Koji Higashi
Tadashi Shindo
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
Publication of DE69410872D1 publication Critical patent/DE69410872D1/de
Application granted granted Critical
Publication of DE69410872T2 publication Critical patent/DE69410872T2/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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/71—Processes of shaping by shrinking

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE69410872T 1993-04-12 1994-03-11 Prozess zur Herstellung einer Phasenverzögerungsfolie Expired - Fee Related DE69410872T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5084439A JPH06300916A (ja) 1993-04-12 1993-04-12 位相差フィルムの製造方法

Publications (2)

Publication Number Publication Date
DE69410872D1 true DE69410872D1 (de) 1998-07-16
DE69410872T2 DE69410872T2 (de) 1998-10-08

Family

ID=13830630

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69410872T Expired - Fee Related DE69410872T2 (de) 1993-04-12 1994-03-11 Prozess zur Herstellung einer Phasenverzögerungsfolie

Country Status (4)

Country Link
US (1) US5474731A (de)
EP (1) EP0620457B1 (de)
JP (1) JPH06300916A (de)
DE (1) DE69410872T2 (de)

Families Citing this family (15)

* 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
JPH08278410A (ja) * 1995-04-10 1996-10-22 Sumitomo Chem Co Ltd 光学異方体フィルムとその製造方法および液晶表示装置
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
US5638200A (en) * 1995-02-03 1997-06-10 Ois Optical Imaging Systems, Inc. Liquid crystal display with tilted retardation film
US5948487A (en) * 1997-09-05 1999-09-07 3M Innovative Properties Company Anisotropic retardation layers for display devices
US5867239A (en) 1997-10-17 1999-02-02 Minnesota Mining And Manufacturing Company Wide angle optical retarder
KR100635241B1 (ko) 1998-09-17 2006-10-19 스미또모 가가꾸 가부시키가이샤 광학 이방성 필름, 이의 제조방법 및 액정 표시 장치
US6538714B1 (en) * 1999-10-25 2003-03-25 3M Innovative Properties Company Dual color guest-host polarizers and devices containing guest-host polarizers
US6574044B1 (en) 1999-10-25 2003-06-03 3M Innovative Properties Company Polarizer constructions and display devices exhibiting unique color effects
US6465002B1 (en) * 2000-03-13 2002-10-15 Brown University Research Foundation Liquid crystalline polymers
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
JP2004004150A (ja) * 2002-05-13 2004-01-08 Sumitomo Chem Co Ltd 積層位相差フィルム及びそれを用いた液晶表示装置
WO2011155550A1 (ja) * 2010-06-11 2011-12-15 三菱瓦斯化学株式会社 芳香族ポリカーボネート製偏光レンズ
US20140264979A1 (en) * 2013-03-13 2014-09-18 Transitions Opticals, Inc. Method of preparing photochromic-dichroic films having reduced optical distortion
CN106918863B (zh) 2017-05-12 2019-09-13 京东方科技集团股份有限公司 相位膜基板及其制造方法和显示装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634001A (de) * 1962-06-25
US3290420A (en) * 1962-07-05 1966-12-06 Columbian Rope Co Process for making thin oriented plastic strips and tape
NL159416B (nl) * 1966-10-13 1979-02-15 Hoechst Ag Werkwijze voor het vervaardigen van een polyesterfoelie met kleine kristallen.
US3679791A (en) * 1970-02-20 1972-07-25 Ici Ltd Process for shrinking film
US4151245A (en) * 1972-12-06 1979-04-24 Matsushita Electric Industrial Co., Ltd. Method for stretching a thermo-softening high molecular film
US4160799A (en) * 1976-09-29 1979-07-10 Eastman Kodak Company Maintaining planarity in polyester film during uniform temperature heat relaxation
US4436888A (en) * 1982-10-05 1984-03-13 E. I. Du Pont De Nemours And Company Method for making balanced low shrink tension polyolefin film
JPS61167531A (ja) * 1985-01-21 1986-07-29 Diafoil Co Ltd 磁気シ−ト用ポリエステルフイルム
US5061042A (en) * 1987-02-02 1991-10-29 Sumitomo Chemical Co., Ltd. Phase retarder and liquid crystal display using the same
JPS6485734A (en) * 1988-08-17 1989-03-30 Asahi Chemical Ind Heat treatment equipment of band-like body
JP2606894B2 (ja) * 1988-08-18 1997-05-07 チッソ株式会社 圧延熱処理フィルムまたはシートの製造方法
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
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
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
US5244713A (en) * 1988-12-27 1993-09-14 Sumitomo Chemical Co., Ltd. Optical film
KR920007285B1 (ko) * 1989-03-10 1992-08-29 구레하 가가꾸 고오교 가부시끼가이샤 광학 위상차판 및 그 제조 방법
JPH02285303A (ja) * 1989-04-26 1990-11-22 Nitto Denko Corp 複屈折性フィルム及びその製造方法並びに位相差板及び液晶パネル
JP2592697B2 (ja) * 1990-02-13 1997-03-19 富士写真フイルム株式会社 位相差フイルムの製造方法
DE69127319T2 (de) * 1990-05-25 1998-03-19 Sumitomo Chemical Co Optischer Phasenverzögerer aus einem Polymerfilm und Verfahren zu seiner Herstellung
JPH04138424A (ja) * 1990-09-28 1992-05-12 Sharp Corp 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
JP3220478B2 (ja) * 1991-06-07 2001-10-22 日本ゼオン株式会社 液晶ディスプレイ用位相板
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
JPH0611710A (ja) * 1992-04-27 1994-01-21 Kanegafuchi Chem Ind Co Ltd 液晶表示素子

Also Published As

Publication number Publication date
JPH06300916A (ja) 1994-10-28
US5474731A (en) 1995-12-12
EP0620457A3 (de) 1995-02-22
DE69410872T2 (de) 1998-10-08
EP0620457A2 (de) 1994-10-19
EP0620457B1 (de) 1998-06-10

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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