CN100363762C - 光学膜、其制造方法及使用这种光学膜的图像显示装置 - Google Patents

光学膜、其制造方法及使用这种光学膜的图像显示装置 Download PDF

Info

Publication number
CN100363762C
CN100363762C CNB2004800100292A CN200480010029A CN100363762C CN 100363762 C CN100363762 C CN 100363762C CN B2004800100292 A CNB2004800100292 A CN B2004800100292A CN 200480010029 A CN200480010029 A CN 200480010029A CN 100363762 C CN100363762 C CN 100363762C
Authority
CN
China
Prior art keywords
film
substrate
layer
base material
optical
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
CNB2004800100292A
Other languages
English (en)
Chinese (zh)
Other versions
CN1774654A (zh
Inventor
村上奈穗
西小路祐一
吉见裕之
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
Publication of CN1774654A publication Critical patent/CN1774654A/zh
Application granted granted Critical
Publication of CN100363762C publication Critical patent/CN100363762C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3083Birefringent or phase retarding elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363Birefringent elements, e.g. for optical compensation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B29C55/026Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets of preformed plates or sheets coated with a solution, a dispersion or a melt of thermoplastic material
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0031Refractive
    • B29K2995/0032Birefringent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/40Properties of the layers or laminate having particular optical properties
    • B32B2307/42Polarizing, birefringent, filtering
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/03Viewing layer characterised by chemical composition

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Mechanical Engineering (AREA)
  • Polarising Elements (AREA)
  • Electroluminescent Light Sources (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Surface Treatment Of Optical Elements (AREA)
CNB2004800100292A 2003-05-02 2004-04-28 光学膜、其制造方法及使用这种光学膜的图像显示装置 Expired - Fee Related CN100363762C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP127346/2003 2003-05-02
JP2003127346A JP4044485B2 (ja) 2003-05-02 2003-05-02 光学フィルム、その製造方法、およびそれを用いた偏光板

Publications (2)

Publication Number Publication Date
CN1774654A CN1774654A (zh) 2006-05-17
CN100363762C true CN100363762C (zh) 2008-01-23

Family

ID=33410369

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004800100292A Expired - Fee Related CN100363762C (zh) 2003-05-02 2004-04-28 光学膜、其制造方法及使用这种光学膜的图像显示装置

Country Status (6)

Country Link
US (1) US7223452B2 (enExample)
JP (1) JP4044485B2 (enExample)
KR (1) KR100773283B1 (enExample)
CN (1) CN100363762C (enExample)
TW (1) TWI263847B (enExample)
WO (1) WO2004097470A1 (enExample)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040219338A1 (en) * 2003-05-01 2004-11-04 Hebrink Timothy J. Materials, configurations, and methods for reducing warpage in optical films
WO2005118686A1 (ja) * 2004-06-01 2005-12-15 Kaneka Corporation 可溶性ポリイミド及びこれを使用した光学補償部材
EP1793246B1 (en) * 2004-09-10 2013-03-13 Dai Nippon Printing Co., Ltd. Polymeric optical retardation film infiltrated with anisotropic liquid crystal material, optical functional film, polarizing film and display apparatus
US20070042189A1 (en) * 2004-10-06 2007-02-22 Kenji Shirai Retardation film and method for producing the same, optical functional film, polarizing film, and display device
US7329465B2 (en) * 2004-10-29 2008-02-12 3M Innovative Properties Company Optical films incorporating cyclic olefin copolymers
US20060159888A1 (en) * 2004-10-29 2006-07-20 Hebrink Timothy J Optical films incorporating cyclic olefin copolymers
US20060093809A1 (en) * 2004-10-29 2006-05-04 Hebrink Timothy J Optical bodies and methods for making optical bodies
WO2006049951A1 (en) * 2004-10-29 2006-05-11 3M Innovative Properties Company Optical films incorporating cyclic olefin copolymers
US20060105115A1 (en) 2004-11-16 2006-05-18 Keiji Kashima Retardation film and method for producing the same, optical functional film, polarizing film, and display device
TWI413809B (zh) * 2004-12-27 2013-11-01 Dainippon Ink & Chemicals 光學薄膜、橢圓偏光板、圓偏光板、液晶顯示元件、及該光學薄膜之製法
JP4551773B2 (ja) * 2005-01-13 2010-09-29 富士フイルム株式会社 光学補償シート、偏光板、及び液晶表示装置
JP4551775B2 (ja) * 2005-01-17 2010-09-29 富士フイルム株式会社 光学フィルム、偏光板、及び液晶表示装置
US8634046B2 (en) 2005-03-04 2014-01-21 Dai Nippon Printing Co., Ltd. Optical element having an alignment layer for an optical anisotropic body
EP1998196B9 (en) * 2006-02-28 2014-12-31 Teijin Limited Layered polarization film, phase difference film, and liquid crystal display device
WO2007136121A1 (en) * 2006-05-18 2007-11-29 Fujifilm Corporation Cellulose acylate film and method for producing same, and retardation film, polarizer and liquid crystal display device comprising the film
US7955666B2 (en) * 2006-05-18 2011-06-07 Fujifilm Corporation Cellulose acylate film and method for producing same, and retardation film, polarizing plate and liquid crystal display device comprising the film
KR101367510B1 (ko) * 2006-05-18 2014-02-27 후지필름 가부시키가이샤 셀룰로오스 아실레이트 필름 및 그 제조 방법, 그리고 그 필름을 포함하는 위상차 필름, 편광판 및 액정 표시 장치
DE102007008610B4 (de) * 2007-02-22 2009-04-30 Leonhard Kurz Gmbh & Co. Kg Herstellungsverfahren einer Solarzelle auf Polymerbasis sowie Solarzelle auf Polymerbasis
JP5049705B2 (ja) * 2006-11-16 2012-10-17 富士フイルム株式会社 透明フィルム、偏光板、及び液晶表示装置
JP5232465B2 (ja) * 2007-02-08 2013-07-10 日東電工株式会社 長尺光学積層体の製造方法、長方形状光学積層体の製造方法、及び液晶パネル
US20080192482A1 (en) * 2007-02-12 2008-08-14 Laney Thomas M Tensioned optical element and display
KR100862554B1 (ko) 2007-05-09 2008-10-09 엘지전자 주식회사 복수의 구조체를 포함하는 광학 필름, 이를 포함하는백라이트 유닛 및 액정 표시 소자
DE102008018663A1 (de) * 2008-04-11 2009-10-29 Novaled Ag Elektrooptisches organisches Bauelement
WO2010064194A1 (en) * 2008-12-04 2010-06-10 Crysoptix Kk Organic polymer compound, optical film and method of production thereof
JP4884489B2 (ja) * 2009-02-18 2012-02-29 三菱電機株式会社 スチレン系樹脂成形品及びポリビニルアルコール塗膜の形成方法及びスチレン系樹脂成形品の製造方法
JP4757347B1 (ja) 2009-06-19 2011-08-24 日東電工株式会社 光学フィルムの製造方法
US8900656B2 (en) * 2009-06-19 2014-12-02 Nitto Denko Corporation Method for producing optical film, optical film, and image display
WO2011025963A1 (en) 2009-08-28 2011-03-03 3M Innovative Properties Company Optical device with antistatic coating
EP2513682B1 (en) * 2009-12-18 2018-10-31 Hewlett Packard Development Company, L.P. Birefringent diffuser
JP5675114B2 (ja) * 2010-01-07 2015-02-25 株式会社カネカ 光学補償フィルム、光学補償用積層体、光学補償用偏光板、及び液晶表示装置
CN202549937U (zh) * 2012-05-10 2012-11-21 京东方科技集团股份有限公司 Oled显示结构及oled显示装置
US9477099B2 (en) * 2012-11-21 2016-10-25 Essilor International (Compagnie Generale D'optique) Transparent optical element with dual light-polarizing effect
KR101542621B1 (ko) * 2012-12-20 2015-08-06 제일모직주식회사 광학필름 및 이를 포함하는 액정 디스플레이
JP2015055745A (ja) * 2013-09-11 2015-03-23 大日本印刷株式会社 位相差フィルム
WO2015046936A1 (ko) * 2013-09-27 2015-04-02 삼성에스디아이 주식회사 광학 필름 및 그 제조방법
KR101835924B1 (ko) * 2013-09-27 2018-04-19 제일모직주식회사 광학 필름 및 그 제조방법
JP6077620B2 (ja) 2014-09-30 2017-02-08 日東電工株式会社 片保護偏光フィルム、粘着剤層付偏光フィルム、画像表示装置およびその連続製造方法
CN106796318B (zh) * 2014-09-30 2018-09-28 日东电工株式会社 偏振膜、带粘合剂层的偏振膜及图像显示装置
SG11201706552PA (en) 2014-09-30 2017-09-28 Nitto Denko Corp One-side-protected polarizing film, pressure-sensitive-adhesive-layer-attached polarizing film, image display device, and method for continuously producing same
JP6077619B2 (ja) 2014-09-30 2017-02-08 日東電工株式会社 片保護偏光フィルム、粘着剤層付偏光フィルム、画像表示装置およびその連続製造方法
US10088705B2 (en) 2014-09-30 2018-10-02 Nitto Denko Corporation Method for producing polarizing film
KR101769266B1 (ko) * 2015-07-17 2017-08-17 다이니폰 인사츠 가부시키가이샤 광학 부재용 적층체 및 화상 표시 장치
JP6574063B2 (ja) * 2016-07-29 2019-09-11 富士フイルム株式会社 積層体、光学フィルム、偏光板保護フィルム、偏光板及び画像表示装置
WO2018111054A2 (ko) * 2016-12-16 2018-06-21 주식회사 엘지화학 광학 필름 형성용 조성물, 광학 필름 및 이를 포함하는 편광판
KR102090810B1 (ko) 2016-12-16 2020-03-18 주식회사 엘지화학 광학 필름 형성용 조성물, 광학 필름 및 이를 포함하는 편광판
JP7107311B2 (ja) * 2017-06-16 2022-07-27 大日本印刷株式会社 積層体、ディスプレイ用表面材、タッチパネル部材、液晶表示装置、及び有機エレクトロルミネッセンス表示装置
KR102435573B1 (ko) * 2018-06-20 2022-08-23 삼성에스디아이 주식회사 광학필름, 이를 포함하는 편광판 및 이를 포함하는 디스플레이 장치
JP6695014B1 (ja) * 2018-11-12 2020-05-20 日東電工株式会社 偏光膜、偏光フィルム、積層偏光フィルム、画像表示パネル、および画像表示装置、ならびに偏光膜の製造方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000190385A (ja) * 1998-12-28 2000-07-11 Nippon Mitsubishi Oil Corp 光学フィルムの製造法、光学フィルム及び液晶表示装置
JP2001290023A (ja) * 2000-04-04 2001-10-19 Toray Ind Inc 液晶表示装置用ポリイミド位相差薄膜、及び該位相差薄膜を有するカラーフィルター、液晶表示装置
JP2001343529A (ja) * 2000-03-30 2001-12-14 Kanegafuchi Chem Ind Co Ltd 偏光子保護フィルムおよびその製造方法
CN1337009A (zh) * 1999-11-12 2002-02-20 钟渊化学工业株式会社 透明薄膜
US6398371B1 (en) * 2000-09-22 2002-06-04 Fuji Photo Film Co., Ltd. Antiglare film, method for producing the same, polarizer and liquid crystal display
JP2002328233A (ja) * 2001-05-02 2002-11-15 Kanegafuchi Chem Ind Co Ltd 透明フィルム
JP2003057415A (ja) * 2001-08-21 2003-02-26 Fuji Photo Film Co Ltd 光拡散フィルム、その製造方法、偏光板および液晶表示装置
WO2003062875A1 (en) * 2002-01-23 2003-07-31 Nitto Denko Corporation Optical film, multilayer polarization plate, liquid crystal display comprising them, and spontaneous emission display

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2809712B2 (ja) 1989-06-22 1998-10-15 株式会社クラレ 位相差板
JP2765066B2 (ja) 1989-06-29 1998-06-11 住友化学工業株式会社 液晶表示装置
JPH04194820A (ja) 1990-11-22 1992-07-14 Sharp Corp 液晶表示装置
EP0698052B1 (en) 1993-04-21 2000-06-14 The University of Akron Negative birefringent polyimide films
US5344916A (en) 1993-04-21 1994-09-06 The University Of Akron Negative birefringent polyimide films
US5580950A (en) 1993-04-21 1996-12-03 The University Of Akron Negative birefringent rigid rod polymer films
US5550661A (en) * 1993-11-15 1996-08-27 Alliedsignal Inc. Optical phase retardation film
JP3044681B2 (ja) * 1994-06-08 2000-05-22 富士写真フイルム株式会社 液晶表示装置
JPH08328031A (ja) * 1995-06-02 1996-12-13 Sharp Corp フルカラー液晶表示装置およびその製造方法
KR100194212B1 (ko) * 1995-12-06 1999-06-15 윤종용 반도체 제조 설비용 가스 배관의 성능 평가 방법
US5750641A (en) 1996-05-23 1998-05-12 Minnesota Mining And Manufacturing Company Polyimide angularity enhancement layer
JPH11133412A (ja) * 1997-10-29 1999-05-21 Nitto Denko Corp 液晶素子、光学素子及び偏光素子
JP3539897B2 (ja) 1999-08-10 2004-07-07 株式会社日本触媒 低誘電性樹脂組成物
US6359669B1 (en) * 1999-09-17 2002-03-19 Rockwell Collins, Inc. Flat panel displays having an edge texture
JP3957257B2 (ja) * 2000-09-20 2007-08-15 日東電工株式会社 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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000190385A (ja) * 1998-12-28 2000-07-11 Nippon Mitsubishi Oil Corp 光学フィルムの製造法、光学フィルム及び液晶表示装置
CN1337009A (zh) * 1999-11-12 2002-02-20 钟渊化学工业株式会社 透明薄膜
JP2001343529A (ja) * 2000-03-30 2001-12-14 Kanegafuchi Chem Ind Co Ltd 偏光子保護フィルムおよびその製造方法
JP2001290023A (ja) * 2000-04-04 2001-10-19 Toray Ind Inc 液晶表示装置用ポリイミド位相差薄膜、及び該位相差薄膜を有するカラーフィルター、液晶表示装置
US6398371B1 (en) * 2000-09-22 2002-06-04 Fuji Photo Film Co., Ltd. Antiglare film, method for producing the same, polarizer and liquid crystal display
JP2002328233A (ja) * 2001-05-02 2002-11-15 Kanegafuchi Chem Ind Co Ltd 透明フィルム
JP2003057415A (ja) * 2001-08-21 2003-02-26 Fuji Photo Film Co Ltd 光拡散フィルム、その製造方法、偏光板および液晶表示装置
WO2003062875A1 (en) * 2002-01-23 2003-07-31 Nitto Denko Corporation Optical film, multilayer polarization plate, liquid crystal display comprising them, and spontaneous emission display

Also Published As

Publication number Publication date
JP4044485B2 (ja) 2008-02-06
TW200428110A (en) 2004-12-16
CN1774654A (zh) 2006-05-17
US7223452B2 (en) 2007-05-29
TWI263847B (en) 2006-10-11
KR20060008316A (ko) 2006-01-26
US20060182896A1 (en) 2006-08-17
WO2004097470A1 (ja) 2004-11-11
JP2004333702A (ja) 2004-11-25
KR100773283B1 (ko) 2007-11-05

Similar Documents

Publication Publication Date Title
CN100363762C (zh) 光学膜、其制造方法及使用这种光学膜的图像显示装置
KR100752092B1 (ko) 적층위상차판, 이를 사용한 적층편광판 및 화상표시장치
KR100591056B1 (ko) 광학 필름, 적층 편광판, 이들을 사용한 액정 표시 장치및 자발광형 표시 장치 및 광학필름의 제조방법
US7428029B2 (en) Optical film and its manufacturing method
KR100618366B1 (ko) 광학 필름, 적층 편광판, 액정패널, 액정표시장치, 자발광형 표시장치, 및 광학필름의 제조방법
JP3762751B2 (ja) 光学フィルムの製造方法
JP3838508B2 (ja) 積層位相差板の製造方法
CN100454112C (zh) 双折射光学膜、使用该膜的椭圆起偏振片和使用该起偏振片的液晶显示器
WO2005022214A1 (ja) 複合複屈折部材
CN1316305C (zh) 倾斜的光学补偿薄膜、其生产方法以及包括所述薄膜的液晶显示器
JP2003315554A (ja) 積層偏光板、およびそれを用いた画像表示装置
JP3917089B2 (ja) 傾斜光学補償フィルムの製造方法
JP3897743B2 (ja) 光学フィルムの製造方法
CN100422773C (zh) 包含至少两层光学各向异性层的层压延迟片的制造方法
JP3764440B2 (ja) 光学フィルムの製造方法
JP2004046068A (ja) 複屈折層の製造方法、および前記複屈折層を含む光学フィルム
JP3746050B2 (ja) 光学補償フィルム、それを用いた光学補償層付偏光板、および、それらを用いた液晶表示装置
JP2004212971A (ja) 複屈折性光学フィルム、それを用いた楕円偏光板、および、それらを用いた液晶表示装置
JP3838522B2 (ja) 積層位相差板の製造方法
JP2005258459A (ja) 光学フィルムの製造方法
JP2006195478A (ja) 光学フィルムの製造方法
JP2004212970A (ja) 複屈折性光学フィルム、それを用いた楕円偏光板、および、それらを用いた液晶表示装置
JP4137651B2 (ja) 複屈折層の製造方法、および前記複屈折層を含む光学フィルム
JP4481281B2 (ja) 傾斜光学補償フィルムとその製造方法、及びそれを用いた液晶表示装置
JP2006091920A (ja) 光学フィルム

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080123

Termination date: 20190428