JP4902801B2 - 偏光フィルムの製造方法 - Google Patents

偏光フィルムの製造方法 Download PDF

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Publication number
JP4902801B2
JP4902801B2 JP2011137262A JP2011137262A JP4902801B2 JP 4902801 B2 JP4902801 B2 JP 4902801B2 JP 2011137262 A JP2011137262 A JP 2011137262A JP 2011137262 A JP2011137262 A JP 2011137262A JP 4902801 B2 JP4902801 B2 JP 4902801B2
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Japan
Prior art keywords
widening
film
stretching
roll
treatment
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.)
Active
Application number
JP2011137262A
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English (en)
Japanese (ja)
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JP2012027459A (ja
Inventor
圭二 網谷
ヨンヒョン クォン
ミンゼ チョン
ジョンヒ パク
ジョンミン チョ
チャンシク カン
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
Dongwoo Fine Chem Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Dongwoo Fine Chem Co Ltd
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Publication date
Application filed by Sumitomo Chemical Co Ltd, Dongwoo Fine Chem Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP2011137262A priority Critical patent/JP4902801B2/ja
Publication of JP2012027459A publication Critical patent/JP2012027459A/ja
Application granted granted Critical
Publication of JP4902801B2 publication Critical patent/JP4902801B2/ja
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    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B29C55/026—Shaping 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
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof as moulding material
    • B29K2029/04—PVOH, i.e. polyvinyl alcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0034—Polarising
JP2011137262A 2010-06-22 2011-06-21 偏光フィルムの製造方法 Active JP4902801B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011137262A JP4902801B2 (ja) 2010-06-22 2011-06-21 偏光フィルムの製造方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010141429 2010-06-22
JP2010141429 2010-06-22
JP2011137262A JP4902801B2 (ja) 2010-06-22 2011-06-21 偏光フィルムの製造方法

Publications (2)

Publication Number Publication Date
JP2012027459A JP2012027459A (ja) 2012-02-09
JP4902801B2 true JP4902801B2 (ja) 2012-03-21

Family

ID=45371439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011137262A Active JP4902801B2 (ja) 2010-06-22 2011-06-21 偏光フィルムの製造方法

Country Status (5)

Country Link
JP (1) JP4902801B2 (fr)
KR (1) KR101760541B1 (fr)
CN (1) CN102947735B (fr)
TW (1) TWI524098B (fr)
WO (1) WO2011162259A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012173544A (ja) * 2011-02-22 2012-09-10 Nitto Denko Corp 偏光子の製造方法
JP5986401B2 (ja) * 2012-03-09 2016-09-06 住友化学株式会社 偏光板の製造方法
JPWO2014115897A1 (ja) * 2013-01-28 2017-01-26 住友化学株式会社 偏光フィルムの製造方法
KR101460478B1 (ko) * 2013-06-18 2014-11-10 주식회사 엘지화학 연신 적층체, 박형 편광자의 제조 방법, 이를 이용하여 제조되는 박형 편광자 및 이를 포함하는 편광판
WO2016021432A1 (fr) * 2014-08-04 2016-02-11 住友化学株式会社 Procédé de fabrication de film polarisant
CN105729962B (zh) 2014-12-24 2018-01-05 住友化学株式会社 偏振膜、偏振片和偏振膜的制造方法
JP6067158B1 (ja) * 2015-07-27 2017-01-25 住友化学株式会社 偏光フィルムの製造方法
JP6017010B1 (ja) 2015-12-22 2016-10-26 住友化学株式会社 リチウムイオン二次電池用セパレータフィルムの製造方法およびリチウムイオン二次電池用セパレータフィルムの製造装置
JP6378731B2 (ja) * 2016-02-08 2018-08-22 住友化学株式会社 積層光学フィルムの製造方法
JP2017187731A (ja) * 2016-03-30 2017-10-12 住友化学株式会社 延伸フィルムの製造方法及び偏光フィルムの製造方法
US11536886B2 (en) 2017-06-26 2022-12-27 3M Innovative Properties Company Roll of film including multilayer birefringent reflective polarizer having low pass axis variation
JP7308905B2 (ja) * 2017-09-26 2023-07-14 住友化学株式会社 光学フィルムの製造方法及び製造装置
JP6979839B2 (ja) * 2017-09-26 2021-12-15 住友化学株式会社 光学フィルムの製造方法及び製造装置
JP7083611B2 (ja) * 2017-09-26 2022-06-13 住友化学株式会社 フィルムの搬送方法及び搬送装置、ならびに処理フィルムの製造方法及び製造装置
KR102489222B1 (ko) * 2018-09-28 2023-01-17 엘지디스플레이 주식회사 롤러블 표시장치
JP7316197B2 (ja) * 2019-11-19 2023-07-27 日東電工株式会社 偏光フィルムの製造方法、偏光フィルムの製造装置及び制御システム
KR20220022411A (ko) * 2020-08-18 2022-02-25 동우 화인켐 주식회사 반사방지용 편광판 및 이를 포함하는 화상표시장치
JP6988014B1 (ja) * 2021-03-30 2022-01-05 日東電工株式会社 延伸フィルムの製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01193803A (ja) * 1988-01-29 1989-08-03 Diafoil Co Ltd 偏光フィルムの製造方法
KR100752090B1 (ko) * 1999-11-22 2007-08-28 후지필름 가부시키가이샤 시이트 편광체, 광학 필름, 액정 디스플레이 및 시이트편광체의 제조방법
CN1212918C (zh) * 2001-03-21 2005-08-03 富士胶片株式会社 拉伸聚合物膜的方法,偏振膜以及制造该偏振膜的方法,偏振器,双折射膜和液晶显示装置
US6814914B2 (en) * 2001-05-30 2004-11-09 Konica Corporation Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display
JP4198559B2 (ja) * 2002-08-02 2008-12-17 日東電工株式会社 偏光フィルムの製造方法、およびそれを用いた偏光フィルムならびに光学フィルム
JP4137550B2 (ja) * 2002-08-08 2008-08-20 日東電工株式会社 偏光子の製造方法およびそれに用いる湿式延伸装置
JP4483329B2 (ja) * 2004-02-16 2010-06-16 住友化学株式会社 偏光フィルムの製造方法
JP2005227650A (ja) * 2004-02-16 2005-08-25 Sumitomo Chemical Co Ltd 偏光フィルムの製造方法、偏光板および光学積層体
JP4697964B2 (ja) * 2006-02-24 2011-06-08 日東電工株式会社 偏光子の製造方法および洗浄装置
JP5383079B2 (ja) * 2007-05-11 2014-01-08 富士フイルム株式会社 熱可塑性フイルム、熱可塑性フイルムの製造方法、熱可塑性フイルムの製造装置、並びに、偏光板、液晶表示板用光学補償フイルム、反射防止フイルム及び液晶表示装置

Also Published As

Publication number Publication date
KR101760541B1 (ko) 2017-07-21
TW201234058A (en) 2012-08-16
CN102947735A (zh) 2013-02-27
JP2012027459A (ja) 2012-02-09
TWI524098B (zh) 2016-03-01
CN102947735B (zh) 2015-04-29
WO2011162259A1 (fr) 2011-12-29
KR20130098275A (ko) 2013-09-04

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