JP7140122B2 - 積層体及び偏光板の製造方法 - Google Patents

積層体及び偏光板の製造方法 Download PDF

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Publication number
JP7140122B2
JP7140122B2 JP2019532610A JP2019532610A JP7140122B2 JP 7140122 B2 JP7140122 B2 JP 7140122B2 JP 2019532610 A JP2019532610 A JP 2019532610A JP 2019532610 A JP2019532610 A JP 2019532610A JP 7140122 B2 JP7140122 B2 JP 7140122B2
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JP
Japan
Prior art keywords
film
stretching
laminate
base film
polarizer material
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JP2019532610A
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English (en)
Japanese (ja)
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JPWO2019022028A1 (ja
Inventor
啓 眞島
貴道 猪股
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.)
Zeon Corp
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Zeon Corp
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Publication of JPWO2019022028A1 publication Critical patent/JPWO2019022028A1/ja
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/325—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polycycloolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/03—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers with respect to the orientation of features
    • B32B7/035—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers with respect to the orientation of features using arrangements of stretched films, e.g. of mono-axially stretched films arranged alternately
    • 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
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/516—Oriented mono-axially

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP2019532610A 2017-07-25 2018-07-23 積層体及び偏光板の製造方法 Active JP7140122B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017143267 2017-07-25
JP2017143267 2017-07-25
PCT/JP2018/027562 WO2019022028A1 (ja) 2017-07-25 2018-07-23 積層体

Publications (2)

Publication Number Publication Date
JPWO2019022028A1 JPWO2019022028A1 (ja) 2020-07-02
JP7140122B2 true JP7140122B2 (ja) 2022-09-21

Family

ID=65040615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019532610A Active JP7140122B2 (ja) 2017-07-25 2018-07-23 積層体及び偏光板の製造方法

Country Status (5)

Country Link
JP (1) JP7140122B2 (zh)
KR (1) KR102511352B1 (zh)
CN (1) CN110959125B (zh)
TW (1) TWI756453B (zh)
WO (1) WO2019022028A1 (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015203828A (ja) 2014-04-16 2015-11-16 日東電工株式会社 延伸積層体およびその製造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006064967A1 (en) * 2004-12-15 2006-06-22 Fujifilm Corporation Cellulose acylate film, process for producing cellulose acylate film, polarizing plate and liquid crystal display device
US9085664B2 (en) * 2004-12-28 2015-07-21 The Nippon Synthetic Chemical Industry Co., Ltd. Polyvinyl alcohol film, and polarizing film and polarizing plate using the same
US8313814B2 (en) * 2005-11-25 2012-11-20 Fujifilm Corporation Cellulose acylate film, method of producing the same, cellulose derivative film, optically compensatory film using the same, optically-compensatory film incorporating polarizing plate, polarizing plate and liquid crystal display device
JP5231181B2 (ja) * 2007-11-30 2013-07-10 日東電工株式会社 偏光板、その製造方法、光学フィルムおよび画像表示装置
JP5568808B2 (ja) * 2009-10-20 2014-08-13 住友化学株式会社 バックライトを備える液晶表示装置および液晶表示装置用光学部材セット
JP4691205B1 (ja) 2010-09-03 2011-06-01 日東電工株式会社 薄型高機能偏光膜を含む光学フィルム積層体の製造方法
WO2012063954A1 (ja) * 2010-11-10 2012-05-18 住友化学株式会社 偏光性積層フィルムおよび偏光板の製造方法
JP6112921B2 (ja) * 2012-03-14 2017-04-12 日東電工株式会社 液晶表示パネルの製造方法
KR101273789B1 (ko) * 2012-04-19 2013-06-11 다이니폰 인사츠 가부시키가이샤 방현성 필름, 편광판 및 화상 표시 장치
KR101578610B1 (ko) 2013-06-18 2015-12-17 주식회사 엘지화학 연신 적층체, 박형 편광자의 제조 방법, 이를 이용하여 제조되는 박형 편광자 및 이를 포함하는 편광판
EP3018506B1 (en) * 2013-07-01 2019-03-13 Zeon Corporation Production method for optical film
CN104339796B (zh) * 2013-08-09 2018-03-02 住友化学株式会社 层叠体
JP2015055680A (ja) * 2013-09-10 2015-03-23 大日本印刷株式会社 偏光板、偏光板の製造方法、画像表示装置、画像表示装置の製造方法及び偏光板の光透過率改善方法
JP5495458B1 (ja) * 2013-09-11 2014-05-21 日東電工株式会社 光学フィルム積層体の製造方法
JP5968943B2 (ja) * 2014-03-31 2016-08-10 日東電工株式会社 延伸積層体の製造方法および延伸積層体、ならびに偏光膜の製造方法および偏光膜
JP6045623B2 (ja) * 2015-03-05 2016-12-14 住友化学株式会社 延伸フィルム、偏光フィルム及びそれを含む偏光板
KR101747559B1 (ko) * 2015-03-30 2017-06-14 스미또모 가가꾸 가부시키가이샤 편광판
JP6734745B2 (ja) * 2015-10-14 2020-08-05 日東電工株式会社 偏光子およびその製造方法
JP2017097048A (ja) * 2015-11-19 2017-06-01 日本合成化学工業株式会社 偏光板用積層体および偏光板

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015203828A (ja) 2014-04-16 2015-11-16 日東電工株式会社 延伸積層体およびその製造方法

Also Published As

Publication number Publication date
KR102511352B1 (ko) 2023-03-16
CN110959125B (zh) 2022-03-18
JPWO2019022028A1 (ja) 2020-07-02
WO2019022028A1 (ja) 2019-01-31
KR20200035011A (ko) 2020-04-01
TWI756453B (zh) 2022-03-01
TW201908136A (zh) 2019-03-01
CN110959125A (zh) 2020-04-03

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