JP7502001B2 - 偏光膜、偏光板、および該偏光膜の製造方法 - Google Patents

偏光膜、偏光板、および該偏光膜の製造方法 Download PDF

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Publication number
JP7502001B2
JP7502001B2 JP2019117773A JP2019117773A JP7502001B2 JP 7502001 B2 JP7502001 B2 JP 7502001B2 JP 2019117773 A JP2019117773 A JP 2019117773A JP 2019117773 A JP2019117773 A JP 2019117773A JP 7502001 B2 JP7502001 B2 JP 7502001B2
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JP
Japan
Prior art keywords
polarizing film
treatment
stretching
laminate
based resin
Prior art date
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Application number
JP2019117773A
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English (en)
Japanese (ja)
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JP2021004945A (ja
Inventor
亮 嶋津
周作 後藤
真由美 森崎
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
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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
Priority to JP2019117773A priority Critical patent/JP7502001B2/ja
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to CN202080046294.5A priority patent/CN114026474A/zh
Priority to CN202410912896.4A priority patent/CN118769524A/zh
Priority to PCT/JP2020/018841 priority patent/WO2020261778A1/ja
Priority to KR1020217041878A priority patent/KR20220024138A/ko
Priority to TW109118844A priority patent/TWI900481B/zh
Priority to TW113129005A priority patent/TWI909588B/zh
Publication of JP2021004945A publication Critical patent/JP2021004945A/ja
Priority to JP2023063261A priority patent/JP7715755B2/ja
Application granted granted Critical
Publication of JP7502001B2 publication Critical patent/JP7502001B2/ja
Priority to JP2025078640A priority patent/JP2025107392A/ja
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Classifications

    • 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
    • B29C55/065—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 in several stretching steps
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
    • 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
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (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
    • 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
    • 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
    • G02B5/3033—Polarisers, 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
    • G02B5/3041—Polarisers, 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
    • G02B5/305—Polarisers, 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 including organic materials, e.g. polymeric layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/42—Polarizing, birefringent, filtering

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP2019117773A 2019-06-25 2019-06-25 偏光膜、偏光板、および該偏光膜の製造方法 Active JP7502001B2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2019117773A JP7502001B2 (ja) 2019-06-25 2019-06-25 偏光膜、偏光板、および該偏光膜の製造方法
CN202410912896.4A CN118769524A (zh) 2019-06-25 2020-05-11 偏光膜、偏光板和该偏光膜的制造方法
PCT/JP2020/018841 WO2020261778A1 (ja) 2019-06-25 2020-05-11 偏光膜、偏光板、および該偏光膜の製造方法
KR1020217041878A KR20220024138A (ko) 2019-06-25 2020-05-11 편광막, 편광판 및 해당 편광막의 제조 방법
CN202080046294.5A CN114026474A (zh) 2019-06-25 2020-05-11 偏光膜、偏光板和该偏光膜的制造方法
TW109118844A TWI900481B (zh) 2019-06-25 2020-06-04 偏光膜之製造方法
TW113129005A TWI909588B (zh) 2019-06-25 2020-06-04 偏光膜及偏光板
JP2023063261A JP7715755B2 (ja) 2019-06-25 2023-04-10 偏光膜および偏光板
JP2025078640A JP2025107392A (ja) 2019-06-25 2025-05-09 偏光膜および偏光板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019117773A JP7502001B2 (ja) 2019-06-25 2019-06-25 偏光膜、偏光板、および該偏光膜の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023063261A Division JP7715755B2 (ja) 2019-06-25 2023-04-10 偏光膜および偏光板

Publications (2)

Publication Number Publication Date
JP2021004945A JP2021004945A (ja) 2021-01-14
JP7502001B2 true JP7502001B2 (ja) 2024-06-18

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
JP2019117773A Active JP7502001B2 (ja) 2019-06-25 2019-06-25 偏光膜、偏光板、および該偏光膜の製造方法
JP2023063261A Active JP7715755B2 (ja) 2019-06-25 2023-04-10 偏光膜および偏光板
JP2025078640A Pending JP2025107392A (ja) 2019-06-25 2025-05-09 偏光膜および偏光板

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JP2023063261A Active JP7715755B2 (ja) 2019-06-25 2023-04-10 偏光膜および偏光板
JP2025078640A Pending JP2025107392A (ja) 2019-06-25 2025-05-09 偏光膜および偏光板

Country Status (5)

Country Link
JP (3) JP7502001B2 (https=)
KR (1) KR20220024138A (https=)
CN (2) CN114026474A (https=)
TW (2) TWI900481B (https=)
WO (1) WO2020261778A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7638258B2 (ja) * 2022-12-19 2025-03-03 日東電工株式会社 光学積層体、光学積層体ロール、および偏光板の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006095815A1 (ja) 2005-03-10 2006-09-14 Nippon Kayaku Kabushiki Kaisha ヨウ素系偏光フィルム、その製造方法及びそれを用いた偏光板
JP2016153886A (ja) 2015-02-12 2016-08-25 住友化学株式会社 偏光フィルム及びそれを含む偏光板
WO2019054268A1 (ja) 2017-09-13 2019-03-21 日東電工株式会社 偏光板、偏光板ロール、および偏光膜の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001154020A (ja) * 1999-11-29 2001-06-08 Nitto Denko Corp 偏光板及び光学部材
JP2001343521A (ja) * 2000-05-31 2001-12-14 Sumitomo Chem Co Ltd 偏光板及びその製造方法
KR100416924B1 (ko) * 2001-12-24 2004-01-31 신화오플라주식회사 자외선 흡수성능을 갖는 편광필름 및 그 제조방법
JP2005275216A (ja) * 2004-03-26 2005-10-06 Teijin Ltd 偏光板
JP4919403B2 (ja) * 2006-09-14 2012-04-18 日本化薬株式会社 高耐久性偏光板
JP2010026498A (ja) * 2008-06-17 2010-02-04 Nitto Denko Corp 偏光板及びその製造方法
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
JP4975186B1 (ja) * 2010-12-16 2012-07-11 日東電工株式会社 偏光膜の製造方法
JP6114160B2 (ja) * 2012-10-22 2017-04-12 日東電工株式会社 偏光膜および偏光膜の製造方法
CN111465657A (zh) * 2017-12-11 2020-07-28 住友化学株式会社 固化性组合物、光学层叠体及图像显示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006095815A1 (ja) 2005-03-10 2006-09-14 Nippon Kayaku Kabushiki Kaisha ヨウ素系偏光フィルム、その製造方法及びそれを用いた偏光板
JP2016153886A (ja) 2015-02-12 2016-08-25 住友化学株式会社 偏光フィルム及びそれを含む偏光板
WO2019054268A1 (ja) 2017-09-13 2019-03-21 日東電工株式会社 偏光板、偏光板ロール、および偏光膜の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
済木雄二、「ＬＣＤ用偏光板の技術動向」、日本ゴム協会誌、社団法人 日本ゴム協会、２０１１年８月、第８４巻８号（２０１１）、２３７～２４１頁

Also Published As

Publication number Publication date
TWI909588B (zh) 2025-12-21
JP2025107392A (ja) 2025-07-17
WO2020261778A1 (ja) 2020-12-30
KR20220024138A (ko) 2022-03-03
JP7715755B2 (ja) 2025-07-30
JP2023083366A (ja) 2023-06-15
CN114026474A (zh) 2022-02-08
TW202108384A (zh) 2021-03-01
CN118769524A (zh) 2024-10-15
JP2021004945A (ja) 2021-01-14
TWI900481B (zh) 2025-10-11
TW202446605A (zh) 2024-12-01

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