KR20220024138A - 편광막, 편광판 및 해당 편광막의 제조 방법 - Google Patents

편광막, 편광판 및 해당 편광막의 제조 방법 Download PDF

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Publication number
KR20220024138A
KR20220024138A KR1020217041878A KR20217041878A KR20220024138A KR 20220024138 A KR20220024138 A KR 20220024138A KR 1020217041878 A KR1020217041878 A KR 1020217041878A KR 20217041878 A KR20217041878 A KR 20217041878A KR 20220024138 A KR20220024138 A KR 20220024138A
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KR
South Korea
Prior art keywords
polarizing film
stretching
treatment
based resin
pva
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.)
Pending
Application number
KR1020217041878A
Other languages
English (en)
Korean (ko)
Inventor
료 시마즈
슈사쿠 고토
마유미 모리사키
Original Assignee
닛토덴코 가부시키가이샤
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 닛토덴코 가부시키가이샤 filed Critical 닛토덴코 가부시키가이샤
Publication of KR20220024138A publication Critical patent/KR20220024138A/ko
Pending legal-status Critical Current

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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)
KR1020217041878A 2019-06-25 2020-05-11 편광막, 편광판 및 해당 편광막의 제조 방법 Pending KR20220024138A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2019-117773 2019-06-25
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
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

Publications (1)

Publication Number Publication Date
KR20220024138A true KR20220024138A (ko) 2022-03-03

Family

ID=74060882

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217041878A Pending KR20220024138A (ko) 2019-06-25 2020-05-11 편광막, 편광판 및 해당 편광막의 제조 방법

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001343521A (ja) 2000-05-31 2001-12-14 Sumitomo Chem Co Ltd 偏光板及びその製造方法

Family Cites Families (12)

* 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
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
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
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
KR101839672B1 (ko) 2015-02-12 2018-03-16 스미또모 가가꾸 가부시키가이샤 편광 필름 및 그것을 포함하는 편광판
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
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001343521A (ja) 2000-05-31 2001-12-14 Sumitomo Chem Co Ltd 偏光板及びその製造方法

Also Published As

Publication number Publication date
TWI909588B (zh) 2025-12-21
JP2025107392A (ja) 2025-07-17
JP7502001B2 (ja) 2024-06-18
WO2020261778A1 (ja) 2020-12-30
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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