JP7246477B2 - 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
JP7246477B2
JP7246477B2 JP2021527626A JP2021527626A JP7246477B2 JP 7246477 B2 JP7246477 B2 JP 7246477B2 JP 2021527626 A JP2021527626 A JP 2021527626A JP 2021527626 A JP2021527626 A JP 2021527626A JP 7246477 B2 JP7246477 B2 JP 7246477B2
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JP
Japan
Prior art keywords
polarizing film
stretching
pva
treatment
laminate
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JP2021527626A
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English (en)
Japanese (ja)
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JPWO2020255779A1 (ko
Inventor
幸佑 ▲高▼永
周作 後藤
大介 濱本
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Nitto Denko Corp
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Nitto Denko Corp
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    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00634—Production of filters
    • B29D11/00644—Production of filters polarizing

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
JP2021527626A 2019-06-19 2020-06-08 偏光膜、偏光板、および該偏光膜の製造方法 Active JP7246477B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019113997 2019-06-19
JP2019113997 2019-06-19
PCT/JP2020/022538 WO2020255779A1 (ja) 2019-06-19 2020-06-08 偏光膜、偏光板、および該偏光膜の製造方法

Publications (2)

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JPWO2020255779A1 JPWO2020255779A1 (ko) 2020-12-24
JP7246477B2 true JP7246477B2 (ja) 2023-03-27

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JP2021527626A Active JP7246477B2 (ja) 2019-06-19 2020-06-08 偏光膜、偏光板、および該偏光膜の製造方法

Country Status (5)

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JP (1) JP7246477B2 (ko)
KR (1) KR20220019686A (ko)
CN (1) CN113994243A (ko)
TW (1) TW202101044A (ko)
WO (1) WO2020255779A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117881989A (zh) 2021-06-29 2024-04-12 株式会社可乐丽 偏振板和由其形成的热成型体、以及热成型体的制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015137514A1 (ja) 2014-03-14 2015-09-17 日東電工株式会社 積層体、延伸積層体、延伸積層体の製造方法、それらを用いた、偏光膜を含む光学フィルム積層体の製造方法、及び偏光膜
JP2017219861A (ja) 2014-12-12 2017-12-14 住友化学株式会社 偏光フィルム及び偏光板

Family Cites Families (6)

* 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
TWI743373B (zh) * 2017-09-13 2021-10-21 日商日東電工股份有限公司 偏光膜、偏光板、及偏光膜之製造方法
TWI748108B (zh) * 2017-09-13 2021-12-01 日商日東電工股份有限公司 偏光膜、偏光板、及偏光膜之製造方法
JP6470456B1 (ja) * 2017-09-13 2019-02-13 日東電工株式会社 偏光膜、偏光板、および偏光膜の製造方法
TWI749242B (zh) * 2017-09-13 2021-12-11 日商日東電工股份有限公司 偏光膜、偏光板、及偏光膜之製造方法
JP6409142B1 (ja) * 2018-02-13 2018-10-17 日東電工株式会社 偏光膜、偏光板、および偏光膜の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015137514A1 (ja) 2014-03-14 2015-09-17 日東電工株式会社 積層体、延伸積層体、延伸積層体の製造方法、それらを用いた、偏光膜を含む光学フィルム積層体の製造方法、及び偏光膜
JP2017219861A (ja) 2014-12-12 2017-12-14 住友化学株式会社 偏光フィルム及び偏光板

Also Published As

Publication number Publication date
TW202101044A (zh) 2021-01-01
JPWO2020255779A1 (ko) 2020-12-24
KR20220019686A (ko) 2022-02-17
WO2020255779A1 (ja) 2020-12-24
CN113994243A (zh) 2022-01-28

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