JP7029943B2 - 光学フィルムの製造方法 - Google Patents

光学フィルムの製造方法 Download PDF

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Publication number
JP7029943B2
JP7029943B2 JP2017228572A JP2017228572A JP7029943B2 JP 7029943 B2 JP7029943 B2 JP 7029943B2 JP 2017228572 A JP2017228572 A JP 2017228572A JP 2017228572 A JP2017228572 A JP 2017228572A JP 7029943 B2 JP7029943 B2 JP 7029943B2
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JP
Japan
Prior art keywords
stretching
zone
clip
film
neutral point
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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
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JP2017228572A
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English (en)
Japanese (ja)
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JP2019101075A (ja
Inventor
和也 秦
裕司 山下
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.)
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Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to JP2017228572A priority Critical patent/JP7029943B2/ja
Priority to KR1020180110080A priority patent/KR102518944B1/ko
Priority to TW107132750A priority patent/TWI785114B/zh
Priority to CN201811448938.4A priority patent/CN109839689B/zh
Publication of JP2019101075A publication Critical patent/JP2019101075A/ja
Application granted granted Critical
Publication of JP7029943B2 publication Critical patent/JP7029943B2/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
    • 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
    • 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
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00788—Producing optical films
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Polarising Elements (AREA)
  • Eyeglasses (AREA)
JP2017228572A 2017-11-29 2017-11-29 光学フィルムの製造方法 Active JP7029943B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017228572A JP7029943B2 (ja) 2017-11-29 2017-11-29 光学フィルムの製造方法
KR1020180110080A KR102518944B1 (ko) 2017-11-29 2018-09-14 광학 필름의 제조 방법
TW107132750A TWI785114B (zh) 2017-11-29 2018-09-18 光學膜之製造方法
CN201811448938.4A CN109839689B (zh) 2017-11-29 2018-11-28 光学薄膜的制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017228572A JP7029943B2 (ja) 2017-11-29 2017-11-29 光学フィルムの製造方法

Publications (2)

Publication Number Publication Date
JP2019101075A JP2019101075A (ja) 2019-06-24
JP7029943B2 true JP7029943B2 (ja) 2022-03-04

Family

ID=66849795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017228572A Active JP7029943B2 (ja) 2017-11-29 2017-11-29 光学フィルムの製造方法

Country Status (4)

Country Link
JP (1) JP7029943B2 (zh)
KR (1) KR102518944B1 (zh)
CN (1) CN109839689B (zh)
TW (1) TWI785114B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7349873B2 (ja) * 2019-10-04 2023-09-25 芝浦機械株式会社 同時二軸延伸装置
WO2021215174A1 (ja) * 2020-04-22 2021-10-28 芝浦機械株式会社 延伸装置及びクリップ個数調整方法
US11597198B2 (en) 2020-10-05 2023-03-07 Meta Platforms Technologies, Llc Methods of manufacturing optically anisotropic polymer thin films

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008023775A (ja) 2006-07-19 2008-02-07 Toshiba Mach Co Ltd シート・フィルムの斜め延伸方法およびクリップ式シート・フィルム延伸装置
JP2015206994A (ja) 2014-04-09 2015-11-19 日東電工株式会社 位相差フィルムの製造方法および円偏光板の製造方法ならびにフィルム延伸装置
JP2017140725A (ja) 2016-02-09 2017-08-17 日東電工株式会社 光学フィルムの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101501538B (zh) * 2006-12-28 2011-07-20 日东电工株式会社 起偏器的制造方法、起偏器、偏振片、光学薄膜、复合偏振片的制造方法、复合偏振片及图像显示装置
JP2010286619A (ja) 2009-06-10 2010-12-24 Nitto Denko Corp 光学フィルム、偏光板、液晶パネル、液晶表示装置および光学フィルムの製造方法
JP5490750B2 (ja) * 2010-09-03 2014-05-14 日東電工株式会社 薄型偏光膜の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008023775A (ja) 2006-07-19 2008-02-07 Toshiba Mach Co Ltd シート・フィルムの斜め延伸方法およびクリップ式シート・フィルム延伸装置
JP2015206994A (ja) 2014-04-09 2015-11-19 日東電工株式会社 位相差フィルムの製造方法および円偏光板の製造方法ならびにフィルム延伸装置
JP2017140725A (ja) 2016-02-09 2017-08-17 日東電工株式会社 光学フィルムの製造方法

Also Published As

Publication number Publication date
KR20190063375A (ko) 2019-06-07
TWI785114B (zh) 2022-12-01
JP2019101075A (ja) 2019-06-24
KR102518944B1 (ko) 2023-04-07
CN109839689A (zh) 2019-06-04
TW201924912A (zh) 2019-07-01
CN109839689B (zh) 2022-07-08

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