JP2018120120A5 - - Google Patents
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- JP2018120120A5 JP2018120120A5 JP2017012094A JP2017012094A JP2018120120A5 JP 2018120120 A5 JP2018120120 A5 JP 2018120120A5 JP 2017012094 A JP2017012094 A JP 2017012094A JP 2017012094 A JP2017012094 A JP 2017012094A JP 2018120120 A5 JP2018120120 A5 JP 2018120120A5
- Authority
- JP
- Japan
- Prior art keywords
- manufacturing
- laminated body
- peeling
- adhesive layer
- optical laminated
- 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.)
- Granted
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- 230000003287 optical Effects 0.000 claims 11
- 238000004519 manufacturing process Methods 0.000 claims 10
- 239000010410 layer Substances 0.000 claims 7
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims 5
- 230000001681 protective Effects 0.000 claims 5
- 238000000034 method Methods 0.000 claims 4
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive Effects 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- 238000007689 inspection Methods 0.000 claims 1
- 239000011241 protective layer Substances 0.000 claims 1
Claims (8)
前記第２の粘着剤層から前記剥離フィルムを剥離する剥離工程と、
剥離した前記剥離フィルムを前記第２の粘着剤層に再度貼り合せる再貼合工程と、を含み、
前記表面保護フィルムのきっかけ剥離力をＸ（Ｎ／５０ｍｍ）とし、前記剥離工程の前の前記剥離フィルムのきっかけ剥離力をＹ１（Ｎ／５０ｍｍ）とし、前記再貼合工程の後の前記剥離フィルムのきっかけ剥離力をＹ２（Ｎ／５０ｍｍ）としたとき、
Ｙ２＜Ｘ≦Ｙ１
を満足する、光学積層体の製造方法。 A method for producing an optical laminate having a surface protective film, a first pressure-sensitive adhesive layer, a polarizing plate, a second pressure-sensitive adhesive layer, and a release film in this order,
A peeling step of peeling the release film from the second pressure-sensitive adhesive layer;
A re-bonding step of re-bonding the peeled release film to the second pressure-sensitive adhesive layer,
The release film after the re-bonding step is set to X (N / 50 mm) as the trigger peeling force of the surface protective film, and Y1 (N / 50 mm) as the trigger peeling force of the release film before the peeling step. When the trigger peel force is Y2 (N / 50 mm),
Y2 <X ≦ Y1
The manufacturing method of the optical laminated body which satisfies these.
を満足する、請求項１に記載の光学積層体の製造方法。 XY2> 0.1
The manufacturing method of the optical laminated body of Claim 1 which satisfies these.
Ａ＞Ｂ＋Ｃ
を満足する、請求項１〜３のいずれかに記載の光学積層体の製造方法。 When the product of the tensile modulus and thickness of the surface protective film is A, the product of the tensile modulus and thickness of the polarizing plate is B, and the product of the tensile modulus and thickness of the release film is C ,
A> B + C
The manufacturing method of the optical laminated body in any one of Claims 1-3 which satisfies these.
を満足する、請求項４に記載の光学積層体の製造方法。 A ≦ B + C + 25550
The manufacturing method of the optical laminated body of Claim 4 which satisfies these.
前記剥離フィルムの厚みが３８μｍ以下である、請求項１〜５のいずれかに記載の光学積層体の製造方法。 The sum of the thickness of the surface protective film and the thickness of the first pressure-sensitive adhesive layer is 75 μm or more,
The manufacturing method of the optical laminated body in any one of Claims 1-5 whose thickness of the said peeling film is 38 micrometers or less.
前記偏光子の厚みが１２μｍ以下である、請求項１〜６のいずれかに記載の光学積層体の製造方法。 The polarizing plate has a polarizer and a protective layer laminated on the surface protective film side of the polarizer,
The manufacturing method of the optical laminated body in any one of Claims 1-6 whose thickness of the said polarizer is 12 micrometers or less.
The said peeling film of the said optical laminated body obtained by the manufacturing method of the optical laminated body in any one of Claims 1-7 is peeled, and the said polarizing plate is made into an optical member through the said 2nd adhesive layer. The manufacturing method of an image display apparatus including the process to bond.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017012094A JP6925808B2 (en) | 2017-01-26 | 2017-01-26 | Manufacturing method of optical laminate and manufacturing method of image display device |
| TW106144982A TWI760404B (en) | 2017-01-26 | 2017-12-21 | Manufacturing method of optical laminated body and manufacturing method of image display device |
| KR1020180002279A KR102371779B1 (en) | 2017-01-26 | 2018-01-08 | Method of producing optical laminate and method of producing image display device |
| CN201810014447.2A CN108363134B (en) | 2017-01-26 | 2018-01-08 | Method for manufacturing optical laminate and method for manufacturing image display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017012094A JP6925808B2 (en) | 2017-01-26 | 2017-01-26 | Manufacturing method of optical laminate and manufacturing method of image display device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018120120A JP2018120120A (en) | 2018-08-02 |
| JP2018120120A5 true JP2018120120A5 (en) | 2019-10-10 |
| JP6925808B2 JP6925808B2 (en) | 2021-08-25 |
Family
ID=63011036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017012094A Active JP6925808B2 (en) | 2017-01-26 | 2017-01-26 | Manufacturing method of optical laminate and manufacturing method of image display device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6925808B2 (en) |
| KR (1) | KR102371779B1 (en) |
| CN (1) | CN108363134B (en) |
| TW (1) | TWI760404B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7273472B2 (en) * | 2018-08-27 | 2023-05-15 | 日東電工株式会社 | laminate |
| JP7166353B2 (en) * | 2018-09-26 | 2022-11-07 | 富士フイルム株式会社 | Transfer film, polarizing plate, image display device, and method for producing polarizing plate |
| JP7039508B2 (en) | 2019-02-27 | 2022-03-22 | 住友化学株式会社 | Flexible laminate |
| JP7039507B2 (en) * | 2019-02-27 | 2022-03-22 | 住友化学株式会社 | Laminate |
| JP7039509B2 (en) | 2019-02-27 | 2022-03-22 | 住友化学株式会社 | Laminate |
| JP2020140008A (en) * | 2019-02-27 | 2020-09-03 | 住友化学株式会社 | Flexible laminate |
| KR20210132074A (en) * | 2019-02-27 | 2021-11-03 | 수미토모 케미칼 컴퍼니 리미티드 | laminate |
| JP7257907B2 (en) * | 2019-07-22 | 2023-04-14 | 日東電工株式会社 | Manufacturing method of thin circularly polarizing plate |
| TW202112542A (en) * | 2019-08-08 | 2021-04-01 | 日商住友化學股份有限公司 | Laminate prevent peeling of the protective film or warping of the laminate from occurring in the laminate of the protective film and the transparent resin film |
| KR20220045961A (en) * | 2019-08-21 | 2022-04-13 | 닛토덴코 가부시키가이샤 | optical laminate |
| JP7128932B1 (en) | 2021-04-15 | 2022-08-31 | 住友化学株式会社 | optical laminate |
| JP2022164140A (en) * | 2021-04-16 | 2022-10-27 | 日東電工株式会社 | Method for manufacturing optical laminate |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004078171A (en) * | 2002-06-18 | 2004-03-11 | Nitto Denko Corp | Polarizing plate with optical compensating layer and image display device using same |
| JP2009157363A (en) * | 2007-12-03 | 2009-07-16 | Nitto Denko Corp | Layered optical product, optical display device, and method for manufacturing optical display device |
| JP5058953B2 (en) * | 2007-12-06 | 2012-10-24 | 日東電工株式会社 | Manufacturing method of optical display unit and roll material used therefor |
| WO2009087942A1 (en) * | 2008-01-08 | 2009-07-16 | Sumitomo Chemical Company, Limited | Polarizer |
| WO2009128115A1 (en) * | 2008-04-15 | 2009-10-22 | 日東電工株式会社 | Optical film layered roll and method and device for manufacturing the same |
| JP2010044304A (en) * | 2008-08-18 | 2010-02-25 | Tokyo Cathode Laboratory Co Ltd | Inspection method for substrate having protective film |
| JP5647593B2 (en) * | 2011-11-17 | 2015-01-07 | 株式会社有沢製作所 | Protective film with carrier film |
| KR101587222B1 (en) * | 2013-04-15 | 2016-01-20 | 주식회사 엘지화학 | Apparatus for detecting alien substance for optical film |
| JP2015018202A (en) * | 2013-06-12 | 2015-01-29 | 住友化学株式会社 | Bonded optical member and method for manufacturing the same |
| TWI695874B (en) * | 2013-06-21 | 2020-06-11 | 日商日東電工股份有限公司 | Optical film laminate |
| KR101713880B1 (en) * | 2014-08-14 | 2017-03-22 | 주식회사 엘지화학 | System for controlling tension of films and System for manufacturing a polarizing plate comprising the same |
| JP2016118771A (en) * | 2014-12-18 | 2016-06-30 | 住友化学株式会社 | Polarizing plate with protective film and laminate including the same |
| JP2016118761A (en) * | 2014-12-22 | 2016-06-30 | 住友化学株式会社 | Polarizing plate and manufacturing method of the same, and set of polarizing plates, liquid crystal panel, and liquid crystal display device |
| JP2017003906A (en) * | 2015-06-15 | 2017-01-05 | 日東電工株式会社 | Polarization film with adhesive layer on both sides, and image formation apparatus |
| JP2017008173A (en) * | 2015-06-19 | 2017-01-12 | 日東電工株式会社 | Surface protective film |
-
2017
- 2017-01-26 JP JP2017012094A patent/JP6925808B2/en active Active
- 2017-12-21 TW TW106144982A patent/TWI760404B/en active
-
2018
- 2018-01-08 CN CN201810014447.2A patent/CN108363134B/en active Active
- 2018-01-08 KR KR1020180002279A patent/KR102371779B1/en active IP Right Grant
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