JP2021047453A5 - - Google Patents
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- Publication number
- JP2021047453A5 JP2021047453A5 JP2020205110A JP2020205110A JP2021047453A5 JP 2021047453 A5 JP2021047453 A5 JP 2021047453A5 JP 2020205110 A JP2020205110 A JP 2020205110A JP 2020205110 A JP2020205110 A JP 2020205110A JP 2021047453 A5 JP2021047453 A5 JP 2021047453A5
- Authority
- JP
- Japan
- Prior art keywords
- resin film
- polarizing plate
- polarizing
- optical resin
- element layer
- 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
Links
Claims (3)
前記偏光板を厚み方向から見て、前記偏光板の外周縁の形状は、凹部、凸部、及び曲線部のうちの少なくとも一つを有し、
前記偏光子層の端面が研磨されており、
前記偏光子層の端面の２乗平均平方根高さＳｑが０．４〜０．８μｍであり、
前記偏光子層の端面の算術平均高さＳａが０．３〜０．７μｍであり、
前記プロテクトフィルムが、樹脂フィルムに感圧性接着剤を積層した多層フィルムであり、
前記プロテクトフィルムが、前記感圧性接着剤層ごと前記第二光学樹脂フィルムから剥離可能である偏光板。 A polarizing element layer, a first optical resin film provided on one surface of the polarizing element layer, a second optical resin film provided on the other surface of the polarizing element layer, and the second optical resin film. A polarizing plate provided with a protective film on top.
When the polarizing plate is viewed from the thickness direction, the shape of the outer peripheral edge of the polarizing plate has at least one of a concave portion, a convex portion, and a curved portion.
The end face of the polarizing layer is polished and
Are two root mean square height Sq is 0.4~0.8μm der of the end surface of the polarizer layer,
The arithmetic mean height Sa of the end face of the polarizing element layer is 0.3 to 0.7 μm.
The protective film is a multilayer film in which a pressure-sensitive adhesive is laminated on a resin film.
A polarizing plate in which the protective film can be peeled off from the second optical resin film together with the pressure-sensitive adhesive layer.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019046826 | 2019-03-14 | ||
| JP2019046826 | 2019-03-14 | ||
| JP2019083239 | 2019-04-24 | ||
| JP2019083239 | 2019-04-24 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020013914A Division JP2020181184A (en) | 2019-03-14 | 2020-01-30 | Polarizer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021047453A JP2021047453A (en) | 2021-03-25 |
| JP2021047453A5 true JP2021047453A5 (en) | 2021-11-18 |
| JP7284141B2 JP7284141B2 (en) | 2023-05-30 |
Family
ID=72426399
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020013914A Pending JP2020181184A (en) | 2019-03-14 | 2020-01-30 | Polarizer |
| JP2020205110A Active JP7284141B2 (en) | 2019-03-14 | 2020-12-10 | Polarizer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020013914A Pending JP2020181184A (en) | 2019-03-14 | 2020-01-30 | Polarizer |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JP2020181184A (en) |
| KR (1) | KR20210138567A (en) |
| CN (1) | CN113574426B (en) |
| TW (1) | TW202041897A (en) |
| WO (1) | WO2020184030A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7203879B2 (en) * | 2021-03-25 | 2023-01-13 | 日東電工株式会社 | Method for manufacturing polarizing plate and polarizing plate |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000026817A (en) * | 1998-07-14 | 2000-01-25 | Teijin Ltd | Surface-protective film |
| JP4644661B2 (en) * | 2004-05-11 | 2011-03-02 | 日東電工株式会社 | Polarizing plate and image display device |
| JP4954662B2 (en) * | 2006-01-27 | 2012-06-20 | 日東電工株式会社 | Cutting method and manufacturing method of sheet-like member |
| KR101157444B1 (en) * | 2007-07-06 | 2012-06-22 | 닛토덴코 가부시키가이샤 | Polarization plate |
| JP5525764B2 (en) * | 2009-06-15 | 2014-06-18 | 日東電工株式会社 | Release film, protective film for polarizing plate using the release film, and polarizing plate using protective film for the polarizing plate |
| JP2011020192A (en) * | 2009-07-14 | 2011-02-03 | Sumitomo Electric Hardmetal Corp | Spiral radius end mill |
| JP6172980B2 (en) * | 2012-03-14 | 2017-08-02 | 日東電工株式会社 | Manufacturing method of liquid crystal display panel |
| JP6656799B2 (en) * | 2013-11-29 | 2020-03-04 | 王子ホールディングス株式会社 | Anti-Newton ring laminate and capacitive touch panel using the anti-Newton ring laminate |
| JP5979123B2 (en) * | 2013-12-05 | 2016-08-24 | 住友化学株式会社 | Polarizer with few bubble defects |
| JP6348291B2 (en) * | 2014-02-04 | 2018-06-27 | 住友化学株式会社 | Polarizing plate and display device |
| JP5886338B2 (en) * | 2014-02-21 | 2016-03-16 | 住友化学株式会社 | Polarizing plate, optical member set, and touch input type image display device |
| JP6258911B2 (en) * | 2014-12-22 | 2018-01-10 | 住友化学株式会社 | Polarizing plate with protective film and laminate including the same |
| JP5976969B1 (en) * | 2015-06-19 | 2016-08-24 | 住友化学株式会社 | Manufacturing method of polarizing plate with protective film |
| WO2017047510A1 (en) * | 2015-09-16 | 2017-03-23 | シャープ株式会社 | Method for producing differently shaped polarizing plate |
| JP2017181597A (en) * | 2016-03-28 | 2017-10-05 | 住友化学株式会社 | Optical film and polarizing plate |
| JP6684630B2 (en) * | 2016-03-31 | 2020-04-22 | 住友化学株式会社 | Polarizing plate and method of manufacturing polarizing plate |
| JP6495374B2 (en) | 2016-05-30 | 2019-04-03 | 住友化学株式会社 | Polarizing plate for image display device, image display device, and method for producing polarizing plate for image display device |
| JP2018012182A (en) * | 2016-07-22 | 2018-01-25 | 日東電工株式会社 | Method and apparatus for manufacturing polarization plate |
| JP6899721B2 (en) * | 2016-07-22 | 2021-07-07 | 日東電工株式会社 | Polarizing plate manufacturing method and its manufacturing equipment |
| JP2018031954A (en) * | 2016-08-26 | 2018-03-01 | 日東電工株式会社 | Polarizing plate and method for manufacturing the same, and image display device using polarizing plate |
| JP6201025B1 (en) * | 2016-10-14 | 2017-09-20 | 住友化学株式会社 | Polarizer, polarizing plate and image display device |
| JP6306675B1 (en) * | 2016-11-28 | 2018-04-04 | 住友化学株式会社 | Method for producing polarizing laminated film with protective film and method for producing polarizing plate |
| KR102510750B1 (en) * | 2017-04-04 | 2023-03-15 | 스미또모 가가꾸 가부시키가이샤 | Polarizing plate with protective film, and liquid crystal panel |
| JP6612294B2 (en) * | 2017-07-20 | 2019-11-27 | 住友化学株式会社 | Cutting device and method of manufacturing polarizing plate |
| JP6634417B2 (en) * | 2017-07-20 | 2020-01-22 | 住友化学株式会社 | Manufacturing method of polarizing plate |
-
2020
- 2020-01-30 JP JP2020013914A patent/JP2020181184A/en active Pending
- 2020-02-10 WO PCT/JP2020/005103 patent/WO2020184030A1/en active Application Filing
- 2020-02-10 KR KR1020217022112A patent/KR20210138567A/en unknown
- 2020-02-10 CN CN202080020361.6A patent/CN113574426B/en active Active
- 2020-02-24 TW TW109105854A patent/TW202041897A/en unknown
- 2020-12-10 JP JP2020205110A patent/JP7284141B2/en active Active
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