JP2021121862A5 - - Google Patents
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- JP2021121862A5 JP2021121862A5 JP2021075511A JP2021075511A JP2021121862A5 JP 2021121862 A5 JP2021121862 A5 JP 2021121862A5 JP 2021075511 A JP2021075511 A JP 2021075511A JP 2021075511 A JP2021075511 A JP 2021075511A JP 2021121862 A5 JP2021121862 A5 JP 2021121862A5
- Authority
- JP
- Japan
- Prior art keywords
- polarizer
- polarizing plate
- film
- circularly polarizing
- retardation
- 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.)
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- 239000010410 layer Substances 0.000 claims 4
- 230000001681 protective effect Effects 0.000 claims 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 229910052740 iodine Inorganic materials 0.000 claims 1
- 239000011630 iodine Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
Claims (8)
前記偏光板は、偏光子と、前記偏光子の少なくとも一方の面に貼合された保護フィルムとを含み、
前記偏光子は、ポリビニルアルコール系樹脂フィルムにヨウ素が吸着配向したフィルムであり、
前記偏光子のホウ素含有量は、2.76重量%以上であり、
前記保護フィルムの透湿度は、50g/m2・24hr以上であり、
前記位相差フィルムは、重合性液晶化合物が硬化した層からなる、逆波長分散性を示す位相差層と、配向膜とを含み、前記位相差フィルムの偏光子側に前記配向膜が配置され、
前記配向膜の厚さは、10nm~200nmの範囲内であり、
前記偏光子の前記位相差層とは反対側に前記保護フィルムを積層し、
前記偏光子の前記位相差層側には保護フィルムを有しない、円偏光板。 A circularly polarizing plate having a polarizing plate and a retardation film laminated via an adhesive layer ,
The polarizing plate includes a polarizer and a protective film attached to at least one surface of the polarizer,
The polarizer is a film in which iodine is adsorbed and oriented on a polyvinyl alcohol resin film,
The boron content of the polarizer is 2.76 % by weight or more,
The moisture permeability of the protective film is 50 g/m 2 · 24 hr or more,
The retardation film includes a retardation layer exhibiting reverse wavelength dispersion, which consists of a layer in which a polymerizable liquid crystal compound is cured , and an alignment film, and the alignment film is disposed on the polarizer side of the retardation film. ,
the thickness of the alignment film is in the range of 10 nm to 200 nm;
Laminating the protective film on the opposite side of the polarizer to the retardation layer,
A circularly polarizing plate having no protective film on the retardation layer side of the polarizer.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019017655 | 2019-02-04 | ||
JP2019017655 | 2019-02-04 | ||
JP2019229519A JP2020126226A (en) | 2019-02-04 | 2019-12-19 | Polarizing plate and display device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019229519A Division JP2020126226A (en) | 2019-02-04 | 2019-12-19 | Polarizing plate and display device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021121862A JP2021121862A (en) | 2021-08-26 |
JP2021121862A5 true JP2021121862A5 (en) | 2022-12-21 |
Family
ID=72084876
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019229519A Pending JP2020126226A (en) | 2019-02-04 | 2019-12-19 | Polarizing plate and display device |
JP2021075511A Pending JP2021121862A (en) | 2019-02-04 | 2021-04-28 | Polarizing plate and display device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019229519A Pending JP2020126226A (en) | 2019-02-04 | 2019-12-19 | Polarizing plate and display device |
Country Status (1)
Country | Link |
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JP (2) | JP2020126226A (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021149314A1 (en) * | 2020-01-24 | 2021-07-29 | 日東電工株式会社 | Polarizing plate, polarizing plate with retardation layer, and image display device using said plates |
CN115004067A (en) * | 2020-01-24 | 2022-09-02 | 日东电工株式会社 | Polarizing plate with phase difference layer and image display device using same |
JP7114665B2 (en) * | 2020-01-24 | 2022-08-08 | 日東電工株式会社 | Polarizing plate with retardation layer and image display device using the same |
KR20220124150A (en) * | 2020-01-24 | 2022-09-13 | 닛토덴코 가부시키가이샤 | Polarizing plate with retardation layer and image display device using same |
JP7114664B2 (en) * | 2020-01-24 | 2022-08-08 | 日東電工株式会社 | Polarizing plate with retardation layer and image display device using the same |
WO2021149313A1 (en) * | 2020-01-24 | 2021-07-29 | 日東電工株式会社 | Polarizing plate and phase difference layer-equipped polarizing plate, and image display device using same |
JP7005803B1 (en) | 2020-10-26 | 2022-01-24 | 住友化学株式会社 | Laminate |
JP7462597B2 (en) * | 2020-12-24 | 2024-04-05 | 住友化学株式会社 | Circularly polarizing plate, optical laminate and image display device |
JP2022148128A (en) * | 2021-03-24 | 2022-10-06 | 住友化学株式会社 | Polarizer and image display device |
JP2023013221A (en) * | 2021-07-15 | 2023-01-26 | 住友化学株式会社 | Polarizing element, polarizing plate, and image display device |
JP7161004B1 (en) | 2021-08-02 | 2022-10-25 | 住友化学株式会社 | optical laminate |
JP2023027631A (en) * | 2021-08-17 | 2023-03-02 | 住友化学株式会社 | Polarizing plate |
JP2023042190A (en) * | 2021-09-14 | 2023-03-27 | 日東電工株式会社 | optical laminate |
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JP2004272202A (en) * | 2003-02-21 | 2004-09-30 | Fuji Photo Film Co Ltd | Polarizing plate, circularly polarizing plate, and elliptically polarizing plate |
KR20040075682A (en) * | 2003-02-21 | 2004-08-30 | 후지 샤신 필름 가부시기가이샤 | Polarized film, polarized plate, oval shape polarized plate, and circle shape polarized plate |
JP4404581B2 (en) * | 2003-07-30 | 2010-01-27 | 富士フイルム株式会社 | Polarizer |
JP2005284246A (en) * | 2004-03-04 | 2005-10-13 | Fuji Photo Film Co Ltd | Polarizing plate and method for manufacturing the same |
JP4827226B2 (en) * | 2004-03-25 | 2011-11-30 | 日東電工株式会社 | Manufacturing method of polarizing plate, polarizing plate and image display apparatus using the same |
JP2005338736A (en) * | 2004-05-31 | 2005-12-08 | Fuji Photo Film Co Ltd | Polarizer plate, optical compensation film incorporating polarizer plate, liquid crystal display and light emitting display device |
JP4849564B2 (en) * | 2007-08-27 | 2012-01-11 | 住友化学株式会社 | Iodine polarizing film and method for producing polarizing plate |
JP5257645B2 (en) * | 2007-10-25 | 2013-08-07 | 住友化学株式会社 | Manufacturing method of polarizing film and manufacturing method of polarizing plate |
JP2009230050A (en) * | 2008-03-25 | 2009-10-08 | Nitto Denko Corp | Liquid crystal panel and liquid crystal display |
CN102749668B (en) * | 2011-04-21 | 2016-02-24 | 富士胶片株式会社 | Polaroid and liquid crystal indicator |
JP5674598B2 (en) * | 2011-08-31 | 2015-02-25 | 富士フイルム株式会社 | Polarizing plate, image display device using the same, and adhesive composition |
JP5831249B2 (en) * | 2012-01-23 | 2015-12-09 | 住友化学株式会社 | Polarizing film, method for producing the same, and polarizing plate |
KR102129135B1 (en) * | 2012-02-28 | 2020-07-01 | 스미또모 가가꾸 가부시키가이샤 | Polarizing film, circular polarizing plate and method of producing the same |
KR101624072B1 (en) * | 2012-09-26 | 2016-05-24 | 주식회사 쿠라레 | Polyvinyl alcohol film and polarizing film |
JP2014137427A (en) * | 2013-01-15 | 2014-07-28 | Nissha Printing Co Ltd | Polarizer attached with touch function compatible with polarizing sunglass and manufacturing method of the same, and liquid crystal display device |
JPWO2014168258A1 (en) * | 2013-04-11 | 2017-02-16 | 住友化学株式会社 | Method for producing optically anisotropic film |
JPWO2015016296A1 (en) * | 2013-08-01 | 2017-03-02 | 富士フイルム株式会社 | Manufacturing method of polarizing plate |
CN104345370B (en) * | 2013-08-09 | 2018-08-24 | 住友化学株式会社 | Optical film |
JP6667983B2 (en) * | 2014-05-30 | 2020-03-18 | 富士フイルム株式会社 | Laminate and manufacturing method thereof, polarizing plate, liquid crystal display, organic EL display |
KR20160043765A (en) * | 2014-10-14 | 2016-04-22 | 스미또모 가가꾸 가부시키가이샤 | Polarizer and preparing method thereof |
WO2016194792A1 (en) * | 2015-05-29 | 2016-12-08 | 富士フイルム株式会社 | Polarizing plate, display device, and organic electroluminescence display device |
US10145997B2 (en) * | 2015-10-30 | 2018-12-04 | Sumitomo Chemical Company, Limited | Polarizing plate and polarizing plate assembly |
JP6649068B2 (en) * | 2015-12-07 | 2020-02-19 | 住友化学株式会社 | Manufacturing method of polarizing film |
JP6776275B2 (en) * | 2016-02-09 | 2020-10-28 | 株式会社クラレ | Method of manufacturing polarizing film |
CN109154686B (en) * | 2016-05-31 | 2021-12-24 | 住友化学株式会社 | Resin laminate with polarizing plate and display device comprising same |
WO2018038028A1 (en) * | 2016-08-22 | 2018-03-01 | 株式会社クラレ | Polarizing plate |
KR102226092B1 (en) * | 2016-10-12 | 2021-03-09 | 코니카 미놀타 가부시키가이샤 | Polarizing plate and liquid crystal display |
JP6850601B2 (en) * | 2016-12-21 | 2021-03-31 | 日東電工株式会社 | Image display device |
KR102582196B1 (en) * | 2017-03-08 | 2023-09-22 | 주식회사 쿠라레 | Polarizing film, polarizing plate, and their manufacturing method |
KR20240005236A (en) * | 2017-07-12 | 2024-01-11 | 스미또모 가가꾸 가부시끼가이샤 | Elliptically polarizing plate |
-
2019
- 2019-12-19 JP JP2019229519A patent/JP2020126226A/en active Pending
-
2021
- 2021-04-28 JP JP2021075511A patent/JP2021121862A/en active Pending
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