Title:
POLARIZING PLATE PROVIDED WITH PHASE DIFFERENCE LAYER
Document Type and Number:
WIPO Patent Application WO/2020/138368
Kind Code:
A1
Abstract:
Provided is a polarizing plate provided with a phase difference layer, having excellent durability despite being extremely thin. This polarizing plate provided with a phase difference layer has a polarizing plate including a polarizer and a protective layer disposed on one side of the polarizer, and a phase difference layer disposed on the reverse side of the polarizing plate from the protective layer. The protective layer is constituted from a solidified coating film of an organic solvent solution of a thermoplastic acrylic resin, and the glass transition temperature of the protective layer is 95°C or higher. In one embodiment, the thickness of the protective layer is 10 µm or less.
Inventors:
MIWA KAZUYA (JP)
KAMIJO TAKASHI (JP)
HAMAMOTO DAISUKE (JP)
SUZUKI HIKARU (JP)
KAMIJO TAKASHI (JP)
HAMAMOTO DAISUKE (JP)
SUZUKI HIKARU (JP)
Application Number:
PCT/JP2019/051304
Publication Date:
July 02, 2020
Filing Date:
December 26, 2019
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; B32B7/023; B32B27/30; C08F20/00; G02F1/1335
Domestic Patent References:
| WO2017057255A1 | 2017-04-06 | |||
| WO2002035263A1 | 2002-05-02 |
Foreign References:
| JP2017500593A | 2017-01-05 | |||
| JP2015230386A | 2015-12-21 | |||
| JP2010095567A | 2010-04-30 | |||
| JP2015110757A | 2015-06-18 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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