Title:
POLARIZING PLATE
Document Type and Number:
WIPO Patent Application WO/2020/217511
Kind Code:
A1
Abstract:
A polarizing plate according to the present invention sequentially comprises a protective film A, a polarizer, a protective film B and an adhesive layer in this order. The protective film A contains a (meth)acrylic resin and rubber particles a. The protective film B contains a (meth)acrylic resin and rubber particles b. In a cross-section of the protective film A, the average aspect ratio of the rubber particles is from 1.0 to 1.1; and in a cross-section of the protective film B, the average aspect ratio of the rubber particles is from 1.2 to 3.0. The (meth)acrylic resin contained in the protective film B is a copolymer that contains 50-95% by mass of a structural unit derived from methyl methacrylate, 1-25% by mass of a structural unit derived from a phenyl maleimide and 1-25% by mass of a structural unit derived from an acrylic acid alkyl ester.
Inventors:
SATO SHIORI
NANJO TAKASHI
NANJO TAKASHI
Application Number:
PCT/JP2019/018115
Publication Date:
October 29, 2020
Filing Date:
April 26, 2019
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G02B5/30; G02F1/1335
Domestic Patent References:
| WO2006118168A1 | 2006-11-09 |
Foreign References:
| KR20180079490A | 2018-07-11 | |||
| JP2006124435A | 2006-05-18 | |||
| JP2006259623A | 2006-09-28 | |||
| JP2008268417A | 2008-11-06 |
Attorney, Agent or Firm:
WASHIDA, Kimihito (JP)
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