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Title:
OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2020/137305
Kind Code:
A1
Abstract:
Provided is an optical film comprising a thermoplastic resin including a polymer having crystallinity, wherein the in-plane retardation Re is at most 20 nm, and the absolute value |R| of a change ratio of a dimension of the optical film after a thermomechanical analysis test to the dimension of the optical film before the thermomechanical analysis test is 0-1.5%.

Inventors:
KIKUKAWA MASARU (JP)
Application Number:
PCT/JP2019/046022
Publication Date:
July 02, 2020
Filing Date:
November 25, 2019
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Assignee:
ZEON CORP (JP)
International Classes:
G02B5/30; B29C55/08; C08J5/18; C08L61/06; C08L101/02; C08L101/12; G02F1/1335; B29K23/00; B29L7/00
Domestic Patent References:
WO2016171169A12016-10-27
WO2000018829A12000-04-06
Foreign References:
JP2014224170A2014-12-04
JPH10219045A1998-08-18
JP2011074202A2011-04-14
JPH0313315A1991-01-22
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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