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Title:
OPTICAL FILM, RETARDER FILM, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/110672
Kind Code:
A1
Abstract:
The present invention provides an optical film made of a resin C containing a copolymer P including a polymerization unit A and a polymerization unit B, wherein the optical film includes a phase separation structure that exhibits structural birefringence, the phase separation structure includes a phase (A) including the polymerization unit A as a main component and a phase (B) including the polymerization unit B as a main component, and |n(A) – n(B)| is greater than or equal to 0.12.

Inventors:
KUMAZAWA KAZUKI (JP)
SUDEJI HIRONARI (JP)
Application Number:
PCT/JP2019/043993
Publication Date:
June 04, 2020
Filing Date:
November 08, 2019
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
B29C48/305; G02B5/30; B29C55/04; C08F8/04; C08F297/04; C08J5/18; B29K9/00; B29L7/00; B29L11/00
Foreign References:
JP2006111650A2006-04-27
JP2001350023A2001-12-21
JP2007226109A2007-09-06
JP2018017967A2018-02-01
JPH05164920A1993-06-29
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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