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Patent Searching and Data


Title:
MULTILAYER OPTICAL FILM AND POLARIZING PLATE
Document Type and Number:
WIPO Patent Application WO/2017/002904
Kind Code:
A1
Abstract:
For the purpose of providing a film which has small optical anisotropy, high mechanical strength and excellent productivity and is suitable for use as a protective film for a polarizing film, the present invention proposes a multilayer optical film that comprises one or more layers mainly composed of a specific polycarbonate resin and one or more layers mainly composed of a resin which has a negative intrinsic birefringence. The present invention also proposes a polarizing plate which is obtained by bonding a polarizing film to this film.

Inventors:
ORIMO, Akiko (INC. 2-1-35, Nishishindo, Hiratsuka-sh, Kanagawa 14, 〒2548614, JP)
TANIGUCHI, Kouichirou (INC. 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)
NISHIOKA, Jun (INC. 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)
MIYASHITA, Yo (INC. 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)
IKEDA, Masashi (INC. 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)
Application Number:
JP2016/069415
Publication Date:
January 05, 2017
Filing Date:
June 30, 2016
Export Citation:
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Assignee:
MITSUBISHI PLASTICS, INC. (1-1-1, Marunouchi Chiyoda-k, Tokyo 52, 〒1008252, JP)
International Classes:
G02B5/30; B32B27/36; G02B1/14; G02F1/1335
Domestic Patent References:
2011-04-28
Foreign References:
JP2011161871A2011-08-25
JP2014133408A2014-07-24
JP2008181079A2008-08-07
JP2008024919A2008-02-07
JP2012514212A2012-06-21
JP2014209162A2014-11-06
JP2014106450A2014-06-09
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (6F. Akasaka 2-chome Annex, 19-8 Akasaka 2-chome, Minato-k, Tokyo 52, 〒1070052, JP)
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