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Title:
RETARDER FILM AND POLARIZER PLATE HAVING RETARDER LAYER
Document Type and Number:
WIPO Patent Application WO/2020/184220
Kind Code:
A1
Abstract:
Provided is a retarder film in which whitening and cracking are suppressed and that has superior folding endurance. In the present invention, a film containing a prescribed polycarbonate-based resin, having Re(450)/Re(550) of 0.98-1.03 and having Re(550) of 200-400 nm, is used.

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Inventors:
NAKAHARA AYUMU (JP)
SHIMIZU TAKASHI (JP)
Application Number:
PCT/JP2020/008311
Publication Date:
September 17, 2020
Filing Date:
February 28, 2020
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30
Domestic Patent References:
WO2016068152A12016-05-06
WO2010061927A12010-06-03
WO2010061929A12010-06-03
WO2015159928A12015-10-22
Foreign References:
JP2018205663A2018-12-27
US20190055401A12019-02-21
JP2020019922A2020-02-06
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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