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Patent Searching and Data


Title:
LIQUID CRYSTAL CURED LAYER, PRODUCTION METHOD THEREFOR, OPTICAL FILM, POLARIZING PLATE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/163611
Kind Code:
A1
Abstract:
This liquid crystal cured layer is formed of a cured product of a liquid crystal composition. The liquid crystal composition contains: a polymerizable liquid crystal compound having reverse wavelength dispersibility; and a copolymer containing a monomer unit A containing a monovalent group with an aromatic ring and a monomer unit B containing a monovalent aliphatic hydrocarbon group optionally having a substituent. In the liquid crystal cured layer, a mesogen backbone of the polymerizable liquid crystal compound is oriented at an inclined angle of 85º to 90º relative to a plane of the liquid crystal cured layer.

Inventors:
SAITO MASAKAZU (JP)
FURUKAWA YUKI (JP)
KANNO YUTA (JP)
Application Number:
JP2019/005145
Publication Date:
August 29, 2019
Filing Date:
February 13, 2019
Export Citation:
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Assignee:
ZEON CORP (JP)
NISSAN CHEMICAL CORP (JP)
International Classes:
G02B5/30; G02F1/13; G02F1/1335; G02F1/13363; G09F9/30; H01F27/32; H01L51/50; H05B33/02
Domestic Patent References:
WO2017022591A12017-02-09
WO2016052490A12016-04-07
Foreign References:
JP2007217656A2007-08-30
US20130140587A12013-06-06
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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