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Patent Searching and Data


Title:
OPTICAL FILM, METHOD FOR PRODUCING SAME, POLARIZING PLATE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/111721
Kind Code:
A1
Abstract:
An optical film containing a cycloolefin resin and a compound having a structure represented by general formula (1). (Y represents an aromatic heterocycle having 5-20 members, X1 and X2 represent a substituted or unsubstituted aromatic ring group that forms a single bond with atoms constituting Y, and R represents a hydrogen atom, a cyano group, a hydroxy group, or a C1-10 alkyl group, or, when there are two, O=. n is the valence of Y and is an integer equal to or greater than 2. An angle formed by a straight line L 1 connecting the center of Y and the center of the ring located farthest from Y among the rings constituting X 1 and a straight line L2 connecting the center of Y and the center of the ring located farthest from Y among the rings constituting X2 is 110-145°.)

Inventors:
MATSUMOTO SAYAKA (JP)
OSAWA SHO (JP)
HATAZAWA SHOTA (JP)
Application Number:
PCT/JP2020/037689
Publication Date:
June 10, 2021
Filing Date:
October 05, 2020
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B29C55/02; G02B5/30; G02F1/13363; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
WO2016181756A12016-11-17
Foreign References:
JP2014148496A2014-08-21
JP2014178518A2014-09-25
JP2002022942A2002-01-23
JP2012208173A2012-10-25
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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