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Title:
RETARDATION FILM, POLARIZING PLATE USING SAME, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/146599
Kind Code:
A1
Abstract:
[Problem] To provide: a retardation film which is capable of suppressing retardation change in a wet heat environment, while maintaining high retardation developability; a polarizing plate using the retardation film; and a display device. [Solution] A retardation film comprising a retardation increasing agent that contains a nitrogen-containing compound (A) represented by general formula (1) and a nitrogen-containing compound (B) represented by general formula (2). (In general formula (1), each Ar independently represents a substituted or unsubstituted aromatic hydrocarbon ring or a substituted or unsubstituted nitrogen-containing aromatic heterocycle; and each of X2 and Y2 independently represents a substituted or unsubstituted nitrogen-containing aromatic heterocycle.) (In general formula (2), each Ar independently represents a substituted or unsubstituted aromatic hydrocarbon ring or a substituted or unsubstituted nitrogen-containing aromatic heterocycle; and each of X3, Y3 and Z3 independently represents a substituted or unsubstituted nitrogen-containing aromatic heterocycle.)

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Inventors:
MORII SATOSHI (JP)
SERA TAKASHI (JP)
TAKAGI TAKAHIRO (JP)
Application Number:
PCT/JP2015/057233
Publication Date:
October 01, 2015
Filing Date:
March 12, 2015
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G02B5/30; C08K5/34; C08L1/00; G02F1/1335; G02F1/13363
Domestic Patent References:
WO2014184909A12014-11-20
WO2015019929A12015-02-12
Foreign References:
JP2006243470A2006-09-14
JP2007023124A2007-02-01
JP2013024903A2013-02-04
JP2007045806A2007-02-22
JP2007204705A2007-08-16
JP2010522900A2010-07-08
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
Hatta international patent business corporation (JP)
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