Polarizing plate and method for producing the same

The present invention is to provide a polarizing plate having a retardation function while having excellent environmental resistance. The invention is concerned with a polarizing plate including a polarizer having, on at least one surface thereof, a protective film having a function as a retardation...

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Bibliographic Details
Main Authors MATSUO JYUHO, UCHIYAMA AKIHIKO, ONO YUHEI
Format Patent
LanguageChinese
English
Published 29.07.2009
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The present invention is to provide a polarizing plate having a retardation function while having excellent environmental resistance. The invention is concerned with a polarizing plate including a polarizer having, on at least one surface thereof, a protective film having a function as a retardation film via an adhesive layer, wherein the adhesive layer is formed of an adhesive containing a polyurethane; and the protective film is composed of a polycarbonate based resin or an amorphous polyolefin resin having a glass transition temperature in the range of from 100 DEG C to 180 DEG C, which is a copolymer containing an ethylene unit represented by the following formula (E) and a cyclic olefin unit represented by the following formula (F).
Bibliography:Application Number: CN2007828708