POLARIZING PLATE
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United States of America Patent
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Issued Date -
Jun 30, 2016
app pub date -
Dec 17, 2015
filing date -
Dec 24, 2014
priority date (Note) -
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Abstract
A polarizing plate according to an embodiment of the present invention includes a laminate produced by laminating a resin substrate having a percentage of water absorption of 0.2% or more and 3.0% or less and a glass transition temperature of 60° C. or more on one side of a polyvinyl alcohol-based film having a thickness of 30 μm or less, the laminate being subjected to dyeing treatment and stretching treatment including at least in-boric-acid-solution stretching. The polyvinyl alcohol-based film serves as a polarizing film and the resin substrate serves as a protective film for the polarizing film.
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