PRODUCTION METHOD OF POLARIZER
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United States of America Patent
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Issued Date -
Feb 23, 2017
app pub date -
Apr 23, 2015
filing date -
Apr 25, 2014
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Abstract
There is provided a polarizer that can realize the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A method of producing a polarizer of the present invention includes: bringing a basic solution into contact with a resin film containing a dichromatic substance; and reducing a content of an alkali metal and/or an alkaline earth metal in the resin film in the contact portion.
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