Method for manufacturing polarizing film
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United States of America Patent
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Jun 6, 2017
Grant Date -
Jul 14, 2016
app pub date -
Jun 3, 2014
filing date -
Jun 4, 2013
priority date (Note) -
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Abstract
Provided herein is a method for producing a nano polaroid film using a one-pack type or two-pack type blackening ink so that a single layer film may replace a conventional polaroid film generally produced by superposing various types of optical films, and especially, a method for producing a nano polaroid film consisting of one film and having excellent observability by coating a transparent nano pattern substrate with a functional ink that contains a blackening material, and then removing particles formed on protruding portions using an etching solution, and refilling the functional ink into grooves.
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