METHOD FOR MANUFACTURING AN OPTICAL ELEMENT
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United States of America Patent
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Issued Date -
Jun 3, 2021
app pub date -
Dec 10, 2020
filing date -
Dec 10, 2020
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Abstract
A method for manufacturing an optical element comprising a fine pattern over a substrate. Further, the method comprises: preparing the substrate comprising an uneven structure on a surface of the substrate, the uneven structure comprising recesses for the fine pattern; applying functional ink to the recesses; obtaining the optical element comprising the fine pattern made from the functional ink in the recesses.
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