Tunable refractive index polymers
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United States of America Patent
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Sep 5, 2023
Grant Date -
May 20, 2021
app pub date -
Nov 9, 2020
filing date -
Nov 19, 2019
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Abstract
Disclosed is a coating comprising a polymeric layer, wherein the polymeric layer comprises a reaction product of a first monomer comprising two or more aromatic acetylene groups and a second monomer comprising two or more cyclopentadienone groups, or a cured product of the reaction product. The coating may or may not additionally contain a crosslinker and/or a thermal acid generator. Optical thin films made from the coatings exhibit refractive indices that make them useful as interlayers for matching refractive indices between adjacent layers of display devices; thereby improving device output efficiency.
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