LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT
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United States of America Patent
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Issued Date -
Mar 9, 2017
app pub date -
Aug 31, 2016
filing date -
Sep 8, 2015
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Abstract
A liquid crystal alignment agent capable of forming a liquid crystal alignment film having good environmental resistance, the liquid crystal alignment film, and a liquid crystal display element having the liquid crystal alignment film are provided. The liquid crystal alignment agent includes a polymer (A), a benzotriazole compound (B) containing an epoxy group, and a solvent (C). The polymer (A) is obtained by reacting a mixture including a tetracarboxylic dianhydride component (a1) and a diamine component (a2).
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