LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT HAVING THEREOF
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 22, 2014
filing date -
Dec 23, 2013
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a liquid crystal alignment agent, a liquid crystal alignment film made by the liquid crystal alignment agent and a liquid crystal display element having the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer composition (A), a photopolymerizable compound (B) and a solvent (C). The polymer composition (A) is synthesized by a mixture that includes a tetracarboxylic dianhydride component (a) and a diamine component (b). The aforementioned liquid crystal alignment agent has a lower ion density.
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