Vertical alignment type liquid crystal alignment agent and a liquid crystal display element

    公开(公告)号:JP4050487B2

    公开(公告)日:2008-02-20

    申请号:JP2001265049

    申请日:2001-08-31

    Abstract: PROBLEM TO BE SOLVED: To provide a vertical-orientation type liquid crystal orientation agent, excellent in vertical orientation, short in erasing time of persistent vision in a liquid crystal display element, and preferably usable as a MVA-type liquid crystal display element, and to provide a liquid crystal display element. SOLUTION: The vertical-orientation type liquid-crystal orientation agent is composed of a polymer having a diamine of a specific structure, and a repeating unit having an imide ring, wherein repeating unit is 40 mol% or above of a total repeating unit, and the liquid crystal display element using the same is provided.

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