Liquid crystal displays and liquid crystalline media with homeotropic alignment
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United States of America Patent
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Apr 30, 2019
Grant Date -
Jan 25, 2018
app pub date -
Aug 1, 2017
filing date -
Sep 25, 2010
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Abstract
The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy comprising self-aligning mesogens (SAMs) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The invention therefore also encompasses LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional imide alignment layers. The LC media may be supplemented by a polymerizable or polymerized component, which serves for stabilization of the alignment, for adjustment of the tilt angle and/or as passivation layer.
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