Abstract
Liquid crystals with a large negative dielectric anisotropy and large birefringence are desirable for vertical alignment applications. But they are difficult to align vertically on SiOx surfaces. An interesting method has been found to generate high quality vertical alignment by doping the host liquid crystal with materials that have a cyano group along their long molecular axis. Using this method we propose a way to design new liquid crystal mixtures with large dielectric anisotropy and birefringence that have improved aligning ability for applications requiring vertical alignment.
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