Liquid crystal display devices include a vertically aligned liquid crystal cell having first and second surfaces that extend opposite each other and contain a liquid crystal material therein having negative dielectric anisotropy. First and second polarizers are attached to the first and second surfaces...http://www.google.com.au/patents/US6943858?utm_source=gb-gplus-sharePatent US6943858 - Liquid crystal display devices having wide viewing angle and improved contrast ratio