A brighter active matrix type liquid crystal electro-optical device with a higher contrast, yet having a wider visual angle is realized, said liquid crystal electro-optical device comprises a liquid crystal layer and means for applying an electric field to the liquid crystal layer in the direction parallel...http://www.google.com.au/patents/US7728942?utm_source=gb-gplus-sharePatent US7728942 - Liquid crystal electro-optical device
