The liquid crystal device of the present invention effectively prevents reversion of bright/dark states between a reflective display mode and a transmissive display mode. The liquid crystal device includes a first absorptive polarizer, which receives light from outside; a liquid crystal cell, which receives...http://www.google.de/patents/US6747716?utm_source=gb-gplus-sharePatent US6747716 - Optical element including an absorptive and reflective polarizer having particular orientation
