A field effect type liquid crytal display device suitable for use in a high level multiplexing drive, has liquid crystal molecules twisted with an angle from 180.degree. to 350.degree. which are held between two polarizers. The liquid crystal display device generates an interference color due to a birefringent...http://www.google.fr/patents/US5119220?utm_source=gb-gplus-shareBrevet US5119220 - Liquid crystal display device with a phase plate for shadow compensation
Liquid crystal display device with a phase plate for shadow compensation
