Title :
Electro-optical colour effects by twisted nematic liquid crystal
Author_Institution :
Royal Radar Establishment, Malvern, UK
Abstract :
Voltage control of colours has been obtained by reflective and transmissive devices employing birefringent layers in conjunction with twisted nematic liquid-crystal cells. The construction, properties and possible applications of such devices are discussed.
Keywords :
birefringence; electro-optical effects; liquid crystal devices; birefringence; colour; electrooptical colour effects; liquid crystal devices; twisted nematic liquid crystal; voltage control;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19740070
