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.
Atsushi KubonoYozo KyokaneYasushi KasajimaRyuichi AkiyamaKatsufumi Tanaka
Mee-Hye JungYong-Hae KimJong-Jean Kim
Zhizhong ZhuangYoung‐Jin KimJ. S. Patel
Yen-Te ChiangTsu-Ruey ChouSerena H. ChenChih‐Yu Chao