Reflective liquid crystal television display

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Jan 1968Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:Proceedings of the IEEE, volume 56, pages 2,146-2,149 (issn: 0018-9219,

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Authors: J.A. van Raalte;

doi: 10.1109/proc.1968.6827 , 10.1109/iedm.1968.188023 , 10.1109/t-ed.1969.16686

Reflective liquid crystal television display

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Abstract

To our knowledge this represents the first report of a reflective television display operating "off-the-air." The display uses the dynamic scattering mode (DSM) in nematic liquid-crystals and can be viewed in high-brightness ambients. The liquid-crystal cell, 1/4 - 1/2 mil thick, was addressed in real-time by means of an electron beam, using a wire-mosaic faceplate on a demountable cathode-ray tube. Two different liquid-crystal materials: anisylidene para-amino phenyl acetate (APAPA) and an RCA-proprietary room-temperature liquid-crystal were tested, with similar results except for the difference in operating temperature (82-110°C and room-temperature, respectively).

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College of New Jersey
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