Double Layered Super Twisted Nematic LCD (D-STN) which can be operated by 1/128 duty ratio is presented. Two conflicting requirements; good visibility and a wide operating temperature range are fulfilled through optimization of cell parameters, such as twist angle, pretilt angle or liquid crystal to glass substrate and elastic properties of liquid crystal material. The response time of LCD decreases with increasing temperature. Hence at high temperature, the 'frame response' phenomenon is observed and this results in reduction of contrast ratio. The authors propose multiple line slection (MLS) method for increasing in contrast ratio at high temperature.


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    Title :

    Highly multiplexed dot-matrix LCD suitable for wide temperature range


    Additional title:

    Hochmultiplexe Punkt-Matrix-Flüssigkristallanzeige, die für einen breiten Temperaturbereich geeignet sind


    Contributors:
    Muraji, H. (author) / Matsumoto, T. (author) / Sigeno, K. (author) / Ruckmongathan, T.N. (author) / Ohara, K. (author)

    Published in:

    Publication date :

    1993


    Size :

    7 Seiten, 11 Bilder, 1 Tabelle, 6 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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