Segment-type, twisted nematic liquid-crystal panels with finely striped, two-color filters within the panel are discussed. The panel has a color filter-on-indium tin oxide structure. Two types of printed filter (an offset-printed (OP) filter and a screen-printed (SP) filter) were subjected to heat treatment and evaluated. It was found that an SP filter of about 0.3 mu m has less effect on the operating voltage and availability for multiplexed drive than an OP filter of about 1 mu m in thickness with the same color density. The test results for panel reliability for automotive use are given. The panels can digitally display a vehicle's speed, fuel level and engine revolutions in bargraph format with good legibility using three colors.


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    Titel :

    Multicolor LCD for automotive applications


    Weitere Titelangaben:

    Mehrfarben-LCD für die Automobilanwendung


    Beteiligte:
    Matsukawa, F. (Autor:in) / Arai, H. (Autor:in) / Ohtani, K. (Autor:in) / Matsushita, S. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1990


    Format / Umfang :

    5 Seiten, 3 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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