A colored Liquid Crystal Display (LCD) instrument cluster has been developed in place of the Vacuum Fluorescent Display (VFD) and the Light Emitting Diode (LED) type. A double layer guest-host (GH) type LCD is used for the display device. And the slow response in cold situations is improved by means of adjustment of the cell gap and adoption of a heated LCD. A cold cathode discharge tube with reflector realizes white, high and uniform brightness. Irregularities in brightness due to changes in the temperature is solved by adjustment of light and installation of a heater. A heat seal connector is chosen for use between the LCD and print circuit board. These clusters were introduced into the Japanese market for the Toyota Corona, a passenger car in 1983.


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    Titel :

    Development of automobile coloured LCD instrument cluster


    Weitere Titelangaben:

    Entwicklung einer farbigen LCD-Instrumentengruppe fuer Automobile


    Beteiligte:
    Ito, H. (Autor:in) / Iwai, Y. (Autor:in)


    Erscheinungsdatum :

    1985


    Format / Umfang :

    8 Seiten, 14 Bilder


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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