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LCD contrast control +ve and -ve

Discussion in 'Electronic Design' started by Joe G \(Home\), Apr 18, 2007.

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  1. Hi All,

    We are changing from std Yellow positve STN to Blue/White negative STN.

    Does the contrast voltage pin work in opposite direction between postive
    and negative STN?

    For deeper contrast on positive STN : Contrast Voltage reduced
    For deeper contrast on negative STN Contrast Voltage increased

    Are these statements above correct?

    Thanks in advance

  2. John Fields

    John Fields Guest

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