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Liquid crystal display device and method of driving the same

  • US 20020113763A1
  • Filed: 02/08/2002
  • Published: 08/22/2002
  • Est. Priority Date: 02/09/2001
  • Status: Active Grant
First Claim
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1. A liquid crystal display device wherein n-bit digital picture signals are used to represent gradation where n is a natural number of 2 or more, comprising:

  • k pixels wherein k is a natural number of 2 or more, each of the k pixels comprising n memory circuits and a liquid crystal element, and the k pixels comprising a D/A converter circuit;

    means for memorizing the n-bit digital picture signals in the n memory circuits;

    means for selecting one out of the k pixels and then inputting the n-bit digital picture signals memorized in the selected pixel to the D/A converter circuit; and

    means for inputting analogue signals outputted from the D/A converter circuit to the liquid crystal element of the selected pixel.

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