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Liquid crystal display device which regulates display of frame image data and operation of backlight unit to reduce power consumption

  • US 5,812,149 A
  • Filed: 05/23/1995
  • Issued: 09/22/1998
  • Est. Priority Date: 05/24/1994
  • Status: Expired due to Term
First Claim
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1. A liquid crystal display device comprising:

  • a display portion;

    memory means for storing at least continuous first and second frame image data;

    comparing means for comparing the first frame image data with the second frame image data;

    output means for selectively outputting at least a vertical synchronizing signal in accordance with a comparison result of the comparing means; and

    control means for reading out the frame image data from the memory means and controlling the display portion in accordance with the selectively output vertical synchronizing signal, to display the read out frame image data on the display portion.

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