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Liquid crystal display controller and liquid crystal display

  • US 7,202,844 B2
  • Filed: 11/30/2000
  • Issued: 04/10/2007
  • Est. Priority Date: 12/02/1999
  • Status: Expired due to Fees
First Claim
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1. A liquid crystal display comprising:

  • a liquid crystal panel being either normally white or normally black,a gradation power source supplying voltage depending on said liquid crystal panel,a liquid crystal display controller, which comprises;

    an inverter for inverting a digital image input signal;

    a selector for choosing and outputting a signal inverted by said inverter and said digital image input signal depending on a switching signal;

    a data processor for processing data for showing a signal transmitted by said selector on the liquid crystal panel, the data processor comprising a VT control section for a non-linear conversion; and

    a liquid crystal driver for transmitting the digital image input signal data-processed to the liquid crystal panel using electric power supplied by the gradation power source, anda micro processor or a dual in-line package switch outputting a switching signal for inputting the switching signal to the selector depending on the liquid crystal panel.

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