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Liquid crystal display driving circuit

  • US 6,137,462 A
  • Filed: 05/01/1997
  • Issued: 10/24/2000
  • Est. Priority Date: 05/02/1996
  • Status: Expired due to Term
First Claim
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1. A liquid crystal display (LCD) driving circuit comprising:

  • a ramp wave generating means for generating a plurality of ramp waves each having an appropriate tilt for each section along a T axis of a T-V (transmission-voltage) curve representing the light transmittivity of an LCD according to an applied voltage;

    a ramp wave selecting means for selecting one of the plurality of ramp waves according to input data; and

    ,a count means for adjusting the time the ramp wave outputted by the ramp wave selecting means is applied.

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