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Driving circuit for display panel

  • US 8,115,723 B2
  • Filed: 03/30/2009
  • Issued: 02/14/2012
  • Est. Priority Date: 03/30/2009
  • Status: Active Grant
First Claim
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1. A driving circuit for a display panel, comprising:

  • a pre-charge power supply;

    a pre-charge switch, coupled between the pre-charge power supply and a capacitor of the display panel;

    a buffer circuit, used for buffering a data signal and producing a buffer signal; and

    a plurality of resistive devices, connected in series and coupled to the buffer circuit, and producing a plurality of driving signals between the plurality of resistive devices according to the buffer signal;

    wherein the driving circuit first closes the pre-charge switch to make the pre-charge power supply charge the capacitor, and then one of the plurality of driving signals charges the capacitor.

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