Drive device for driving liquid crystal display panel

Drive device for driving liquid crystal display panel

  • CN 101,494,040 B
  • Filed: 03/06/2009
  • Issued: 05/08/2013
  • Est. Priority Date: 03/06/2009
  • Status: Active Grant
First Claim
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1. a drive unit that is used for driving a display panels, is characterized in that, it comprises:

  • Time schedule controller, in order to produce a plurality of differential waves, this time schedule controller comprises a plurality of output ports, and each output port comprises two output terminals to export a corresponding differential wave;

    Many to transmission line, every a pair of transmission line comprises two transmission lines and is respectively coupled to two output terminals of a corresponding output port of this time schedule controller to receive a corresponding differential wave;

    A plurality of source electrode drive circuits, be fed into this display panels in order to produce a plurality of data-signals according to described differential wave, each source electrode drive circuit be coupled to these to transmission line to receive described differential wave, this source electrode drive circuit comprises a plurality of input ports, and each input port comprises two input ends and is coupled to corresponding a pair of transmission line;

    A plurality of first terminal resistance, each first terminal resistance are coupled between two first terminals of corresponding a pair of transmission line;

    AndA plurality of the first auxiliary resistances are respectively coupled to the described transmission line between this time schedule controller and described source electrode drive circuit, and wherein, each first auxiliary resistance is coupled between the two corresponding transmission lines of a corresponding output port that is close to this time schedule controller;

    Many shield wires, in order to receive a ground voltage or a fixed voltage, each shield wire is arranged between two pairs of adjacent transmission lines;

    A plurality of the second auxiliary resistances, each second auxiliary resistance are coupled between a corresponding input end of a corresponding transmission line and a corresponding source electrode drive circuit.

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