Electric device

Electric device

  • CN 1,722,921 A
  • Filed: 11/30/2000
  • Published: 01/18/2006
  • Est. Priority Date: 11/30/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. electroluminescence Active Matrix Display comprises:

  • Many source signal lines;

    Many gate signal lines;

    Many power supply supply lines;

    Many power control lines;

    WithWith a plurality of pixels of matrix form arrangement,Each pixel in described a plurality of pixel includes;

    Switching thin-film transistor,The EL drive thin film transistors,The power supply control TFT andEL element andWherein;

    One of the source region of described switching thin-film transistor and drain region are electrically connected to one of described many source signal lines, and another then is electrically connected to the gate electrode of described EL drive thin film transistors;

    The gate electrode of described switching thin-film transistor is electrically connected to one of described gate signal line;

    One of the source region of described EL drive thin film transistors and drain region are electrically connected to one of described many power supply supply lines;

    Described power supply control TFT is controlled the negative electrode of described EL element and the potential difference between the anode;

    Another of the source region of described EL drive thin film transistors and drain region is electrically connected to one of the source region of described power supply control TFT and drain region;

    Another of the source region of described power supply control TFT and drain region is electrically connected to one of the anode of described EL element and negative electrode;

    AndThe gate electrode of described power supply control TFT is electrically connected to one of described many power control lines.

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