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Apparatus and method of driving electro luminescence panel

  • US 6,724,151 B2
  • Filed: 06/25/2002
  • Issued: 04/20/2004
  • Est. Priority Date: 11/06/2001
  • Status: Expired due to Term
First Claim
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1. A driving apparatus for an electro luminescence panel having gate lines, data lines crossing with the gate lines, and electro luminescence cells OLED installed at crossing points of the gate lines and the data lines, comprising:

  • a first TFT connected between a power supply and a data line;

    a second TFT connected between the power supply and an electro luminescence cell OLED;

    a third TFT connected between the power supply and the first TFT for switching according to a signal on a gate line;

    a fourth TFT connected between gate electrodes of the first and second TFTs and the data line for switching according to the signal on the gate line; and

    a capacitor connected between the gate electrode of the second TFT and the power supply.

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