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Display unit, array display and display panel utilizing the same and control method thereof

  • US 7,619,594 B2
  • Filed: 10/11/2005
  • Issued: 11/17/2009
  • Est. Priority Date: 05/23/2005
  • Status: Active Grant
First Claim
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1. A display unit, comprising:

  • a light-emitting diode comprising a cathode and an anode;

    a driving transistor comprising a source, a drain and a gate, wherein the source is adapted to receive a first voltage, the drain is coupled to a second voltage via the light-emitting diode, and the gate is adapted to receive a third voltage;

    a power supply system having a first terminal and a second terminal;

    a first resistor coupled between the drain of the driving transistor and the first terminal; and

    a second resistor coupled between the first terminal and a ground;

    wherein the power supply system provides the second voltage according to the voltage of the drain of the driving transistor, the resistance value of the first resistor, and the resistance value of the second resistor.

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