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Organic light emitting display device comprising a metal diffusion medium layer and method of manufacturing the same

  • US 8,698,147 B2
  • Filed: 09/23/2011
  • Issued: 04/15/2014
  • Est. Priority Date: 10/28/2010
  • Status: Active Grant
First Claim
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1. An organic light emitting display device comprising:

  • a thin-film transistor (TFT), which comprises an active layer, a gate electrode, a source electrode and a drain electrode;

    an organic electroluminescent device, which is electrically connected to the TFT, the organic electroluminescent device comprising;

    a pixel electrode, which is formed on the same layer as the gate electrode;

    an intermediate layer disposed on the pixel electrode and including an organic light emitting layer; and

    a counter electrode disposed on the intermediate layer; and

    a capacitor, which comprises;

    a bottom electrode, which is formed on the same layer and of the same material as the active layer, and is doped with an impurity;

    a top electrode, which is formed on the same layer as the gate electrode; and

    a metal diffusion medium layer, which is formed on the same layer as the source and drain electrodes and is connected to the bottom electrode, wherein a plurality of slits is formed in the bottom electrode, and the metal diffusion medium layer is connected to the bottom electrode between the plurality of slits.

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