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Display device

  • US 20040080263A1
  • Filed: 05/14/2003
  • Published: 04/29/2004
  • Est. Priority Date: 05/17/2002
  • Status: Active Grant
First Claim
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1. A display device comprising a semiconductor, a gate insulating film over the semiconductor, a first metal layer over the gate insulating film, a first passivation film provided over the semiconductor, a second metal layer over the first passivation film, a flattening film over the second metal layer, a barrier film over the flattening film, and the third metal layer over the barrier film, wherein a side face of a first opening provided with the flattening film is covered by the barrier film;

  • a second opening provided with a lamination having the gate insulating film, the first passivation film, the barrier film is formed inside the first opening; and

    the third metal layer is connected to the semiconductor via the first opening and the second opening, the display device comprising;

    a first capacitor element composed of the semiconductor, the gate insulating film, and the first metal layer; and

    a second capacitor element comprising the first metal layer, the first passivation film, and the second metal layer.

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