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Display device

  • US 20070263133A1
  • Filed: 01/03/2007
  • Published: 11/15/2007
  • Est. Priority Date: 03/26/1997
  • Status: Active Grant
First Claim
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1. A display device comprising:

  • a substrate;

    a thin film transistor formed over the substrate;

    a first insulating film formed over the thin film transistor, the first insulating film having a first contact hole;

    an electrode formed over the first insulating film, the electrode being in contact with one of a source region or a drain region of the thin film transistor through the first contact hole;

    a second insulating film formed over the electrode, the second insulating film comprising silicon nitride and having a second contact hole; and

    a pixel electrode formed over the second insulating film, the pixel electrode being in contact with the electrode through the second contact hole, wherein the second contact hole is overlapped with the first contact hole.

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