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Display device and manufacturing method thereof

  • US 10,090,373 B2
  • Filed: 12/07/2017
  • Issued: 10/02/2018
  • Est. Priority Date: 09/20/2002
  • Status: Active Grant
First Claim
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1. A display device comprising:

  • a substrate;

    a semiconductor layer over the substrate;

    a gate electrode;

    a gate insulating layer interposed between the gate electrode and the semiconductor layer;

    a first insulating layer over the semiconductor layer;

    a second insulating layer comprising organic material over the first insulating layer;

    a wiring over the second insulating layer;

    a third insulating layer over the wiring; and

    a pixel electrode over the third insulating layer,wherein the gate electrode comprises a first layer comprising titanium and a second layer comprising copper,wherein the second layer is over the first layer,wherein the second layer is narrower than the first layer, andwherein the wiring comprises copper.

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