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DISPLAY DEVICE

  • US 20190310509A1
  • Filed: 03/21/2019
  • Published: 10/10/2019
  • Est. Priority Date: 04/06/2018
  • Status: Active Grant
First Claim
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1. A display device comprising:

  • a plurality of pixels each comprising a transistor, the transistor comprising an input electrode, an output electrode, and a control electrode disposed in a different layer than the input electrode and the output electrode;

    a plurality of data lines comprising;

    a plurality of main data lines disposed in a same layer as the input electrode and the output electrode; and

    a plurality of fan-out data lines disposed in a same layer as the control electrode, the plurality of fan-out data lines being respectively electrically connected to first ends of the plurality of main data lines through contact holes;

    a data driver electrically connected to the plurality of fan-out data lines and configured to provide a data signal to the plurality of data lines;

    a plurality of first test parts disposed in the same layer as the plurality of main data lines and disposed between the plurality of pixels and the data driver, the plurality of first test parts being electrically connected to one group of data lines among a first group of data lines and a second group of data lines, the first group of data lines comprising odd-numbered data lines among the plurality of data lines, the second group of data lines comprising even-numbered data lines among the plurality of data lines; and

    a plurality of second test parts extending from respective second ends of those main data lines of those data lines of the other group of data lines among the first group of data lines and the second group of data lines.

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