Array substrate with via holes having gradually decreased areas, photomask for manufacturing array substrate, and display device comprising array substrate

  • US 10,553,615 B2
  • Filed: 05/25/2017
  • Issued: 02/04/2020
  • Est. Priority Date: 04/26/2017
  • Status: Active Grant
First Claim
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1. An array substrate, comprising:

  • a substrate, which comprises switching elements and gate lines;

    a common electrode layer arranged on the substrate and provided with a common electrode, wherein a plurality of first via holes are provided at predetermined positions on the common electrode layer;

    a passivation layer arranged on the common electrode layer and having a plurality of second via holes disposed concentrically with the first via holes; and

    a pixel electrode layer arranged on the passivation layer and provided with a plurality of pixel electrodes connected to the switching element through corresponding second via holes;

    wherein, areas of the first via holes are configured to gradually decrease in a direction along an output proximal end to an output distal end of the gate line.

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