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Display device and manufacturing method thereof

  • US 10,741,629 B2
  • Filed: 07/11/2018
  • Issued: 08/11/2020
  • Est. Priority Date: 10/27/2017
  • Status: Active Grant
First Claim
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1. A display device, comprising:

  • a substrate comprising a display region and non-display region;

    at least one pixel disposed in the display region,wherein the at least one pixel comprises an emission region that emits a light, a non-emission region that does not emit the light, a light emitting element disposed in the emission region and comprising a pixel definition layer, and a pixel circuit that drives the light emitting element;

    a passivation layer disposed between the pixel circuit and the light emitting element,wherein the passivation layer covers the pixel circuit, and comprises a concave pattern disposed in the non-emission region and having a recessed shape facing away from the substrate,wherein a rounded bottom of the concave pattern is concave into the passivation layer; and

    a power supply line disposed on the passivation layer in the non-emission region and connected to the light emitting element,wherein the power supply line comprises an uneven pattern corresponding to the concave pattern,wherein the power supply line is electrically connected to the light emitting element through a via hole that passes through the pixel definition layer.

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