Light-emitting display device and method of manufacturing the same

A light-emitting display device, comprising:

• a first substrate;
• a subpixel on the substrate;
• a contact area on the first substrate;
• a cover layer comprising a plurality of cover layer portions comprising first to third cover layer portions, each of the first to third cover layer portions being separated from each other;
• a first passivation layer covering the third cover layer portion in the contact area, the first passivation layer exposing part of the third cover layer portion;
• a second passivation layer covering the first cover layer portion and the second cover layer portion, exposing part of the second cover layer portion, covering the first passivation layer, and exposing part of the third cover layer portion;
• a pixel electrode layer comprising a plurality of pixel electrode layer portions comprising:
• a first pixel electrode layer portion on the second cover layer portion;
• and
• a second pixel electrode layer portion on the third cover layer portion;
• an organic insulating layer on the second passivation layer, the organic insulating layer comprising:
• an opening exposing part of the first pixel electrode layer;
• and
• a contact hole exposing part of the second pixel electrode layer;
• an organic emissive layer on the organic insulating layer and the first and second pixel electrode layers;
• and
• a common electrode layer on the organic emissive layer, the common electrode layer being electrically connected to the second pixel electrode layer in the contact area,
• wherein the opening comprises a first undercut shape including a recess of the second passivation layer into the bottom of the organic insulating layer partially exposing the bottom of the organic insulating layer,
• wherein the contact hole comprises a second undercut shape including a recess of the first passivation layer and the second passivation layer into the bottom of the organic insulating layer partially exposing the bottom of the organic insulating layer, and
• wherein a distance between the third cover layer portion and the organic insulating layer is different from a distance between the first cover layer portion and the organic insulating layer.

A method of manufacturing a light-emitting display device, the method comprising:

• providing a first substrate;
• providing a subpixel on the substrate, the providing the subpixel comprising:
• providing a light-emitting area;
• and
• providing a non-light-emitting area;
• providing a contact area on the first substrate;
• providing a cover layer comprising providing a plurality of cover layer portions comprising first to third cover layer portions disposed separate from each other;
• covering the third cover layer portion in the contact area with a first passivation layer, the first passivation layer exposing part of the third cover layer portion;
• providing a second passivation layer covering the first cover layer portion and the second cover layer portion, exposing part of the second cover layer portion, covering the first passivation layer, and exposing part of the third cover layer portion;
• providing a pixel electrode layer comprising providing a plurality of pixel electrode layer portions comprising:
• providing a first pixel electrode layer portion on the second cover layer portion;
• and
• providing a second pixel electrode layer portion on the third cover layer portion;
• providing an organic insulating layer on the second passivation layer, the providing the organic insulating layer comprising:
• providing an opening that exposes part of the first pixel electrode layer;
• and
• providing a contact hole that exposes part of the second pixel electrode layer;
• providing an organic emissive layer on the organic insulating layer and the first and second pixel electrode layers;
• and
• providing a common electrode layer on the organic emissive layer, the common electrode layer being electrically connected to the second pixel electrode layer,
• wherein the opening is provided with a first undercut shape formed by recessing the second passivation layer into the bottom of the organic insulating layer to partially expose the bottom of the organic insulating layer,
• wherein the contact hole is provided with a second undercut shape formed by recessing the first passivation layer and the second passivation layer into the bottom of the organic insulating layer to partially expose the bottom of the organic insulating layer, and
• wherein the first and second pixel electrode portions are self-aligned.