Display panel having auxiliary electrode, display device including the same, and method of manufacturing display panel

A display device comprises:

• a display panel including an emission layer configured to emit a source light, and
• a light control member on the display panel and including a plurality of light control patterns configured to transmit the source light or to convert a wavelength of the source light,
• wherein the display panel includes:
• a base substrate configured to provide a base surface parallel to a plane defined by a first direction and a second direction crossing the first direction;
• a circuit layer on the base substrate;
• a first electrode in a first region on the circuit layer;
• an auxiliary electrode in a second region on the circuit layer and spaced apart from the first electrode;
• an organic layer on the first electrode and the auxiliary electrode and including a plurality of openings overlapping the auxiliary electrode, the organic layer including at least one emission layer;
• and
• a second electrode on the organic layer,
• wherein:
• the second electrode is electrically connected to the auxiliary electrode via each of the plurality of openings;
• at least a portion of the organic layer includes a plurality of protrusions having a shape surrounding each of the plurality of openings;
• and
• a width of each of the plurality of protrusions in the first direction is 7 μm or more in a plan view.

A method of manufacturing a display panel, the method comprises:

• providing a target substrate including a base substrate configured to provide a base surface parallel to a plane defined by a first direction and a second direction crossing the first direction, a pixel electrode on the base substrate, and an auxiliary electrode on a same layer as the pixel electrode;
• forming an organic layer including an emission layer on the pixel electrode and the auxiliary electrode;
• forming, by emitting a laser, an opening that passes through the organic layer on the auxiliary electrode, and a protrusion adjacent to the opening;
• and
• forming a counter electrode on the organic layer,
• wherein the counter electrode is electrically connected to the auxiliary electrode via the opening, and
• a width of the protrusion in the first direction is 7 μm or more in a plan view.