Display device and method of manufacturing the same

A display device comprising:

• a substrate comprising a display area in which a plurality of emission areas is arranged;
• a plurality of pixel electrodes on the substrate and respectively corresponding to the plurality of emission areas;
• a plurality of dummy patterns on the substrate and corresponding to a non-emission area between the plurality of emission areas;
• a plurality of light emitting elements corresponding to the plurality of emission areas;
• a planarization layer between the plurality of light emitting elements and covering the plurality of pixel electrodes and the plurality of dummy patterns;
• and
• a common electrode on the plurality of light emitting elements and the planarization layer and corresponding to the plurality of emission areas.

A method of manufacturing a display device, the method comprising:

• preparing a substrate comprising a display area in which a plurality of emission areas are arranged and placing a transistor array layer comprising a plurality of thin-film transistors corresponding to the plurality of emission areas and a via layer covering the plurality of thin-film transistors, on the substrate;
• placing a plurality of pixel electrodes corresponding to the plurality of emission areas and a plurality of dummy patterns corresponding to a non-emission area between the plurality of emission areas on the via layer;
• preparing a light emitting element array layer located on an auxiliary substrate and comprising a plurality of light emitting elements corresponding to the plurality of emission areas;
• placing the light emitting element array layer on the plurality of pixel electrodes and removing the auxiliary substrate;
• placing a planarization layer to fill a space between the plurality of light emitting elements and to cover the plurality of pixel electrodes and the plurality of dummy patterns;
• placing a common electrode corresponding to the plurality of emission areas on the plurality of light emitting elements and the planarization layer;
• placing a color conversion array layer on the common electrode;
• and
• placing a color filter layer on the color conversion array layer.