DISPLAY DEVICE AND MANUFACTURING METHOD OF SAME

A display device includes a substrate including an emission area and a non-emission area; a circuit element layer formed on the substrate and having circuit elements disposed thereon; an overcoat layer covering the circuit element layer; an auxiliary electrode formed on the overcoat layer in the non-emission area and composed of multiple layers with a reflective layer in between; an electron transport layer covering the auxiliary electrode; and a cathode electrode formed on the electron transport layer, wherein the auxiliary electrode includes an electrode hole passing through the multiple layers, and the reflective layer includes at least one protrusion protruding toward inside from a sidewall of the electrode hole and contacting the cathode electrode.