US Patent 11594701 Electroluminescent display device and method of manufacturing the same

An electroluminescent display device comprises a substrate, a first electrode on the substrate, a connection pattern on the substrate and spaced apart from the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, and a second electrode on the light-emitting layer, the bank and the connection pattern, wherein the connection pattern includes at least one protrusion part and a flat part, and wherein each of the first electrode and the connection pattern includes a first layer and a second layer, the second layer is disposed between the substrate and the first layer, and the second layer of the connection pattern has the at least one protrusion part.