An organic electroluminescent display device includes: a substrate; a gate line, a data line and a power line on the substrate; a switching element connected to the gate line and the data line; a driving element connected to the switching element, the driving element including a driving drain electrode; a first passivation layer on the switching element and the driving element, the first passivation layer having a first contact hole exposing the driving drain electrode; a first shield pattern under the first contact hole, the first shield pattern including a same material and a same layer as the gate line; a first electrode on the first passivation layer, the first electrode connected to the driving drain electrode through the first contact hole; an organic electroluminescent layer on the first electrode; and a second electrode on the organic electroluminescent layer.