A display device and method of manufacturing the same are disclosed. In one aspect, the display device includes a first line extending in a first direction, a second line extending in a second direction, and a storage capacitor electrically connected to at least one of the first line and the second line. The first line includes a first metal pattern layer extending in the first direction, an intermediate insulating layer formed over the first metal pattern layer, and a second metal pattern layer formed over the first metal pattern layer and the intermediate insulating layer. The second metal pattern layer extends in the first direction. The first line also includes a third metal pattern layer electrically connecting the first metal pattern layer to the second metal pattern layer via a contact hole.