A display device including: a substrate including a first region and a second region; a signal line on the substrate and including a first layer and a second layer that overlap each other; and a first insulating layer between the substrate and the signal line, wherein a first organic layer may be between the first layer and the second layer in the first region, and the first layer and the second layer may be in direct contact with each other in the second region, and the first insulating layer may be disposed in an area in which the first organic layer is.