According to one embodiment, a display device includes a pixel area including pixels each including at least one thin film transistor includes a semiconductor layer and a gate electrode, a first terminal area including a first wiring line disposed thereon connected to the at least one thin film transistor, a first protective film provided on the semiconductor layer, the gate electrode and the first wiring line, a first insulating film provided on the first protective film, a second protective film provided on the first insulating film, a second insulating film provided on the second protective film, a first opening formed in the first terminal area, and partially exposing the first wiring line, and a second opening formed to correspond to the first opening.