Active matrix liquid crystal display with pixel capacitor

A display device comprising a pixel portion, the pixel portion comprising a first wiring formed on an insulating surface, a first insulating film formed on the first wiring, a semiconductor film formed on the first insulating film, a second insulating film formed on the semiconductor film, a gate electrode formed on the second insulating film, and electrically connected to the first wiring, a third insulating film formed over the gate electrode, and a signal line formed over the third insulating film, and electrically connected to the semiconductor film.