Semiconductor device

A semiconductor device comprising:

• a substrate;
• a conductive film over the substrate;
• a first insulating film over the conductive film;
• a first semiconductor film over the first insulating film;
• a gate insulating film over the first semiconductor film;
• a first gate electrode over the gate insulating film;
• a second insulating film over the first gate electrode;
• a capacitor over the second insulating film;
• a planarizing film over the capacitor;
• a pixel electrode over the planarizing film;
• and
• a driver circuit comprising a second semiconductor film and a second gate electrode over the conductive film through the first insulating film,
• wherein the conductive film is electrically connected with the first gate electrode and the second gate electrode.

A semiconductor device comprising:

• a substrate;
• a conductive film over the substrate;
• a first insulating film over the conductive film;
• a first thin film transistor over the first insulating film;
• a second insulating film over the first thin film transistor;
• a capacitor over the second insulating film;
• a planarizing film over the capacitor;
• a pixel electrode over the planarizing film;
• and
• a driver circuit comprising a second thin film transistor over the conductive film through the first insulating film,
• wherein the conductive film is electrically connected with the first thin film transistor and the second thin film transistor, and
• wherein the capacitor overlaps with a part of the first thin film transistor.

A semiconductor device comprising:

• a substrate;
• a conductive film over the substrate;
• a first insulating film over the first conductive film;
• a first semiconductor film over the first insulating film;
• a gate insulating film over the first semiconductor film;
• a first gate electrode over the gate insulating film;
• a second insulating film over the first gate electrode;
• a capacitor over the second insulating film;
• a planarizing film over the capacitor;
• a pixel electrode over the planarizing film;
• and
• a driver circuit comprising a second semiconductor film and a second gate electrode over the conductive film through the first insulating film,
• wherein the conductive film is electrically connected with the first gate electrode and the second gate electrode, and
• wherein the capacitor overlaps with a part of the first semiconductor film.