Patent ID: 8294154

Claim:
A semiconductor display device comprising: a third wiring; an interlayer insulating film over the third wiring; a first wiring over the interlayer insulating film, wherein the first wiring and the third wiring cross each other; a second wiring over the interlayer insulating film, wherein the second wiring and the third wiring cross each other; a fourth wiring over the interlayer insulating film; and a pixel electrode electrically connected to the first wiring and the second wiring, wherein the first wiring is electrically connected to the third wiring through a first contact hole formed in the interlayer insulating film, wherein the second wiring is electrically connected to the third wiring through a second contact hole formed in the interlayer insulating film, and wherein the fourth wiring is electrically connected to the third wiring through a third contact hole formed in the interlayer insulating film.