forming a source wire of a driving circuit and {HEAD ~ a gate wire} of {TAIL ~ the pixel portion} over the third insulating film 
of
forming a source wire of a driving circuit and { HEAD ~ a gate wire } of { TAIL ~ the pixel portion } over the third insulating film
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH