forming {HEAD ~ a third insulating film} so as to cover {TAIL ~ the source wire} of the pixel portion; and 
forming { HEAD ~ a third insulating film } so as to cover { TAIL ~ the source wire } of the pixel portion ; and
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH