In the above manufacturing method, the n channel type {HEAD ~ TFT} having the second gate electrode is {TAIL ~ a TFT} of the pixel portion 
is
In the above manufacturing method , the n channel type { HEAD ~ TFT } having the second gate electrode is { TAIL ~ a TFT } of the pixel portion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH