{TAIL ~ a first electrode} and {HEAD ~ a second electrode} provided in order to apply electric power to the first light emission layer 
{ TAIL ~ a first electrode } and { HEAD ~ a second electrode } provided in order to apply electric power to the first light emission layer
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH