an organic layer formed on the first electrode, {TAIL ~ the organic layer} including {HEAD ~ at least an organic light} emitting layer; and 
an organic layer formed on the first electrode , { TAIL ~ the organic layer } including { HEAD ~ at least an organic light } emitting layer ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH