This invention relates to a light emitting device having a high light extraction efficiency, or in particular to an organic electroluminescence light {HEAD ~ emitting device} having {TAIL ~ a high light extraction efficiency} for the light emitted from an organic EL layer 
having
This invention relates to a light emitting device having a high light extraction efficiency , or in particular to an organic electroluminescence light { HEAD ~ emitting device } having { TAIL ~ a high light extraction efficiency } for the light emitted from an organic EL layer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH