The present invention discloses an organic electroluminescence device including a substrate, a first electrode formed on the substrate, an organic layer formed on the first electrode and including {HEAD ~ at least an organic light} emitting {TAIL ~ layer}, and a second electrode formed on the organic layer 
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The present invention discloses an organic electroluminescence device including a substrate , a first electrode formed on the substrate , an organic layer formed on the first electrode and including { HEAD ~ at least an organic light } emitting { TAIL ~ layer } , and a second electrode formed on the organic layer
OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH