An organic light {HEAD ~ emitting device} having {TAIL ~ an anode}, a cathode and an organic layer between the anode and the cathode is provided 
having
An organic light { HEAD ~ emitting device } having { TAIL ~ an anode } , a cathode and an organic layer between the anode and the cathode is provided
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH