{HEAD ~ A light emitting device} of {TAIL ~ the invention} comprises a light emitting layer on a substrate and mode conversion means for converting the mode from the guided mode into an emission mode 
{ HEAD ~ A light emitting device } of { TAIL ~ the invention } comprises a light emitting layer on a substrate and mode conversion means for converting the mode from the guided mode into an emission mode
HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH