Specifically, the light extraction efficiency is improved by converting the transparent electrode waveguide mode to {HEAD ~ the radiation mode} in which the light is radiated from the transparent electrode to the transparent substrate, or by converting the transparent substrate waveguide mode to {TAIL ~ the radiation mode} in which the light is radiated outside from the transparent substrate 
Specifically , the light extraction efficiency is improved by converting the transparent electrode waveguide mode to { HEAD ~ the radiation mode } in which the light is radiated from the transparent electrode to the transparent substrate , or by converting the transparent substrate waveguide mode to { TAIL ~ the radiation mode } in which the light is radiated outside from the transparent substrate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH