wherein {HEAD ~ the organic electroluminescence device} has {TAIL ~ a light transmittance} in a range of 20% to 35% 
has
wherein { HEAD ~ the organic electroluminescence device } has { TAIL ~ a light transmittance } in a range of 20 % to 35 %
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH