{HEAD ~ An OLED} that satisfies this criterion will have {TAIL ~ enhanced properties} relative to the prior art due to the improved efficiency of the light emission from the device 
have
{ HEAD ~ An OLED } that satisfies this criterion will have { TAIL ~ enhanced properties } relative to the prior art due to the improved efficiency of the light emission from the device
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH