Display pixels and sensor pixels of an EL display each have an EL element, and the sensor pixels {HEAD ~ each} have {TAIL ~ a diode} 
have
Display pixels and sensor pixels of an EL display each have an EL element , and the sensor pixels { HEAD ~ each } have { TAIL ~ a diode }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL