{TAIL ~ A light emitting device} 312 can be disposed at the edge of {HEAD ~ the first substrate} 310 
{ TAIL ~ A light emitting device } 312 can be disposed at the edge of { HEAD ~ the first substrate } 310
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH