The method 1, wherein {TAIL ~ the organic electroluminescent display panel} is applied to {HEAD ~ a microdisplay} 
The method 1 , wherein { TAIL ~ the organic electroluminescent display panel } is applied to { HEAD ~ a microdisplay }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD