{HEAD ~ The EL display} of the present invention has {TAIL ~ a sensor portion} for detecting a luminance of a portion for displaying an image of the EL display and revising the luminance to a desirable value 
has
{ HEAD ~ The EL display } of the present invention has { TAIL ~ a sensor portion } for detecting a luminance of a portion for displaying an image of the EL display and revising the luminance to a desirable value
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH