{HEAD ~ The EL display} of {TAIL ~ the present invention} has 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 
of
{ HEAD ~ The EL display } of { TAIL ~ the present invention } has 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 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 OTH OTH OTH OTH