{HEAD ~ A surface illuminator} 1, wherein {TAIL ~ a switch} is provided in series with the color irregularity correcting resistor 
{ HEAD ~ A surface illuminator } 1 , wherein { TAIL ~ a switch } is provided in series with the color irregularity correcting resistor
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH