wherein a cross point is {TAIL ~ an intersection point} of {HEAD ~ an optical axis} of the illumination optical system and the reflective liquid crystal display 
wherein a cross point is { TAIL ~ an intersection point } of { HEAD ~ an optical axis } of the illumination optical system and the reflective liquid crystal display
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH