and wherein the phase difference, which the reflective liquid crystal display device provides to the first diffracted light emitted from the cross point and cast into the first region, is greater than the phase difference which the reflective liquid crystal display device provides to {HEAD ~ the second diffracted light} emitted from {TAIL ~ a point} on the first optical axis and cast into the second region 
emitted from
and wherein the phase difference , which the reflective liquid crystal display device provides to the first diffracted light emitted from the cross point and cast into the first region , is greater than the phase difference which the reflective liquid crystal display device provides to { HEAD ~ the second diffracted light } emitted from { TAIL ~ a point } on the first optical axis and cast into the second region
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH