The illumination optical system also illuminates the reflective liquid crystal display device with {HEAD ~ light} from {TAIL ~ the light source} via the polarization beam splitter and the quarter wave plate 
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The illumination optical system also illuminates the reflective liquid crystal display device with { HEAD ~ light } from { TAIL ~ the light source } via the polarization beam splitter and the quarter wave plate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH