About: http://webisa.webdatacommons.org/448539505

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	FIG. 5 is a plan view showing a schematic structure of an optical system of a projection unit PJ??? using a reflection-type liquid crystal panel as a light valve.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com