{HEAD ~ The illumination device} and {TAIL ~ lattice like lens array} form secondary light source images that are arrayed in a rectangular lattice 
{ HEAD ~ The illumination device } and { TAIL ~ lattice like lens array } form secondary light source images that are arrayed in a rectangular lattice
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH