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