{HEAD ~ Each projector} has {TAIL ~ an illumination device}, a lattice like lens array, a display, and a projection lens 
has
{ HEAD ~ Each projector } has { TAIL ~ an illumination device } , a lattice like lens array , a display , and a projection lens
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH