Portions of the array of light modulators are designed so that each portion can independently display an image and {HEAD ~ the light source} provides {TAIL ~ needed light} to display the image 
Portions of the array of light modulators are designed so that each portion can independently display an image and { HEAD ~ the light source } provides { TAIL ~ needed light } to display the image
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH