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