A display unit is constituted by a passive matrix of independently controllable pixels characterized by an active area of {TAIL ~ n rows} and m columns of discrete pixels and {HEAD ~ a pixel border} 
A display unit is constituted by a passive matrix of independently controllable pixels characterized by an active area of { TAIL ~ n rows } and m columns of discrete pixels and { HEAD ~ a pixel border }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD