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