The black matrix prevents the light leakage in {HEAD ~ regions} occupied with the gate lines, {TAIL ~ the data lines}, and the thin film transistors 
occupied with
The black matrix prevents the light leakage in { HEAD ~ regions } occupied with the gate lines , { TAIL ~ the data lines } , and the thin film transistors
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH