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