Patent ID: 8525969

Claim:
A repair structure for a liquid crystal display panel, comprising: a substrate; a plurality of scan lines disposed on the substrate; a plurality of signal lines crossing without contacting the scan lines to define a plurality of pixel regions; a plurality of thin film transistors respectively disposed in the pixel regions, each of the thin film transistors being electrically coupled to a corresponding one of the scan lines and a corresponding one of the signal lines; a plurality of pixel electrodes respectively disposed in the pixel regions, each of the pixel electrodes being electrically coupled to a corresponding one of the thin film transistors; and a plurality of common lines parallel to and alternately disposed with the scan lines on the substrate, each of the common lines having a plurality of branches being parallel to the signal lines, and a plurality of gaps defined between a trunk of the common line and the branches; wherein the branches of each common line respectively overlap without contacting the signal lines, and wherein each branch, the corresponding signal line, and the pixel electrode are arranged so as to expose the corresponding gap; wherein each of the thin film transistors comprises a drain electrode, one end of the drain electrode is electrically coupled to the thin film transistor and the other end of the drain electrode is disposed on the common line and electrically coupled to the corresponding pixel electrode via a contact hole, and wherein the other end of the drain electrode has an extension portion for covering a part of the gap.