Patent ID: 8083561

Claim:
A method for repairing signal lines of a display panel, adapting for repairing a damaged signal line, the display panel comprising: a substrate; a plurality of signal lines disposed on the substrate; at least one shorting bar disposed on the substrate and corresponding to the signal lines; and a plurality of switches electrically coupled respectively to the signal lines and the at least one shorting bar, each of the switches comprising: a gate pattern disposed on the substrate, the gate pattern having a first region and a second region, the first region and the second region connected by a connecting portion; a source line disposed on the gate pattern, an insulation layer disposed between the source line and the gate pattern, one end of the source line electrically coupled to one of the signal lines; and a drain line disposed on the gate pattern, the insulation layer disposed between the drain line and the gate pattern, one end of the drain line electrically coupled to the shorting bar, the method comprising: breaking off the connecting portion of the gate pattern corresponding to the damaged signal line and separating the first region of the gate pattern from adjacent first regions by cutting; and welding the source line and the drain line corresponding to the damaged signal line with the first region of the gate pattern.