Patent ID: 6943374

Claim:
A thin film transistor (TFT) array substrate for a liquid crystal display, comprising: an insulating substrate including a display area and a peripheral area surrounding the display area, the peripheral area including a first peripheral region arranged along a first edge of the display area and a second peripheral region arranged along a second edge of the display area; a plurality of signal lines formed on the insulating substrate and divided into a plurality of blocks, each block including a predetermined number of signal lines; a plurality of first repair lines formed in the first peripheral region, each crossing the signal lines of one or more of the plurality of blocks; a second repair line formed in the first peripheral region and crossing all of the plurality of signal lines; a plurality of third repair lines formed in the second peripheral region and connected to the first repair lines corresponding thereto, wherein each third repair line crosses the signal lines crossed by the corresponding first repair line; and a fourth repair line formed in the second peripheral region and crossing all of the plurality of signal lines.