| 摘要 |
PURPOSE: A liquid crystal display device is provided to repair bad panel lines by forming isolated redundancy lines in the shape of "T", for reducing the generating RC delay, thereby increasing the repair success ratio and the repair area. CONSTITUTION: A liquid crystal display device includes a substrate, redundancy lines(6a,6b) disposed at edge portions of a display area(1) where a plurality of gate bus lines for applying driving signals and a plurality of data bus lines for applying data signals, gate pads and data pads, including the plurality of gate and data bus lines, redundancy lines(17a,17b) isolated in edge portions of the display area where data pad parts are positioned, welding lines electrically connected to the center of the isolated redundancy lines, Y-PCB(Printed Circuit Board;9a) connected to the gate pads via TCP(Tape Carrier Package) banding, X-PCB(9b) connected to the data pads via the TCP banding, and PCB redundancy lines(11) connected to the inside of the Y-PCB and X-PCB.
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