| 摘要 |
A gate driving unit for a liquid crystal display device including a plurality of liquid crystal pixels, first to Nth gate lines, a plurality of liquid crystal capacitors and a plurality of thin film transistors, includes first and second clock signal lines for providing first and second clock signals; first to Nth shift registers respectively corresponding to the first to Nth gate lines, the first to Nth shift registers receiving one of the first clock signal and the second clock signal and outputting first to Nth scanning signals, respectively; a redundant repair shift register as (N+1)th shift register receiving one of first and second clock signals and outputting a repair scanning signal; a plurality of first switches for respectively connecting one of the first and second clock signal lines to the first to Nth shift registers and the redundant repair shift register; a plurality of second switches for respectively switching a connection of the first to Nth shift registers with the first to Nth gate lines; and a plurality of third switches for respectively switching a connection of the second to Nth shift registers and the redundant repair shift register with the first to Nth gate lines, wherein N is positive integer.
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