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    • 6. 发明授权
    • Gate driving unit for liquid crystal display device and method of repairing the same
    • 用于液晶显示装置的门驱动单元及其修复方法
    • US08339349B2
    • 2012-12-25
    • US12318272
    • 2008-12-23
    • Hong-Jae ShinJeom-Jae KimMike (J. S.) Lee
    • Hong-Jae ShinJeom-Jae KimMike (J. S.) Lee
    • G09G3/36
    • G09G3/3677G09G2320/0223G09G2330/08
    • 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.
    • 一种用于液晶显示装置的栅极驱动单元,包括多个液晶像素,第一至第N栅极线,多个液晶电容器和多个薄膜晶体管,包括第一和第二时钟信号线,用于提供第一和第二 时钟信号; 分别对应于第一至第N栅极线的第一至第N移位寄存器,第一至第N移位寄存器分别接收第一时钟信号和第二时钟信号之一并分别输出第一至第N扫描信号; 作为第(N + 1)移位寄存器的冗余修复移位寄存器,接收第一和第二时钟信号之一并输出修复扫描信号; 多个第一开关,用于分别将第一和第二时钟信号线中的一个连接到第一至第N移位寄存器和冗余修复移位寄存器; 多个第二开关,用于分别切换第一至第N移位寄存器与第一至第N栅极线的连接; 以及多个第三开关,用于分别用第一至第N栅极线切换第二至第N移位寄存器和冗余修复移位寄存器的连接,其中N为正整数。