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    • 10. 发明授权
    • Gate drive device for display device and display device having the same
    • 用于显示装置的栅极驱动装置和具有该栅极驱动装置的显示装置
    • US07633481B2
    • 2009-12-15
    • US11341676
    • 2006-01-27
    • Woo-Chul KimJun-Pyo LeeSeung-Hwan MoonSun-Kyu Son
    • Woo-Chul KimJun-Pyo LeeSeung-Hwan MoonSun-Kyu Son
    • G09G3/36
    • G09G3/3677G09G3/3659G09G2300/0439G09G2310/0251
    • A gate drive portion for a display device including multiple pixels having first and second sub-pixels includes a first shift register generating a first output signal in response to a first gate clock signal, a second shift register generating a second output signal in response to a second gate clock signal, a level shifter coupled to the first and second shift registers and amplifying the first and second output signals, and an output buffer coupled to the level shifter and generating first and second gate signals. The first gate signal is generated in synchronization with the first gate clock signal and the second gate signal is generated in synchronization with the second gate clock signal. Accordingly, the charging time of the first and second sub-pixels may be improved by separately driving the odd-numbered and even-numbered sub-pixels and the visibility of the LCD device may also be improved.
    • 用于包括具有第一和第二子像素的多个像素的显示装置的栅极驱动部分包括响应于第一栅极时钟信号产生第一输出信号的第一移位寄存器,响应于第二栅极时钟信号产生第二输出信号的第二移位寄存器 第二门时钟信号,耦合到第一和第二移位寄存器并放大第一和第二输出信号的电平移位器,以及耦合到电平移位器并产生第一和第二门信号的输出缓冲器。 与第一栅极时钟信号同步地生成第一栅极信号,并且与第二栅极时钟信号同步地产生第二栅极信号。 因此,可以通过分开驱动奇数和偶数子像素来提高第一和第二子像素的充电时间,并且还可以提高LCD装置的可视性。