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热词
    • 4. 发明授权
    • Scan driver, display device having the same and method of driving a display device
    • 扫描驱动器,具有相同的显示装置和驱动显示装置的方法
    • US08872752B2
    • 2014-10-28
    • US13648505
    • 2012-10-10
    • Sung-Man KimBong-Jun LeeShin-Tack KangHyeong-Jun ParkYong-Woo Lee
    • Sung-Man KimBong-Jun LeeShin-Tack KangHyeong-Jun ParkYong-Woo Lee
    • G09G3/36
    • G09G3/3677G09G3/3614G09G2310/0248G11C19/184
    • A scan driver drives a display device having a plurality of gate lines transferring scan signals, and a plurality of source lines transferring data signals. The scan driver includes a shift register and a multiple signal applying unit. The shift register includes a plurality of cascade-connected stages, each stage having an output terminal electrically connected to a respective one of the plurality of gate lines. The multiple signal applying unit applies a sub scan signal and a main scan signal. The sub scan signal and the main scan signal sequentially activate each of the plurality of gate lines. Therefore, the scan lines receive the scan signal twice, so that the liquid crystal capacitors electrically connected to the gate lines receive the data voltage twice. As a result, even though the time for charging the liquid crystal capacitors may be reduced, the liquid crystal capacitors may be fully charged to enhance display quality.
    • 扫描驱动器驱动具有传送扫描信号的多条栅极线的显示装置和传送数据信号的多条源极线。 扫描驱动器包括移位寄存器和多信号施加单元。 移位寄存器包括多个级联连接的级,每级具有电连接到多条栅极线中的相应一条栅线的输出端。 多信号施加单元施加副扫描信号和主扫描信号。 子扫描信号和主扫描信号顺序地激活多条栅极线中的每一条。 因此,扫描线接收扫描信号两次,使得电连接到栅极线的液晶电容器接收数据电压两次。 结果,即使可以减少液晶电容器的充电时间,液晶电容器也可能被充满电以提高显示质量。