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    • 4. 发明申请
    • GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME
    • 闸门驱动电路和显示装置
    • US20080001904A1
    • 2008-01-03
    • US11761149
    • 2007-06-11
    • Sung-Man KIMMyung-Koo HURJong-Hwan LEEHong-Woo LEE
    • Sung-Man KIMMyung-Koo HURJong-Hwan LEEHong-Woo LEE
    • G09G3/36
    • G09G3/3677G09G2300/0408G11C19/28
    • A gate driving circuit includes stages connected in series. In a stage, a pull-up part pulls up a present gate signal to a level of a first clock signal, and a pull-down part receives a next gate signal from a next stage to discharge the present gate signal to an off-voltage. A pull-up driving part turns on or turns off the pull-up part and the carry part. A holding part holds the present gate signal at the off-voltage and a present inverter turns on or turns off the holding part in response to the first clock signal. A ripple preventing capacitor is connected between a present node and an output terminal of a previous stage's inverter to prevent a ripple at the present Q-node in response to an output signal from the previous inverter.
    • 栅极驱动电路包括串联连接的级。 在一个阶段中,上拉部分将当前栅极信号提升到第一时钟信号的电平,并且下拉部分从下一级接收下一个栅极信号,以将当前栅极信号放电到截止电压 。 上拉驱动部分打开或关闭上拉部分和进位部分。 保持部分将当前门信号保持在截止电压,并且本逆变器响应于第一时钟信号而导通或关断保持部分。 防波电容器连接在前级逆变器的当前节点和输出端之间,以防止来自前一个逆变器的输出信号在当前Q节点处产生纹波。
    • 10. 发明申请
    • SCAN DRIVER, DISPLAY DEVICE HAVING THE SAME AND METHOD OF DRIVING A DISPLAY DEVICE
    • 扫描驱动器,具有该驱动器的显示装置和驱动显示装置的方法
    • US20130033417A1
    • 2013-02-07
    • 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。