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    • 4. 发明申请
    • GATE DRIVE CIRCUIT AND METHOD OF DRIVING THE SAME
    • 门驱动电路及其驱动方法
    • US20100277206A1
    • 2010-11-04
    • US12764433
    • 2010-04-21
    • Jae-Hoon LEESeung-Hwan MOON
    • Jae-Hoon LEESeung-Hwan MOON
    • H03K3/00
    • G09G3/3677G09G2310/0286G11C19/184G11C19/28
    • In a gate drive circuit including stages which are cascaded and which output gate signals each of the stages includes a first node, an output part, a first holding part and a second holding part. A voltage of the first node is converted to a high voltage in response to one of a vertical start signal and a carry signal of one of previous stages. The output part outputs a first clock signal as a gate signal through an output terminal in response to the high voltage of the first node. The first holding part applies a first low voltage to the output terminal, in response to a gate signal output from at least one of following stages. The second holding part applies a second low voltage, which is less than the first low voltage, to the first node in response to a gate signal output from at least one stage among following stages.
    • 在包括级联的级的栅极驱动电路和每个级的输出门信号包括第一节点,输出部分,第一保持部分和第二保持部分。 响应于先前级之一的垂直起始信号和进位信号之一,第一节点的电压被转换成高电压。 输出部分响应于第一节点的高电压,通过输出端子输出第一时钟信号作为门信号。 响应于从至少一个后续级输出的门信号,第一保持部分向输出端施加第一低电压。 第二保持部分响应于从后续阶段中的至少一个级输出的门信号,向第一节点施加小于第一低电压的第二低电压。
    • 5. 发明申请
    • TOUCH SENSOR AND LIQUID CRYSTAL DISPLAY HAVING THE SAME
    • 触摸传感器和液晶显示器
    • US20100013788A1
    • 2010-01-21
    • US12327378
    • 2008-12-03
    • Hyun-Sang PARKMin-Koo HANJae-Hoon LEEBong-Hyun YOUByoung-Jun LEE
    • Hyun-Sang PARKMin-Koo HANJae-Hoon LEEBong-Hyun YOUByoung-Jun LEE
    • G06F3/045
    • G06F3/0412G06F3/044
    • A touch sensor configured to be disposed in a liquid crystal display panel includes a plurality of x-axis read-out lines crossing and insulated from a plurality of y-axis read-out lines and a plurality of sensor units. Each sensor unit includes a reset unit, a capacitance detector, a first output unit, and a second output unit. The reset unit outputs a first reset signal based on a first control signal. The capacitance detector changes the first reset signal based on a variation of a cell gap of the liquid crystal display panel caused by a touch event. The first output unit changes an electric potential of a corresponding x-axis read-out line in response to the first reset signal changed in the capacitance detector. The second output unit changes an electric potential of a corresponding y-axis read-out line in response to the first reset signal changed in the capacitance detector.
    • 配置为设置在液晶显示面板中的触摸传感器包括与多个y轴读出线和多个传感器单元交叉并绝缘的多个x轴读出线。 每个传感器单元包括复位单元,电容检测器,第一输出单元和第二输出单元。 复位单元基于第一控制信号输出第一复位信号。 电容检测器基于由触摸事件引起的液晶显示面板的单元间隙的变化而改变第一复位信号。 响应于在电容检测器中改变的第一复位信号,第一输出单元改变对应的x轴读出线的电位。 响应于在电容检测器中改变的第一复位信号,第二输出单元改变对应的y轴读出线的电位。
    • 6. 发明申请
    • METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME
    • 驱动显示面板的方法和执行其的显示装置
    • US20120162184A1
    • 2012-06-28
    • US13209521
    • 2011-08-15
    • Young-Su KIMJae-Hoon LEEChang-Ho LEEYu-Han BAE
    • Young-Su KIMJae-Hoon LEEChang-Ho LEEYu-Han BAE
    • G09G5/00
    • G09G3/3655G09G2320/0214
    • A method of driving a display panel includes applying a common voltage to the display panel, sensing a frequency of the display panel to generate a frequency signal, adjusting a gain of an operational amplifier based on the frequency signal, receiving a feedback common voltage from the display panel, and compensating the common voltage using an input resistor, the operational amplifier and a feedback resistor based on the feedback common voltage to apply the compensated common voltage to the display panel. The operational amplifier includes an inverting input terminal connected to the input resistor, a non-inverting input terminal to which a reference common voltage is applied and an output terminal. The feedback resistor is between the inverting input terminal and the output terminal.
    • 驱动显示面板的方法包括向显示面板施加公共电压,感测显示面板的频率以产生频率信号,基于频率信号调整运算放大器的增益,从所述频率信号接收反馈公共电压 显示面板,并使用输入电阻器,运算放大器和基于反馈公共电压的反馈电阻器补偿公共电压,以将补偿的公共电压施加到显示面板。 运算放大器包括连接到输入电阻器的反相输入端子,施加参考公共电压的非反相输入端子和输出端子。 反馈电阻位于反相输入端和输出端之间。