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    • 55. 发明申请
    • METHOD OF DRIVING TRANSISTOR AND SHIFT REGISTER PERFORMING THE SAME
    • 驱动晶体管和移位寄存器的方法
    • US20070177438A1
    • 2007-08-02
    • US11697764
    • 2007-04-09
    • Seung-Hwan MOONNam-Soo KANGKyung-Eun LEEBack-Won LEEJi-Hoon KIM
    • Seung-Hwan MOONNam-Soo KANGKyung-Eun LEEBack-Won LEEJi-Hoon KIM
    • G11C7/00
    • G09G3/20G09G2310/0267G09G2310/0286G11C19/28
    • A shift register has multiple stages each of which includes a pull-up part to generate a current gate line driving signal having a first state in response to a first control signal and a clock signal, a pull-down part to generate the current gate line driving signal having a second state in response to a second control signal, a pull-up driver to generate the first control signal to control the pull-up part in response to a previous gate line driving signal provided from a previous stage, a following gate line driving signal provided from a following stage, and an input voltage signal externally provided, and a pull-down driver to generate the second control signal to control the pull-down part in response to a third control signal provided from the pull-up driver and the input voltage signal, in which the second control signal swings between first and second voltage levels in association with the input voltage signal that swings between predetermined voltage levels.
    • 移位寄存器具有多个级,其中每一级包括上拉部分,用于响应于第一控制信号和时钟信号产生具有第一状态的电流栅极线驱动信号,产生电流栅极线的下拉部分 响应于第二控制信号具有第二状态的驱动信号;上拉驱动器,用于响应于从先前级提供的先前的栅极线驱动信号产生第一控制信号以控制上拉部分;跟随门 从后级提供的线路驱动信号和外部提供的输入电压信号,以及下拉驱动器,以产生第二控制信号,以响应于从上拉驱动器提供的第三控制信号来控制下拉部分 以及输入电压信号,其中第二控制信号与在预定电压电平之间摆动的输入电压信号相关联的第一和第二电压电平之间摆动。
    • 57. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20070030225A1
    • 2007-02-08
    • US11461866
    • 2006-08-02
    • Seung-Hwan MOONNam-Soo KANGSu-Hyun KWON
    • Seung-Hwan MOONNam-Soo KANGSu-Hyun KWON
    • G09G3/36
    • G09G3/3688G09G2300/0426G09G2310/0218G09G2310/0248G09G2310/027G09G2330/023G09G2370/08
    • A display device with reduced power consumption has pixels coupled with data lines and arranged in a matrix, a signal controller processing input image signals and outputting output image signals, and a data driver applying data voltages, corresponding to output image signals, to the data lines. When all the input image signals have either a first or second value, the output image signals have the first value. The signal controller generates a polarity signal for determining data voltage polarity, and when all the input image signals have either a first or second value, data voltages corresponding to the input image signals have a polarity equivalent to a polarity of previously applied data voltages. The signal controller generates a control signal for controlling the data driver's clock synchronization circuit, and the control signal halts the clock synchronization circuit when an operating frequency is lower than a predetermined value.
    • 具有降低的功耗的显示装置具有与数据线耦合并且以矩阵形式布置的像素,信号控制器处理输入图像信号并输出​​输出图像信号,以及数据驱动器,将对应于输出图像信号的数据电压施加到数据线 。 当所有输入图像信号具有第一或第二值时,输出图像信号具有第一值。 信号控制器产生用于确定数据电压极性的极性信号,并且当所有输入图像信号都具有第一或第二值时,对应于输入图像信号的数据电压具有与先前施加的数据电压的极性相等的极性。 信号控制器产生用于控制数据驱动器的时钟同步电路的控制信号,并且当工作频率低于预定值时,控制信号停止时钟同步电路。