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    • 1. 发明公开
    • Method of driving transistor and shift register performing the same
    • Schaltkreis zur晶体管和Schieberegisteransteuerung
    • EP1445862A2
    • 2004-08-11
    • EP04002418.4
    • 2004-02-04
    • SAMSUNG ELECTRONICS CO., LTD.
    • Moon, Seung-HwanKang, Nam-SooLee, Back-WonKim, Ji-HoonLee, Kyung-Eun 1706 Mabong Samsung Apt. #966
    • H03K17/693
    • 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以产生具有响应于第一控制信号和时钟信号的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,用于响应于从前一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。