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    • 9. 发明授权
    • Shift register stage
    • 移位寄存器阶段
    • US4627081A
    • 1986-12-02
    • US682410
    • 1984-12-17
    • Michael J. Gay
    • Michael J. Gay
    • G11C19/28G11C19/18G11C27/00
    • G11C19/182
    • A shift register stage responsive to a clock signal having first and second phases, the stage having an input and an output node (206 and 228) and comprising: capacitive storage means (208); switch means (202, 210) connected between the capacitive storage means and the input node of the stage and having a control electrode; and amplifier means (230) connected between the capacitive storage means and the output node of the stage, the switch means being conductive and non-conductive respectively during the first and second phases of the clock signal so that the capacitive storage means is charged during the first phase of the clock signal to a voltage representative of the voltage at the input node of the stage, and the amplifier means being operative during at least the second phase of the clock signal so that the amplifier means produces at the output node of the stage a voltage representative of the voltage on the capacitive storage means, wherein the voltage applied to the control electrode of the switch means is offset during the first phase of the clock signal by a first offset value from the voltage on the capacitive storage means and is offset during the second phase of the clock signal by a second offset value from the voltage on the capacitive storage means such that any charge removed from the capacitive storage means due to capacitive coupling effects between the capacitive storage means and the control electrode is independent of the voltage on the capacitive storage means.
    • 响应于具有第一和第二相位的时钟信号的移位寄存器级,所述级具有输入和输出节点(206和228),并且包括:电容存储装置(208); 开关装置(202,210),连接在电容存储装置和载物台的输入节点之间,并具有控制电极; 以及连接在电容存储装置和级的输出节点之间的放大器装置(230),开关装置分别在时钟信号的第一和第二相期间导通和不导通,使得电容性存储装置在 时钟信号的第一相位信号为表示级的输入节点处的电压的电压,并且放大器装置在时钟信号的至少第二相位期间工作,使得放大器装置在级的输出节点处产生 表示电容存储装置上的电压的电压,其中施加到开关装置的控制电极的电压在时钟信号的第一阶段期间偏移来自电容性存储装置上的电压的第一偏移值,并且偏移 在时钟信号的第二阶段期间通过电容性存储装置上的电压的第二偏移值,使得从电容器 由于电容性存储装置和控制电极之间的电容耦合效应,平衡存储装置与电容性存储装置上的电压无关。