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发明授权
CN108346395B 移位寄存器及其驱动方法、栅极驱动电路和显示装置 有权

移位寄存器及其驱动方法、栅极驱动电路和显示装置
摘要：
公开了一种移位寄存器及其驱动方法、栅极驱动电路和显示装置。移位寄存器包括：上拉节点控制电路，根据第一输入信号和第二输入信号，使上拉节点的电位成为高电位；第一电容器，连接在移位寄存器的信号输出端和上拉节点之间；下拉节点控制电路，根据第一时钟信号和第二时钟信号以及上拉节点的电位，控制下拉节点的电位；输出电路，根据上拉节点的电位以及第三时钟信号，控制在信号输出端处的栅极驱动信号的输出；以及下拉电路，根据下拉节点的电位，使上拉节点和信号输出端的电位成为低电位。
摘要（英）：

A shift register and a method for driving the same, a gate driving circuit, and a display device, the shift register includes: a pull-up node control circuit (101) allowing a potential of a pull-up node (PU) to become high according to a first input signal (INPUT 1) and a second input signal (INPUT2); a first capacitor (C1) coupled between a signal output terminal (OUTPUT) and the pull-up node (PU) of the shift register; a pull-down node control circuit (102) controlling a potential of the pull-down node (PD) according to the second clock signal (CK2) and the third clock signal (CK3) and the potential of the pull-up node (PU); an output circuit (103) controlling an output of a gate driving signal at the signal output terminal (OUTPUT) according to the potential of the pull-up node (PU) and a first clock signal (CK1); and a pull-down circuit (104) allowing the potential of the pull-up node (PU) and a potential of the signal output terminal (OUTPUT) to become low according to the potential of the pull-down node (PD).

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