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    • 1. 发明申请
    • SHIFT REGISTER UNIT AND DRIVING METHOD THEREFOR, SHIFT REGISTER, DISPLAY DEVICE
    • 移位寄存器单元及其驱动方法,移位寄存器,显示设备
    • US20160049128A1
    • 2016-02-18
    • US14424247
    • 2014-05-23
    • BOE TECHNOLOGY GROUP CO., LTD.HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    • Xianjie SHAOHongmin LIXiaohe LIYong LIUQinghua JIANGXiaojie ZHANGFeng QIN
    • G09G3/36G11C19/28
    • G09G3/3677G09G2300/0408G09G2300/0871G09G2310/0291G09G2310/08G09G2320/0219G09G2320/043G11C19/28
    • There is provided a shift register unit and driving method for the shift register unit, a shift register and a display device. The shift register unit comprises a first capacitor (C1), an input buffering module (31), a pulling-up module (32), a reset control module (33), a pulling-down module (34) and a pulling-down enhancement module (35); the input buffering module (31) is configured to pre-charge the first capacitor (C1) during a signal input buffering phase; the pulling-up module (32) is configured to control the signal output terminal (OUTPUT) to output a driving signal during a signal output phase; the reset control module (33) is configured to control the pulling-down module (34) to be in an OFF state during a reset phase; the pulling-down module (34) is configured to reduce the level at the signal output terminal (OUTPUT) and discharge the first capacitor (C1) during a first noise-removal phase; the pulling-down enhancement module (35) is configured to control, in cooperation with the pulling-down module (34), to continuously reduce the level at the signal output terminal (OUTPUT) and continuously discharge the first capacitor (C1) during a second noise-removal phase. Noise in the output signals of the shift register can be reduced and reliability of the shift register can be improved.
    • 提供了用于移位寄存器单元,移位寄存器和显示装置的移位寄存器单元和驱动方法。 移位寄存器单元包括第一电容器(C1),输入缓冲模块(31),提升模块(32),复位控制模块(33),下拉模块(34)和下拉 增强模块(35); 所述输入缓冲模块(31)被配置为在信号输入缓冲阶段期间对所述第一电容器(C1)进行预充电; 上拉模块(32)被配置为在信号输出阶段期间控制信号输出端(OUTPUT)输出驱动信号; 复位控制模块(33)被配置为在复位阶段期间控制下拉模块(34)处于关闭状态; 下拉模块(34)被配置为在第一噪声去除阶段期间降低信号输出端子(OUTPUT)处的电平并对第一电容器(C1)进行放电; 所述下拉增强模块(35)被配置为与所述下拉模块(34)配合地控制在所述信号输出端子(OUTPUT)期间连续地降低所述电平并且在第一电容器(C1)期间连续地放电所述第一电容器 第二次除噪阶段。 可以降低移位寄存器的输出信号中的噪声,并且可以提高移位寄存器的可靠性。