Shift register unit, driving circuit, display device and driving method

    公开(公告)号:US12073765B2

    公开(公告)日:2024-08-27

    申请号:US18336565

    申请日:2023-06-16

    发明人: Can Zheng

    IPC分类号: G09G3/20

    CPC分类号: G09G3/2092 G09G2310/0286

    摘要: A shift register unit, a driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first input circuit, a second input circuit, an output circuit, a first control circuit, and a second control circuit, wherein the first input circuit is electrically connected to a first node; the second input circuit is electrically connected to the first node and a second node; the first control circuit is electrically connected to the second node and a third node; the output circuit is electrically connected to the third node, a second voltage signal line and an output terminal; and the second control circuit is electrically connected to the first node, the third node and a first voltage signal line.

    Shift register, driving method thereof, gate driving circuit and display device

    公开(公告)号:US11468922B2

    公开(公告)日:2022-10-11

    申请号:US17179699

    申请日:2021-02-19

    发明人: Can Zheng

    摘要: Shift register includes input sub-circuit coupling input terminal to first node responsive to signal of first clock terminal in input stage, control sub-circuit transmitting signal of second clock terminal to intermediate output terminal according to level at first node and controlling potential of third node according to potential of intermediate output terminal and signal of third clock terminal in input, output and reset stages, pull-up sub-circuit coupling second level terminal to final output terminal responsive to potential of intermediate output terminal in output stage, first voltage stabilization sub-circuit stabilizing voltage between final output terminal and third node responsive to signal of next-stage node connection terminal, pull-down transistor having gate electrode coupled to third node, first electrode coupled to first level terminal, and second electrode coupled to final output terminal. First voltage stabilization sub-circuit lowers potential of third node to level lower than signal of first level terminal in reset stage.

    Shift register and driving method therefor, gate driving circuit and display apparatus

    公开(公告)号:US10937380B2

    公开(公告)日:2021-03-02

    申请号:US15865550

    申请日:2018-01-09

    发明人: Can Zheng

    摘要: Provided is a shift register, comprising an input circuit, an output circuit, and a control circuit, which are electrically connected to a control node. The input circuit is electrically connected with a signal input terminal of the shift register, and is configured to input an input signal provided by the signal input terminal to the control node. The control circuit is electrically connected with a working power supply terminal, and is configured to input an operation voltage provided by the working power supply terminal to the control node. The output circuit is electrically connected with a signal output terminal of the shift register and a clock signal line, and is configured to input one of a voltage of the control node and the first clock signal provided by the clock signal line to the signal output terminal.

    Pixel circuit for threshold compensation, driving method thereof and display device for providing signals

    公开(公告)号:US11727868B2

    公开(公告)日:2023-08-15

    申请号:US16768306

    申请日:2019-06-03

    发明人: Can Zheng

    摘要: Disclosed are a pixel circuit, a driving method of the pixel circuit and a display device, the pixel circuit including a reset unit, a voltage writing unit and a light-emitting control unit, the reset unit is connected to a reset control signal terminal, and resets the pixel circuit under the control of the reset control signal; the voltage writing unit stores a data signal and a threshold voltage of a driving transistor under the control of the scan control signal; the light-emitting control unit is connected to a light-emitting control signal terminal and includes the driving transistor, and use the data signal and the threshold voltage to generate a current under control of the light-emitting control signal; the light-emitting control unit includes a first type transistor, the reset unit and the voltage writing unit include a second type transistor different from the first type transistor.