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    Display driving circuit, method for driving the same, and display device
    1.
    发明授权
    Display driving circuit, method for driving the same, and display device 有权

    公开(公告)号：US11069300B2

    公开(公告)日：2021-07-20

    申请号：US16817575

    申请日：2020-03-12

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiao Bai ,  Shengji Yang ,  Weihai Wang

    IPC: G09G3/32 ,  G09G3/3266

    Abstract: The embodiments of the present disclosure provide a display driving circuit, a method for driving the same, and a display device. The display driving circuit includes: a plurality of pixel driving sub-circuits, wherein each of the plurality of pixel driving sub-circuits is configured to drive a light-emitting device electrically coupled thereto. The plurality of pixel driving sub-circuits are divided into at least one group of pixel driving sub-circuits, each group of pixel driving sub-circuits is electrically coupled to receive the same scanning signal, and comprises at least two rows of pixel driving sub-circuits; and all the pixel driving sub-circuits in each group of pixel driving sub-circuits are electrically coupled to receive respective data signals, so that when any group of pixel driving sub-circuits is active under control of the scanning signal, respective data signals are written into the group of pixel driving sub-circuits simultaneously.

    Pixel circuit having a voltage amplification circuit and driving method thereof, display panel
    5.
    发明授权
    Pixel circuit having a voltage amplification circuit and driving method thereof, display panel 有权

    公开(公告)号：US11315490B2

    公开(公告)日：2022-04-26

    申请号：US16470443

    申请日：2018-12-29

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Guohong Qin ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu ,  Weihai Wang ,  Rongrong Shi

    IPC: G09G3/3258 ,  G09G3/3291

    Abstract: A pixel circuit, a driving method thereof and a display panel are disclosed. The pixel circuit includes a data writing circuit, a light-emitting drive circuit, and a voltage amplification circuit; the data writing circuit is electrically connected with a first node and is configured to write a data signal to the first node under control of a scan signal; two ends of the voltage amplification circuit are electrically connected with the first node and a second node respectively, and the voltage amplification circuit are configured to obtain an amplified voltage signal based on the data signal and write the amplified voltage signal to the second node; and the light-emitting drive circuit is electrically connected with the second node and is configured to drive a light-emitting component to emit light under control of the amplified voltage signal.

    Pixel circuit, driving method thereof, display substrate and display device
    6.
    发明授权
    Pixel circuit, driving method thereof, display substrate and display device 有权

    公开(公告)号：US11289026B2

    公开(公告)日：2022-03-29

    申请号：US17267547

    申请日：2020-06-08

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Ming Yang ,  Can Zhang ,  Shengji Yang ,  Weihai Wang ,  Minghua Xuan ,  Xiaochuan Chen

    IPC: G09G3/32 ,  G09G3/3258

    Abstract: The present disclosure provides a pixel circuit, including: a pixel driving circuit coupled to a gate line and a data line and configured to generate a driving current based on a data signal provided by the data line in response to a gate driving signal provided by the gate line and output the driving current through a current output terminal; and a shunt circuit coupled to the gate line and a first control signal line, and configured to control connection/disconnection between a first signal input terminal and a first signal output terminal in response to the gate driving signal and a first control signal provided by the first control signal line. The current output terminal is coupled to a first terminal of a light emitting device and the first signal input terminal, and the first signal output terminal is coupled to a to-be-charged pixel circuit.

    DISPLAY DRIVING CIRCUIT, METHOD FOR DRIVING THE SAME, AND DISPLAY DEVICE
    7.
    发明申请
    DISPLAY DRIVING CIRCUIT, METHOD FOR DRIVING THE SAME, AND DISPLAY DEVICE 有权

    公开(公告)号：US20210134225A1

    公开(公告)日：2021-05-06

    申请号：US16817575

    申请日：2020-03-12

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiao Bai ,  Shengji Yang ,  Weihai Wang

    IPC: G09G3/3266

    Abstract: The embodiments of the present disclosure provide a display driving circuit, a method for driving the same, and a display device. The display driving circuit includes: a plurality of pixel driving sub-circuits, wherein each of the plurality of pixel driving sub-circuits is configured to drive a light-emitting device electrically coupled thereto. The plurality of pixel driving sub-circuits are divided into at least one group of pixel driving sub-circuits, each group of pixel driving sub-circuits is electrically coupled to receive the same scanning signal, and comprises at least two rows of pixel driving sub-circuits; and all the pixel driving sub-circuits in each group of pixel driving sub-circuits are electrically coupled to receive respective data signals, so that when any group of pixel driving sub-circuits is active under control of the scanning signal, respective data signals are written into the group of pixel driving sub-circuits simultaneously.

    Pixel circuit, pixel driving method and organic light-emitting diode display device
    10.
    发明授权
    Pixel circuit, pixel driving method and organic light-emitting diode display device 有权

    公开(公告)号：US10726788B2

    公开(公告)日：2020-07-28

    申请号：US16406870

    申请日：2019-05-08

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Guohong Qin ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu ,  Rongrong Shi ,  Weihai Wang

    IPC: G09G3/3258 ,  G09G3/3275

    Abstract: A pixel circuit includes a data write-in circuit, a voltage amplification circuit, an energy storage circuit, a driving circuit and a light-emitting element. The driving circuit includes a control end, a first end and a second end. The voltage amplification circuit is connected to a data write-in node and the control end of the driving circuit, and configured to amplify a data voltage to acquire a driving voltage, and output the driving voltage to the control end of the driving circuit. The energy storage circuit is connected to the control end of the driving circuit. The first end of the driving circuit is connected to a power source voltage end, and the second end of the driving circuit is connected to an anode of the light-emitting element. The driving circuit is configured to control the power source voltage end to be electrically connected to, or electrically disconnected from, the anode of the light-emitting element under the control of the control end. A cathode of the light-emitting element is connected to a cathode voltage end.

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