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    PIXEL CIRCUIT, PIXEL DRIVING METHOD AND DISPLAY DEVICE
    21.
    发明申请
    PIXEL CIRCUIT, PIXEL DRIVING METHOD AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190005878A1

    公开(公告)日：2019-01-03

    申请号：US15736018

    申请日：2017-06-20

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Han YUE ,  Jie FU ,  Shengji YANG ,  Lei WANG ,  Pengcheng LU ,  Dongni LIU ,  Li XIAO ,  Xiaochuan CHEN

    IPC: G09G3/3233

    CPC classification number: G09G3/3233 ,  G09G3/3225 ,  G09G2330/04 ,  G09G2330/10

    Abstract: A pixel circuit includes a light emitting device, a driving circuit configured to drive the light emitting device to emit light, a short circuit control circuit and a light emitting control circuit, wherein the short circuit control circuit is coupled between the light emitting control device and the light emitting device for obtaining an input terminal signal of the light emitting device and outputting a short circuit control signal according to the input terminal signal of the light emitting device, the light emitting control device is coupled to the short circuit control circuit and coupled in series between the driving circuit and the light emitting device and configured to control a connecting branch between the driving circuit and the light emitting device to be turned on and off according to a short circuit control signal.

    PIXEL CIRCUIT, ARRAY SUBSTRATE, DISPLAY DEVICE AND CONTROLLING METHOD THEREOF
    22.
    发明申请
    PIXEL CIRCUIT, ARRAY SUBSTRATE, DISPLAY DEVICE AND CONTROLLING METHOD THEREOF 审中-公开

    公开(公告)号：US20190005868A1

    公开(公告)日：2019-01-03

    申请号：US15752938

    申请日：2017-08-03

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Li XIAO ,  Dongni LIU ,  Xiaochuan CHEN ,  Shengji YANG ,  Lei WANG ,  Pengcheng LU ,  Jie FU ,  Han YUE

    IPC: G09G3/20 ,  G09G3/36 ,  G09G3/3225

    Abstract: Embodiments of the present disclosure provide a pixel circuit, an array substrate, a display device and a controlling method thereof. The pixel circuit includes: a pixel display unit consisted of n sub-pixel display units, n≥3; and a data signal control unit coupled to the pixel display unit, n data lines for driving the pixel display unit and a control line. The data signal control unit is configured to, under a condition that a first control signal is input through the control line, couple the n sub-pixel display units to the n data lines for driving the n sub-pixel display units respectively; and when a second control signal is input through the control line couple one of the n data lines for driving the pixel display unit to at least one of the n sub-pixel display units in the pixel display unit.

    PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR, DISPLAY PANEL, AND DISPLAY APPARATUS
    27.
    发明申请
    PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR, DISPLAY PANEL, AND DISPLAY APPARATUS 有权

    公开(公告)号：US20220215795A1

    公开(公告)日：2022-07-07

    申请号：US17609238

    申请日：2020-10-27

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Han YUE ,  Can ZHANG ,  Minghua XUAN

    IPC: G09G3/32 ,  G09G3/20

    Abstract: A pixel driving circuit includes: a driving control sub-circuit configured to write at least a first data signal into a first driving sub-circuit in response to a first scanning signal and cause a driving transistor to output a driving signal to an element to be driven according to the first data signal and a first power supply voltage signal in response to an enable signal, and a time control sub-circuit configured to write at least a second data signal into a second driving sub-circuit in response to a second scanning signal and cause the second driving sub-circuit to be connected to a second power supply voltage signal terminal and the element in response to the enable signal. The second driving sub-circuit is configured to output a second power supply voltage signal to the element in response to the second data signal and a common voltage signal.

    PIXEL CIRCUIT, DRIVING METHOD THEREOF AND DISPLAY DEVICE
    28.
    发明申请
    PIXEL CIRCUIT, DRIVING METHOD THEREOF AND DISPLAY DEVICE 有权

    公开(公告)号：US20220114949A1

    公开(公告)日：2022-04-14

    申请号：US17265325

    申请日：2020-03-17

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Minghua XUAN ,  Qi QI ,  Jing LIU ,  Han YUE ,  Dongni LIU

    IPC: G09G3/32

    Abstract: The present disclosure provides a pixel circuit including: a current control circuit and a time control circuit, the time control circuit includes: a first resetting sub-circuit configured to write a reference voltage and a first initialization voltage to a first node and a second node, respectively; a first data writing sub-circuit configured to write a first data voltage to the first node; a first threshold compensation sub-circuit configured to perform threshold compensation on a transistor within a switch sub-circuit; a ramp writing sub-circuit configured to write a preset ramp signal to the first node; and the switch sub-circuit configured to control electrical coupling and decoupling between a third node and a fourth node. The present disclosure further provides a driving method of the pixel circuit and a display device.

    PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR, AND DISPLAY PANEL
    29.
    发明申请
    PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR, AND DISPLAY PANEL 有权

    公开(公告)号：US20220059021A1

    公开(公告)日：2022-02-24

    申请号：US17426594

    申请日：2020-12-17

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Minghua XUAN ,  Dongni LIU ,  Qi QI ,  Jing LIU ,  Han YUE

    IPC: G09G3/32

    Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.

    PIXEL DRIVING CIRCUIT AND DRIVING METHOD FOR THE SAME, DISPLAY PANEL AND DISPLAY DEVICE
    30.
    发明申请
    PIXEL DRIVING CIRCUIT AND DRIVING METHOD FOR THE SAME, DISPLAY PANEL AND DISPLAY DEVICE 有权

    公开(公告)号：US20220005414A1

    公开(公告)日：2022-01-06

    申请号：US17294231

    申请日：2020-09-30

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Dongni LIU ,  Minghua XUAN ,  Xiaochuan CHEN ,  Xue DONG ,  Haoliang ZHENG ,  Han YUE ,  Ning CONG

    IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

    Abstract: A pixel driving circuit includes a data writing sub-circuit, a driving sub-circuit, and a control sub-circuit. The data writing sub-circuit is configured to: in response to a first scanning signal and a third scanning signal, write a first data signal into the driving sub-circuit; and in response to a second scanning signal and the third scanning signal, write a second data signal into the driving sub-circuit. The control sub-circuit is configured to, in response to an enable signal, connect a driving transistor to a first power supply voltage signal terminal and an element to be driven. The driving sub-circuit is configured to: according to the first data signal and a first power supply voltage signal, output a driving signal; and according to the second data signal and the first power supply voltage signal, control an operating state of the element to be driven.

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