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    Pixel Circuit, Driving Method thereof, and Display Device
    51.
    发明申请
    Pixel Circuit, Driving Method thereof, and Display Device 有权

    公开(公告)号：US20210193022A1

    公开(公告)日：2021-06-24

    申请号：US16894902

    申请日：2020-06-08

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Minghua XUAN ,  Xiaochuan CHEN ,  Han YUE ,  Ning CONG ,  Dongni LIU ,  Qi QI ,  Jing LIU

    IPC: G09G3/32

    Abstract: Provided are a pixel circuit, a driving method thereof and a display device. The pixel circuit includes a first charging sub-circuit, a second charging sub-circuit, a first storage sub-circuit, a first switching sub-circuit, a second switching sub-circuit and a light emitting sub-circuit. The first charging sub-circuit is configured to provide a signal of a first data signal terminal to a first node under control of a scanning signal terminal, and after providing the signal of the first data signal terminal, provide a signal of a second data signal terminal to the first node under control of a light emitting control terminal.

    PIXEL DRIVING CIRCUIT, PIXEL DRIVING METHOD, DISPLAY PANEL AND DISPLAY DEVICE
    52.
    发明申请
    PIXEL DRIVING CIRCUIT, PIXEL DRIVING METHOD, DISPLAY PANEL AND DISPLAY DEVICE 有权

    公开(公告)号：US20210097931A1

    公开(公告)日：2021-04-01

    申请号：US16839590

    申请日：2020-04-03

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Han YUE ,  Minghua XUAN ,  Can ZHANG ,  Can WANG ,  Ning CONG ,  Xiaochuan CHEN

    IPC: G09G3/325 ,  G09G3/3291 ,  G09G3/36

    Abstract: A pixel driving circuit includes a current control circuit and a time control circuit, the current control circuit controls to generate a driving current, and outputs the driving current through a driving current output terminal, the time control circuit includes a first data writing-in circuit and a driving time control circuit. The first data writing-in circuit writes a first data voltage provided by a first data line to the driving time control circuit under the control of a first gate driving signal provided by a first gate line. The driving time control circuit is connected to a reference voltage terminal, the current control circuit, the first data writing-in circuit, and a light emitting element, and controls a light emitting time period of the light emitting element based on the reference voltage and the first data voltage, the reference voltage terminal is used to provide the reference voltage.

    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, DISPLAY PANEL AND VIDEO WALL
    56.
    发明申请
    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, DISPLAY PANEL AND VIDEO WALL 审中-公开

    公开(公告)号：US20200035148A1

    公开(公告)日：2020-01-30

    申请号：US16448913

    申请日：2019-06-21

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Minghua XUAN ,  Han YUE ,  Ming YANG ,  Ning CONG ,  Xiaochuan CHEN

    IPC: G09G3/32

    Abstract: The present application provides a pixel circuit and a method for driving the same, a display panel and a video wall. The pixel circuit includes a light emitting diode having a first electrode configured to receive a first power supply voltage and a second electrode configured to receive a second power supply voltage; and a switching sub-circuit having a first terminal electrically coupled to a display signal terminal, a second terminal electrically coupled to the second electrode of the light emitting diode and a control terminal electrically coupled to a scan signal terminal, and configured to control an emission state of the light emitting diode based on a display signal provided from the display signal terminal, in response to a scan signal provided from the scan signal terminal. The emission state varies based on a magnitude and a duration of an effective voltage level of the display signal.

    GRAYSCALE ADJUSTMENT CIRCUIT, METHOD FOR DRIVING THE SAME AND DISPLAY DEVICE
    57.
    发明申请
    GRAYSCALE ADJUSTMENT CIRCUIT, METHOD FOR DRIVING THE SAME AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20200020274A1

    公开(公告)日：2020-01-16

    申请号：US16450288

    申请日：2019-06-24

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Han YUE ,  Minghua XUAN ,  Ning CONG ,  Ming YANG ,  Can ZHANG ,  Can WANG ,  Xiaochuan CHEN

    IPC: G09G3/32

    Abstract: A grayscale adjustment circuit, a driving method thereof and a display device are provided. The circuit includes: an input sub-circuit configured to output a signal of a data signal terminal to a driving sub-circuit under a control of the scanning signal terminal, the driving sub-circuit configured to store an output signal of the input sub-circuit and output a signal of the first voltage terminal to a switching control sub-circuit under a control of the output signal of the input sub-circuit, a switching time control sub-circuit configured to output a signal of each switching time signal terminal to the switching control sub-circuit under a control of each switching time control terminal, the switching control sub-circuit configured to output an output signal of the driving sub-circuit to the light-emitting sub-circuit under a control of an output signal of the switching time control sub-circuit to control the light-emitting sub-circuit to emit light.

    IN-CELL TRANSPARENT TOUCH DISPLAY PANEL, MANUFACTURING METHOD AND DRIVING METHOD THEREOF
    58.
    发明申请
    IN-CELL TRANSPARENT TOUCH DISPLAY PANEL, MANUFACTURING METHOD AND DRIVING METHOD THEREOF 审中-公开

    公开(公告)号：US20200004363A1

    公开(公告)日：2020-01-02

    申请号：US15750924

    申请日：2017-08-08

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  dongni LIU ,  Lei WANG ,  Pengcheng LU ,  Li XIAO ,  Han YUE ,  Jie FU ,  Wenqing ZHAO ,  Yafeng YANG

    IPC: G06F3/041

    Abstract: An in-cell transparent touch display panel, manufacturing method and driving method thereof, which relates to the technical field of display is disclosed. The transparent touch display panel includes a first electrode and a pixel defining structure on a transparent substrate, the first electrode extending along a first direction and the pixel defining structure defining a plurality of pixel regions and touch electrode regions; an organic electroluminescent layer in the pixel regions, a second electrode arranged on the organic electroluminescent layer and in the pixel regions, the second electrodes extending along a second direction; and a plurality of first touch electrodes along the first direction and a plurality of second touch electrodes along the second direction and in the touch electrode regions. The first electrodes, second electrodes, first touch electrodes and second touch electrodes are all transparent electrodes, and the first direction intersects with the second direction.

    ELECTROWETTING DISPLAY PANEL AND CONTROL METHOD THEREOF
    59.
    发明申请
    ELECTROWETTING DISPLAY PANEL AND CONTROL METHOD THEREOF 审中-公开

    公开(公告)号：US20180315380A1

    公开(公告)日：2018-11-01

    申请号：US15743551

    申请日：2017-07-20

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

    IPC: G09G3/34 ,  G09G3/20 ,  G02B26/00

    CPC classification number: G02B26/00 ,  G09G3/34

    Abstract: The disclosure relates to an electrowetting display panel and a control method thereof. An electrowetting display panel comprises a plurality of pixel units, each of the pixel units comprising a plurality of sub-pixel units, the sub-pixel unit comprising: at least two liquid layers; and at least one electrode layer, wherein the liquid layers and the electrode layer are stacked alternately; and wherein each of the liquid layers comprises a first insulation layer, a second insulation layer, side walls, and liquid contained in a space surrounded by the first insulation layer, the second insulation layer and the side walls, the liquid comprises colored hydrophobic flowing medium and transparent hydrophilic flowing medium, and the insulation layer of the liquid layer adjacent to the electrode layer is a hydrophobic insulation layer.

    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, ARRAY SUBSTRATE AND DISPLAY APPARATUS
    60.
    发明公开
    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, ARRAY SUBSTRATE AND DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20230197007A1

    公开(公告)日：2023-06-22

    申请号：US18167166

    申请日：2023-02-10

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Can WANG ,  Han YUE ,  Can ZHANG ,  Minghua XUAN ,  Ming YANG

    IPC: G09G3/3241

    CPC classification number: G09G3/3241 ,  G09G2310/08

    Abstract: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display apparatus. The pixel circuit includes a pixel sub-circuit. The pixel sub-circuit includes a first adjusting circuit and a second adjusting circuit. The first adjusting circuit is configured to receive a first data signal and a light-emitting control signal to control a magnitude of a driving current used for driving a light-emitting element to emit light; the second adjusting circuit is configured to receive a second data signal and a time control signal to control a time duration in which the driving current is applied to the light-emitting element; and the time control signal changes within a time period during which the light-emitting control signal allows the driving current to be generated.

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