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    Display apparatuses, pixel circuits and methods of driving pixel circuit
    64.
    发明授权
    Display apparatuses, pixel circuits and methods of driving pixel circuit 有权

    公开(公告)号：US11587501B2

    公开(公告)日：2023-02-21

    申请号：US17509899

    申请日：2021-10-25

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Seungwoo Han ,  Haoliang Zheng ,  Dongni Liu ,  Li Xiao ,  Liang Chen ,  Hao Chen ,  Jiao Zhao ,  Jin Yang ,  Minghua Xuan

    IPC: G09G3/32

    Abstract: The present disclosure provides a display apparatus, a pixel circuit and a method of driving a pixel circuit. In one or more embodiments, the pixel circuit includes a driving transistor, a data signal module and a bias signal module. A first electrode of the driving transistor is connected with a first power signal terminal, a second electrode of the driving transistor is connected with a first terminal of a light emitting element, and the driving transistor includes a first control electrode and a second control electrode. The data signal module is connected with the driving transistor, a data writing signal terminal and a data signal terminal. The bias signal module is connected with the driving transistor, a bias writing signal terminal and a bias signal terminal, and is configured to adjust a threshold voltage of the driving transistor under control of the bias writing signal terminal and the bias signal terminal.

    Pixel circuit, driving method thereof and electronic device
    65.
    发明授权
    Pixel circuit, driving method thereof and electronic device 有权

    公开(公告)号：US11538410B2

    公开(公告)日：2022-12-27

    申请号：US17407147

    申请日：2021-08-19

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Dongni Liu ,  Minghua Xuan ,  Li Xiao ,  Haoliang Zheng ,  Liang Chen ,  Jiao Zhao ,  Seungwoo Han ,  Hao Chen

    IPC: G09G3/3233 ,  G09G3/3291

    Abstract: A pixel circuit, a driving method thereof and a light emitting device, and relates to the technical field of display. The pixel circuit comprises driving sub-circuit comprising a control terminal, first terminal and a second terminal, driving sub-circuit being configured to control driving signal flowing through the first terminal and second terminal according to signal of control terminal; first capacitor comprising first pole and second pole coupled to control terminal of driving sub-circuit; first data writing sub-circuit configured to write first initialization signal to first pole of first capacitor in response to first scanning signal, write first data signal into driving sub-circuit in response to first scanning signal, so that signal of control signal of driving sub-circuit changes with first data signal; second data writing sub-circuit configured to write second data signal to first pole of first capacitor in response to second scanning signal.

    Array substrate having groups of transistors with source and drain electrode indifferent layers
    67.
    发明授权
    Array substrate having groups of transistors with source and drain electrode indifferent layers 有权

    公开(公告)号：US11482586B2

    公开(公告)日：2022-10-25

    申请号：US16769214

    申请日：2019-07-31

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Dongni Liu ,  Minghua Xuan ,  Liang Chen

    IPC: H01L29/08 ,  H01L27/32

    Abstract: An array substrate is provided. The array substrate includes a data line; a first voltage supply line; a second voltage supply line; and a pixel driving circuit. The pixel driving circuit includes one or more transistors in a first group and one or more transistors in a second group. A source electrode and a drain electrode of at least one transistor in the first group, the data line, the first voltage supply line, and the second voltage supply line are in a same layer. A source electrode and a drain electrode of at least one transistor in the second group are in a layer different from the first voltage supply line and the second voltage supply line.

    Pixel driving circuit having two data signals to compensate for threshold voltage and driving method
    68.
    发明授权
    Pixel driving circuit having two data signals to compensate for threshold voltage and driving method 有权

    公开(公告)号：US11386846B2

    公开(公告)日：2022-07-12

    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.

    Touch display substrate and method for driving the same, display device
    69.
    发明授权
    Touch display substrate and method for driving the same, display device 有权

    公开(公告)号：US11347360B2

    公开(公告)日：2022-05-31

    申请号：US16606385

    申请日：2019-03-11

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Detao Zhao ,  Ming Yang ,  Han Yue ,  Dongni Liu ,  Li Xiao ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen

    IPC: G06F3/041 ,  G06F3/044 ,  G09G3/3241

    Abstract: A touch display substrate, including touch electrodes, touch lines and sub-pixels, each sub-pixel includes a storage capacitor, a driving transistor, a switching element and a light emitting element, a first electrode and a second electrode of the storage capacitor are coupled to a gate electrode and a first electrode of the driving transistor, respectively, and a second electrode of the driving transistor, the switching element and the light emitting element are sequentially coupled in series, each touch electrode is coupled to one corresponding touch line through a via hole in an insulating layer between said each touch electrode and the corresponding touch line, and each touch electrode is formed by the second electrode of the storage capacitor in at least one sub-pixel, during a touch stage, the switching element decouples electrical coupling between the second electrode of the driving transistor and the light emitting element.

    Display substrate, display panel and display assembly
    70.
    发明授权
    Display substrate, display panel and display assembly 有权

    公开(公告)号：US11226520B2

    公开(公告)日：2022-01-18

    申请号：US16614343

    申请日：2019-05-15

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Detao Zhao ,  Li Xiao ,  Lei Wang ,  Dongni Liu ,  Liang Chen ,  Jifeng Tan ,  Minghua Xuan ,  Xiaochuan Chen

    IPC: G02F1/1343 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/139

    Abstract: A display substrate includes: a plurality of sub-pixel regions at a first base substrate, each of the plurality of sub-pixel regions including a light-blocking region and aperture regions located at opposing sides of the light-blocking region; and a first transparent electrode and a second transparent electrode within each of the plurality of sub-pixel regions, configured to drive a liquid crystal layer; wherein the first transparent electrode includes a first electrode unit located inside the light-blocking region and including a plurality of first sub-electrodes, wherein each of the plurality of first sub-electrodes are separated from two adjacent first sub-electrodes by a separation distance; and wherein the separation distance between two adjacent first sub-electrodes nearest to a center line of the light-blocking region is smaller than the separation distance between two adjacent first sub-electrodes nearest to an edge of the light-blocking region.

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