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    Pixel circuit and driving method thereof, display device
    72.
    发明授权
    Pixel circuit and driving method thereof, display device 有权

    公开(公告)号：US11100851B2

    公开(公告)日：2021-08-24

    申请号：US17255523

    申请日：2020-06-29

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Dongni Liu ,  Minghua Xuan

    IPC: G09G3/32

    Abstract: The present disclosure provides a pixel circuit including: a reset circuit, a threshold compensation circuit, a data writing circuit, a light emitting control circuit and a driving transistor, where the reset circuit, the threshold compensation circuit, the data writing circuit and a control electrode of the driving transistor are coupled to a control node; the reset circuit is configured to write a reset voltage to the control node; the threshold compensation circuit is configured to perform threshold compensation on the driving transistor; the data writing circuit is configured to charge the control node according to a data voltage; the light emitting control circuit is configured to control a second electrode of the driving transistor to be electrically coupled to or decoupled from a first electrode of the light emitting element; the driving transistor is configured to output a corresponding driving current according to a voltage at the control node.

    Display-driving circuit for multi-row pixels in a single column, a display apparatus, and a display method
    73.
    发明授权
    Display-driving circuit for multi-row pixels in a single column, a display apparatus, and a display method 有权

    公开(公告)号：US11100846B2

    公开(公告)日：2021-08-24

    申请号：US16638427

    申请日：2018-11-22

    Applicant: BOE Technology Group Co., Ltd.

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

    IPC: G09G3/32

    Abstract: The present application discloses display-driving circuit for multiple rows of pixels in a column of a display panel. The display-driving circuit includes a compensation sub-circuit comprising a driving transistor, a data-input transistor, a drive-control transistor, a reset transistor, and a capacitor. The compensation sub-circuit is configured to compensate a drift of a threshold voltage of the driving transistor to drive light emission of multiple light-emitting diodes associated with respective multiple rows of pixels in the column. The display-driving circuit further includes multiple first emission-control transistors coupled in parallel between a high-voltage supply and a source electrode of the driving transistor and multiple second emission-control transistors respectively coupled between a drain electrode of the driving transistor and respective anodes of the multiple light-emitting diodes, and respectively turned on in different ones of multiple portions of one cycle time for displaying one frame of image.

    PIXEL CIRCUIT, DRIVING METHOD THEREOF AND DISPLAY APPARATUS
    74.
    发明申请
    PIXEL CIRCUIT, DRIVING METHOD THEREOF AND DISPLAY APPARATUS 有权

    公开(公告)号：US20210150975A1

    公开(公告)日：2021-05-20

    申请号：US16891124

    申请日：2020-06-03

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Shengnan Li ,  Wei Qin ,  Tieshi Wang ,  Weixing Liu ,  Chunfang Zhang ,  Wanpeng Teng ,  Dongni Liu

    IPC: G09G3/32

    Abstract: A pixel circuit, a driving method thereof and a display apparatus are provided. The pixel circuit comprises a control module, a short-circuit protection module, a drive transistor and a light-emitting device, wherein the short-circuit protection module is used for providing a data voltage to a gate of the drive transistor in response to a gate signal; a second pole of the drive transistor is connected to a positive pole of the light-emitting device, and a negative pole of the light-emitting device receives a second power supply voltage; the short-circuit protection module is used for providing a third power supply voltage to the gate of the drive transistor to turn off the drive transistor in response to the data voltage provided to the gate of the drive transistor and the second power supply voltage provided to the positive pole of the light-emitting device.

    Pixel circuit, driving method, display panel and display device
    76.
    发明授权
    Pixel circuit, driving method, display panel and display device 有权

    公开(公告)号：US10770000B2

    公开(公告)日：2020-09-08

    申请号：US16096138

    申请日：2018-04-24

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Minghua Xuan ,  Lei Wang ,  Dongni Liu ,  Li Xiao ,  Jie Fu ,  Pengcheng Lu

    IPC: G09G3/3258

    Abstract: A pixel circuit, a driving method, a display panel and a display device. The pixel circuit includes: at least two pixel sub-circuits, a data line, a first scan line, a second scan line, a third scan line and a light-emitting control line. The pixel sub-circuit includes: a light-emitting control sub-circuit, a node reset sub-circuit, a drive control sub-circuit, a write sub-circuit and a light emitting device. The light-emitting control sub-circuit is configured to provide a signal provided by the first voltage signal end to a first node; the node reset sub-circuit is configured to form a conductive path between the first node and a second node; the write sub-circuit is configured to write a data signal provided by the data signal end and a threshold voltage to the second node; and the drive control sub-circuit is configured to drive the light emitting device to emit light.

    Pixel circuit, a driving method thereof and a display apparatus
    77.
    发明授权
    Pixel circuit, a driving method thereof and a display apparatus 有权

    公开(公告)号：US10762837B2

    公开(公告)日：2020-09-01

    申请号：US15757404

    申请日：2017-08-16

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Dongni Liu ,  Lei Wang ,  Li Xiao ,  Pengcheng Lu ,  Jie Fu ,  Han Yue

    IPC: G09G3/3233

    Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method thereof and a display apparatus. The pixel sub-circuit comprises a resetting sub-circuit is configured to control potentials of a first node and a second node according to inputting signals of a first signal terminal and a second signal terminal; a charging sub-circuit is configured to control a potential of the second node according to an inputting signal of a third signal terminal; a compensating sub-circuit configured to control the potentials of the first node and a third node according to inputting signals of a fourth and a fifth signal terminals and a potential of the second node; an outputting sub-circuit configured to control outputting signals of the first terminal of the light emitting device and a reading terminal according to the inputting signal of a sixth and a seventh signal terminals and a potential of the third node.

    In-cell transparent touch display panel, manufacturing method thereof
    78.
    发明授权
    In-cell transparent touch display panel, manufacturing method thereof 有权

    公开(公告)号：US10754459B2

    公开(公告)日：2020-08-25

    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 ,  G06F3/044

    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.

    NAKED-EYE THREE-DIMENSIONAL DISPLAY METHOD, NAKED-EYE THREE-DIMENSIONAL DISPLAY DEVICE AND TERMINAL EQUIPMENT
    79.
    发明申请
    NAKED-EYE THREE-DIMENSIONAL DISPLAY METHOD, NAKED-EYE THREE-DIMENSIONAL DISPLAY DEVICE AND TERMINAL EQUIPMENT 审中-公开

    公开(公告)号：US20190268589A1

    公开(公告)日：2019-08-29

    申请号：US16075746

    申请日：2018-01-03

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Lei Wang ,  Dongni Liu ,  Han Yue ,  Li Xiao ,  Jie Fu ,  Jian Gao ,  Changfeng Li

    IPC: H04N13/383 ,  G09G3/3208 ,  G09G3/36 ,  H04N13/302 ,  G02B27/22

    Abstract: A naked-eye three-dimensional display method constructed on two half-screens, a naked-eye three-dimensional display device, and a terminal equipment are provided in embodiments of the disclosure, the two half-screens being configured to display respectively images corresponding to a left eye and a right eye of an observer respectively, the method comprising: detecting in a real-time manner distances between both ends of each row of pixels on each of the half-screens and a corresponding eye of the observer through which said each of the half-screens is viewed; calculating light-exiting angles formed from displayed pixels on said each of the half-screens to the corresponding eye through which said each of the half-screens is viewed, as a function of a length of each of the half-screens and the distances between both ends of each row of pixels on each of the half-screens and the corresponding eye through which said each of the half-screens is viewed; and controlling light rays outputted from the displayed pixels to the corresponding eye through which said each of the half-screens is viewed, with a collimated light adjusting device, according to the light-exiting angles formed from the displayed pixels on said each of the half-screens to the corresponding eye through which said each of the half-screens is viewed, so as to focus displayed contents on said each of the half-screens onto the corresponding eye through which said each of the half-screens is viewed.

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