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    Backlight source, display device and driving method thereof
    22.
    发明授权
    Backlight source, display device and driving method thereof 有权

    公开(公告)号：US10573230B2

    公开(公告)日：2020-02-25

    申请号：US15793152

    申请日：2017-10-25

    Applicant: BOE Technology Group Co., Ltd.

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

    IPC: G09G3/32 ,  G09G3/3216 ,  H01L27/32 ,  H01L51/52

    Abstract: The present disclosure relates to a backlight source, a display device, and a driving method thereof, in the field of field of displays. The backlight source includes a Passive Matrix Organic Light Emitting Diode (PMOLED) display device, wherein the PMOLED display device includes a transparent substrate. A transparent wiring layer, an anode layer, a light emitting layer, a transparent cathode layer, and a transparent pixel definition layer are arranged on the transparent substrate subsequently. The light emitting layer includes a plurality of light emitting units for emitting white light, and the plurality of light emitting units are arranged in an array. The anode layer includes a plurality of anodes, the plurality of anodes are arranged below the corresponding plurality of light emitting units respectively, and can reflect light emitted from the corresponding light emitting units. The backlight source in the present application is implemented with PMOLED display device. The substrate, wiring layer, cathode layer and pixel definition layer of the PMOLED display device can use transparent materials, resulting in high transmittance of the backlight sources in the areas excluding the anodes, such that the transparent display device can have high transmittance.

    Pixel circuit, pixel driving method and display device
    25.
    发明授权
    Pixel circuit, pixel driving method and display device 有权

    公开(公告)号：US10818225B2

    公开(公告)日：2020-10-27

    申请号：US15775889

    申请日：2017-11-15

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Minghua Xuan ,  Shengji Yang ,  Lei Wang ,  Li Xiao ,  Jie Fu ,  Xiaochuan Chen ,  Pengcheng Lu

    IPC: G09G3/3233

    Abstract: A pixel circuit is disclosed, which includes: a driving transistor, a capacitor, a data writing sub-circuit and a current controlling sub-circuit, wherein the current controlling sub-circuit is used for controlling a ratio of a total time during which the driving current flows into the current controlling sub-circuit to a total time during which the driving current flows into the light-emitting device under control of a second control signal inputted via a second control signal input line during a light-emitting stage. Moreover, a pixel driving method and a display device are disclosed.

    Pixel circuit, driving method, display panel and display device
    26.
    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
    27.
    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
    28.
    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
    29.
    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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