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    Display panel and display device
    251.
    发明授权
    Display panel and display device 有权

    公开(公告)号：US10732448B2

    公开(公告)日：2020-08-04

    申请号：US16021620

    申请日：2018-06-28

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Zhongxiao Li ,  Xue Dong ,  Xiaochuan Chen ,  Wenqing Zhao

    IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/29 ,  G02F1/1333

    Abstract: Provided a display panel and a display device, the display panel includes a first substrate, a second substrate opposite to the first substrate, a first light-shielding pattern, a second light-shielding pattern, a first electrode, a second electrode, a liquid crystal layer and a third light-shielding pattern between the two substrates in sequence; the three light-shielding patterns are configured such that light incident on the liquid crystal layer from the first substrate is prevented from exiting from the second substrate in response to an absence of voltage between the two electrodes; the two electrodes and the liquid crystal layer are configured such that the liquid crystal layer serves as an equivalent grating, and a portion of the light incident on the liquid crystal layer from the first substrate is directed to exit from the second substrate in response to the voltage between the two electrodes.

    Display panel, driving method therefor, and display device
    252.
    发明授权
    Display panel, driving method therefor, and display device 有权

    公开(公告)号：US10726230B2

    公开(公告)日：2020-07-28

    申请号：US15767358

    申请日：2017-09-30

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Yingming Liu ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Rui Xu ,  Lijun Zhao

    IPC: G06K9/00 ,  H01L27/32

    Abstract: There is disclosed a display panel and its driving method and a display device in the technical field of display. The display panel according to the disclosure includes a base substrate, a driving structure provided on the base substrate, a receiving structure provided above the driving structure, and a fingerprint detection module provided on the base substrate, wherein the driving structure is configured to create an ultrasonic signal, the receiving structure is configured to receive the ultrasonic signal reflected from a finger and transform the reflected ultrasonic signal into an electric signal which is input to the fingerprint detection module, and the fingerprint detection module is configured to determine fingerprint information from the electric signal output by the receiving structure.

    A PIXEL CIRCUIT, A DRIVING METHOD THEREOF AND A DISPLAY APPARATUS
    253.
    发明申请
    A PIXEL CIRCUIT, A DRIVING METHOD THEREOF AND A DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20200234639A1

    公开(公告)日：2020-07-23

    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 ,  Dingni 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.

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