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    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, AND DISPLAY PANEL
    41.
    发明申请
    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, AND DISPLAY PANEL 审中-公开

    公开(公告)号：US20200243003A1

    公开(公告)日：2020-07-30

    申请号：US15761336

    申请日：2017-09-07

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Can ZHANG ,  Wei SUN ,  Lingyun SHI

    IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3283

    Abstract: This application provides a pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes: an input unit, a driving unit and a voltage compensation unit, wherein the input unit is connected to a data line and a first scan line, and configured to input a hopping data signal inputted at the data line to the voltage compensation unit under control of the first scan line; the voltage compensation unit is connected to a first node, a second scan line and a third scan line, and configured to generate a compensation voltage at the first node under control of the second scan line and the third scan line; the driving unit is connected to the voltage compensating unit, and configured to generate a current for driving a light emitting device to emit light using the compensation voltage generated by the voltage compensating unit at the first node. In the pixel circuit and the driving method thereof and the display panel according to the present disclosure, threshold voltage compensation performed on the driving transistor of the pixel circuit and smart displaying are combined, and resolution of the display panel can be adjusted in real time with respect to that the user has different attentions on the picture displayed by the display panel.

    PIXEL UNIT AND DRIVING METHOD THEREOF, DISPLAY PANEL AND DRIVING METHOD THEREOF, AND DISPLAY APPARATUS
    42.
    发明申请
    PIXEL UNIT AND DRIVING METHOD THEREOF, DISPLAY PANEL AND DRIVING METHOD THEREOF, AND DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20190371243A1

    公开(公告)日：2019-12-05

    申请号：US16070513

    申请日：2017-12-15

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Minghua XUAN ,  Can ZHANG ,  Ming YANG ,  Yan LI ,  Xiaoling XU

    IPC: G09G3/3241 ,  G09G3/36

    Abstract: Embodiments of the present disclosure provide a pixel unit and a driving method thereof, a display panel and a driving method thereof, and a display apparatus. The pixel unit comprises a driving sub-circuit, a first switching sub-circuit, a second switching sub-circuit, and a light-emitting element. The driving sub-circuit has a first terminal electrically coupled to a first power supply terminal, and a second terminal electrically coupled to a first terminal of the light-emitting element. The first switching sub-circuit has an inputting terminal electrically coupled to a data line, an outputting terminal electrically coupled to an inputting terminal of the second switching sub-circuit, and a controlling terminal electrically coupled to a scanning line. The second switching sub-circuit has an outputting terminal electrically coupled to an inputting terminal of the driving sub-circuit.

    TOUCH PANEL AND DISPLAY APPARATUS
    46.
    发明申请
    TOUCH PANEL AND DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20190156097A1

    公开(公告)日：2019-05-23

    申请号：US15743583

    申请日：2017-07-07

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Yingming LIU ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Chunwei WU ,  Xiaoliang DING ,  Rui XU ,  Lijun ZHAO ,  Changfeng LI ,  Yanan JIA ,  Yuzhen GUO ,  Yunke QIN ,  Pinchao GU ,  Fanna MENG

    IPC: G06K9/00 ,  G06F3/041 ,  G06F3/042

    Abstract: The present application provides a touch panel and a display apparatus comprising the touch panel. The touch panel comprises an array substrate and a fingerprint identification substrate, the array substrate comprises a first base and a plurality of pixel units provided on the first base, each of the pixel units comprises a thin film transistor and an organic light emitting diode, the fingerprint identification substrate comprises a second base and a plurality of fingerprint identification devices provided on the second base, the fingerprint identification substrate is located at a side of the first base distal to the pixel units, the array substrate further comprises a light blocking layer and a via-hole provided between at least a portion of the pixel units adjacent to each other, the via-hole is formed in the light blocking layer so that light emitted by the organic light emitting diode is reflected by a surface of a touch terminal to irradiate onto more than one of the fingerprint identification devices, the surface of the touch terminal comprises ridges and valleys, light reflected by the ridges and the valleys of the surface of the touch terminal passes through the via-hole to irradiate onto different ones of the fingerprint identification devices respectively.

    OPTICAL FINGERPRINT RECOGNITION APPARATUS AND DISPLAY PANEL
    49.
    发明申请
    OPTICAL FINGERPRINT RECOGNITION APPARATUS AND DISPLAY PANEL 审中-公开

    公开(公告)号：US20190050621A1

    公开(公告)日：2019-02-14

    申请号：US15759755

    申请日：2017-09-18

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Rui XU ,  Xue DONG ,  Haisheng WANG ,  Chun-Wei WU ,  Yingming LIU ,  Changfeng LI ,  Yunke QIN ,  Xiaoliang DING ,  Pinchao GU ,  Lijun ZHAO ,  Yanan JIA ,  Yuzhen GUO ,  Jing LV ,  Xiaochuan CHEN

    IPC: G06K9/00 ,  G02B27/30

    Abstract: The embodiments of the present disclosure provide an optical fingerprint recognition apparatus and a display panel. The apparatus comprises: a light emitting structure (1), a collimating structure (2) and a plurality of photosensitive sensors (3); the light emitting structure (1) is used for generating detecting light; the collimating structure (2) is used for filtering the detecting light reflected by a finger, such that light with a scattering angle in a predetermined range transmits through the collimating structure (2); the photosensitive sensors (3) are used for receiving the light transmitted through the collimating structure (2) and acquiring fingerprint information according to the received light. The embodiments of the present disclosure are used for manufacturing a display panel. The present disclosure can enhance accuracy of the recognized fingerprint information during an optical fingerprint recognition process.

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