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    Display Substrate and Preparation Method Therefor, and Display Apparatus
    1.
    发明申请
    Display Substrate and Preparation Method Therefor, and Display Apparatus 有权

    公开(公告)号：US20250081610A1

    公开(公告)日：2025-03-06

    申请号：US18555548

    申请日：2022-12-22

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Li XIAO ,  Yan QU ,  Haoliang ZHENG ,  Jiao ZHAO ,  Yuzhen GUO ,  Xiaorong CUI ,  Chenyang ZHANG ,  Minghua XUAN

    IPC: H01L27/12 ,  G09G3/32 ,  H01L23/544 ,  H01L25/16

    Abstract: Disclosed are a display substrate and a preparation method therefor, and a display apparatus. The display substrate includes a plurality of first circuit regions and a plurality of second circuit regions alternately disposed along a second direction, a first circuit region includes a plurality of repeat units (RU) and a plurality of blank units (KB) alternately disposed along a first direction, a repeat unit (RU) includes a plurality of circuit units (Q), a circuit unit (Q) includes a pixel drive circuit and a data signal line (DataI) connected with the pixel drive circuit, a second circuit region includes at least one gate unit (G), the gate unit includes at least one gate drive circuit, and an orthographic projection of the gate drive circuit on a plane of the display substrate is not overlapped with an orthographic projection of the data signal line (DataI) on the plane of the display substrate.

    ULTRASONIC PATTERN RECOGNITION ASSEMBLIES, PREPARATION METHODS THEREOF AND DISPLAY DEVICES
    3.
    发明申请
    ULTRASONIC PATTERN RECOGNITION ASSEMBLIES, PREPARATION METHODS THEREOF AND DISPLAY DEVICES 有权

    公开(公告)号：US20220326793A1

    公开(公告)日：2022-10-13

    申请号：US17764848

    申请日：2021-04-14

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Yaqian JI ,  Yuzhen GUO ,  Yingming LIU ,  Yanling HAN ,  Chenyang ZHANG ,  Xiufeng LI ,  Peixiao LI ,  Yue GOU

    IPC: G06F3/043 ,  G06V40/13 ,  G06F3/041

    Abstract: An ultrasonic pattern recognition assembly comprising: a substrate; a receiving member comprising at least one receiving electrode disposed on the substrate; a piezoelectric layer disposed on the substrate and covering the receiving member; a seed member comprising at least one seed block disposed on at least a portion of the piezoelectric layer; an insulating member disposed on the seed member and having at least one exposed portion, the at least one exposed portion exposing a portion of a surface of the seed member; and a transmitting member comprising at least one transmitting electrode disposed on the seed member, the at least one transmitting electrode extending from a surface of the seed member exposed by the exposed portion in a direction away from the substrate. A display device and a method of fabricating an ultrasonic pattern recognition assembly are also disclosed.

    Display Substrate, Preparation Method Therefor, and Display Apparatus
    6.
    发明申请
    Display Substrate, Preparation Method Therefor, and Display Apparatus 有权

    公开(公告)号：US20250081609A1

    公开(公告)日：2025-03-06

    申请号：US18555254

    申请日：2022-12-22

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Li XIAO ,  Haoliang ZHENG ,  Minghua XUAN ,  Jiao ZHAO ,  Yuzhen GUO ,  Xiaorong CUI ,  Chenyang ZHANG

    IPC: H01L27/12 ,  G09G3/20 ,  G09G3/32 ,  H01L25/16

    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a plurality of circuit units (Q), the plurality of circuit units (Q) includes at least a first circuit unit (Q1), a second circuit unit (Q2) and a third circuit unit (Q3), wherein the first circuit unit (Q1) includes at least a first drive transistor (DTFT1), the second circuit unit (Q2) includes at least a second drive transistor (DTFT2), the third circuit unit (Q3) includes at least a third drive transistor (DTFT3), the channel width of the first drive transistor (DTFT1) is larger than that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3), and the channel length of the first drive transistor (DTFT1) is the same as that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3).

    PIXEL CIRCUIT, PIXEL DRIVING METHOD AND DISPLAY DEVICE
    7.
    发明申请
    PIXEL CIRCUIT, PIXEL DRIVING METHOD AND DISPLAY DEVICE 有权

    公开(公告)号：US20250014503A1

    公开(公告)日：2025-01-09

    申请号：US18275555

    申请日：2022-09-01

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Jiao ZHAO ,  Yuzhen GUO ,  Haoliang ZHENG ,  Li XIAO ,  Chenyang ZHANG ,  Xiaorong CUI ,  Minghua XUAN ,  Wanzhi CHEN ,  Yan QU

    IPC: G09G3/32

    Abstract: A pixel circuit, a pixel driving method and a display device are provided. The pixel circuit includes a driving circuit, a light emitting element and a light emitting gating control circuit; the driving circuit is electrically connected to a first electrode of the light emitting element, and is configured to drive the light emitting element; the light emitting gating control circuit is configured to form a current path between the second electrode of the light emitting element and the first voltage terminal under the control of the first control signal provided by the first control terminal according to the first light emitting control voltage provided by the first light emitting control voltage terminal and the light emitting data voltage provided by the light emitting data voltage terminal, to control the driving circuit to control the light emitting element to emit light.

    FINGERPRINT IDENTIFICATION PIXEL DRIVING CIRCUIT AND METHOD FOR DRIVING THE SAME, DISPLAY PANEL
    9.
    发明申请
    FINGERPRINT IDENTIFICATION PIXEL DRIVING CIRCUIT AND METHOD FOR DRIVING THE SAME, DISPLAY PANEL 有权

    公开(公告)号：US20230101504A1

    公开(公告)日：2023-03-30

    申请号：US17043318

    申请日：2020-04-22

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Lijun ZHAO ,  Yingming LIU ,  Haisheng WANG ,  Yanling HAN ,  Yuzhen GUO ,  Chenyang ZHANG

    IPC: G09G3/32 ,  G06V40/13

    Abstract: There is provided a fingerprint identification pixel driving circuit, including: a fingerprint signal identification element configured to transmit an ultrasonic wave and receive a reflected ultrasonic wave according to a voltage of a first node and a signal of a second signal terminal to generate a sensing signal; a drive reading element configured to drive a light emitting element according to the voltage of the first node and generate a sensing current according to the sensing signal; a fingerprint signal reading element configured to output the sensing current; a pixel charging element configured to write a signal of a data line terminal to a storage element; the storage element configured to store the sensing signal or the signal of the data line terminal; a light emitting control element configured to control light emitting of the light emitting element; and the light emitting element configured to emit light.

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