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    DISPLAY PANEL, MANUFACTURING METHOD THEREOF, AND DISPLAY APPARATUS
    1.
    发明申请
    DISPLAY PANEL, MANUFACTURING METHOD THEREOF, AND DISPLAY APPARATUS 有权

    公开(公告)号：US20250089518A1

    公开(公告)日：2025-03-13

    申请号：US18288444

    申请日：2023-02-09

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Haidong WU ,  Yansong LI ,  Mingli LIU ,  Xiaobo DU ,  Hongli WANG

    IPC: H10K59/80 ,  H10K50/115 ,  H10K59/12 ,  H10K59/122 ,  H10K102/00

    Abstract: A display panel, including: a substrate; a pixel defining layer; a plurality of light-emitting devices each including a light-emitting functional layer and first and second electrodes; a supplementary electrode on a side of the second electrode away from the substrate, where an orthographic projection of the supplementary electrode on the substrate covers orthographic projections of light-emitting functional layers and/or second electrodes and/or first electrodes of the light-emitting devices of certain colors on the substrate; a supplementary electrode mutual repulsion layer on a side of the second electrode away from the substrate, where an orthographic projection of the supplementary electrode mutual repulsion layer on the substrate is complementary in pattern with the orthographic projection of the supplementary electrode on the substrate; and an encapsulation layer on a side of the supplementary electrode and the supplementary electrode mutual repulsion layer away from the substrate, and configured to encapsulate the light-emitting devices.

    Organic Light Emitting Device and Display Apparatus
    3.
    发明公开
    Organic Light Emitting Device and Display Apparatus 审中-公开

    公开(公告)号：US20230255045A1

    公开(公告)日：2023-08-10

    申请号：US17608749

    申请日：2021-01-22

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Guanyin WEN ,  Yansong LI ,  Xiaobo DU

    IPC: H10K50/12 ,  H10K50/18 ,  H10K50/13

    CPC classification number: H10K50/121 ,  H10K50/181 ,  H10K50/13 ,  H10K2101/40

    Abstract: Provided is an organic light emitting device, including a first electrode, second electrode, and first and second emitting layers that are disposed between first and second electrodes. The first emitting layer is located on a side of the second emitting layer close to the first electrode. The first emitting layer includes a first host material and first dopant material. The second emitting layer includes a second host material different from the first host material, and second dopant material. An electron block layer disposed between first emitting layer and first electrode, first emitting layer and second emitting layer satisfy:


    |HOMOEBL

    DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY APPARATUS
    6.
    发明申请
    DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY APPARATUS 有权

    公开(公告)号：US20230006004A1

    公开(公告)日：2023-01-05

    申请号：US17778891

    申请日：2021-03-05

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Yansong LI ,  Ying BAO ,  Haidong WU ,  Xing FAN ,  Xiaobo DU

    IPC: H01L27/32 ,  H01L51/56

    Abstract: A display substrate has a display region. The display region includes at least a first region, and the first region includes a plurality of first sub-pixel regions. The display substrate includes: a substrate; a plurality of first sub-pixels disposed on a side of the substrate; and a pattern layer disposed on a side of the plurality of first sub-pixels away from the substrate. The pattern layer includes a first pattern and a plurality of second patterns. Boundaries of orthographic projections of part of the second patterns located in the first region on the substrate respectively coincide with boundaries of the first sub-pixel regions; or boundaries of the first sub-pixel regions are respectively located within boundaries of orthographic projections of part of the second patterns located in the first region on the substrate. A portion of the first pattern located in the first region is electrically connected to the first cathode.

    DISPLAY PANEL AND DISPLAY DEVICE
    7.
    发明申请
    DISPLAY PANEL AND DISPLAY DEVICE 有权

    公开(公告)号：US20220254842A1

    公开(公告)日：2022-08-11

    申请号：US17487186

    申请日：2021-09-28

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shanshan BAI ,  Yue LIU ,  Yansong LI

    IPC: H01L27/32 ,  H01L51/56

    Abstract: The present disclosure provides a display panel and a light-emitting region of a display device. A display panel, comprising: a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels; wherein the first sub-pixel comprises a first light-emitting device which comprises a first effective light-emitting region; the second sub-pixel comprises a second light-emitting device which comprises a second effective light-emitting region; and the third sub-pixel comprises a third light-emitting device which comprises a third effective light-emitting region.

    PIXEL STRUCTURE, ARRAY SUBSTRATE AND DISPLAY APPARATUS
    8.
    发明申请
    PIXEL STRUCTURE, ARRAY SUBSTRATE AND DISPLAY APPARATUS 有权

    公开(公告)号：US20210296415A1

    公开(公告)日：2021-09-23

    申请号：US17057027

    申请日：2020-03-17

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Lujiang HUANGFU ,  Xing FAN ,  Hao GAO ,  Hao ZHANG ,  Qiuhua MENG ,  Na LI ,  Yansong LI

    IPC: H01L27/32

    Abstract: A pixel structure includes: a pixel definition layer having a first side and a second side which are opposite to each other in a thickness direction of the pixel definition layer, the pixel definition layer including a pixel opening having sidewalls; an island-shaped portion disposed in the pixel opening of the pixel definition layer and spaced apart from the sidewalls of the pixel opening, the island-shaped portion having sidewalls, and the sidewalls of the pixel opening and the sidewalls of the island-shaped portion defining a ring-shaped pixel groove; and a light emitting unit, at least a part of which is disposed in the ring-shaped pixel groove.

    Display Substrate and Preparation Method Thereof, and Display Apparatus
    9.
    发明申请
    Display Substrate and Preparation Method Thereof, and Display Apparatus 有权

    公开(公告)号：US20220399411A1

    公开(公告)日：2022-12-15

    申请号：US17598894

    申请日：2020-12-23

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Xin LI ,  Xing FAN ,  Jing YANG ,  Jiangnan LU ,  Yansong LI

    IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

    Abstract: Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a substrate and a plurality of pixel units disposed in matrix on the substrate, wherein each pixel unit includes a plurality of sub-pixels, and each sub-pixel includes a driving structure layer, a first electrode and a first pixel define layer on the driving structure layer, and a light absorption layer disposed on the first pixel define layer. The first pixel define layer includes a plurality of first barriers and first pixel openings disposed between the first barriers, the first pixel opening exposes at least part of the first electrode, and the first pixel opening includes a first surface close to the first electrode, a second surface opposite to the first surface and a first sidewall between the first and second surfaces.

    LIGHT-EMITTING SUBSTRATE, DISPLAY PANEL, LIGHT-EMITTING EQUIPMENT, METHOD AND APPARATUS FOR MANUFACTURING LIGHT-EMITTING SUBSTRATE
    10.
    发明申请
    LIGHT-EMITTING SUBSTRATE, DISPLAY PANEL, LIGHT-EMITTING EQUIPMENT, METHOD AND APPARATUS FOR MANUFACTURING LIGHT-EMITTING SUBSTRATE 有权

    公开(公告)号：US20220293702A1

    公开(公告)日：2022-09-15

    申请号：US17537622

    申请日：2021-11-30

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiaobo DU ,  Yansong LI ,  Guanyin WEN

    IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

    Abstract: A light-emitting substrate includes a base substrate, a pixel defining layer, a first electrode layer and a light-emitting functional layer. The pixel defining layer has a plurality of opening portions; the first electrode layer includes a plurality of first electrodes, at least a part of each first electrode is exposed to one of the opening portions and constitutes an accommodating portion with the opening portion; the light-emitting functional layer includes a plurality of functional sub-layers, at least one of which is a first functional sub-layer, the first functional sub-layer includes a plurality of functional patterns, each of which is located in one of the accommodating portions and is conformal to a surface of the accommodating portion, and a distance from an edge of the functional pattern to the base substrate is smaller than or equal to a distance from an edge of the accommodating portion to the base substrate.

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