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    Display substrate, manufacturing method thereof, and display apparatus
    1.
    发明授权
    Display substrate, manufacturing method thereof, and display apparatus 有权

    公开(公告)号：US12219819B2

    公开(公告)日：2025-02-04

    申请号：US17633219

    申请日：2021-04-26

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Xing Fan ,  Shantao Chen ,  Xin Li ,  Hao Gao ,  Cheng Han ,  Yansong Li

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

    Abstract: A display substrate includes a first electrode layer, a pixel define layer, an organic light-emitting layer, a second electrode layer and a first encapsulation layer which are sequentially disposed away from an base substrate. The pixel define layer has a plurality of openings, at least one of which exposes the first electrode layer. The pixel define layer has a first climbing part and a second climbing part close to the edge of at least one opening, the distance from a surface of the second climbing part away from the base substrate to the base substrate is greater than the distance from a surface of the first climbing part away from the base substrate to the base substrate, and the slope angle of the first climbing part is different from that of the second climbing part.

    DISPLAY SUBSTRATE AND DISPLAY APPARATUS
    2.
    发明申请
    DISPLAY SUBSTRATE AND DISPLAY APPARATUS 有权

    公开(公告)号：US20250008805A1

    公开(公告)日：2025-01-02

    申请号：US18264066

    申请日：2022-11-24

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Cheng Han ,  Qixiao Wu ,  Zhihui Zhang ,  Yanqiang Wang ,  Songquan Wu ,  Yanming Wang ,  Xu Li ,  Le Wang ,  Lihui Luo ,  Yansong Li

    IPC: H10K59/38 ,  H10K59/40 ,  H10K59/80 ,  H10K102/00

    Abstract: A display substrate includes a light emitting element on a base substrate; and a light modulating structure on a side of the light emitting element away from the base substrate. The light modulating structure includes a color filter layer and a substantially transparent layer on a side of the color filter layer away from the base substrate. The color filter layer includes a plurality of color filter units, a respective color filter unit of the plurality of color filter units being in an individual subpixel. Adjacent color filter units are spaced apart by a portion of the substantially transparent layer that extends into a region between the adjacent color filter units. An orthographic projection of the respective color filter unit on the base substrate at least partially overlaps with an orthographic projection of a light emitting layer of the light emitting element on the base substrate.

    Mask plate with transition region and fabricating method thereof
    3.
    发明授权
    Mask plate with transition region and fabricating method thereof 有权

    公开(公告)号：US11765961B2

    公开(公告)日：2023-09-19

    申请号：US17355399

    申请日：2021-06-23

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shanshan Bai ,  Yansong Li

    IPC: H10K71/16 ,  H10K71/00 ,  H10K71/20 ,  H10K102/00

    CPC classification number: H10K71/166 ,  H10K71/00 ,  H10K71/20 ,  H10K2102/351

    Abstract: The present disclosure provides a mask plate and a fabricating method thereof. The mask plate includes a patterning layer having a plurality of openings; a bonding region at a periphery of the patterning region and including a bonding part configured to be bonded to an external frame; and a transition region between the patterning region and the bonding region and including a transition part, the transition part adjoining the patterning layer and the bonding part, respectively; a thickness of the patterning layer is less than a thickness of the bonding part; and a thickness of a portion of the transition part adjoining the patterning layer is less than a thickness of a portion of the transition part adjoining the bonding part. The mask plate of the present disclosure can alleviate problem that the patterning layer is thin and easy to deform and has improved flatness of the patterning layer.

    ORGANIC ELECTROLUMINESCENT DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE
    5.
    发明申请
    ORGANIC ELECTROLUMINESCENT DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE 有权
    有机电致发光显示器基板及其制造方法及显示装置

    公开(公告)号：US20170040396A1

    公开(公告)日：2017-02-09

    申请号：US14913037

    申请日：2015-07-31

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Yansong Li ,  Na Li ,  Li Sun

    IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52

    CPC classification number: H01L27/3258 ,  H01L27/32 ,  H01L27/3246 ,  H01L51/0014 ,  H01L51/0021 ,  H01L51/5228 ,  H01L51/5234 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/53 ,  H01L2251/5315 ,  H01L2251/558

    Abstract: The present disclosure provides an organic electroluminescent display substrate and a manufacturing method thereof, and a display device. The organic electroluminescent display substrate includes a base substrate and a plurality of pixel units formed on the base substrate, the pixel unit including a light-emitting region and a non-light-emitting region. An organic electroluminescent structure is formed in the light-emitting region, the organic electroluminescent structure including a first electrode layer, an organic luminescent functional layer and a second electrode layer stacked on the base substrate, the second electrode layer including a first portion in the light-emitting region and a second portion in the non-light-emitting region, and a plurality of organic/inorganic material layers are provided between the second electrode layer and the base substrate, the plurality of organic/inorganic material layers including at least the organic luminescent functional layer in the light-emitting region and including a transparent material layer in the non-light-emitting regions of parts of pixel units.

    Abstract translation: 本发明提供一种有机电致发光显示基板及其制造方法以及显示装置。 有机电致发光显示基板包括基底基板和形成在基底基板上的多个像素单元，该像素单元包括发光区域和非发光区域。 在发光区域中形成有机电致发光结构，所述有机电致发光结构包括第一电极层，有机发光功能层和堆叠在所述基底基板上的第二电极层，所述第二电极层包括所述光的第一部分 并且在所述非发光区域中具有第二部分，并且在所述第二电极层和所述基底基板之间设置多个有机/无机材料层，所述多个有机/无机材料层至少包括所述有机/无机材料层 发光区域中的发光功能层，并且在像素单元的部分的非发光区域中包括透明材料层。

    1, 2, 4-TRIAZOLE-BASED DERIVATIVE, PRODUCTION PROCESS AND USE THEREOF, AND ORGANIC ELECTROLUMINESCENT DEVICE
    6.
    发明申请
    1, 2, 4-TRIAZOLE-BASED DERIVATIVE, PRODUCTION PROCESS AND USE THEREOF, AND ORGANIC ELECTROLUMINESCENT DEVICE 有权
    1,2,4-三唑衍生物，生产方法及其用途和有机电致发光器件

    公开(公告)号：US20140343293A1

    公开(公告)日：2014-11-20

    申请号：US14164654

    申请日：2014-01-27

    Applicant: JiLin OLED Material Tech. Co., LTD. ,  BOE Technology Group Co., LTD.

    Inventor： Na Li ,  Yansong Li ,  Xiaoyu Ma ,  Hui Wang

    IPC: H01L51/00

    CPC classification number: H01L51/0058 ,  C07D249/08 ,  C07D403/10 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5012

    Abstract: The invention provides a 1,2,4-triazole-based derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material having a higher luminescence efficiency. The 1,2,4-triazole-based derivative has a molecular structure of the following general formula, wherein A group represents an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The 1,2,4-triazole-based derivative mentioned in the invention can be used in organic electroluminescent device.

    Abstract translation: 本发明提供基于1,2,4-三唑的衍生物，其制备方法和用途以及有机电致发光器件。 本发明属于有机电致发光技术领域，可以得到发光效率高的蓝色发光材料。 1,2,4-三唑系衍生物具有以下通式的分子结构，其中A基团表示碳原子数为8〜18的芳香族杂环基，碳原子数为稠环芳香族基 9-15，芴基或三芳基氨基。 本发明中提及的1,2,4-三唑类衍生物可用于有机电致发光器件中。

    Light-Emitting Device, Display Panel and Display Apparatus
    7.
    发明申请
    Light-Emitting Device, Display Panel and Display Apparatus 有权

    公开(公告)号：US20250126970A1

    公开(公告)日：2025-04-17

    申请号：US18577969

    申请日：2023-03-16

    Applicant: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shun Wang ,  Hao Gao ,  Yansong Li ,  Cheng Han ,  Yan Fan ,  Xiangmin Wen ,  Bingwei Yang

    IPC: H10K50/19 ,  H10K59/35

    Abstract: A light-emitting device includes a first electrode; a second electrode; N light-emitting units stacked between the first electrode and the second electrode; and a connection layer disposed between any two adjacent light-emitting units. A peak of an intrinsic spectrum of at least part of light-emitting units is in a range from 400 nm to 480 nm. A sum of peaks of intrinsic spectra of the N light-emitting units is in a range from N×400 nm to N×480 nm; N≥2, and N is a positive integer. A difference between a color coordinate y value of the light-emitting device under a blue image at a preset viewing angle that is in a range from 60° to 75° and a color coordinate y value of the light-emitting device under the blue image at a viewing angle of 0° is in a range from 0 to 0.07.

    Array substrate and display apparatus
    8.
    发明授权
    Array substrate and display apparatus 有权

    公开(公告)号：US12219849B2

    公开(公告)日：2025-02-04

    申请号：US17772245

    申请日：2021-05-26

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xing Fan ,  Xin Li ,  Cheng Han ,  Yansong Li

    IPC: H10K59/35 ,  H10K59/124 ,  H10K102/00

    Abstract: An array substrate and a display apparatus are provided The array substrate includes: at least one adjusting portion on the base substrate and having a first cross section in a plane perpendicular to the base substrate; first cross section includes top and bottom sides, first and second lateral sides; the bottom side is closer to the base substrate than the top side, an orthographic projection of the top side on the base substrate is within an orthographic projection of the bottom side on the base substrate; the first and/or second lateral sides is/are stepped; a buffer layer on a side of the adjusting portion away from the base substrate; light-emitting devices on a side of the buffer layer away from the base substrate and each including a first electrode, a light-emitting layer and a second electrode sequentially arranged along a direction away from the base substrate.

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