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公开(公告)号：US11114631B2
公开(公告)日：2021-09-07
申请号：US16622525
申请日：2019-04-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yuanzheng Guo , Pinfan Wang , Ming Che Hsieh
Abstract: Embodiments of the present disclosure provide a flexible display substrate, a manufacturing method thereof and a flexible display device. The manufacturing method includes: forming a plurality of protrusions on a base substrate; forming a base film at one side of the plurality of protrusions facing away from the base substrate; forming a display structure at a surface of the base film facing away from the base substrate; peeling off the base film along with the display structure from the base substrate, and remaining the plurality of protrusions on the base substrate; and attaching the surface of the base film facing away from the display structure onto an elastic substrate and stretching the elastic substrate so that the base film is fractured at positions of the plurality of concaves.
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公开(公告)号：US12295216B2
公开(公告)日：2025-05-06
申请号：US17769030
申请日：2021-05-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jia Zhao , Pinfan Wang , Fangxu Cao , Zunqing Song
IPC: H10K59/124 , H10K59/12 , H10K102/00
Abstract: A display substrate has a central region and an edge region, and includes a plurality of structural units arranged in an array in the central region and the edge region; each structural unit is provided with a plurality of through holes, and divided by the plurality of through holes into a pixel island for displaying and a bridge portion for transmitting signals; the plurality of through holes are arranged around the pixel island; a part of the bridge portion is positioned between the pixel island and the through holes, and another part of the bridge portion is positioned between adjacent through holes; and a pixel pitch between adjacent pixel islands in the structural units in the edge region is equal to a pixel pitch between adjacent pixel islands in the structural units in the central region.
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公开(公告)号：US20250040367A1
公开(公告)日：2025-01-30
申请号：US18264026
申请日：2022-11-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hao Zhang , Pinfan Wang
IPC: H10K59/131
Abstract: A display substrate is provided. The display substrate includes a plurality of islands and a plurality of bridges connecting the plurality of islands; wherein the display substrate comprises a first voltage supply network; the first voltage supply network comprises a plurality of first connecting structures in a display area of the display substrate, a first row connecting line, a second row connecting line, a first column connecting line, and a second column connecting line; a respective first connecting structure of the plurality of first connecting structures is connected by the first row connecting line, the second row connecting line, the first column connecting line, and the second column connecting line, to four adjacent first connecting structures, respectively; the first row connecting line, the second row connecting line, the first column connecting line, and the second column connecting line are in four different bridges of the plurality of bridges.
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公开(公告)号：US20250008787A1
公开(公告)日：2025-01-02
申请号：US18264063
申请日：2022-11-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hao Zhang , Pinfan Wang , Bingwei Wang
IPC: H10K59/131 , H10K59/121 , H10K59/80
Abstract: A display substrate is provided. The display substrate includes a plurality of islands and a plurality of bridges connecting the plurality of islands. The display substrate comprises a signal line, wherein the signal line comprises: a first bridge connecting line at least partially in a first bridge of the plurality of bridges; a second bridge connecting line at least partially in a second bridge of the plurality of bridges; and a connecting structure at least partially in a respective island of the plurality of islands, connecting the first bridge connecting line with the second bridge connecting line; wherein at least a portion of the connecting structure is in a layer different from the first bridge connecting line or the second bridge connecting line.
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公开(公告)号：US20250008784A1
公开(公告)日：2025-01-02
申请号：US18264041
申请日：2022-11-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hao Zhang , Pinfan Wang , Fang Liu
IPC: H10K59/126 , G09G3/3233 , G09G3/3266 , H10K59/131
Abstract: A display substrate is provided. The display substrate includes a display substrate, comprising one or more scan circuits and one or more electrostatic discharge protection circuits in a peripheral area. An electrostatic discharge protection circuit is configured to provide a start signal to a scan unit of a scan circuit. The display substrate comprises a plurality of islands and a plurality of bridges connecting the plurality of islands in the peripheral area; a respective island of the plurality of islands comprises at least one scan unit of the scan circuit; and one or more signal lines connecting the electrostatic discharge protection circuit and the scan unit is at least partially in an individual bridge connecting the electrostatic discharge protection circuit and the scan unit.
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Patent Agency Ranking
公开(公告)号：US12010884B2
公开(公告)日：2024-06-11
申请号：US16975293
申请日：2019-11-06
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zunqing Song , Pinfan Wang , Fangxu Cao , Huijuan Zhang
IPC: H10K59/131 , H10K50/844 , H10K71/00 , H10K59/12
CPC classification number: H10K59/131 , H10K50/844 , H10K71/00 , H10K59/1201
Abstract: Provided is an organic light-emitting display substrate and a manufacturing method thereof, and an organic light-emitting display device. The organic light-emitting display substrate includes a display area and an opening area located at the display area. The display area includes: a base substrate; a partition pattern layer located on one side of the base substrate and including a partition wall around the opening area, the partition wall including a wall portion and a blocking portion located on one side of the wall portion away from the base substrate, an orthographic projection of the blocking portion on the base substrate covering and having an area greater than that of the wall portion on the base substrate; and an organic evaporation layer located on one side of the partition pattern layer away from the base substrate, the organic evaporation layer is discontinuous by being blocked by the partition wall.
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公开(公告)号：US11963381B2
公开(公告)日：2024-04-16
申请号：US16611466
申请日：2019-04-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengguang Ban , Pinfan Wang
IPC: H10K50/844 , H10K59/131
CPC classification number: H10K50/844 , H10K59/131
Abstract: Disclosed herein is a display substrate comprising: a support; a pixel on the support and with a thin-film transistor (TFT) therein; and a barrier on the support, surrounding the pixel, and separated from the pixel by a trench; wherein the barrier comprises a protrusion extending from the support and configured to retard invasion of moisture and oxygen into the pixel; wherein the protrusion comprises a layer coplanar with a layer of the TFT. Also disclosed herein are a display panel with this display substrate and a system with this display panel.
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公开(公告)号：US11806974B2
公开(公告)日：2023-11-07
申请号：US17222150
申请日：2021-04-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Fangxu Cao , Pinfan Wang , Haoran Wang , Xiaofei Luo , Yaming Wang , Zuojia Wang , Hejin Wang
CPC classification number: B32B3/02 , B32B37/142 , B32B2457/20
Abstract: A display panel, a display device and a manufacturing method thereof are provided. The display device includes a display panel laminated to the curved cover plate. A main display area, a first sub-area, and a second sub-area of the display panel each include multiple through holes penetrating through the display panel, and the through holes define pixel islands for display and bridges for signal transmission; the through holes are disposed around the pixel islands; a part of the bridge is located between the pixel island and the through hole, the other part is located between adjacent through holes.
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公开(公告)号：US11360337B2
公开(公告)日：2022-06-14
申请号：US16485669
申请日：2019-01-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pinfan Wang , Mingche Hsieh , Yuanzheng Guo
IPC: G02F1/1333 , G09F9/30 , H05K1/02
Abstract: A flexible substrate is provided. The flexible substrate includes: a flexible layer, wherein the flexible layer has a plurality of notches which have a first maximum width along a stretching direction in a stretched state of the flexible layer and have a second maximum width along the stretch direction in an unstretched state of the flexible layer, and wherein the first maximum width is greater than the second maximum width. A flexible display apparatus including the above flexible substrate and a method for producing the flexible substrate are also provided.
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公开(公告)号：US11335870B2
公开(公告)日：2022-05-17
申请号：US16920769
申请日：2020-07-06
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hongwei Tian , Yanan Niu , Meng Zhao , Pinfan Wang , Zheng Liu
Abstract: Provided is a method for preparing a display substrate. The display substrate includes multiple pixel island regions, empty regions and connection bridge regions. The preparation method includes: forming first grooves corresponding to the pixel island regions and second grooves corresponding to the connection bridge regions on a side of a hard underlay substrate; preparing the display substrate on a side of the underlay substrate where the first grooves and the second grooves are formed, wherein the pixel island regions are located in regions where the first grooves are located, the connection bridge regions are located in regions where the second grooves are located, and the empty regions are located in regions other than the first grooves and the second grooves; and separating the underlay substrate from the display substrate to obtain the display substrate.
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