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公开(公告)号：US11315962B2
公开(公告)日：2022-04-26
申请号：US16617854
申请日：2019-04-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pinfan Wang , Mingche Hsieh
IPC: H01L27/12
Abstract: The present disclosure discloses a pre-stretched substrate, a method for manufacturing the same, an electronic device and a method for manufacturing the same. The method for manufacturing a pre-stretched substrate includes: sequentially forming at least two film layers on a carrier plate at a temperature higher than a first temperature threshold; wherein thermal expansion coefficients of the at least two film layers are different; and separating the at least two film layers from the carrier plate, thereby obtaining the pre-stretched substrate. The at least two film layers have different degrees of contraction in a normal temperature environment.
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公开(公告)号：US11264594B2
公开(公告)日：2022-03-01
申请号：US16661485
申请日：2019-10-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Huijuan Zhang , Pinfan Wang
Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, and a display device. The display substrate includes a stretchable base substrate; a display functional layer provided on the stretchable base substrate, the display functional layer including a plurality of pixel structures spaced apart from each other, each of the pixel structures including at least one inorganic insulation layer; the pixel structure having an upper surface distal to the stretchable base substrate and a first lateral surface connected between the upper surface and the stretchable base substrate; a protection layer covering at least a portion of the first lateral surface of at least one of the pixel structures corresponding to the inorganic insulation layer.
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43.发明授权公开(公告)号：US11251398B2
公开(公告)日：2022-02-15
申请号：US16347612
申请日：2018-03-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pinfan Wang
Abstract: An organic light emitting diode display panel includes a base substrate; a pixel definition layer for defining a plurality of subpixels on the base substrate; a plurality of organic light emitting diodes respectively in the plurality of subpixels; and a first inorganic encapsulating layer between the base substrate and the pixel definition layer configured to encapsulate the plurality of organic light emitting diodes in the plurality of subpixels. The pixel definition layer includes a plurality of pixel definition blocks spaced apart from each other. The first inorganic encapsulating layer includes a plurality of first inorganic encapsulating blocks, each of the plurality of first inorganic encapsulating blocks is between the base substrate and one of the plurality of pixel definition blocks and configured to encapsulate one of the plurality of organic light emitting diodes in one of the plurality of subpixels.
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公开(公告)号：US11100817B2
公开(公告)日：2021-08-24
申请号：US16605341
申请日：2019-04-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pinfan Wang
Abstract: The present disclosure provides a flexible electronic device and a manufacturing method thereof, and a flexible display device. The flexible electronic device includes: a flexible base substrate including a plurality of functional element regions spaced away from each other; at least one thin-film transistor disposed in each of the plurality of functional element regions on the flexible base substrate; and a rigid protective layer disposed at least on a side of the at least one TFT opposite to a side where the flexible base substrate is located in each of the plurality of functional element regions and configured to protect the at least one TFT, and a thickness of a central region of the rigid protective layer in each of the plurality of functional element regions is greater than a thickness of an edge region.
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公开(公告)号：US12284903B2
公开(公告)日：2025-04-22
申请号：US17795547
申请日：2021-09-27
Inventor： Li Jia , Tao Gao , Yucheng Chan , Pinfan Wang
Abstract: Provided is a display substrate including a flexible base substrate, a first filling layer, and an encapsulation layer. The flexible base substrate includes at least one stretch display region. The stretch display region includes multiple pixel island regions spaced apart from each other, multiple hole regions, and a connection bridge region located between a pixel island region and a hole region. At least one hole region is provided with one or more first through holes penetrating the flexible base substrate. The first filling layer is located in the hole region and is filled in a first through hole. The encapsulation layer is located on a side of the first filling layer away from the flexible base substrate, and an orthographic projection of the encapsulation layer on the flexible base substrate is partially overlapped with or is not overlapped with the first filling layer.
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Patent Agency Ranking
公开(公告)号：US12191320B2
公开(公告)日：2025-01-07
申请号：US17627768
申请日：2021-03-09
Inventor： Wenqiang Li , Long Han , Ling Shi , Ke Liu , Xuewei Tian , Kuo Sun , Pinfan Wang
IPC: H01L27/12
Abstract: A display panel and a display device. Because the pixel distribution density in a second display subarea (A12) is lower than that in a first display subarea (A11), the quantities of sub-pixels (pix) connected to scanning lines are not completely the same; a sub-pixel row having the greatest quantity of sub-pixels (pix) in the display panel is taken as a reference sub-pixel row, the quantity of the sub-pixels (pix) of the reference sub-pixel row is taken as a reference value, a sub-pixel row having the quantity of sub-pixels (pix) smaller than the reference value is taken as a compensation sub-pixel row, and a scanning line connected to the compensation sub-pixel row is taken as a first scanning line; the display panel is provided with load compensation units corresponding to at least part of the first scanning lines, and the load compensation units are located in the second display subarea.
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公开(公告)号：US20250008822A1
公开(公告)日：2025-01-02
申请号：US18264033
申请日：2022-11-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pinfan Wang , Zheng Liu , Rui Hong , Tao Sun , Bingwei Wang , Zunqing Song
IPC: H10K59/80 , H10K59/121 , H10K59/131
Abstract: A display substrate is provided. The display substrate includes a plurality of islands, a plurality of gaps, and a plurality of bridges; wherein a respective island of the plurality of islands includes a base substrate; one or more light emitting elements on the base substrate; and an encapsulating layer on a side of the one or more light emitting elements away from the base substrate, encapsulating the one or more light emitting elements; the encapsulating layer includes a first inorganic encapsulating sub-layer and a second inorganic encapsulating sub-layer; and in a cross-section along a plane perpendicular to the base substrate and intersecting the first inorganic encapsulating sub-layer and the second inorganic encapsulating sub-layer, an outermost edge of the first inorganic encapsulating sub-layer is encapsulated by the second inorganic encapsulating sub-layer, thereby rendering the outermost edge of the first inorganic encapsulating sub-layer unexposed.
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48.发明授权公开(公告)号：US11985867B2
公开(公告)日：2024-05-14
申请号：US17297588
申请日：2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Fangxu Cao , Pinfan Wang , Jing Yang
IPC: H10K59/124 , H10K59/131
CPC classification number: H10K59/124 , H10K59/131
Abstract: A display substrate has a plurality of pixel island regions arranged at intervals and a plurality of bridge regions connecting the plurality of pixel island regions, and includes an opening being disposed between any two adjacent bridge regions. At least one bridge region of the plurality of bridge regions including a first region and two second regions located on two sides of the first region, one second region of the two second regions being connected to one pixel island region adjacent thereto, and another region of the two second regions being connected to one pixel island region adjacent thereto. A stiffness of a portion of the display substrate located in the first region being less than a stiffness of a portion of the display substrate located in each second region.
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公开(公告)号：US11968872B2
公开(公告)日：2024-04-23
申请号：US17316734
申请日：2021-05-11
Applicant: BOE Technology Group Co., Ltd.
Inventor： Fangxu Cao , Jia Zhao , Pinfan Wang
IPC: H10K59/35 , H10K59/12 , H10K59/131 , H10K71/00
CPC classification number: H10K59/353 , H10K59/131 , H10K71/00 , H10K59/1201
Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a display region and a bezel region. The display region includes a plurality of sub-pixels, and the display region includes a main display region and a plurality of corner display regions. The corner display region includes a first display region and a second display region, a distance between a center point of the first display region and a center point of the main display region is smaller than a distance between a center point of the second display region and the center point of the main display region; and a structure of sub-pixels of the first display region is different from a structure of sub-pixels of the second display region.
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公开(公告)号：US11812640B2
公开(公告)日：2023-11-07
申请号：US17522507
申请日：2021-11-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hejin Wang , Mingche Hsieh , Pinfan Wang
IPC: H10K59/122 , H10K59/126 , H10K59/131
CPC classification number: H10K59/122 , H10K59/126 , H10K59/131
Abstract: An OLED substrate is provided, which comprises a light emitting region and a transparent region, wherein the OLED substrate comprises a substrate and a display layer on the substrate, and a portion of the display layer located in the transparent region has a first hollow part. A method for manufacturing an OLED substrate and a transparent display comprising an OLED substrate are further provided.
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