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公开(公告)号：US20220097339A1
公开(公告)日：2022-03-31
申请号：US17406111
申请日：2021-08-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： LU LIU , Xiaofei LUO
Abstract: Provided are a preparation method of a display apparatus and the display apparatus, relating to a field of display technologies; wherein an edge of at least a side of a flexible display module of the display apparatus is bent to a back side of the flexible display module to form a first bending portion; the preparation method includes providing a flexible display assembly, which includes a flexible display module and a first supporting plate fitted to a display surface of the flexible display module; the first supporting plate is made of a rigid material; an edge of at least a side of the first supporting plate is bent toward a side where the flexible display module is located to form a second bending portion.
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公开(公告)号：US20210169242A1
公开(公告)日：2021-06-10
申请号：US16887730
申请日：2020-05-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaofei LUO , Shangchieh CHU , Yanyan YANG
Abstract: The present disclosure provides a display device and a support structure thereof, the support structure being configured to support a flexible display screen and comprising a support component and a synchronous transmission component, wherein: the support component comprises two telescopic rods, and has a fixed side fixed relative to a fixed side edge of the flexible display screen, and a movable side extendable and retractable with expansion or winding of a movable side edge of the flexible display screen; and the synchronous transmission component is connected to the support component, and is configured to move ends of the two telescopic rods on the movable side of the support component synchronously in a direction parallel to the movable side edge of the flexible display screen.
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公开(公告)号：US20230004189A1
公开(公告)日：2023-01-05
申请号：US17781091
申请日：2021-05-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaofei LUO , Shangchieh CHU , Yanyan YANG
IPC: G06F1/16
Abstract: A display apparatus includes a first housing provided with an opening therein, a first reel rotatably disposed in the first housing, a second reel rotatably disposed in the first housing, a flexible display panel, and a flexible support plate. The second reel and the first reel are arranged at intervals and extend in a same direction. A first end of the flexible display panel is connected to the first reel and wound on the first reel, and a first end of the flexible support plate is connected to the second reel and wound on the second reel. The flexible display panel and the flexible support plate are configured such that when the flexible display panel and the flexible support plate extend out of the first housing to through the opening, the flexible support plate is capable of gradually attaching to the first housing to support the flexible display panel.
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公开(公告)号：US20220276678A1
公开(公告)日：2022-09-01
申请号：US17631406
申请日：2021-04-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaofei LUO
IPC: G06F1/16
Abstract: An under-screen support structure and a display device. The under-screen support structure is configured to support a rollable and slidable display screen (6) in the display device, and includes a sliding middle frame (1), a rotating shaft (2) and a support chain (3). The rotating shaft is mounted on the side of the sliding middle frame facing a rollable and slidable portion of the display screen, and the rotating shaft is transmittingly connected to the display screen by means of the support chain. The support chain includes a plurality of support strips, the extension direction of the support strips is parallel to the axis of the rotating shaft. The cross section of each support strip perpendicular to the axis of the rotating shaft is trapezoidal, and the size of the side facing away from the rotating shaft is greater than that of the side close to the rotating shaft.
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公开(公告)号：US20240224418A1
公开(公告)日：2024-07-04
申请号：US17914644
申请日：2021-11-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaofei LUO
Abstract: Provided are a curved screen bending device and a curved screen bending method. A to-be-bent screen includes a planar area, a bending area connected to an edge of the planar area, and a flexible printed circuit connected to the bending area. The device includes: a screen bearing platform including a planar first bearing surface; a circuit board bearing platform movable relative to the screen bearing platform and located on an outer side of the screen bearing platform; and a supporting and protecting structure which is arranged on the screen bearing platform and includes first and second side faces opposite to each other, the first side face fits with the first bearing surface, the second side face bears and fixes the to-be-bent screen and at least includes a curved bearing region having a same curvature as that of a curved surface of the bending area after bending.
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Patent Agency Ranking
公开(公告)号：US20240210994A1
公开(公告)日：2024-06-27
申请号：US17912861
申请日：2021-11-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaofei LUO , Shangchieh CHU , Yanyan YANG
IPC: G06F1/16
CPC classification number: G06F1/1652 , G06F1/1656
Abstract: A flexible support layer and a flexible display device are provided, and the flexible support layer includes at least two non-bending regions and at least one bending region connecting two adjacent non-bending regions, wherein a bending region includes a fixed region and a pattern region located between the fixed region and a non-bending region, a support strip is provided at one side of the pattern region.
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公开(公告)号：US20220238048A1
公开(公告)日：2022-07-28
申请号：US17482078
申请日：2021-09-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Biao GAO , Zhao LI , Xiaofei LUO
Abstract: A display panel includes a base substrate and a flexible substrate layer. The base substrate includes a flat portion and a curved portion extending from the flat portion and curved towards a side of the base substrate facing away a display surface of the display panel. The flexible substrate layer includes a first portion on a side of the base substrate facing the display surface and a second portion on a side of the base substrate facing away from the display surface. The first portion includes a pixel circuit and the second portion includes a signal line electrically connected to the pixel circuit. The display panel further includes a support structure including a support surface facing away from the display surface, the second portion is coupled to the support surface, and a plane of the support surface intersects a plane of the flat portion of the base substrate.
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公开(公告)号：US20220127106A1
公开(公告)日：2022-04-28
申请号：US17329411
申请日：2021-05-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanyan YANG , Shangchieh CHU , Zongyuan WANG , Xiaofei LUO , Bei WANG
Abstract: A torsion spring used in a flexible display device includes a spring body having a first connection end configured to connect a reel of the flexible display device, and a second connection end configured to fix the torsion spring. An axial sectional area of the spring body near the first connection end is greater than an axial sectional area of the spring body away from the first connection end. When the reel rotates, the torsion force generated during the initial rotation of the reel is relatively large, and with the increase of the rotation turn number of the reel, the increase of the torsion force is relatively small.
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公开(公告)号：US20230098597A1
公开(公告)日：2023-03-30
申请号：US17801270
申请日：2021-11-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Biao GAO , LU LIU , Hong ZHU , Ziang HAN , Zongyuan WANG , Xiaofei LUO
IPC: H05K5/02
Abstract: A display apparatus and a display device, the display apparatus includes a first housing, a second housing, and a flexible display screen disposed on the first housing and the second housing; the flexible display screen includes a roll-up portion and a fixing portion that are connected to one another, the roll-up portion is at least partially disposed on the second housing, the fixing portion is at least partially disposed on the first housing, the second housing is slidably connected to the first housing, and at least part of the roll-up portion can slide out of or slide into the first housing following the second housing; a supporting structure is provided between at least part of the roll-up portion and the second housing, and the supporting structure provides a supporting force for the roll-up portion.
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公开(公告)号：US20230087798A1
公开(公告)日：2023-03-23
申请号：US17770248
申请日：2021-06-01
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shangchieh CHU , Xiaofei LUO , Yanyan YANG , Hong ZHU , Zongyuan WANG
IPC: G06F1/16
Abstract: . The displaying device includes: a first housing, a second housing, a flexible screen, a supporting strip and a telescopic rod; first housing andsecond housing face each other, and first housing is provided with an opening at a position facing the second housing; one end of flexible screen is winded inside first housing, and the other end protrudes out of the opening and is fixed to second housing; one end of supporting strip is winded inside first housing, the other end protrudes out of opening and is fixed to second housing, and a portion of supporting strip that protrudes out of first housing clings to a bottom the flexible screen; and telescopic rod is disposed at a bottom of supporting strip, and one end of telescopic rod is fixed to first housing, and the other end is fixed to the second housing.
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