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    FOLDING DEVICE, AND ELECTRONIC APPARATUS
    1.
    发明公开
    FOLDING DEVICE, AND ELECTRONIC APPARATUS 审中-公开

    公开(公告)号：EP4131901A1

    公开(公告)日：2023-02-08

    申请号：EP21789079.7

    申请日：2021-04-15

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： XU, Zhengyi ,  MA, Chunjun ,  NIU, Linhui ,  LI, Yunyong ,  WANG, Gangchao ,  LIU, Ting

    IPC: H04M1/02

    Abstract: This application discloses a folding apparatus and an electronic device. The folding apparatus includes a first housing, a rotating mechanism, and a second housing that are sequentially connected. The rotating mechanism includes a main shaft assembly, a first fixed bracket, a first transmission arm, a first rotating arm, a second fixed bracket, a second transmission arm, and a second rotating arm. The first fixed bracket is fastened to the first housing, a sliding end of the first transmission arm is slidably connected to the first fixed bracket, a rotating end of the first transmission arm is rotatably connected to the main shaft assembly, one end of the first rotating arm is rotatably connected to the first fixed bracket, and the other end of the first rotating arm is rotatably connected to the main shaft assembly. The second fixed bracket is fastened to the second housing, a sliding end of the second transmission arm is slidably connected to the second fixed bracket, a rotating end of the second transmission arm is rotatably connected to the main shaft assembly, one end of the second rotating arm is rotatably connected to the second fixed bracket, and the other end of the second rotating arm is rotatably connected to the main shaft assembly. According to this application, when the folding apparatus is folded or unfolded, a risk that a flexible display of the electronic device is stretched or squeezed is low, so that reliability of the flexible display is high.

    FOLDABLE ELECTRONIC DEVICE
    3.
    发明公开
    FOLDABLE ELECTRONIC DEVICE 审中-公开

    公开(公告)号：EP4191365A1

    公开(公告)日：2023-06-07

    申请号：EP21857470.5

    申请日：2021-07-28

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： TANG, Feng ,  LIU, Yu ,  XING, Chong ,  JIANG, Dede ,  LI, Zheng ,  NIU, Linhui

    IPC: G06F1/16 ,  H05K5/02

    Abstract: This application provides a foldable electronic device, including a first main body, a second main body, a rotating shaft assembly, a flexible screen, and a protective bracket. The first main body and the second main body are connected through the rotating shaft assembly, the flexible screen is disposed on the first main body and the second main body, and the first main body and the second main body may rotate relative to the rotating shaft assembly towards a side having the flexible screen. The flexible screen includes a bending region and a first non-bending region and a second non-bending region that are respectively located on two sides of the bending region. The protection bracket includes a flexible part, a first metal part, and a second metal part. The flexible part is disposed on the flexible screen, and includes a main body segment, a first connection segment, and a second connection segment. One end of the first metal part is embedded in the first connection segment, and the other end is fixedly connected to a bezel of the first main body. One end of the second metal part is embedded in the second connection segment, and the other end is fixedly connected to a bezel of the second main body. This application provides a foldable electronic device, to protect a bending region of a flexible screen.

    FOLDING APPARATUS AND ELECTRONIC DEVICE
    4.
    发明公开
    FOLDING APPARATUS AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：EP4131900A1

    公开(公告)日：2023-02-08

    申请号：EP21788497.2

    申请日：2021-04-15

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： NIU, Linhui ,  MA, Chunjun ,  XU, Zhengyi ,  LIU, Ting ,  LI, Yunyong ,  WANG, Gangchao

    IPC: H04M1/02

    Abstract: This application discloses a folding apparatus and an electronic device. A rotation mechanism of the folding apparatus includes a main shaft assembly, a first fastening bracket, a first transmission arm, a first rotation arm, a first support plate, a second fastening bracket, a second transmission arm, a second rotation arm, and a second support plate. One end of the first transmission arm is slidably connected to the first fastening bracket, and the other end is rotatably connected to the main shaft assembly. Two ends of the first rotation arm are rotatably connected to the first fastening bracket and the main shaft assembly respectively. The first support plate is lapped between the first fastening bracket and the main shaft assembly, and is fixedly connected to the first rotation arm. One end of the second transmission arm is slidably connected to the second fastening bracket, and the other end of the second transmission arm is rotatably connected to the main shaft assembly. Two ends of the second rotation arm are rotatably connected to the second fastening bracket and the main shaft assembly respectively. The second support plate is lapped between the second fastening bracket and the main shaft assembly, and is fixedly connected to the second rotation arm. A bending mechanism of the folding apparatus can strongly support a flexible display, so that the flexible display has high reliability and a long service life.

    FOLDING MECHANISM AND ELECTRONIC DEVICE
    7.
    发明公开
    FOLDING MECHANISM AND ELECTRONIC DEVICE 审中-实审

    公开(公告)号：EP4354835A1

    公开(公告)日：2024-04-17

    申请号：EP22845270.2

    申请日：2022-07-18

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： XU, Zhengyi ,  NIU, Linhui ,  GUAN, Chenghao ,  GONG, Zekun

    IPC: H04M1/02

    CPC classification number: H04M1/02 ,  H04M1/022 ,  H04M1/0268 ,  G06F1/1681 ,  G06F1/1652 ,  G06F1/1616

    Abstract: This application discloses a folding mechanism and an electronic device. The folding mechanism includes a main shaft assembly, a first connecting arm, a first pin shaft, a first gear, a first fitting part, a second fitting part, a third fitting part, and a first elastic part. In a process of unfolding or folding the electronic device, the first elastic part may deform, and the first elastic part may squeeze the first fitting part. The first fitting part may apply action force to the first gear. In this way, friction force between the first gear and the first fitting part may be increased to a large extent. A speed at which the first gear rotates relative to the main shaft assembly becomes lower, a speed at which the first connecting arm rotates relative to the main shaft assembly becomes lower, and a speed at which the first housing rotates relative to the main shaft assembly becomes lower. Therefore, the folding mechanism can reduce a rotation speed of the first housing, to protect a flexible display of the electronic device and improve reliability thereof.

    FOLDING APPARATUS AND ELECTRONIC DEVICE
    8.
    发明公开
    FOLDING APPARATUS AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：EP4198680A1

    公开(公告)日：2023-06-21

    申请号：EP21865777.3

    申请日：2021-08-10

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： XU, Zhengyi ,  MA, Chunjun ,  NIU, Linhui ,  LIU, Ting ,  LI, Yunyong ,  WANG, Gangchao ,  GUAN, Chenghao

    IPC: G06F1/16

    Abstract: A folding apparatus and an electronic device are disclosed. The electronic device includes a folding apparatus and a flexible display. The folding apparatus is configured to bear the flexible display. An elastic component of the folding apparatus may transfer an elastic force to the flexible display by using a housing of the folding apparatus. A force that is away from a main shaft and that is applied to the flexible display when the electronic device is in a flattened state is greater than a force that is away from the main shaft and that is applied to the flexible display when the electronic device is in a closed state. Therefore, when the electronic device is unfolded from the folded state to the flattened state, layered misalignment of the flexible display can be reduced, and crease recovery of the flexible display can be accelerated, thereby improving a flattening effect of the flexible display.

    FOLDING DEVICE AND ELECTRONIC APPARATUS
    9.
    发明公开
    FOLDING DEVICE AND ELECTRONIC APPARATUS 审中-公开

    公开(公告)号：EP4148712A1

    公开(公告)日：2023-03-15

    申请号：EP21827017.1

    申请日：2021-06-15

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： LI, Yunyong ,  MA, Chunjun ,  XU, Zhengyi ,  NIU, Linhui ,  LIU, Ting ,  WANG, Gangchao

    IPC: G09F9/30 ,  H04M1/02 ,  G06F1/16

    Abstract: A folding apparatus (100) and an electronic device (1000) are provided. The folding apparatus (100) is configured to support a flexible display (200). The folding apparatus (100) includes a first housing (10), a rotation mechanism (20) and a second housing (30). The rotation mechanism (20) includes a middle housing (1), a first support (2) and a second support (3), one end of the first support (2) is rotatably connected to the middle housing (1), and the other end is fixedly connected to the first housing (10). A support surface (21) of the first support (2) is spliced with a support surface (102) of the first housing (10) to form a first support surface (401). One end of the second support (3) is rotatably connected to the middle housing (1), and the other end is fixedly connected to the second housing (30). A support surface (31) of the second support (3) is spliced with a support surface (302) of the second housing (30) to form a second support surface (402). When the first housing (10) and the second housing (30) are folded relative to each other to a closed state, the first support (2) and the second support (3) are far away from each other, and the first support surface (401) and the second support surface (402) gradually approach each other in a direction away from the middle housing (1). A main moving mechanism of the rotation mechanism (20) of the folding apparatus (100) has a small quantity of parts, so that control precision is high.

    FOLDING DEVICE AND ELECTRONIC APPARATUS
    10.
    发明公开
    FOLDING DEVICE AND ELECTRONIC APPARATUS 审中-公开

    公开(公告)号：EP4124002A1

    公开(公告)日：2023-01-25

    申请号：EP21788089.7

    申请日：2021-04-15

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： XU, Zhengyi ,  MA, Chunjun ,  NIU, Linhui ,  LIU, Ting ,  WANG, Gangchao

    IPC: H04M1/02 ,  F16C11/04 ,  F16C11/12

    Abstract: This application discloses a folding apparatus and an electronic device. The folding apparatus includes a first housing, a rotating mechanism, and a second housing that are sequentially connected. The rotating mechanism includes a main shaft assembly, a first fixed bracket, a second fixed bracket, a first transmission arm, a first rotating arm, a second transmission arm, and a second rotating arm. The first fixed bracket is fastened to the first housing, and the second fixed bracket is fastened to the second housing. One end of the first transmission arm is slidably connected to the second fixed bracket, and the other end of the first transmission arm is a rotating end and is rotatably connected to the main shaft assembly. Two ends of the first rotating arm are rotatably connected to the first transmission arm and the first fixed bracket respectively. One end of the second transmission arm is slidably connected to the first fixed bracket, and the other end of the second transmission arm is rotatably connected to the main shaft assembly. Two ends of the second rotating arm are rotatably connected to the second transmission arm and the second fixed bracket respectively. When the folding apparatus is rotated, a risk of stretching or squeezing a flexible display is low, so that reliability of the flexible display is high, and a service life of the flexible display is long.

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