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    Electronic Devices With Folding Displays Having Textured Flexible Areas
    1.
    发明申请
    Electronic Devices With Folding Displays Having Textured Flexible Areas 有权

    公开(公告)号：US20250040329A1

    公开(公告)日：2025-01-30

    申请号：US18911125

    申请日：2024-10-09

    Applicant: Apple Inc.

    Inventor： Que Anh S. Nguyen ,  Christian Weddeling ,  Hoon Sik Kim ,  Terry C. Lam

    IPC: H01L27/15 ,  B32B3/30 ,  B32B17/10 ,  H01L33/20

    Abstract: A foldable electronic device may bend about a bend axis. A foldable display panel may be configured to bend along the bend axis as the foldable device is folded. A display cover layer may overlap the display panel. The display panel may have an array of pixels configured to display an image viewable through the display cover layer. The display cover layer may be formed from a layer of glass. A recess may be formed in the layer of glass that runs parallel to the bend axis and that overlaps the bend axis. The recess forms a flexible locally thinned portion in the glass that allows the display cover layer to bend. A rough surface texture and polymer coating may be provided in the recess. The recess may have shallowly sloping walls.

    Electronic Devices With Flexible Display Cover Layers
    4.
    发明申请
    Electronic Devices With Flexible Display Cover Layers 审中-公开

    公开(公告)号：US20200313111A1

    公开(公告)日：2020-10-01

    申请号：US16774948

    申请日：2020-01-28

    Applicant: Apple Inc.

    Inventor： Hoon Sik Kim ,  Terry C. Lam ,  Chang-Chia Huang ,  Paul S. Drzaic ,  Yasmin F. Afsar ,  Young Cheol Yang ,  Leiming Wang

    IPC: H01L51/52 ,  H01L51/00 ,  H01L51/56 ,  H05K5/00 ,  H05K7/20

    Abstract: An electronic device may have a hinge that allows the device to be flexed about a bend axis. A display may span the bend axis. To facilitate bending about the bend axis without damage, the display may include a display cover layer with a flexible portion. The flexible portion of the display cover layer may be interposed between first and second rigid portions of the display cover layer. The display cover layer may also include a layer with self-healing properties. The layer of self-healing material may be formed across the entire display cover layer or may be formed only in the flexible region of the display cover layer. The display cover layer may include a layer of elastomer in the flexible region of the display cover layer for increased flexibility. Self-healing may be initiated or expedited by externally applied heat, light, electric current, or other type of external stimulus.

    Displays with redundant bent signal lines and neutral plane adjustment layers
    5.
    发明授权
    Displays with redundant bent signal lines and neutral plane adjustment layers 有权

    公开(公告)号：US10608069B2

    公开(公告)日：2020-03-31

    申请号：US15994858

    申请日：2018-05-31

    Applicant: Apple Inc.

    Inventor： Zhen Zhang ,  Terry C. Lam ,  Paul S. Drzaic ,  Izhar Z. Ahmed

    IPC: G06F3/041 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  G06F3/044

    Abstract: A display may have an array of organic light-emitting diodes that form an active area on a flexible substrate. Display driver circuitry such as a display driver integrated circuit may be coupled to an inactive area of the flexible substrate. Metal traces may extend across a bent region of the flexible substrate between the active area and inactive area. Metal traces may have zigzag shapes to reduce stress when bending. Adjacent pairs of parallel segments in the metal traces may be shorted together by a bridging segment that extends perpendicular to the two parallel segments. The bridging segment may be offset from corners to avoid clusters of stress zones in the metal trace. Neutral plane adjustment layers in the bent region may include a metal layer to help counteract the bending force of the flexible substrate and the relaxation of an upper polymer coating.

    Electronic devices with flexible displays
    7.
    发明授权
    Electronic devices with flexible displays 有权

    公开(公告)号：US11961946B2

    公开(公告)日：2024-04-16

    申请号：US17390504

    申请日：2021-07-30

    Applicant: Apple Inc.

    Inventor： Chang-Chia Huang ,  Hoon Sik Kim ,  Paul S. Drzaic ,  Terry C. Lam ,  Yasmin F. Afsar ,  Zhichun Shao

    IPC: H01L33/48 ,  H05K1/02

    CPC classification number: H01L33/483 ,  H05K1/028 ,  H05K2201/10272

    Abstract: A foldable electronic device may have a foldable housing. The foldable housing may be configured to bend about a bend axis. First and second portions of the housing that rotate relative to each other may be coupled by a hinge that is aligned with the bend axis. A foldable display may be coupled to the foldable housing and may be configured to bend along the bend axis as the foldable housing is folded. The display may have an array of pixels supported by a metal layer. The pixels may be interposed between a display cover layer and the metal layer. The foldable housing may have a support layer. To help support the display for bending about the bend axis while preventing damage to the display when the display is contacted by an external object, a spring layer may be interposed between the metal layer and the support layer.

    Electronic Devices With Flexible Display Cover Layers
    9.
    发明申请
    Electronic Devices With Flexible Display Cover Layers 有权

    公开(公告)号：US20220376203A1

    公开(公告)日：2022-11-24

    申请号：US17879705

    申请日：2022-08-02

    Applicant: Apple Inc.

    Inventor： Hoon Sik Kim ,  Terry C. Lam ,  Chang-Chia Huang ,  Paul S. Drzaic ,  Yasmin F. Afsar ,  Young Cheol Yang ,  Leiming Wang

    IPC: H01L51/52 ,  H01L51/00 ,  H01L51/56 ,  H05K7/20 ,  H05K5/00

    Abstract: An electronic device may have a hinge that allows the device to be flexed about a bend axis. A display may span the bend axis. To facilitate bending about the bend axis without damage, the display may include a display cover layer with a flexible portion. The flexible portion of the display cover layer may be interposed between first and second rigid portions of the display cover layer. The display cover layer may also include a layer with self-healing properties. The layer of self-healing material may be formed across the entire display cover layer or may be formed only in the flexible region of the display cover layer. The display cover layer may include a layer of elastomer in the flexible region of the display cover layer for increased flexibility. Self-healing may be initiated or expedited by externally applied heat, light, electric current, or other type of external stimulus.

    Electronic devices with folding displays having textured flexible areas
    10.
    发明授权
    Electronic devices with folding displays having textured flexible areas 有权

    公开(公告)号：US12142632B2

    公开(公告)日：2024-11-12

    申请号：US18506784

    申请日：2023-11-10

    Applicant: Apple Inc.

    Inventor： Que Anh S. Nguyen ,  Christian Weddeling ,  Hoon Sik Kim ,  Terry C. Lam

    IPC: H01L27/15 ,  B32B3/30 ,  B32B17/10 ,  H01L33/20

    Abstract: A foldable electronic device may bend about a bend axis. A foldable display panel may be configured to bend along the bend axis as the foldable device is folded. A display cover layer may overlap the display panel. The display panel may have an array of pixels configured to display an image viewable through the display cover layer. The display cover layer may be formed from a layer of glass. A recess may be formed in the layer of glass that runs parallel to the bend axis and that overlaps the bend axis. The recess forms a flexible locally thinned portion in the glass that allows the display cover layer to bend. A rough surface texture and polymer coating may be provided in the recess. The recess may have shallowly sloping walls.

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