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公开(公告)号:WO2022260806A1
公开(公告)日:2022-12-15
申请号:PCT/US2022/028571
申请日:2022-05-10
Applicant: APPLE INC.
Inventor: WU, Xiaowei , KIM, Hoon, Sik , ZHAO, Yuxi , LAM, Terry, C. , AFSAR, Yasmin, F. , HUANG, Chang-Chia , LALGUDI VISWESWARAN, Bhadrinarayana , GOYAL, Supriya , DRZAIC, Paul, S.
IPC: C09J7/10
Abstract: In devices with flexible displays, multilayer adhesive stacks may be included. A multilayer adhesive may attach a flexible display panel to the display cover layer in an electronic device. Including multiple layers of adhesive in the adhesive stack (as opposed to a single layer) provides more degrees of freedom for the timing and optimization of the properties of the adhesive stack. The multilayer adhesive stack therefore has better performance than if only a single layer of adhesive is used. The multilayer adhesive stack may include one or more layers of soft adhesive, hard adhesive, hard elastomer, hard polymer, and/or glass to optimize the mechanical and optical performance of the multilayer adhesive stack. Soft adhesive layers may be included to optimize lateral decoupling (e.g., during folding and unfolding) of the adhesive stack. Harder layers may be included to provide rigidity and prevent denting during impact events.
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公开(公告)号:WO2022182554A1
公开(公告)日:2022-09-01
申请号:PCT/US2022/016613
申请日:2022-02-16
Applicant: APPLE INC.
Inventor: AFSAR, Yasmin F. , HIGHTOWER, Ben , LALGUDI VISWESWARAN, Bhadrinarayana , HUANG, Chang-Chia , KIM, Hoon, Sik , DRZAIC, Paul, S. , MANDLIK, Prashant , LAM, Terry, C. , HSIEH, Wen-I , SHAO, Zhichun
Abstract: A flexible display in a foldable electronic device may have a display cover layer and display panel that bend around a bend axis. The display panel may have an array of pixels configured to display an image through the display cover layer. The pixels may be formed from thin-film display circuitry that is supported by a flexible display panel substrate. The flexible substrate may be supported by a display support plate that bends about the bend axis. The display may be configured to allow attachment of the display panel substrate to the display support plate while helping to prevent undesired localized deformation of the thin-film display circuitry.
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公开(公告)号:WO2022155043A1
公开(公告)日:2022-07-21
申请号:PCT/US2022/011420
申请日:2022-01-06
Applicant: APPLE INC.
Inventor: NGUYEN, Que Anh, S. , WEDDELING, Christian , KIM, Hoon Sik , LAM, Terry, C.
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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公开(公告)号:WO2022055699A1
公开(公告)日:2022-03-17
申请号:PCT/US2021/047314
申请日:2021-08-24
Applicant: APPLE INC.
Inventor: HUANG, Chang-Chia , KIM, Hoon, Sik , DRZAIC, Paul, S. , LAM, Terry, C. , AFSAR, Yasmin, F. , SHAO, Zhichun
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.
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公开(公告)号:EP4211535A1
公开(公告)日:2023-07-19
申请号:EP21783079.3
申请日:2021-08-24
Applicant: Apple Inc.
Inventor: HUANG, Chang-Chia , KIM, Hoon, Sik , DRZAIC, Paul, S. , LAM, Terry, C. , AFSAR, Yasmin, F. , SHAO, Zhichun
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