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    Flexible Connector with Permeability Shield to Reduce Antenna Loss
    1.
    发明公开
    Flexible Connector with Permeability Shield to Reduce Antenna Loss 审中-公开

    公开(公告)号：US20240097321A1

    公开(公告)日：2024-03-21

    申请号：US18525735

    申请日：2023-11-30

    Applicant: Google LLC

    Inventor： Yao Ding ,  Qi Qi

    IPC: H01Q1/52 ,  H01Q1/50 ,  H05K1/02

    CPC classification number: H01Q1/526 ,  H01Q1/50 ,  H05K1/0216 ,  H05K2201/0715 ,  H05K2201/10098

    Abstract: This document describes apparatuses and techniques for providing a flexible connector between a secondary circuit board and a main logic board with a permeability shield to increase impedance of the flexible connector to reduce antenna loss from an antenna via the flexible connector to the main logic board. For example, an apparatus includes a secondary circuit board supporting one or more control pads and an antenna. A flexible connector includes a plurality of conductive traces configured to electrically couple the one or more control pads of the secondary circuit board to a coupling on a main logic board. A permeability shield is configured to be disposed along one or more portions of the flexible connector. The permeability shield is configured to increase impedance of the flexible connector to reduce antenna loss of the antenna via the control pads and the flexible connector to the main logic board.

    Driving Circuits for Piezoelectric Speakers
    3.
    发明公开
    Driving Circuits for Piezoelectric Speakers 审中-公开

    公开(公告)号：US20230412961A1

    公开(公告)日：2023-12-21

    申请号：US18457124

    申请日：2023-08-28

    Applicant: Google LLC

    Inventor： Yao Ding ,  Qi Qi

    IPC: H04R1/10 ,  H04R17/00 ,  H04R3/00

    CPC classification number: H04R1/1025 ,  H04R17/00 ,  H04R3/00

    Abstract: This document describes improved driving circuits for piezoelectric speakers (piezos). In aspects, a charging case for a hearable device includes a piezo and a circuit for driving the piezo having a battery, an inductor, first and second switches, and a microcontroller. The microcontroller is configured to first toggle the first switch for a number of times to charge the piezoelectric speaker via the inductor to a target voltage level and second toggle the second switch to discharge and thus sound the piezo. In such aspects, the first toggling of the first switch and the second toggling of the second switch control a volume and frequency, respectively, of the sounding, improving audio quality and providing finder features to users. Further, charging the piezoelectric speaker via the inductor enables the inductor to be smaller, conserving space within and power consumption of the charging case, leading to improved battery life.

    METAL PLATE DESIGN FOR ELECTRONIC DISPLAY PANELS
    4.
    发明申请
    METAL PLATE DESIGN FOR ELECTRONIC DISPLAY PANELS 有权

    公开(公告)号：US20230047276A1

    公开(公告)日：2023-02-16

    申请号：US17041123

    申请日：2019-07-17

    Applicant: Google LLC

    Inventor： Yi Tao ,  Qi Qi

    IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  B32B15/08 ,  B32B3/30 ,  B32B37/18 ,  B32B38/00 ,  B32B3/26 ,  B32B15/04 ,  B32B5/18 ,  B32B7/12

    Abstract: A method of assembling a display panel includes laminating a back plate to a display layer to form an untrimmed display panel, the back plate including a metal layer that includes a trimming path defined by one or more line segments having reduced metal content compared to other portions of the metal layer. The method further includes trimming the untrimmed display panel along the one or more line segments to define one or more edges of the display panel. For one or more locations along each of the one or more edges defined by the line segments, the metal layer is flush with the corresponding edge of the display panel.

    Metal plate design for electronic display panels
    5.
    发明授权
    Metal plate design for electronic display panels 有权

    公开(公告)号：US12295206B2

    公开(公告)日：2025-05-06

    申请号：US18678712

    申请日：2024-05-30

    Applicant: Google LLC

    Inventor： Yi Tao ,  Qi Qi

    IPC: H10K59/10 ,  B32B3/26 ,  B32B3/30 ,  B32B5/18 ,  B32B7/12 ,  B32B15/04 ,  B32B15/08 ,  B32B37/18 ,  B32B38/00 ,  H10K71/00 ,  H10K77/10

    Abstract: A method of assembling a display panel includes laminating a back plate to a display layer to form an untrimmed display panel, the back plate including a metal layer that includes a trimming path defined by one or more line segments having reduced metal content compared to other portions of the metal layer. The method further includes trimming the untrimmed display panel along the one or more line segments to define one or more edges of the display panel. For one or more locations along each of the one or more edges defined by the line segments, the metal layer is flush with the corresponding edge of the display panel.

    SHIELDING PORTIONS OF AN ELECTRONIC DEVICE
    7.
    发明申请
    SHIELDING PORTIONS OF AN ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20200187395A1

    公开(公告)日：2020-06-11

    申请号：US16788968

    申请日：2020-02-12

    Applicant: Google LLC

    Inventor： Qi Qi ,  Wonjae Choi ,  Yi Tao

    IPC: H05K9/00 ,  G06F1/16 ,  H04M1/02 ,  H05K1/02 ,  H05K5/00

    Abstract: Methods, systems, and apparatus, for shielding a bending portion of a flexible display that can be incorporated in electronic devices. One of the apparatus includes a cover glass element; a driver integrated circuit (D-IC); a mandrel portion; a shaft portion; a panel, positioned between the cover glass element and the D-IC, and comprising an inner panel layer that wraps around at least a portion of the mandrel portion to form a bending portion of the panel, the panel attached on either side on the shaft portion; and a shielding layer positioned around the inner panel layer and configured to inhibit electromagnetic signals through the bending portion.

    Display device including support structure for bending
    9.
    发明授权
    Display device including support structure for bending 有权

    公开(公告)号：US10229963B1

    公开(公告)日：2019-03-12

    申请号：US15800602

    申请日：2017-11-01

    Applicant: Google LLC

    Inventor： Qi Qi ,  Ken Foo ,  Yi Tao ,  John Kaehler

    IPC: H05K1/00 ,  H01L27/32 ,  H05K1/18 ,  H05K1/14 ,  H05K1/02 ,  H01L51/52

    Abstract: In a general aspect, a display device may include a flexible display having a substantially flat central portion and an end portion, a printed circuit film disposed on the end portion of the display, a panel member attached to the printed circuit film, the panel member being bent around a bend axis to form an edge of the display, and a support structure disposed inside of formed edge of the panel member, the support structure being non-parallel to the flat central portion of the display. The panel member may conform to a shape of the support structure.

    Extended Closure Sensor Design for an Electronic Device
    10.
    发明公开
    Extended Closure Sensor Design for an Electronic Device 审中-公开

    公开(公告)号：US20240175946A1

    公开(公告)日：2024-05-30

    申请号：US18431518

    申请日：2024-02-02

    Applicant: Google LLC

    Inventor： Qi Qi ,  Yao Ding

    IPC: G01R33/07 ,  G01R33/00 ,  H01F7/02 ,  H05K5/02

    CPC classification number: G01R33/072 ,  G01R33/0011 ,  G01R33/0047 ,  H01F7/0294 ,  H05K5/0226

    Abstract: This disclosure describes an extended closure sensor design for an electronic device. An electronic device (300) senses, with a magnetic sensor (306), an open or a closed position of the electronic device (300). A lid magnetic field is propagated through a ferromagnetic material (304) by a lid magnet (302) when a lid (310) or similar component of the electronic device (300) is in the closed position, thereby placing the lid magnetic field incident upon the magnetic sensor (306). In the open position, the lid magnetic field is materially absent and a bias magnet (308) causes a bias magnetic field to be incident upon the magnetic sensor (306).

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