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    Strain gauge having unbalanced bias for single sided applications
    1.
    发明授权
    Strain gauge having unbalanced bias for single sided applications 有权

    公开(公告)号：US11415405B2

    公开(公告)日：2022-08-16

    申请号：US16858110

    申请日：2020-04-24

    Applicant: STMicroelectronics Asia Pacific Pte Ltd

    Inventor： Sa Hyang Hong ,  Jun Hwan Kang ,  Yun Sang On

    IPC: G06F3/041 ,  G01B7/16 ,  G01L1/22

    Abstract: Disclosed herein is a strain gauge including a substrate, with a first Wheatstone bridge arrangement of resistors disposed on a first surface of the substrate, and a second Wheatstone bridge arrangement of resistors disposed remotely from the first Wheatstone bridge arrangement of resistors. The resistors of the first Wheatstone bridge arrangement are equal in resistance to one another, while the resistors of the second Wheatstone bridge arrangement are unequal in resistance to one another and unequal to those of the first Wheatstone bridge arrangement. The first Wheatstone bridge arrangement of resistors are electrically connected in parallel with the second Wheatstone bridge arrangement of resistors such that each resistor of the first Wheatstone bridge arrangement is electrically connected in parallel with a different resistor of the second Wheatstone bridge arrangement.

    Rollable display device
    2.
    发明授权
    Rollable display device 有权

    公开(公告)号：US11243636B1

    公开(公告)日：2022-02-08

    申请号：US17107137

    申请日：2020-11-30

    Applicant: STMicroelectronics Asia Pacific Pte Ltd.

    Inventor： Ju Hyun Son ,  Min Sang Kim ,  Yun Sang On ,  Sa Hyang Hong ,  Yong Hun Lee

    IPC: G06F3/045 ,  G06F3/041 ,  G06F1/16 ,  G06F3/044

    Abstract: A method for operating an electronic device includes: having a touch sensitive display configured to be rolled into or unrolled out of a first retainment structure along a first direction. The first retainment structure includes a conductive material disposed within the first retainment structure. The method includes unrolling or rolling the touch sensitive display to an unrolled position along the first direction; determining that the touch sensitive display is detecting contact at a plurality of mutual sensing locations using a mutual sensing process; determining that the touch sensitive display is detecting contact at a plurality self-sensing locations using a self-sensing process; determining a plurality of multi-mutual sensing locations based on multi-mutual sensing values obtained from a multi-mutual sensing process; and determining the unrolled position along the first direction based on the plurality of mutual sensing locations, the plurality self-sensing locations, and the plurality of multi-mutual sensing locations.

    Position detection in rollable displays
    7.
    发明授权
    Position detection in rollable displays 有权

    公开(公告)号：US11592932B2

    公开(公告)日：2023-02-28

    申请号：US17201956

    申请日：2021-03-15

    Applicant: STMicroelectronics Asia Pacific Pte Ltd.

    Inventor： Sa Hyang Hong ,  Sang Hoon Jeon ,  Yun Sang On ,  Min Sang Kim

    IPC: G06F3/044 ,  G06F3/041 ,  G09F9/30 ,  G06F1/16

    Abstract: A method for operating an electronic device, the method including: displacing a rollable touchscreen to a first position along a first direction, a first side of the rollable touchscreen being mounted in a housing, the rollable touchscreen being configured to be rolled into or unrolled out of the housing along the first direction, detecting an active electrode at a first location on the rollable touchscreen, the active electrode being mounted in the housing, and determining the first position of the rollable touchscreen based on the first location, the first positing being indicative of a fractional amount of the rollable touchscreen outside the housing.

    POSITION DETECTION IN ROLLABLE DISPLAYS
    8.
    发明申请
    POSITION DETECTION IN ROLLABLE DISPLAYS 有权

    公开(公告)号：US20220291800A1

    公开(公告)日：2022-09-15

    申请号：US17201956

    申请日：2021-03-15

    Applicant: STMicroelectronics Asia Pacific Pte Ltd.

    Inventor： Sa Hyang Hong ,  Sang Hoon Jeon ,  Yun Sang On ,  Min Sang Kim

    IPC: G06F3/041 ,  G06F3/044

    Abstract: A method for operating an electronic device, the method including: displacing a rollable touchscreen to a first position along a first direction, a first side of the rollable touchscreen being mounted in a housing, the rollable touchscreen being configured to be rolled into or unrolled out of the housing along the first direction, detecting an active electrode at a first location on the rollable touchscreen, the active electrode being mounted in the housing, and determining the first position of the rollable touchscreen based on the first location, the first positing being indicative of a fractional amount of the rollable touchscreen outside the housing.

    Strain gauge pattern to prevent variation due to temperature
    9.
    发明授权
    Strain gauge pattern to prevent variation due to temperature 有权

    公开(公告)号：US11353373B2

    公开(公告)日：2022-06-07

    申请号：US16887352

    申请日：2020-05-29

    Applicant: STMicroelectronics Asia Pacific Pte Ltd

    Inventor： Min Sang Kim ,  Chan Hyuck Yun ,  Sa Hyang Hong ,  Ju Hyun Son

    IPC: G01L1/00 ,  G01L1/22

    Abstract: A strain gauge includes first and second substrates spaced apart from one another. A first flexible printed circuit board portion is in contact with a top side of the first and second substrates, and has a first Wheatstone bridge formed therein. The first flexible printed circuit board portion positions the first Wheatstone bridge such that two resistors of the first Wheatstone bridge are positioned to span from the top side of the first substrate to the top side of the second substrate. A second flexible printed circuit board portion is in contact with a bottom side of the first and second substrates, and has a second Wheatstone bridge formed therein. The second flexible printed circuit board positions the second Wheatstone bridge such that two resistors of the second Wheatstone bridge are positioned to span from the bottom side of the first substrate to the bottom side of the second substrate.

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