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    Light Restriction Designs in Optical Sensing Applications Having Shared Windows
    2.
    发明申请
    Light Restriction Designs in Optical Sensing Applications Having Shared Windows 有权

    公开(公告)号：US20210161444A1

    公开(公告)日：2021-06-03

    申请号：US17175407

    申请日：2021-02-12

    Applicant: Apple Inc.

    Inventor： Guocheng Shao ,  Mathieu Charbonneau-Lefort ,  Ueyn L. Block

    IPC: A61B5/1455 ,  A61B5/024 ,  G01J1/04 ,  G02B3/08 ,  G02B5/22

    Abstract: This relates to an electronic device configured for optical sensing having shared windows and including light restriction designs. The light restriction designs can include one or more of optical layers, optical films, lenses, and window systems configured to reduce or eliminate crosstalk between optical components. A plurality of accepting sections and a plurality of blocking sections can be employed to selectively allow light having an angle of incidence within one or more acceptance viewing angles and block light with angles of incidence outside of the acceptance viewing angles. In some examples, the light restriction designs can include variations in optical and structural properties can allow the light restriction designs to have spatially varying acceptance angles. Variations in structural properties can include, but are not limited to, differences in widths, heights, and/or tilts of the accepting sections and/or blocking sections.

    Concentric architecture for optical sensing
    4.
    发明授权
    Concentric architecture for optical sensing 有权

    公开(公告)号：US11266320B2

    公开(公告)日：2022-03-08

    申请号：US16126970

    申请日：2018-09-10

    Applicant: Apple Inc.

    Inventor： Ueyn L. Block ,  Guocheng Shao ,  Itaru L. Hiromi ,  Mathieu Charbonneau-Lefort ,  Tobias J. Harrison-Noonan

    IPC: A61B5/024 ,  H01L25/16 ,  H01L31/0232 ,  H01L31/16 ,  A61B5/0295 ,  A61B5/1455 ,  A61B5/026 ,  A61B5/00

    Abstract: An electronic device including optical sensing with a concentric architecture and methods for operation thereof is disclosed. The concentric architecture can include light detector(s) arranged in a concentric manner around light emitter(s). In some examples, at least one light emitter can be located in the center of the device, and each light detector can be located the same separation distance from the light emitter. Each light detector can be arranged such that the separation distance from the centrally located light emitter can be greater than the separation distance from another light emitter. Examples of the disclosure further include a selective transparent layer overlaying the light detector(s). The selective transparent layer can include section(s) transparent to a first wavelength range and non-transparent to a second wavelength ranges. In some examples, the selective transparent layer can further include section(s) transparent to the second wavelength range.

    Light restriction designs in optical sensing applications having shared windows
    6.
    发明授权
    Light restriction designs in optical sensing applications having shared windows 有权

    公开(公告)号：US10918322B2

    公开(公告)日：2021-02-16

    申请号：US15874614

    申请日：2018-01-18

    Applicant: Apple Inc.

    Inventor： Guocheng Shao ,  Mathieu Charbonneau-Lefort ,  Ueyn L. Block

    IPC: A61B5/1455 ,  G01J1/04 ,  A61B5/024 ,  G02B3/08 ,  G02B5/22

    Abstract: This relates to an electronic device configured for optical sensing having shared windows and including light restriction designs. The light restriction designs can include one or more of optical layers, optical films, lenses, and window systems configured to reduce or eliminate crosstalk between optical components. A plurality of accepting sections and a plurality of blocking sections can be employed to selectively allow light having an angle of incidence within one or more acceptance viewing angles and block light with angles of incidence outside of the acceptance viewing angles. In some examples, the light restriction designs can include variations in optical and structural properties can allow the light restriction designs to have spatially varying acceptance angles. Variations in structural properties can include, but are not limited to, differences in widths, heights, and/or tilts of the accepting sections and/or blocking sections.

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