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    Behind display polarized optical transceiver
    1.
    发明授权
    Behind display polarized optical transceiver 有权

    公开(公告)号：US11487859B2

    公开(公告)日：2022-11-01

    申请号：US16945174

    申请日：2020-07-31

    Applicant: Apple Inc.

    Inventor： Tong Chen ,  Mark T. Winkler ,  Ruonan Yang ,  Tsu-Hui Lin ,  Wenrui Cai ,  Xiao Xiang

    IPC: G06F21/32 ,  G02F1/1335 ,  G06F3/041 ,  G02F1/13363 ,  G06F1/16

    Abstract: Configurations for display stacks of an electronic device and methods for mitigating crosstalk are disclosed. The display stack may include a transceiver module, which may be located under or behind the display. The transceiver module may include a transmitter module, which may provide polarized light from the transmitter that may suppress module crosstalk. The transceiver module also may include a receiver module, which may include polarization control elements and an analyzer for differentiating between a target signal and a crosstalk signal. The polarization control on both the transmitter module and receiver module sides may suppress the crosstalk signals, which may be due to the reflections between and within the elements of the display stack and resulting from positioning the transceiver module behind the display.

    Display stack topologies for under-display optical transceivers
    3.
    发明授权
    Display stack topologies for under-display optical transceivers 有权

    公开(公告)号：US11592873B2

    公开(公告)日：2023-02-28

    申请号：US16791905

    申请日：2020-02-14

    Applicant: Apple Inc.

    Inventor： Xiao Xiang ,  Tong Chen ,  Fan Gui ,  Mark T. Winkler ,  Ran Tu ,  Tsu-Hui Lin ,  Wenrui Cai ,  Yun Wang

    IPC: G06F1/16 ,  G06F3/042 ,  G06F3/041

    Abstract: In some embodiments, a display stack includes a set of light-emitting elements, and a display backplane that includes a set of conductors and is electrically coupled to the set of light-emitting elements. A conductor in the set of conductors has a length, and a curved edge extending along at least a portion of the length. In some embodiments, a display stack includes a set of light-emitting elements; a set of transistors, electrically coupled to the set of light-emitting elements; and a set of conductors, electrically coupled to the set of transistors. The set of transistors may be electrically coupled to the set of conductors at a set of conductive pads. A plurality of conductive pads in the set of conductive pads is coupled to a single conductor in the set of conductors. The single conductor approaches different conductive pads in the plurality of conductive pads at different angles.

    Particulate matter sensors for portable electronic devices
    4.
    发明授权
    Particulate matter sensors for portable electronic devices 有权

    公开(公告)号：US10788308B2

    公开(公告)日：2020-09-29

    申请号：US16518888

    申请日：2019-07-22

    Applicant: Apple Inc.

    Inventor： Mehmet Mutlu ,  James J. Dudley ,  Mark T. Winkler ,  Wenrui Cai

    IPC: G01B9/02

    Abstract: Aspects of the subject technology relate to particulate matter sensors for electronic devices. A particulate matter sensor may include three lasers, three total-internal-reflection lenses, and three detectors for detecting changes in the operation of the three lasers due to the principles of self-mixing interferometry. The three total-internal-reflection lenses may use internally reflective surfaces to tilt the three beams into three corresponding directions that form an orthogonal basis in the three dimensional space, so that a gas flow speed can be determined while maintaining a small, modular form factor for implementation of the sensor in portable electronic devices.

    Self-mixing optical proximity sensors for electronic devices
    7.
    发明授权
    Self-mixing optical proximity sensors for electronic devices 有权

    公开(公告)号：US11029442B2

    公开(公告)日：2021-06-08

    申请号：US16351843

    申请日：2019-03-13

    Applicant: Apple Inc.

    Inventor： Mehmet Mutlu ,  Mark T. Winkler ,  Tong Chen ,  Wenrui Cai

    IPC: G01V8/10 ,  G01V8/12 ,  H04R1/02 ,  H04R29/00 ,  G06F3/041

    Abstract: An electronic device may have optical sensors. Control circuitry may use sensor measurements in controlling adjustable components and taking other actions. The optical sensors may be self-mixing sensors such as incoherent self-mixing sensors. One or more sensors may be used in gathering sensor measurements. In configurations in which an electronic device contain multiple self-mixing sensors, multi-wavelength measurements can be gathered using incoherent light sources in the sensors that operate a set of different wavelengths. The light source of each incoherent self-mixing sensor may be a superluminescent light-emitting diode, a resonant cavity light-emitting diode, or other amplified or non-amplified spontaneous emission source. Optical systems such as lenses in a housing for an electronic device may be aligned with the self-mixing sensors. Self-mixing sensors may serve as proximity sensors, sensors for detecting touch input, sensors for measuring spectrums associated with targets of unknown materials, displacement sensors, or other sensors.

    Optical tracking system
    9.
    发明授权
    Optical tracking system 有权

    公开(公告)号：US11762193B2

    公开(公告)日：2023-09-19

    申请号：US16538702

    申请日：2019-08-12

    Applicant: Apple Inc.

    Inventor： Tong Chen ,  Wenrui Cai ,  Mark T. Winkler

    IPC: G02B26/10 ,  G02B26/08 ,  G02B19/00 ,  G01S7/481 ,  G01S17/42

    CPC classification number: G02B26/10 ,  G02B19/0052 ,  G02B19/0071 ,  G02B26/0816 ,  G02B26/105 ,  G01S7/4817 ,  G01S17/42

    Abstract: An electronic device includes an electromagnetic radiation source having an axis, a set of optics disposed about the axis, a reflector disposed about the axis non-symmetrically, and a controller configured to operate the electromagnetic radiation source while controlling a beam steering orientation (e.g., rotation) of the reflector. The reflector is disposed to reflect electromagnetic radiation emitted by the electromagnetic radiation source. The set of optics is disposed to shape electromagnetic radiation emitted by the electromagnetic radiation source and direct electromagnetic radiation received from the reflector into a panoramic field of view about the axis.

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