Tunable blazed grating
    1.
    发明申请

    公开(公告)号:US20220317468A1

    公开(公告)日:2022-10-06

    申请号:US17581926

    申请日:2022-01-23

    Applicant: APPLE INC.

    Abstract: Apparatus for deflection of a beam of light includes a case, which is configured to be positioned in a path of the beam, and a liquid, which is contained within the case. An array of plates is disposed across a surface of the liquid. The plates are configured to rotate on the surface about respective axes, which are mutually parallel and are spaced apart by a predefined pitch. An actuator is configured to drive a rotation of the plates about the respective axes so as deflect the beam that is incident on the plates.

    Tunable diffractive optics
    3.
    发明申请

    公开(公告)号:US20210373210A1

    公开(公告)日:2021-12-02

    申请号:US17228740

    申请日:2021-04-13

    Applicant: Apple Inc.

    Abstract: An optical component includes a substrate and a piezoelectric film formed on the substrate and configured to deform in response to an actuation voltage applied thereto into a pattern of peaks and troughs configured to deflect optical radiation that is incident thereon. The pattern has an amplitude determined by the actuation voltage.

    Electrostatic actuation for diffractive optical devices

    公开(公告)号:US12222491B2

    公开(公告)日:2025-02-11

    申请号:US17581928

    申请日:2022-01-23

    Applicant: APPLE INC.

    Abstract: An optical device includes first and second planar substrates having respective first and second faces and including first and second diffractive structure disposed respectively on the first and second faces. First and second planar electrodes are disposed respectively on the first and second faces. A mount holds the second planar substrate parallel to the first planar substrate, with the second face adjacent to the first face and with the first and second planar electrodes in mutual proximity, while permitting the second planar substrate to move transversely relative to the first planar substrate. A control circuit is coupled to apply an electrical potential between the first and second planar electrodes with a voltage sufficient to shift the second diffractive structure transversely relative to the first diffractive structure.

    Electrostatic actuation for diffractive optical devices

    公开(公告)号:US20220382042A1

    公开(公告)日:2022-12-01

    申请号:US17581928

    申请日:2022-01-23

    Applicant: APPLE INC.

    Abstract: An optical device includes first and second planar substrates having respective first and second faces and including first and second diffractive structure disposed respectively on the first and second faces. First and second planar electrodes are disposed respectively on the first and second faces. A mount holds the second planar substrate parallel to the first planar substrate, with the second face adjacent to the first face and with the first and second planar electrodes in mutual proximity, while permitting the second planar substrate to move transversely relative to the first planar substrate. A control circuit is coupled to apply an electrical potential between the first and second planar electrodes with a voltage sufficient to shift the second diffractive structure transversely relative to the first diffractive structure.

    Tunable diffractive optics
    6.
    发明授权

    公开(公告)号:US12085740B2

    公开(公告)日:2024-09-10

    申请号:US17228740

    申请日:2021-04-13

    Applicant: Apple Inc.

    CPC classification number: G02B5/1828 G02B27/4233

    Abstract: An optical component includes a substrate and a piezoelectric film formed on the substrate and configured to deform in response to an actuation voltage applied thereto into a pattern of peaks and troughs configured to deflect optical radiation that is incident thereon. The pattern has an amplitude determined by the actuation voltage.

    Electronic Devices with Liquid Lenses
    7.
    发明公开

    公开(公告)号:US20230258944A1

    公开(公告)日:2023-08-17

    申请号:US18309593

    申请日:2023-04-28

    Applicant: Apple Inc.

    CPC classification number: G02B27/0172 G02B3/14 G02B26/004

    Abstract: A head-mounted device may have lenses. A user may view images through the lenses from eye boxes. The lenses may be tunable liquid lenses. Each lens may have a lens chamber. The lens chamber of the lens may have rigid and/or flexible walls that form optical lens surfaces. Actuators and/or pump and reservoir systems may deform the lens surfaces in response to control signals from a control circuit to tune the lens. Each liquid lens may have oil or other liquid in the lens chamber for that lens. Inorganic dielectric particles or other refractive-index-adjustment particles may be used to adjust the refractive index of the lens. The particles may be subwavelength in size.

    Tunable blazed grating
    8.
    发明授权

    公开(公告)号:US11550163B2

    公开(公告)日:2023-01-10

    申请号:US17581926

    申请日:2022-01-23

    Applicant: APPLE INC.

    Abstract: Apparatus for deflection of a beam of light includes a case, which is configured to be positioned in a path of the beam, and a liquid, which is contained within the case. An array of plates is disposed across a surface of the liquid. The plates are configured to rotate on the surface about respective axes, which are mutually parallel and are spaced apart by a predefined pitch. An actuator is configured to drive a rotation of the plates about the respective axes so as deflect the beam that is incident on the plates.

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