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    METHOD AND SYSTEM FOR FIBER SCANNING PROJECTOR WITH ANGLED EYEPIECE
    1.
    发明申请
    METHOD AND SYSTEM FOR FIBER SCANNING PROJECTOR WITH ANGLED EYEPIECE 有权

    公开(公告)号：US20250020940A1

    公开(公告)日：2025-01-16

    申请号：US18900077

    申请日：2024-09-27

    Applicant: Magic Leap, Inc.

    Inventor： Brian T. Schowengerdt ,  Mathew D. Watson

    IPC: G02B27/42 ,  G02B26/10 ,  G02B27/01 ,  G03B21/14

    Abstract: A wearable display system includes a fiber scanner including an optical fiber and a scanning mechanism configured to scan a tip of the optical fiber along an emission trajectory defining an optical axis. The wearable display system also includes an eyepiece positioned in front of the tip of the optical fiber and including a planar waveguide, an incoupling diffractive optical element (DOE) coupled to the planar waveguide, and an outcoupling DOE coupled to the planar waveguide. The wearable display system further includes a collimating optical element configured to receive light reflected by the incoupling DOE and collimate and reflect light toward the eyepiece.

    Augmented reality systems and methods with variable focus lens elements
    6.
    发明授权
    Augmented reality systems and methods with variable focus lens elements 有权

    公开(公告)号：US11614626B2

    公开(公告)日：2023-03-28

    申请号：US17461732

    申请日：2021-08-30

    Applicant: Magic Leap, Inc.

    Inventor： Samuel A. Miller ,  Paul M. Greco ,  Brian T. Schowengerdt

    IPC: G02B27/01 ,  G06F3/01 ,  G02C11/00 ,  G02B27/00 ,  G06F1/16 ,  G06F3/03 ,  G02F1/1335 ,  G02F1/29

    Abstract: An augmented reality display system includes a pair of variable focus lens elements that sandwich a waveguide stack. One of the lens elements is positioned between the waveguide stack and a user's eye to correct for refractive errors in the focusing of light projected from the waveguide stack to that eye. The lens elements may also be configured to provide appropriate optical power to place displayed virtual content on a desired depth plane. The other lens element is between the ambient environment and the waveguide stack, and is configured to provide optical power to compensate for aberrations in the transmission of ambient light through the waveguide stack and the lens element closest to the eye. In addition, an eye-tracking system monitors the vergence of the user's eyes and automatically and continuously adjusts the optical powers of the pair of lens elements based on the determined vergence of those eyes.

    Augmented and virtual reality display systems with correlated in-coupling and out-coupling optical regions for efficient light utilization in at least one waveguide
    7.
    发明授权
    Augmented and virtual reality display systems with correlated in-coupling and out-coupling optical regions for efficient light utilization in at least one waveguide 有权

    公开(公告)号：US11543666B2

    公开(公告)日：2023-01-03

    申请号：US17326833

    申请日：2021-05-21

    Applicant: Magic Leap, Inc.

    Inventor： Brian T. Schowengerdt

    IPC: G02B27/01 ,  F21V8/00

    Abstract: Augmented reality and virtual reality display systems and devices are configured for efficient use of projected light. In some aspects, a display system includes a light projection system and a head-mounted display configured to project light into an eye of the user to display virtual image content. The head-mounted display includes at least one waveguide comprising a plurality of in-coupling regions each configured to receive, from the light projection system, light corresponding to a portion of the user's field of view and to in-couple the light into the waveguide; and a plurality of out-coupling regions configured to out-couple the light out of the waveguide to display the virtual content, wherein each of the out-coupling regions are configured to receive light from different ones of the in-coupling regions. In some implementations, each in-coupling region has a one-to-one correspondence with a unique corresponding out-coupling region.

    Methods and systems for fabrication of shaped fiber elements for scanning fiber displays
    9.
    发明授权
    Methods and systems for fabrication of shaped fiber elements for scanning fiber displays 有权

    公开(公告)号：US11442227B2

    公开(公告)日：2022-09-13

    申请号：US17076510

    申请日：2020-10-21

    Applicant: Magic Leap, Inc.

    Inventor： Brian T. Schowengerdt ,  Mathew D. Watson ,  Charles David Melville

    IPC: G02B6/26 ,  C03C25/68 ,  G02B6/255 ,  G02B26/10

    Abstract: A fiber optic element of a fiber scanning system includes a motion actuator having longitudinal side members, an internal orifice, a first support region, a central region, and a second support region. The fiber optic element also includes a first fiber optic cable passing through the internal orifice and having a first fiber joint as well as a second fiber optic cable passing through the internal orifice. The second fiber optic cable has a second fiber joint disposed in the central region and spliced to the first fiber joint, a second coupling region, a light delivery region, and a light emission tip. The light delivery region is characterized by a first diameter and the light emission tip is characterized by a second diameter less than the first diameter.

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