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    Augmented reality display having multi-element adaptive lens for changing depth planes
    22.
    发明授权
    Augmented reality display having multi-element adaptive lens for changing depth planes 有权

    公开(公告)号：US12228736B2

    公开(公告)日：2025-02-18

    申请号：US18200327

    申请日：2023-05-22

    Applicant: Magic Leap, Inc.

    Inventor： Jason Schaefer ,  Hui-Chuan Cheng ,  David Manly ,  Jahja I. Trisnadi ,  Clinton Carlisle ,  Michael Anthony Klug

    IPC: G02B27/01 ,  G02F1/01 ,  G02F1/13 ,  G02F1/29 ,  G02F1/1337

    Abstract: In some embodiments, an augmented reality system includes at least one waveguide that is configured to receive and redirect light toward a user, and is further configured to allow ambient light from an environment of the user to pass therethrough toward the user. The augmented reality system also includes a first adaptive lens assembly positioned between the at least one waveguide and the environment, a second adaptive lens assembly positioned between the at least one waveguide and the user, and at least one processor operatively coupled to the first and second adaptive lens assemblies. Each lens assembly of the augmented reality system is selectively switchable between at least two different states in which the respective lens assembly is configured to impart at least two different optical powers to light passing therethrough, respectively. The at least one processor is configured to cause the first and second adaptive lens assemblies to synchronously switch between different states in a manner such that the first and second adaptive lens assemblies impart a substantially constant net optical power to ambient light from the environment passing therethrough.

    Low-profile beam splitter
    28.
    发明授权
    Low-profile beam splitter 有权

    公开(公告)号：US11480861B2

    公开(公告)日：2022-10-25

    申请号：US17131373

    申请日：2020-12-22

    Applicant: Magic Leap, Inc.

    Inventor： Jahja Trisnadi ,  Pierre St. Hilaire ,  Hui-Chuan Cheng ,  Clinton Carlisle ,  Michael Anthony Klug ,  Kevin Richard Curtis

    IPC: G03B21/20 ,  G02B27/10 ,  G03B21/00 ,  G02B27/09 ,  G02B27/01 ,  G02B26/10 ,  G06K9/00 ,  G06V40/19 ,  G06V20/20

    Abstract: Examples of light projector systems and methods of use. A method can include providing an optical device having a first surface, a second surface normal to the first surface, and a third surface arranged at an angle to the second surface. The third surface can be reflective to light of a first state and transmissive to light of a second state. An input beam having the first state can be normally incident on the first surface. A transmissive diffractive optical element on the first surface can convert the input beam into at least a first diffracted beam directed toward the third surface, where it is reflected by the third surface in a direction substantially parallel to the first surface. The reflected first diffracted beam can be modulated with image information using a spatial light modulator to produce a modulated light beam having the second state.

    AUGMENTED REALITY DISPLAY HAVING MULTI-ELEMENT ADAPTIVE LENS FOR CHANGING DEPTH PLANES
    29.
    发明申请
    AUGMENTED REALITY DISPLAY HAVING MULTI-ELEMENT ADAPTIVE LENS FOR CHANGING DEPTH PLANES 有权

    公开(公告)号：US20220137418A1

    公开(公告)日：2022-05-05

    申请号：US17576555

    申请日：2022-01-14

    Applicant: Magic Leap, Inc.

    Inventor： Jason Schaefer ,  Hui-Chuan Cheng ,  David Manly ,  Jahja I. Trisnadi ,  Clinton Carlisle ,  Michael Anthony Klug

    IPC: G02B27/01 ,  G02F1/29 ,  G02F1/01 ,  G02F1/13

    Abstract: In some embodiments, an augmented reality system includes at least one waveguide that is configured to receive and redirect light toward a user, and is further configured to allow ambient light from an environment of the user to pass therethrough toward the user. The augmented reality system also includes a first adaptive lens assembly positioned between the at least one waveguide and the environment, a second adaptive lens assembly positioned between the at least one waveguide and the user, and at least one processor operatively coupled to the first and second adaptive lens assemblies. Each lens assembly of the augmented reality system is selectively switchable between at least two different states in which the respective lens assembly is configured to impart at least two different optical powers to light passing therethrough, respectively. The at least one processor is configured to cause the first and second adaptive lens assemblies to synchronously switch between different states in a manner such that the first and second adaptive lens assemblies impart a substantially constant net optical power to ambient light from the environment passing therethrough.

    METHODS, DEVICES, AND SYSTEMS FOR ILLUMINATING SPATIAL LIGHT MODULATORS
    30.
    发明申请
    METHODS, DEVICES, AND SYSTEMS FOR ILLUMINATING SPATIAL LIGHT MODULATORS 有权

    公开(公告)号：US20220082837A1

    公开(公告)日：2022-03-17

    申请号：US17456083

    申请日：2021-11-22

    Applicant: Magic Leap, Inc.

    Inventor： Hui-Chuan Cheng ,  Hyunsun Chung ,  Jahja I. Trisnadi ,  Clinton Carlisle ,  Kevin Richard Curtis ,  Chulwoo Oh

    IPC: G02B27/01 ,  G02B27/14 ,  G03B21/00 ,  G06T19/00 ,  G09G3/24 ,  G02B30/26 ,  G02B27/00 ,  G06F3/01 ,  G02B5/30 ,  F21V8/00 ,  G02F1/137

    Abstract: An optical device comprising may include a wedge-shaped light turning element. The optical device can include a first surface that is parallel to a horizontal axis and a second surface opposite to the first surface that is inclined with respect to the horizontal axis by a wedge angle. The optical device may include a light module that includes a plurality of light emitters. The light module can be configured to combine light for the plurality of emitters. The optical device can further include a light input surface that is between the first and the second surfaces and is disposed with respect to the light module to receive light emitted from the plurality of emitters. The optical device may include an end reflector that is disposed on a side opposite the light input surface. The second surface may be inclined such that a height of the light input surface is less than a height of the side opposite the light input surface. The light coupled into the wedge-shaped light turning element may be reflected by the end reflector and/or reflected from the second surface towards the first surface.

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