公开(公告)号：US20180284460A1

公开(公告)日：2018-10-04

申请号：US15928015

申请日：2018-03-21

Applicant: Magic Leap, Inc.

Inventor： Hui-Chuan Cheng ,  Chulwoo Oh ,  Clinton Carlisle ,  Michael Anthony Klug ,  William Molteni

IPC: G02B27/09 ,  G02B27/10 ,  G02B27/01

Abstract: Illuminations systems that separate different colors into laterally displaced beams may be used to direct different color image content into an eyepiece for displaying images in the eye. Such an eyepiece may be used, for example, for an augmented reality head mounted display. Illumination systems may be provided that utilize one or more waveguides to direct light from a light source towards a spatial light modulator. Light from the spatial light modulator may be directed towards an eyepiece. Some aspects of the invention provide for light of different colors to be outcoupled at different angles from the one or more waveguides and directed along different beam paths.

公开(公告)号：US12153209B2

公开(公告)日：2024-11-26

申请号：US17845396

申请日：2022-06-21

Applicant: Magic Leap, Inc.

Inventor： Ivan Li-Chuen Yeoh ,  Lionel Ernest Edwin ,  Barak Freedman ,  Vaibhav Mathur ,  Xiaoyang Zhang ,  Timothy Mark Dalrymple ,  Clinton Carlisle ,  Chulwoo Oh ,  Philip Premysler

IPC: G02B26/12 ,  F21V8/00 ,  G02B5/18 ,  G02B5/30 ,  G02B26/08 ,  G02B26/10 ,  G02B27/01 ,  G02B27/10 ,  G02B27/28

Abstract: A method for providing a composite field of view includes providing two or more input light beams to a scanning mirror and scanning the two or more input light beams using the scanning mirror to provide a plurality of reflected light beams at different angles. Each of the plurality of reflected light beams is configured to provide an image in a respective field of view. The method also includes receiving the plurality of reflected light beams in a waveguide and projecting a plurality of output light beams from the waveguide to form a projected image in the composite field of view. The composite field of view is larger than the respective field of view provided by each of the two or more input light beams.

公开(公告)号：US20240255796A1

公开(公告)日：2024-08-01

申请号：US18601808

申请日：2024-03-11

Applicant: Magic Leap, Inc.

Inventor： Chulwoo Oh ,  Ravi Kumar Komanduri ,  Roy Matthew Patterson ,  Charles Scott Carden ,  Michael Nevin Miller ,  Vikramjit Singh

IPC: G02F1/1335 ,  G02B1/00 ,  G02B5/18 ,  G02B5/30 ,  G02B6/12 ,  G02B6/122 ,  G02B27/01 ,  G02F1/1337 ,  G06T19/00 ,  G06V20/20 ,  G09G3/00 ,  G09G5/00 ,  G09G5/14

CPC classification number: G02F1/133526 ,  G02B1/00 ,  G02B5/1833 ,  G02B5/30 ,  G02B6/12 ,  G02B6/122 ,  G02B27/0172 ,  G02F1/133528 ,  G02F1/1337 ,  G06T19/006 ,  G06V20/20 ,  G09G3/002 ,  G09G3/003 ,  G09G5/00 ,  G09G5/14

Abstract: A display device comprises a waveguide configured to guide light in a lateral direction parallel to an output surface of the waveguide. The waveguide is further configured to outcouple the guided light through the output surface. The display device additionally comprises a broadband adaptive lens assembly configured to incouple and to diffract therethrough the outcoupled light from the waveguide. The broadband adaptive lens assembly comprises a first waveplate lens comprising a liquid crystal (LC) layer arranged such that the waveplate lens has birefringence (Δn) that varies in a radially outward direction from a central region of the first waveplate lens and configured to diffract the outcoupled light at a diffraction efficiency greater than 90% within a wavelength range including at least 450 nm to 630 nm. The broadband adaptive lens assembly is configured to be selectively switched between a plurality of states having different optical powers.

公开(公告)号：US20240248313A1

公开(公告)日：2024-07-25

申请号：US18624795

申请日：2024-04-02

Applicant: Magic Leap, Inc.

Inventor： Ravi Kumar Komanduri ,  Chulwoo Oh

IPC: G02B27/01 ,  C12Q1/6844 ,  G02F1/1335 ,  G02F1/13363 ,  G06T19/00

CPC classification number: G02B27/0172 ,  C12Q1/6844 ,  G06T19/006 ,  G02F1/133526 ,  G02F1/13363

Abstract: The present disclosure relates to display systems and, more particularly, to augmented reality display systems an related methods. In one aspect, an adaptive lens assembly includes a lens stack configured to exert polarization-dependent optical power to linearly polarized light. The lens stack includes a birefringent lens and an isotropic lens contacting each other to form a conformal interface therebetween. The adaptive lens assembly is configured to be selectively switched between a plurality of states having different optical powers.

公开(公告)号：US12038587B2

公开(公告)日：2024-07-16

申请号：US18160900

申请日：2023-01-27

Applicant: Magic Leap, Inc.

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

IPC: G02B27/01 ,  F21V8/00 ,  G02B5/30 ,  G02B27/00 ,  G02B27/14 ,  G02B30/26 ,  G02F1/137 ,  G03B21/00 ,  G06F3/01 ,  G06T19/00 ,  G09G3/24 ,  G02B30/52 ,  G03B21/20 ,  G06F3/0482 ,  G06V20/20 ,  G09G3/02 ,  H04N13/00 ,  H04N13/239 ,  H04N13/279 ,  H04N13/344

CPC classification number: G02B27/0172 ,  G02B5/3016 ,  G02B6/0076 ,  G02B27/0093 ,  G02B27/0103 ,  G02B27/141 ,  G02B30/26 ,  G02F1/137 ,  G03B21/00 ,  G06F3/012 ,  G06T19/00 ,  G09G3/24 ,  G02B6/005 ,  G02B2027/0123 ,  G02B2027/0134 ,  G02B2027/0138 ,  G02B2027/014 ,  G02B2027/0174 ,  G02B27/0176 ,  G02B2027/0178 ,  G02B2027/0187 ,  G02B30/52 ,  G03B21/208 ,  G06F3/013 ,  G06F3/0482 ,  G06T19/006 ,  G06V20/20 ,  G09G3/025 ,  H04N2013/0081 ,  H04N13/239 ,  H04N13/279 ,  H04N13/344

Abstract: An optical device may include a 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. 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 light coupled into the light turning element may be reflected by the end reflector and/or reflected from the second surface towards the first surface.

公开(公告)号：US20240126090A1

公开(公告)日：2024-04-18

申请号：US18493429

申请日：2023-10-24

Applicant: Magic Leap, Inc.

Inventor： Asif Sinay ,  Barak Freedman ,  Michael Anthony Klug ,  Chulwoo Oh ,  Nizan Meitav

IPC: G02B27/01 ,  G02B27/00 ,  G02B27/28 ,  G06F3/01 ,  G06T19/00

CPC classification number: G02B27/0172 ,  G02B27/0081 ,  G02B27/0093 ,  G02B27/283 ,  G06F3/013 ,  G06T19/006 ,  G02B2027/0125 ,  G02B2027/0138 ,  G02B2027/014 ,  G02B2027/0178 ,  G02B2027/0185

Abstract: Head mounted display systems configured to project light to an eye of a user to display augmented reality image content in a vision field of the user are disclosed. In embodiments, the system includes a frame configured to be supported on a head of the user, an image projector configured to project images into the user's eye, a camera coupled to the frame, a waveguide optically coupled to the camera, an optical coupling optical element me, an out-coupling element configured to direct light emitted from the waveguide to the camera, and a first light source configured to direct light to the user's eye through the waveguide. Electronics control the camera to capture images periodically and farther control the first light source to pulse in time with the camera such that light emitted by the light source has a reduced intensity when the camera is not capturing images.

公开(公告)号：US11941881B2

公开(公告)日：2024-03-26

申请号：US17320090

申请日：2021-05-13

Applicant: Magic Leap, Inc.

Inventor： Ravi Kumar Komanduri ,  Chulwoo Oh ,  Kevin Messer ,  Ioannis Papadopoulos

IPC: G06V20/20 ,  G02B27/01 ,  G06F18/10 ,  G06F18/21 ,  G06F18/22 ,  G06N20/00 ,  G06T3/00 ,  G06V20/62

CPC classification number: G06V20/20 ,  G02B27/0172 ,  G06F18/10 ,  G06F18/217 ,  G06F18/22 ,  G06N20/00 ,  G06T3/0093 ,  G06V20/62 ,  G02B2027/0114 ,  G02B2027/0134

Abstract: A pupil separation system includes an input surface, a central portion including a set of dichroic mirrors, a first reflective surface disposed laterally with respect to the central portion, and a second reflective surface disposed laterally with respect to the central portion. The pupil separation system also includes an exit face including a central surface operable to transmit light in a first wavelength range, a first peripheral surface adjacent the central surface and operable to transmit light in a second wavelength range, and a second peripheral surface adjacent the central surface and opposite to the first peripheral surface. The second peripheral surface is operable to transmit light in a third wavelength range.

公开(公告)号：US11754840B2

公开(公告)日：2023-09-12

申请号：US17385554

申请日：2021-07-26

Applicant: Magic Leap, Inc.

Inventor： Chunyu Gao ,  Chulwoo Oh ,  Michael Anthony Klug ,  Evyatar Bluzer

IPC: G02B27/01 ,  H04N13/383 ,  H04N13/332 ,  H04N13/344 ,  G02B27/00 ,  F21V8/00 ,  G06T19/00

CPC classification number: G02B27/0172 ,  G02B27/0093 ,  G02B27/0179 ,  G06T19/006 ,  H04N13/332 ,  H04N13/344 ,  H04N13/383 ,  G02B6/0076 ,  G02B2027/0123 ,  G02B2027/0127 ,  G02B2027/0134 ,  G02B2027/0138 ,  G02B2027/0178 ,  G02B2027/0185 ,  G02B2027/0187 ,  H04N2213/001

Abstract: Examples of eye-imaging apparatus using diffractive optical elements are provided. For example, an optical device comprises a substrate having a proximal surface and a distal surface, a first coupling optical element disposed on one of the proximal and distal surfaces of the substrate, and a second coupling optical element disposed on one of the proximal and distal surfaces of the substrate and offset from the first coupling optical element. The first coupling optical element can be configured to deflect light at an angle to totally internally reflect (TIR) the light between the proximal and distal surfaces and toward the second coupling optical element, and the second coupling optical element can be configured to deflect at an angle out of the substrate. The eye-imaging apparatus can be used in a head-mounted display such as an augmented or virtual reality display.

公开(公告)号：US11733523B2

公开(公告)日：2023-08-22

申请号：US17278629

申请日：2019-09-25

Applicant: Magic Leap, Inc.

Inventor： Asif Sinay ,  Nizan Meitav ,  Chulwoo Oh ,  Barak Freedman ,  Michael Anthony Klug ,  Adam Charles Carlson

IPC: G09G5/00 ,  G02B27/01

CPC classification number: G02B27/0172 ,  G02B2027/0107 ,  G02B2027/0138 ,  G02B2027/0178 ,  G02B2027/0187

Abstract: A head mounted display system can include a camera, at least one waveguide, at least one coupling optical element that is configured such that light is coupled into said waveguide and guided therein, and at least one out-coupling element. The at least one out-coupling element can be configured to couple light that is guided within said waveguide out of said waveguide and direct said light to said camera. The at least one coupling element may comprise a diffractive optical element having optical power.

公开(公告)号：US11668989B2

公开(公告)日：2023-06-06

申请号：US17673587

申请日：2022-02-16

Applicant: Magic Leap, Inc.

Inventor： Chulwoo Oh

IPC: G02F1/137 ,  G02F1/29 ,  G02F1/1335 ,  G02F1/01 ,  G02B27/01 ,  G06F3/038

CPC classification number: G02F1/13718 ,  G02B27/0172 ,  G02F1/011 ,  G02F1/133504 ,  G02F1/29 ,  G02F1/292 ,  G06F3/038 ,  G02B2027/0134 ,  G02B2027/0185 ,  G02F2201/343

Abstract: Examples of diffractive devices comprise a cholesteric liquid crystal (CLC) layer comprising a plurality of chiral structures, wherein each chiral structure comprises a plurality of liquid crystal molecules that extend in a layer depth direction by at least a helical pitch and are successively rotated in a first rotation direction. Arrangements of the liquid crystal molecules of the chiral structures vary periodically in a lateral direction perpendicular to the layer depth direction to provide a diffraction grating. The diffractive devices can be configured to reflect light having a particular wavelength range and sense of circular polarization. The diffractive devices can be used in waveguides and imaging systems in augmented or virtual reality systems.