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公开(公告)号：US20240248363A1
公开(公告)日：2024-07-25
申请号：US18626181
申请日：2024-04-03
Applicant: Magic Leap, Inc.
Inventor： Chulwoo Oh
CPC classification number: G02F1/137 , G02B6/0026 , G02B6/0055 , G02B6/0056 , G02B6/0076 , G02B6/0088 , G02B26/0825 , G02B27/0172 , G02F1/13306 , G02F1/13718 , G02F1/29 , G02F2203/07
Abstract: Example display devices include a waveguide configured to propagate visible light under total internal reflection in a direction parallel to a major surface of the waveguide. The waveguide has formed thereon an outcoupling element configured to outcouple a portion of the visible light in a direction normal to the major surface of the waveguide. The example display devices additionally include a cholesteric liquid crystal (CLC) reflector disposed on a forward side of said waveguides, said CLC reflector configured to have an optical power or a depth of focus that is adjustable upon application of an electrical signal. The outcoupling element is disposed to extract light from the waveguide and direct at least a portion of said light propagating within said waveguide to the CLC reflector, said light being directed from said CLC reflector back through said waveguide and into said eye to present an image from the optical display into the eye of the wearer.
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公开(公告)号：US12044952B2
公开(公告)日：2024-07-23
申请号：US18179779
申请日：2023-03-07
Applicant: Magic Leap, Inc.
Inventor： Chulwoo Oh
IPC: G02F1/365 , G02B3/00 , G02F1/00 , G02F1/1335
CPC classification number: G02F1/365 , G02B3/00 , G02F1/0045 , G02F1/133528 , G02F1/133541 , G02F2201/30 , G02F2201/305 , G02F2201/307
Abstract: A two-dimensional waveguide light multiplexer is described herein that can efficiently multiplex and distribute a light signal in two dimensions. An example of a two-dimensional waveguide light multiplexer can include a waveguide, a first diffraction grating, and a second diffraction grating disposed above the first diffraction grating and arranged such that the grating direction of the first diffraction grating is perpendicular to the grating direction of the second diffraction grating. Methods of fabricating a two-dimensional waveguide light multiplexer are also disclosed.
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公开(公告)号：US20240193942A1
公开(公告)日：2024-06-13
申请号：US18582405
申请日：2024-02-20
Applicant: Magic Leap, Inc.
Inventor： Ravi Kumar Komanduri , Chulwoo Oh , Kevin Messer , Ioannis Papadopoulos
CPC classification number: G06V20/20 , G02B27/0172 , G06F18/10 , G06F18/217 , G06F18/22 , G06N20/00 , G06T3/18 , G06V20/62 , G02B2027/0114 , G02B2027/0134
Abstract: A pupil separation system includes an input surface and a central portion including one or more dichroic mirrors. The pupil separation system also includes a reflective surface disposed laterally with respect to the central portion and an output surface including a central surface operable to transmit light in a first wavelength range and a peripheral surface operable to transmit light in a second wavelength range different from the first wavelength range. The light in the second wavelength range is reflected by the one or more dichroic mirrors before being reflected by the reflective surface.
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公开(公告)号：US11982916B2
公开(公告)日：2024-05-14
申请号：US18207607
申请日：2023-06-08
Applicant: Magic Leap, Inc.
Inventor： Chulwoo Oh
CPC classification number: G02F1/137 , G02B6/0026 , G02B6/0055 , G02B6/0056 , G02B6/0076 , G02B6/0088 , G02B26/0825 , G02B27/0172 , G02F1/13306 , G02F1/13718 , G02F1/29 , G02F2203/07
Abstract: Example display devices include a waveguide configured to propagate visible light under total internal reflection in a direction parallel to a major surface of the waveguide. The waveguide has formed thereon an outcoupling element configured to outcouple a portion of the visible light in a direction normal to the major surface of the waveguide. The example display devices additionally include a polarization-selective notch reflector disposed on a first side of the waveguide and configured to reflect visible light having a first polarization while transmitting the portion of the visible light having a second polarization. The example display devices further include a polarization-independent notch reflector disposed on a second side of the waveguide and configured to reflect visible light having the first polarization and the second polarization, where the polarization-independent notch reflector is configured to convert a polarization of visible light reflecting therefrom.
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公开(公告)号：US11960165B2
公开(公告)日：2024-04-16
申请号：US17582845
申请日：2022-01-24
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.
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Patent Agency Ranking
公开(公告)号：US11885973B2
公开(公告)日：2024-01-30
申请号：US18067873
申请日：2022-12-19
Applicant: MAGIC LEAP, INC.
Inventor： Vaibhav Mathur , Joshua Naaman Haddock , Ted Diehl , Chulwoo Oh , Clinton Carlisle
IPC: G02F1/1333 , G02B27/01 , G02F1/1335 , G02F1/13363 , G02F1/1343 , G02F1/1368 , F21V8/00
CPC classification number: G02B27/0172 , G02F1/1368 , G02F1/13363 , G02F1/133305 , G02F1/133528 , G02F1/133553 , G02F1/134327 , G02B6/0075 , G02B2027/013 , G02B2027/014 , G02B2027/0178 , G02F1/133548 , G02F1/133634 , G02F1/133638 , G02F2201/121 , G02F2201/123 , G02F2201/343 , G02F2413/03 , G02F2413/07
Abstract: Techniques are described for operating an optical system. In some embodiments, light associated with a world object is received at the optical system. Virtual image light is projected onto an eyepiece of the optical system. A portion of a system field of view of the optical system to be at least partially dimmed is determined based on information detected by the optical system. A plurality of spatially-resolved dimming values for the portion of the system field of view may be determined based on the detected information. The detected information may include light information, gaze information, and/or image information. A dimmer of the optical system may be adjusted to reduce an intensity of light associated with the world object in the portion of the system field of view according to the plurality of dimming values.
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公开(公告)号：US20240012251A1
公开(公告)日：2024-01-11
申请号：US18470801
申请日：2023-09-20
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
CPC classification number: G02B27/0172 , G02B27/141 , G03B21/00 , G06T19/00 , G09G3/24 , G02B30/26 , G02B27/0093 , G06F3/012 , G02B5/3016 , G02B6/0076 , G02B27/0103 , G02F1/137 , G02B2027/0174 , G02B2027/0134 , G03B21/208
Abstract: An optical device 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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公开(公告)号：US20240012191A1
公开(公告)日：2024-01-11
申请号：US18471740
申请日：2023-09-21
Applicant: Magic Leap, Inc.
Inventor： Chulwoo Oh , Vikraman Parthiban
CPC classification number: G02B6/0016 , G02B6/10 , G02F1/292 , G02B27/0189 , H04N9/3129 , G02B27/0172 , G02B6/0076 , G02B27/0093 , G02B27/4261 , G02B5/1833 , G02B5/1842 , G02F2201/305 , G02F2203/22 , G02B2027/0185 , G02B2027/0187 , G02B2027/0134 , G02B2027/0123 , G02B2027/0127
Abstract: In one aspect, an optical device comprises a plurality of waveguides formed over one another and having formed thereon respective diffraction gratings, wherein the respective diffraction gratings are configured to diffract visible light incident thereon into respective waveguides, such that visible light diffracted into the respective waveguides propagates therewithin. The respective diffraction gratings are configured to diffract the visible light into the respective waveguides within respective field of views (FOVs) with respect to layer normal directions of the respective waveguides. The respective FOVs are such that the plurality of waveguides are configured to diffract the visible light within a combined FOV that is continuous and greater than each of the respective FOVs
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89.发明授权公开(公告)号：US11841481B2
公开(公告)日：2023-12-12
申请号：US16138228
申请日：2018-09-21
Applicant: Magic Leap, Inc.
Inventor： Asif Sinay , Barak Freedman , Michael Anthony Klug , Chulwoo Oh , Nizan Meitav
CPC classification number: G02B27/0172 , G02B27/0081 , G02B27/0093 , G02B27/283 , G06F3/013 , G06T19/006 , G02B2027/014 , G02B2027/0125 , G02B2027/0138 , G02B2027/0178 , G02B2027/0185
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 camera can be disposed in an optical path with respect to said at least one out-coupling optical element to receive at least a portion of the light that is coupled into said waveguide via the coupling element and guided therein and that is coupled out from said waveguide by said out-coupling coupling element such that images may be captured by said camera.
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公开(公告)号：US11835723B2
公开(公告)日：2023-12-05
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 , G03B21/20 , G02B30/52 , G06V20/20 , H04N13/279 , H04N13/344 , H04N13/239 , G06F3/0482 , H04N13/00 , G09G3/02
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 , G02B27/0176 , G02B30/52 , G02B2027/014 , G02B2027/0123 , G02B2027/0134 , G02B2027/0138 , G02B2027/0174 , G02B2027/0178 , G02B2027/0187 , G03B21/208 , G06F3/013 , G06F3/0482 , G06T19/006 , G06V20/20 , G09G3/025 , H04N13/239 , H04N13/279 , H04N13/344 , H04N2013/0081
Abstract: An optical device 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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