公开(公告)号：US20210109433A1

公开(公告)日：2021-04-15

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

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.

公开(公告)号：US20200209459A1

公开(公告)日：2020-07-02

申请号：US16798236

申请日：2020-02-21

Applicant: Magic Leap, Inc.

Inventor： Kevin Curtis ,  Hui-Chuan Cheng ,  Paul M. Greco ,  William Hudson Welch ,  Eric C. Browy ,  Miller Schuck ,  Bradley Jay Sissom

IPC: F21V8/00 ,  G02B5/18 ,  H05K7/20 ,  G09G3/00 ,  G06F1/20 ,  G06F1/16 ,  G02C11/00 ,  G02C5/16 ,  G02B27/01 ,  H04N9/31 ,  G02B27/10 ,  G02B27/28 ,  G02B27/00 ,  G02B5/30 ,  G09G3/20 ,  G06F3/147 ,  G06F3/01 ,  G02B7/00

Abstract: An artifact mitigation system includes a projector assembly and a set of imaging optics optically coupled to the projector assembly. The artifact mitigation system also includes an eyepiece optically coupled to the set of imaging optics. The eyepiece includes a diffractive incoupling interface. The artifact mitigation system further includes an artifact prevention element disposed between the set of imaging optics and the eyepiece. The artifact prevention element includes a linear polarizer, a first quarter waveplate disposed adjacent the linear polarizer, and a color select component disposed adjacent the first quarter waveplate.

公开(公告)号：US10609363B2

公开(公告)日：2020-03-31

申请号：US15897001

申请日：2018-02-14

Applicant: Magic Leap, Inc.

Inventor： Hui-Chuan Cheng ,  Ivan Li Chuen Yeoh ,  Lionel Ernest Edwin

IPC: G02B27/28 ,  H04N13/332 ,  H01Q15/24 ,  H04N9/31 ,  G02F1/1335 ,  G02B27/01 ,  G02B5/30

Abstract: An eyepiece unit for projecting an image to an eye of a viewer includes an eyepiece having a world side and a viewer side opposite the world side. The eyepiece unit also includes a polarizer disposed adjacent the world side of the eyepiece. In an example, the polarizer comprises a wire grid polarizer. In some embodiments, the wire grid polarizer is operable to transmit p-polarized light and reflect s-polarized light. In some embodiments, the polarizer can include an absorptive polarizer.

公开(公告)号：US10371896B2

公开(公告)日：2019-08-06

申请号：US15849527

申请日：2017-12-20

Applicant: Magic Leap, Inc.

Inventor： Ivan Li Chuen Yeoh ,  Lionel Ernest Edwin ,  Hui-Chuan Cheng

IPC: G02B6/293 ,  F21V8/00 ,  G02B27/00 ,  G02B27/42 ,  G02B27/44 ,  G02B27/10 ,  G02B5/18

Abstract: An eyepiece for projecting an image to an eye of a viewer includes a first planar waveguide positioned in a first lateral plane, a second planar waveguide positioned in a second lateral plane adjacent the first lateral plane, and a third planar waveguide positioned in a third lateral plane adjacent the second lateral plane. The first waveguide includes a first diffractive optical element (DOE) coupled thereto and disposed at a lateral position. The second waveguide includes a second DOE coupled thereto and disposed at the lateral position. The third waveguide includes a third DOE coupled thereto and disposed at the lateral position. The eyepiece further includes a first optical filter disposed between the first waveguide and the second waveguide at the lateral position, and a second optical filter positioned between the second waveguide and the third waveguide at the lateral position.

公开(公告)号：US10234687B2

公开(公告)日：2019-03-19

申请号：US15819887

申请日：2017-11-21

Applicant: MAGIC LEAP, INC.

Inventor： William Hudson Welch ,  Robert D. Tekolste ,  Hyunsun Chung ,  Hui-Chuan Cheng

IPC: G02B27/01 ,  G06F3/01 ,  G02B3/14

Abstract: Configurations are disclosed for presenting virtual reality and augmented reality experiences to users. The system may comprise a spatial light modulator operatively coupled to an image source for projecting light associated with one or more frames of image data, and a variable focus element (VFE) for varying a focus of the projected light such that a first frame of image data is focused at a first depth plane, and a second frame of image data is focused at a second depth plane, and wherein a distance between the first depth plane and the second depth plane is fixed.

公开(公告)号：US20180335629A1

公开(公告)日：2018-11-22

申请号：US15927970

申请日：2018-03-21

Applicant: Magic Leap, Inc.

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

IPC: G02B27/01 ,  G02B27/00 ,  G02B27/22 ,  G06F3/01

CPC classification number: G02B27/0172 ,  F21V9/00 ,  G02B27/141 ,  G02B2027/0134 ,  G02B2027/0174 ,  G02F1/00 ,  G03B21/00 ,  G06T19/00 ,  G09G3/24

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.

公开(公告)号：US20180275410A1

公开(公告)日：2018-09-27

申请号：US15927808

申请日：2018-03-21

Applicant: Magic Leap, Inc.

Inventor： Ivan Li Chuen Yeoh ,  Lionel Ernest Edwin ,  Nicole Elizabeth Samec ,  Nastasja U. Robaina ,  Vaibhav Mathur ,  Tim Dalrymple ,  Jason Schaefer ,  Clinton Carlisle ,  Hui-Chuan Cheng ,  Chulwoo Oh ,  Philip Premysler ,  Xiaoyang Zhang ,  Adam Carlson

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

CPC classification number: G02B27/0172 ,  G02B27/0093 ,  G02B2027/0134 ,  G02B2027/0147 ,  G02B2027/0178 ,  G02B2027/0185 ,  G06T15/00 ,  G06T19/006 ,  G06T2210/36 ,  H04N13/279 ,  H04N13/341 ,  H04N13/344 ,  H04N13/383 ,  H04N13/395 ,  H04N13/398 ,  H04N2213/002

Abstract: Methods and systems for depth-based foveated rendering in the display system are disclosed. The display system may be an augmented reality display system configured to provide virtual content on a plurality of depth planes using different wavefront divergence. Some embodiments include monitoring eye orientations of a user of a display system based on detected sensor information. A fixation point is determined based on the eye orientations, the fixation point representing a three-dimensional location with respect to a field of view. Location information of virtual objects to present is obtained, with the location information indicating three-dimensional positions of the virtual objects. Resolutions of at least one virtual object is adjusted based on a proximity of the at least one virtual object to the fixation point. The virtual objects are presented to a user by display system with the at least one virtual object being rendered according to the adjusted resolution.

公开(公告)号：US20170212351A1

公开(公告)日：2017-07-27

申请号：US15399548

申请日：2017-01-05

Applicant: Magic Leap, Inc.

Inventor： Brian T. Schowengerdt ,  Hong Hua ,  Hui-Chuan Cheng ,  Christophe Peroz

IPC: G02B27/01 ,  G06K9/00 ,  G06T5/00 ,  F21V8/00 ,  G06T19/00

CPC classification number: G02B27/0172 ,  G02B5/18 ,  G02B6/0035 ,  G02B6/0076 ,  G02B2027/0112 ,  G02B2027/0125 ,  G02B2027/0127 ,  G02B2027/0132 ,  G02B2027/0138 ,  G02B2027/014 ,  G02B2027/0178 ,  G06K9/00604 ,  G06K9/0061 ,  G06T5/002 ,  G06T19/006

Abstract: Images perceived to be substantially full color or multi-colored may be formed using component color images that are distributed in unequal numbers across a plurality of depth planes. The distribution of component color images across the depth planes may vary based on color. In some embodiments, a display system includes a stack of waveguides that each output light of a particular color, with some colors having fewer numbers of associated waveguides than other colors. The stack of waveguides may include by multiple pluralities (e.g., first and second pluralities) of waveguides, each configured to produce an image by outputting light corresponding to a particular color. The total number of waveguides in the second plurality of waveguides is less than the total number of waveguides in the first plurality of waveguides, and may be more than the total number of waveguides in a third plurality of waveguides, in embodiments where three component colors are utilized.

公开(公告)号：US12271001B2

公开(公告)日：2025-04-08

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 ,  F21V8/00 ,  G02B5/30 ,  G02B27/00 ,  G02B27/14 ,  G02B30/26 ,  G02B30/52 ,  G02F1/137 ,  G03B21/00 ,  G03B21/20 ,  G06F3/01 ,  G06F3/0482 ,  G06T19/00 ,  G06V20/20 ,  G09G3/02 ,  G09G3/24 ,  H04N13/00 ,  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 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 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：US12164134B2

公开(公告)日：2024-12-10

申请号：US18371888

申请日：2023-09-22

Applicant: Magic Leap, Inc.

Inventor： Kevin Richard Curtis ,  Hui-Chuan Cheng ,  Paul M. Greco ,  William Hudson Welch ,  Eric C. Browy ,  Miller Harry Schuck, III ,  Bradley Jay Sissom

IPC: F21V8/00 ,  G02B5/18 ,  G02B5/30 ,  G02B6/293 ,  G02B6/34 ,  G02B7/00 ,  G02B27/00 ,  G02B27/01 ,  G02B27/10 ,  G02B27/28 ,  G02C5/16 ,  G02C11/00 ,  G06F1/16 ,  G06F1/20 ,  G06F3/01 ,  G06F3/147 ,  G09G3/00 ,  G09G3/20 ,  H04N9/31 ,  H05K7/20 ,  G02B27/30

Abstract: A method of reducing optical artifacts includes injecting a light beam generated by an illumination source into a polarizing beam splitter (PBS), reflecting a spatially defined portion of the light beam from a display panel, reflecting, at an interface in the PBS, the spatially defined portion of the light beam towards a projector lens, passing at least a portion of the spatially defined portion of the light beam through a circular polarizer disposed between the PBS and the projector lens, reflecting, by one or more elements of the projector lens, a return portion of the spatially defined portion of the light beam, and attenuating, at the circular polarizer, the return portion of the spatially defined portion of the light beam.