公开(公告)号：US20240329408A1

公开(公告)日：2024-10-03

申请号：US18740215

申请日：2024-06-11

Applicant: Magic Leap, Inc.

Inventor： Kristina Uhlendorf ,  Kevin Richard Curtis ,  Kirk William Cook ,  Ravi Kumar Komanduri

IPC: G02B27/01 ,  G02B6/42

CPC classification number: G02B27/0172 ,  G02B6/4213 ,  G02B2027/0178

Abstract: An image projection system includes an illumination source and an eyepiece waveguide including a plurality of diffractive incoupling optical elements. The eyepiece waveguide includes a region operable to transmit light from the illumination source. The image projection system also includes a first optical element including a reflective polarizer, a second optical element including a partial reflector, a first quarter waveplate disposed between the first optical element and the second optical element, a reflective spatial light modulator, and a second quarter waveplate disposed between the second optical element and the reflective spatial light modulator.

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：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：US11656462B2

公开(公告)日：2023-05-23

申请号：US16978165

申请日：2019-03-05

Applicant: Magic Leap, Inc.

Inventor： Ravi Kumar Komanduri ,  Chulwoo Oh

IPC: G09G5/00 ,  G02B27/01 ,  G06T19/00 ,  C12Q1/6844 ,  G02F1/1335 ,  G02F1/13363

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

Abstract: The present disclosure relates to display systems and, more particularly, to augmented reality display systems. 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：US20220146888A1

公开(公告)日：2022-05-12

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: G02F1/13363 ,  G02F1/1335 ,  G02F1/139 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/01

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：US20190129178A1

公开(公告)日：2019-05-02

申请号：US16171111

申请日：2018-10-25

Applicant: Magic Leap, Inc.

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

IPC: G02B27/01 ,  G02F1/29 ,  F21V8/00

Abstract: A display device includes a waveguide assembly comprising a waveguide configured to outcouple light out of a major surface of the waveguide to form an image in the eyes of a user. An adaptive lens assembly has a major surface facing the output surface and a waveplate lens and a switchable waveplate assembly. The switchable waveplate assembly includes quarter-wave plates on opposing sides of a switchable liquid crystal layer, and electrodes on the quarter-wave plates in the volume between the quarter-wave plates. The electrodes can selectively establish an electric field and may serve as an alignment structure for molecules of the liquid crystal layer. Portions of the adaptive lens assembly may be manufactured by roll-to-roll processing in which a substrate roll is unwound, and alignment layers and liquid crystal layers are formed on the substrate as it moves towards a second roller, to be wound on that second roller.

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

IPC: G06V20/20 ,  G02B27/01 ,  G06F18/10 ,  G06F18/21 ,  G06F18/22 ,  G06N20/00 ,  G06T3/18 ,  G06V20/62

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.

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.

公开(公告)号：US20230359042A1

公开(公告)日：2023-11-09

申请号：US18301785

申请日：2023-04-17

Applicant: Magic Leap, Inc.

Inventor： Ravi Kumar Komanduri ,  Chulwoo Oh

IPC: G02B27/01 ,  G06T19/00 ,  C12Q1/6844

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

Abstract: The present disclosure relates to display systems and, more particularly, to augmented reality display systems. 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.