Facebook Technologies, LLC

Meta Platforms Technologies, LLC

University of Arizona

Sharp Laboratories of America, Inc

Oculus, Vr, LLC

Dwp Energy Solutions, LLC

Norcon Technologies LLC

Brian M Wheelwright

Ying Geng

Jacques Gollier

Yusufu Njoni Bamaxam Sulai

Babak Amirsolaimani

Weichuan Gao

Douglas Robert Lanman

Andrew John Ouderkirk

Robin Sharma

Fenglin Peng

Robert Dale Cavin

Alexander Jobe Fix

Andrew Maimone

Hee Yoon Lee

Matthieu Charles Raoul Leibovici

Ganghun Kim

Afsoon Jamali

Barry David Silverstein

Alexander Sohn

Kieran Connor Kelly

Gang Li

Douglas James Tweet

Wei Pan

Nathan Seigo Matsuda

Yang Zhao

Miaomiao Xu

Melissa Geng

Lu Lu

Scott Charles McEldowney

Mengfei Wang

Yun-Han Lee

Yijing Fu

Spencer Allan Wells

Roger P Angel

Daniel Guenther Greif

Joel Hegland

Abbas Mehdi Kazmi

Ning Yueng Chan

Nicholas Daniel Trail

Qi Zhang

Wai Sze Tiffany Lam

Shizhe Shen

Maxwell Parsons

Stephen James McNally

Alireza Moheghi

Stephen Choi

Justin J Hyatt

Sebastian Sztuk

Jasmine Soria Sears

Tanya Malhotra

Adrian Travis

Oleg Yaroshchuk

Dmitry Reshidko

Marina Zannoli

Jason Saragih

Changwon Jang

Tomas Simon Kreuz

Steven Paul Lansel

Stephen Anthony Lombardi

Olivier Mercier

Raymond K Kostuk

Sihui He

Michael Zollhoefer

Zachary Holman

Ian Erkelens

Shunsuke Saito

Tamer Elazhary

Brant Carlton Lewis

Amit Raj

James Henry Hays

Jacques Gollier, Jr

Kirk Eric Burgess

Brandon Michael Hellman Friedman

Nicholas J Didato

Jaques Gollier

A method of displaying images by vector scanning in a head-mounted display includes determining, based on content of an image to be displayed by the head-mounted display, a vector scanning pattern for displaying the image, the vector scanning pattern including a plurality of scan lines and one or more transition lines connecting the plurality of scan lines, at least one transition line of the one or more transition lines including a curved section (or loop); generating control signals for controlling a scanner to steer, according to the vector scanning pattern, a light beam emitted by a light source towards a waveguide display of the head-mounted display; and generating modulation signals for modulating the light source such that the light beam is turned on when the scanner operates according to the plurality of scan lines and is turned off when the scanner operates according to the one or more transition lines.

Vector scanning augment reality

An optical assembly includes a partial reflector that is optically coupled with a first polarization volume holographic element. The partial reflector is capable of receiving first light having a first circular polarization and transmitting a portion of the first light having a first circular polarization. The first polarization volume holographic element is configured to receive the first portion of the first light and reflect the first portion of the first light as second light having the first circular polarization. The partial reflector is capable of receiving the second light and reflecting a first portion of the second light as third light having a second circular polarization opposite to the first polarization. The first polarization volume holographic element is configured to receive the third light having the second circular polarization and transmit the third light having the second circular polarization.

Optical assembly with polarization volume holographic element

A display device includes a display module for providing first image light. The display device also includes a first optical element for receiving and transmitting the first image light from the display module. The display module includes a region from which the first image light is provided in directions other than a direction perpendicular to the first optical element. The display device further includes a second optical element so that the second optical element receives the first image light transmitted through the first optical element and sends the received first image light back toward the first optical element as second image light. The first optical element receives the second image light from the second optical element and sends the second image light back toward the second optical element, and the second optical element receives and transmits the second image light from the first optical element.

High efficiency optical assembly with folded optical path

An illuminator for illuminating a display panel includes a lightguide with an array of buried slanted bulk reflectors that out-couple portions of the light beam propagating in the lightguide through one of the lightguide surfaces. Polarization beam-splitting slanted surfaces may be used to provide polarized output. Such an illuminator may be used with a reflective display panel operating by polarization. The beam-splitting slanted surfaces operate as a polarizer, providing polarized illuminating light. The light reflected by the reflective panel may propagate back through the illuminator, and the polarization beam-splitting slanted surfaces may operate also as analyzer.

Geometrical waveguide illuminator and display based thereon

A device for providing a reverse pass-through view of a user of a headset display to an onlooker includes an eyepiece comprising an optical surface configured to provide an image to a user on a first side of the optical surface. The device also includes a first camera configured to collect an image of a portion of a face of the user reflected from the optical surface in a first field of view, a display adjacent to the optical surface and configured to project forward an image of the face of the user, and a screen configured to receive light from the display and provide the image of the face of the user to an onlooker.

Reverse pass-through glasses for augmented reality and virtual reality devices

A lens assembly includes a first lens and a second lens. The first lens has a first lens surface and a second lens surface opposite to the first lens surface. The second lens surface includes a first plurality of Fresnel structures. The second lens, coupled to the first lens, has a third lens surface and a fourth lens surface opposite to the third lens surface. The third lens surface includes a second plurality of Fresnel structures. The third lens surface faces the first lens and the second lens surface faces the second lens. A headset that includes a display and the lens assembly is also disclosed. A method of transmitting, with the lens assembly, light from the display toward an image plane is also disclosed.

Shadow-matched Fresnel lens doublet for reduced optical artifacts

An optical assembly a substrate having a first surface and a second surface that is opposite to and substantially parallel with the first surface. The first surface has a first curved profile and the second surface has a second curved profile. The optical assembly also includes a beam splitter on the first surface and a reflector on the second surface. The optical assembly is configured to transmit image light received at the first surface in an optical path that includes reflection at each of the reflector and the beam splitter before the image light is output from the second surface. The optical assembly is also configured to transmit ambient light received at the first surface such that the second light is output from the second surface without undergoing reflection at either the reflector or the beam splitter. A method of transmitting light through the optical assembly is also disclosed.

Curved see-through pancake lens assembly and display device including the same

A head-mounted display (HMD) for improved field of view (FOV) is provided. The head-mounted display (HMD) may include a display element to provide display light. The head-mounted display (HMD) may also include a lens element to provide display light to a user of the head-mounted display (HMD). The head-mounted display (HMD) may further include an optical element comprising at least one waveguide to provide improved central or peripheral field of view (FOV) for the user of head-mounted display (HMD). In some examples, the waveguide may be part of central optics and/or peripheral optics. The waveguide may have a planar waveguide profile or a curved waveguide profile. In some examples, the waveguide may be stacked or may include a graded index (GRIN) layer.

Waveguide configurations in a head-mounted display (HMD) for improved field of view (FOV)

A display device includes an optical diffuser configured to, in response to receiving image light, output diffused image light having a same polarization as the image light. The optical diffuser is also configured to transmit ambient light. The display device also includes an optical assembly that includes a substrate, a reflector coupled to the substrate, and a beam splitter coupled to the substrate. The optical assembly is configured to transmit the diffused image light at a first optical power by reflecting the diffused image light at the reflector and at the beam splitter and to transmit the transmitted ambient light at a second optical power that is less than the first optical power without reflection at the reflector or the beam splitter. A method for transmitting light through the display device is also disclosed.

Display device with holographic diffuser display and see-through lens assembly

An optical assembly includes a plurality of successive optical stages that are configured to transmit light at a variable overall optical power by configuring one or more stages of the successive optical stages. A respective optical stage of the successive optical stages includes an active optical element that is configurable to be in a first state at a first time and a second state at a second time that is distinct from the first time. The active optical element, in the first state, has a first respective optical power for light of a first polarization and a second respective optical power, that is different from the first respective optical power, for light of a second polarization that is orthogonal to the first polarization. The active optical element, in the second state, has a third optical power for light of the first polarization and light of the second polarization.

Display device with varifocal optical assembly

An optical device includes an optical waveguide and a plurality of reflective polarizers. The plurality of reflective polarizers include a first reflective polarizer and a second reflective polarizer disposed inside the optical waveguide so that the first reflective polarizer receives light propagating inside the optical waveguide, redirects a first portion of the light in a first direction, and transmits a second portion of the light in a second direction non-parallel to the first direction. The second reflective polarizer receives the second portion of the light from the first reflective polarizer, redirects a third portion of the light, and transmits a fourth portion of the light. A ratio between the first portion and the second portion of the light has a first value and a ratio between the third portion and the fourth portion of the light has a second value distinct from the first value.

Optical waveguide beam splitter with reflective polarizers for display

A Head Mounted Display (HMD) includes a pixel array having multiple pixels configured in a two-dimensional surface, each pixel providing multiple light beams forming an image provided to a user. The HMD also includes a first optical element configured to provide a central portion of a field of view for the image through an eyebox that limits a volume including a pupil of the user, and a second optical element configured to provide a peripheral portion of the field of view for the image through the eyebox, wherein the peripheral portion of the field of view comprises at least one steradian of a user's field of view at a resolution of at least fifteen arcminutes.

Peripheral light field display

A beam scanner includes a substrate, a tiltable reflector hingedly supported by the substrate, and a reflective polarizer. The reflective polarizer is supported over the tiltable reflector and configured to receive and redirect a light beam towards the tiltable reflector for scanning the light beam. A projector includes the beam scanner and a light source providing a light beam. The light beam may be modulated in brightness, color, or polarization synchronously with tilting the reflector, thereby forming an image in angular domain after propagating through a pupil-replicating waveguide. At least one folding mirror may be provided for directing the light beam from the light source around the pupil-replicating waveguide, resulting in a compact overall configuration.

Folded-beam, low-obliquity beam scanner

A device includes an array of light emitters configured to generate multiple light beams to form an image, the image having a field of view and a planar waveguide having an edge configured to receive multiple light beams from the array of light emitters, each light beam associated with a portion of the field of view. The device also includes a lens array comprising multiple lenses linearly extended to overlap an edge portion of the planar waveguide, the lenses optically coupling the light beams into the planar waveguide, and one or more output couplers in the planar waveguide configured to direct the light beams into an eyebox, wherein the eyebox forms an area that includes a pupil of a viewer of the image.

Light guide combiner with increased field of view (FOV) and eyebox efficiency for enhanced reality applications

Growing community of inventors

Tucson, AZ, United States of America

Brian M Wheelwright