公开(公告)号：US20240142677A1

公开(公告)日：2024-05-02

申请号：US18483141

申请日：2023-10-09

Applicant: Meta Platforms Technologies, LLC

Inventor： Zhaoyu Nie ,  Sheng Ye ,  Liliana Ruiz Diaz ,  Weihua Gao ,  Spencer Allan Wells ,  Andrew John Ouderkirk ,  Arman Boromand ,  Junren Wang ,  Tingling Rao ,  Lafe Joseph Purvis, II ,  Hend Baza

IPC: G02B5/20

CPC classification number: G02B5/20

Abstract: A notched filter includes a multilayer having alternating first and second polymer layers, the first polymer layers each including an isotropic polymer thin film having in-plane refractive indices n1x and n1y, and the second polymer layers each including an isotropic or anisotropic polymer thin film having in-plane refractive indices n2x and n2y, where a thickness of each successive first polymer layer decreases with increasing distance from a centerline of the multilayer, and a thickness of each successive second polymer layer increases with increasing distance from the centerline. Such a filter may be configured to reflect incident light having a desired polarization state within a predetermined and relatively narrow band.

公开(公告)号：US20240036342A1

公开(公告)日：2024-02-01

申请号：US17874002

申请日：2022-07-26

Applicant: Meta Platforms Technologies, LLC

Inventor： Andrew John Ouderkirk ,  Liliana Ruiz Diaz ,  Ying Geng ,  Hannah Dustan Noble

IPC: G02B27/28 ,  G02B3/08 ,  G02B27/01

CPC classification number: G02B27/283 ,  G02B3/08 ,  G02B27/0172

Abstract: An example apparatus may include a display and an optical configuration configured to provide an image of a display, for example, in a head-mounted device. An example apparatus may include a display, a first lens assembly including a lens and a reflector, and a second lens assembly including a second lens and a second reflector. In some examples, the first lens assembly has a front surface configured to receive display light from the display when the display is energized. The first lens assembly may include a Fresnel surface (e.g., a Fresnel surface including facets and steps) that may, for example, be formed in a lens surface, or in the surface of a substrate supported by a lens surface. Other devices, methods, systems and computer-readable media are also disclosed.

公开(公告)号：US11675118B2

公开(公告)日：2023-06-13

申请号：US17363982

申请日：2021-06-30

Applicant: Meta Platforms Technologies, LLC

Inventor： Tanya Malhotra ,  Tingling Rao ,  Liliana Ruiz Diaz ,  Oleg Yaroshchuk ,  Sheng Ye ,  Andrew John Ouderkirk ,  Alexander Koshelev ,  Lafe Joseph Purvis, II ,  Junren Wang ,  Arman Boromand

IPC: G02B5/30

CPC classification number: G02B5/3041 ,  G02B5/3016 ,  C09K2323/03 ,  C09K2323/031 ,  C09K2323/035

Abstract: A film stack includes a plurality of first films and a plurality of second films alternately stacked. At least one second film of the plurality of second films includes a solid crystal including crystal molecules aligned in a predetermined alignment direction. At least one first film of the plurality of first films includes an alignment structure configured to at least partially align the crystal molecules of the solid crystal in the predetermined alignment direction.

公开(公告)号：US20230064721A1

公开(公告)日：2023-03-02

申请号：US17982534

申请日：2022-11-08

Applicant: Meta Platforms Technologies, LLC

Inventor： Maik Andre Scheller ,  Liliana Ruiz Diaz ,  Marc Aurele Gilles ,  Andrew John Ouderkirk ,  Robert Dale Cavin

IPC: G01B9/02 ,  G01B9/02017 ,  G01B9/02097 ,  G01B11/22 ,  G02B27/01

Abstract: A light source of a self-mixed interferometer (SMI) emits infrared light. The infrared light is directed to an eyebox location with the scanning module by scanning the infrared light into a waveguide. Feedback infrared light is measured by a light sensor of the SMI.

公开(公告)号：US20230367041A1

公开(公告)日：2023-11-16

申请号：US17744265

申请日：2022-05-13

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Andrew John Ouderkirk ,  Nagi Hosni Elabbasi ,  Liliana Ruiz Diaz ,  Sheng Ye ,  Ying Geng ,  Christopher Yuan Ting Liao ,  Taha Masood ,  Brent Bollman

IPC: G02B3/08 ,  G02B27/01 ,  G02B27/28 ,  G02B1/111

CPC classification number: G02B3/08 ,  G02B1/111 ,  G02B27/0172 ,  G02B27/283

Abstract: An example apparatus may include a display and an optical configuration configured to provide an image of a display, for example, in a head-mounted device. The optical configuration may include a Fresnel lens assembly including a Fresnel lens and a reflective polarizer. The Fresnel lens may have a structured surface including a plurality of facets, and there may be a step between pairs of neighboring facets. The reflective polarizer may include a plurality of reflective polarizer portions, where each reflective polarizer portion conforms to a corresponding facet of the Fresnel lens. The reflective polarizer may be configured to reflect a first polarization and transmit a second polarization of incident light. The optical configuration may form an image of the display viewable by a user when the user wears the apparatus. Other devices, methods, systems, and computer-readable media are also disclosed.

公开(公告)号：US11782279B2

公开(公告)日：2023-10-10

申请号：US17704850

申请日：2022-03-25

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Andrew John Ouderkirk ,  Liliana Ruiz Diaz ,  Robin Sharma ,  Hannah Noble

IPC: G02B27/01 ,  G06T19/00 ,  G02F1/13363 ,  G02F1/1335 ,  G02B27/10 ,  G02B27/28 ,  G02B27/14

CPC classification number: G02B27/0172 ,  G02B27/1006 ,  G02B27/144 ,  G02B27/283 ,  G02F1/133541 ,  G02F1/133638 ,  G06T19/006 ,  G02B2027/0178

Abstract: An example apparatus may include a display, a beamsplitter having a first region and a second region, and a reflective polarizer. The reflectance of the second region of the beamsplitter may be appreciably greater than the reflectance of the first region; for example, at least approximately 20% greater. In some examples, the second region may be a peripheral region surrounding a generally centrally located first region. An example apparatus may be configured so that at least some light emitted by the display is transmitted through the first region of the beamsplitter, reflects from the reflective polarizer, reflects from the second region of the beamsplitter, and is then directed through the reflective polarizer to an eye of a user when the user wears the apparatus. Other devices, methods, systems, and computer-readable media are also disclosed.

公开(公告)号：US11740391B1

公开(公告)日：2023-08-29

申请号：US17139273

申请日：2020-12-31

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Jonathan Robert Peterson ,  Kenneth Alexander Diest ,  Renate Eva Klementine Landig ,  Liliana Ruiz Diaz ,  Robin Sharma

IPC: G02B3/14 ,  G02B26/00

CPC classification number: G02B3/14 ,  G02B26/004

Abstract: Disclosed devices may include a membrane having a membrane curvature, a substrate, an enclosure (defined at least in part by the membrane and the substrate) enclosing a fluid, a peripheral structure configured to adjust the membrane curvature, and a sensor configured to provide a sensor signal that is a function of the membrane curvature. The device may also include a controller configured to control the membrane curvature using a control signal. For example, the control signal may be provided to at least one actuator. The controller may receive a sensor signal from the sensor and modify the control signal based on the sensor signal. Examples also include associated methods and systems.

公开(公告)号：US11597198B2

公开(公告)日：2023-03-07

申请号：US17137455

申请日：2020-12-30

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Sheng Ye ,  Andrew John Ouderkirk ,  Arman Boromand ,  Liliana Ruiz Diaz

IPC: B32B38/00 ,  B32B27/08 ,  B32B27/36 ,  B32B7/022 ,  B32B37/20 ,  B32B7/023 ,  B32B43/00

Abstract: A method of manufacturing an optically anisotropic polymer thin film includes forming a composite structure that includes a polymer thin film and a high Poisson's ratio polymer thin film disposed directly over the polymer thin film, attaching a clip array to opposing edges of the composite, the clip array including a plurality of first clips slidably disposed on a first track located proximate to a first edge of the composite and a plurality of second clips slidably disposed on a second track located proximate to a second edge of the composite, applying a positive in-plane strain to the composite along a transverse direction by increasing a distance between the first clips and the second clips, and decreasing an inter-clip spacing amongst the first clips and amongst the second clips along a machine direction, wherein the high Poisson's ratio polymer thin film applies a negative in-plane strain to the polymer thin film along the machine.

公开(公告)号：US20230053107A1

公开(公告)日：2023-02-16

申请号：US17878634

申请日：2022-08-01

Applicant: Meta Platforms Technologies, LLC

Inventor： Liliana Ruiz Diaz ,  Ruiting Huang ,  Robin Sharma ,  Jonathan Robert Peterson ,  Christopher Yuan Ting Liao ,  Andrew John Ouderkirk ,  Giancarlo Sigurd Sante Nucci ,  Clare Joyce Robinson

IPC: G02B27/00 ,  G02B27/01

Abstract: Angular sensors that may be used in eye-tracking systems are disclosed. An eye-tracking system may include a plurality of light sources to emit illumination light and a plurality of angular light sensors to receive returning light that is the illumination light reflecting from an eyebox region. The angular light sensors may output angular signals representing an angle of incidence of the returning light.

公开(公告)号：US11563137B2

公开(公告)日：2023-01-24

申请号：US16594346

申请日：2019-10-07

Applicant: Meta Platforms Technologies, LLC

Inventor： Maik Andre Scheller ,  Andrew John Ouderkirk ,  Jonathan Robert Peterson ,  Daniele Piazza ,  Jeremy Thomas Braun ,  Kenneth Diest ,  Spencer Allan Wells ,  Renate Eva Klementine Landig ,  Liliana Ruiz Diaz ,  Tanya Malhotra

IPC: H01L31/167 ,  H02N2/04 ,  H01L31/044 ,  H01L31/05

Abstract: An optical transformer includes a light source and an array of photovoltaic cells optically coupled to the light source, where at least a portion of the photovoltaic cells are connected in series. An optical connector such as a waveguide or an optical fiber may be disposed between an output of the light source and an input of the array of photovoltaic cells. Configured to generate a high voltage output, the optical transformer may be configured to power a device such as an actuator that provides a tunable displacement as a function of voltage.