公开(公告)号：US20230099173A1

公开(公告)日：2023-03-30

申请号：US17894054

申请日：2022-08-23

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： Ying GENG ,  Brian WHEELWRIGHT ,  Jacques GOLLIER ,  Babak AMIRSOLAIMANI ,  Weichuan GAO ,  Yusufu Njoni Bamaxam SULAI

IPC: G02B27/01 ,  G02B3/08 ,  G02B5/02 ,  H04N9/31 ,  G02B5/18 ,  G02B5/30 ,  G02B27/10 ,  G02B27/28 ,  G02F1/1334 ,  G02F1/137

Abstract: 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.

公开(公告)号：US20250164797A1

公开(公告)日：2025-05-22

申请号：US18937002

申请日：2024-11-04

Applicant: Meta Platforms Technologies, LLC

Inventor： Robert UPTON ,  Jacques GOLLIER ,  Fenglin PENG

IPC: G02B27/01

Abstract: An illumination system for a non-emissive display panel is provided. The illumination system includes a light source array including a plurality of individually addressable illumination units, an illumination unit being configured to emit a first light beam having a first solid angle. The illumination system also includes a concentrator array coupled with the light source array and including a plurality of concentrators, a concentrator being configured to condition the first light beam into a second light beam associated with a second solid angle that is smaller than the first solid angle, the second light beam providing a substantially uniform illumination at an exit aperture of the concentrator. The illumination system also includes an imaging assembly including one or more optical elements configured to image the substantially uniform illumination at the exit aperture of the concentrator onto the non-emissive display panel.

公开(公告)号：US20240027748A1

公开(公告)日：2024-01-25

申请号：US17872943

申请日：2022-07-25

Applicant: Meta Platforms Technologies, LLC

Inventor： Daniel Guenther GREIF ,  Brian WHEELWRIGHT ,  Jacques GOLLIER

IPC: G02B26/10 ,  G02B26/08 ,  G02B27/01 ,  F21V8/00

CPC classification number: G02B26/101 ,  G02B26/0833 ,  G02B27/0172 ,  G02B6/0031 ,  G02B2027/0178

Abstract: A scanning projector of a near-eye display device may be coupled to a waveguide and include a multi-ridge light source to provide a light beam. A distance between ridges of the light source may be larger than one pixel and the ridges may be aligned horizontally, vertically, or at an angle. A two-dimensional (2D) beam scanner optically coupled to the light source may generate a light field by performing a biresonant scan of the light beam. The projector may also include or be coupled to a controller to cause the beam scanner to scan the light beam about a first axis and a second axis within a field of view following a coherent Lissajous pattern while varying a brightness of the light beam to provide the image.

公开(公告)号：US20230244023A1

公开(公告)日：2023-08-03

申请号：US18128497

申请日：2023-03-30

Applicant: Meta Platforms Technologies, LLC

Inventor： Jian XU ,  Xingzhou TU ,  Ying GENG ,  Jacques GOLLIER

IPC: F21V8/00 ,  G02B27/01 ,  G02F1/1335 ,  G03F7/20

CPC classification number: G02B6/005 ,  G02B27/0172 ,  G02F1/133514 ,  G03F7/70191 ,  G02B6/0066 ,  G02F1/133528 ,  G02F2201/52 ,  G02B2027/0112

Abstract: According to examples, a phase plate may include a transparent substrate and a photopolymer layer attached to the transparent substrate. The photopolymer layer may adjust a backlight via a phase adjustment and focusing. The phase plate may focus a plurality of red, green, and blue components of the backlight onto respective red, green, and blue subpixels of a thin-film-transistor (TFT) layer deposited thereon. A distance between the photopolymer layer of the phase plate and the plurality of red, green, and blue subpixels of the thin-film-transistor (TFT) layer may be in a range from about 200 μm to about 500 μm. In some examples, the phase plate may be part of a liquid crystal display (LCD) apparatus along with a red, green, blue (RGB) laser to provide backlight; a grating light guide to transmit the backlight; and a liquid crystal display (LCD) layer on the thin-film-transistor (TFT) layer.

公开(公告)号：US20230144296A1

公开(公告)日：2023-05-11

申请号：US17521446

申请日：2021-11-08

Applicant: Meta Platforms Technologies, LLC

Inventor： Xingzhou TU ,  Brian WHEELWRIGHT ,  Alexander SOHN ,  Weichuan GAO ,  Ying GENG ,  Jacques GOLLIER

IPC: G02B3/08 ,  G02B27/30

CPC classification number: G02B3/08 ,  G02B27/30 ,  G02B2003/0093

Abstract: A system includes a light outputting device configured to output a divergent light. The system also includes a lens configured to convert the divergent light incident thereon from a first side of the lens to a collimated light substantially covering a light receiving region located at a second side of the lens, the lens including a plurality of Fresnel structures formed on at least one of a first lens surface or a second lens surface of the lens. Each Fresnel structure includes a slope facet and a draft facet. At least one of the draft facets is a first type of draft facet configured to not interact with a ray of the divergent light that is non-parallel with the at least one of the draft facets.

公开(公告)号：US20230014747A1

公开(公告)日：2023-01-19

申请号：US17879625

申请日：2022-08-02

Applicant: Meta Platforms Technologies, LLC

Inventor： Jacques GOLLIER

IPC: G02B27/10 ,  G02B27/01 ,  G02B27/02 ,  G03B21/14

Abstract: A method includes projecting a single color illumination light having a first color on a liquid crystal on silicon display device, thereby obtaining a single color image light having the first color from the liquid crystal on silicon display device. The method also includes receiving image light having at least a second color that is different from the first color from a display panel that is different from a liquid crystal on silicon display device and combining the single color image light and the image light for projection toward an eye.

公开(公告)号：US20220326533A1

公开(公告)日：2022-10-13

申请号：US17852233

申请日：2022-06-28

Applicant: Meta Platforms Technologies, LLC

Inventor： Ying GENG ,  Brian WHEELWRIGHT ,  Jacques GOLLIER ,  Yusufu Njoni Bamaxam SULAI ,  Babak AMIRSOLAIMANI ,  Weichuan GAO ,  Gang LI ,  Mengfei WANG ,  Adrian TRAVIS

IPC: G02B27/01 ,  G02B3/08 ,  G02B5/02 ,  H04N9/31 ,  G02B5/18 ,  G02B5/30 ,  G02B27/10 ,  G02B27/28 ,  G02F1/1334 ,  G02F1/137

Abstract: A display device includes a projector and a display that has a first surface and a second surface. The projector is configured to project image light toward the display. The display is configured to output diffused image light from the first surface and to transmit ambient light from the second surface to the first surface. The display device also includes an optical assembly that has a substrate with substantially uniform thickness. The optical assembly is configured to receive the diffused image light and transmit a portion of the diffused image light output from the first surface of the display at a first optical power. The optical assembly is also configured to receive the ambient light and transmit a portion of the ambient light through the optical assembly at a second optical power that is less than the first optical power.