公开(公告)号：US20230101526A1

公开(公告)日：2023-03-30

申请号：US17955454

申请日：2022-09-28

Applicant: VIAVI SOLUTIONS INC.

Inventor： Roger W. PHILLIPS ,  Thomas MAYER ,  Scott LAMAR ,  Elena TAGUER

IPC: G02B5/18 ,  B42D25/328 ,  B42D25/47 ,  G02B5/28 ,  G03H1/00 ,  G02B5/08 ,  G03H1/02 ,  C09J11/02 ,  G02B5/32 ,  D21H21/40 ,  B42D25/29 ,  B42D25/00 ,  B32B37/12 ,  B32B37/18

Abstract: An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a banknote or document printed with a color-shifting ink.

公开(公告)号：US20230091935A1

公开(公告)日：2023-03-23

申请号：US17481900

申请日：2021-09-22

Applicant: GM Global Technology Operations LLC

Inventor： Thomas A. Seder ,  Kai-Han Chang

IPC: G02B27/01 ,  G03H1/00 ,  G02B5/30

Abstract: A head-up display system includes a hologram projector adapted to project a holographic image, a waveguide positioned in front of the hologram projector, wherein the holographic image projected by the hologram projector passes through the waveguide, a glare control prism positioned in front of the waveguide assembly, and a waveplate positioned between the waveguide and the glare control prism, the waveplate adapted to adjust the polarization of the holographic image.

公开(公告)号：US20230084264A1

公开(公告)日：2023-03-16

申请号：US17447333

申请日：2021-09-10

Applicant: International Business Machines Corporation

Inventor： Venkata Vara Prasad Karri ,  Sarbajit K. Rakshit ,  Shailendra Moyal ,  Akash U. Dhoot

IPC: G03H1/00 ,  G03H1/22 ,  G06F21/32

Abstract: In an approach to security for displayed confidential holographic objects, one or more computer processors receive a request from a user to display a holographic object in association with a device. One or more computer processors identify content to be moved to the holographic object. One or more computer processors determine the content includes confidential information. One or more computer processors request authentication from the user. One or more computer processors receive the authentication from the user. One or more computer processors create a holographic boundary, where the holographic boundary blocks a view of the holographic object from one or more unauthorized users. One or more computer processors display the holographic boundary. One or more computer processors display the holographic object in association with the device.

公开(公告)号：US20230075560A1

公开(公告)日：2023-03-09

申请号：US18055791

申请日：2022-11-15

Applicant: Microsoft Technology Licensing, LLC

Inventor： Addison Kenan LINVILLE ,  Jarod Wayne LENZ ERWIN ,  Dong Yoon PARK

IPC: G03H1/02 ,  G03H1/00 ,  G03H1/22 ,  G06F3/01 ,  G06F3/0484 ,  G06T19/00

Abstract: Examples are disclosed that relate to computing devices, head-mounted display devices, and methods for displaying holographic objects using slicing planes or volumes. In one example a computing device causes a display system to display a holographic object associated with a holographic volume, the holographic object occluding an occluded holographic object that is not displayed. Location data of at least a portion of a hand is received from a sensor. The location data of the hand is used to locate a slicing plane or a slicing volume within the holographic volume. Based on the location of the slicing plane or the slicing volume, at least a portion of the occluded holographic object is displayed via the display system.

公开(公告)号：US11595615B2

公开(公告)日：2023-02-28

申请号：US16914681

申请日：2020-06-29

Applicant: K-Tronics (Suzhou) Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Kangjian Liu ,  Jingyuan Yu ,  Laishou Cai ,  Jie Wang ,  Cheng Yang

IPC: H04N7/15 ,  G03H1/04 ,  G03H1/22 ,  G06F3/14 ,  G06F3/01 ,  G06F3/048 ,  H04N7/01 ,  G03H1/00

Abstract: The present disclosure provides a conference device, a method of controlling the conference device, and a computer storage medium. The conference device includes a display, an image sensor, a holographic projector, and a controller configured to identify, by using an image data from the image sensor, a modification action performed at a target location for a holographic image projected by the holographic projector, modify holographic projection data based on the modification action, and convert modified holographic projection data into modified two-dimensional imaging data.

公开(公告)号：US11586144B2

公开(公告)日：2023-02-21

申请号：US17215911

申请日：2021-03-29

Applicant: Dualitas Ltd.

Inventor： Brian Mullins

IPC: G03H1/00 ,  B29C64/227 ,  B29C64/273 ,  G03H1/04 ,  G03H1/22 ,  B33Y50/00 ,  G03H1/02

Abstract: A printing device (106) includes a laser source and a LCOS-SLM (Liquid Crystal on Silicon Spatial Light Modulator). The printing device generates a laser control signal and a LCOS-SLM control signal. The laser source (110) generates a plurality of incident laser beams based on the laser control signal. The LCOS-SLM (112) receives the plurality of incident laser beams, modulates the plurality of incident laser beams based on the LCOS-SLM control signal to generate a plurality of holographic wavefronts (214,216) from the modulated plurality of incident laser beams. Each holographic wavefront forms at least one corresponding focal point. The printing device cures a surface layer or sub-surface layer (406) of a target material (206) at interference points of focal points of the plurality of holographic wavefronts. The cured surface layer of the target material forms a three-dimensional printed content.

公开(公告)号：US20230043986A1

公开(公告)日：2023-02-09

申请号：US17971535

申请日：2022-10-21

Applicant: Circlesx LLC

Inventor： Erik Mowery Simpson ,  Kenneth Simpson

IPC: G06F3/04845 ,  G06F3/01 ,  G06F1/16 ,  G06F3/03 ,  G02B27/01 ,  G03H1/00 ,  G09B5/06 ,  G09B19/00 ,  G06T15/20 ,  G06T19/00

Abstract: Implementations of various computer methods to couple a computerized ball device which acts as a mobile computing device to record the users environment and project light towards waveguide eyeglasses or contacts which then allows a user to view imbedded light structure holograms in the waveguide while viewing the actual world. The computer ball device additionally has the ability to be docked in a drone cradle which creates a database map of the user's environment while not being utilized by the user for an immediate task. The device may also attach to a wrist band for mobility. The device also has the ability to couple the projected light structures so that a plurality of users may view the same light structure content to build an environment of trust. The device decouples the traditional design of head mounted virtual and mixed reality that place together the camera with the head mounted device.

公开(公告)号：US20230035915A1

公开(公告)日：2023-02-02

申请号：US17790756

申请日：2020-07-12

Applicant: Medha Dharmatilleke ,  Nanayakkara Dharmatilleke

Inventor： Medha Dharmatilleke ,  Nanayakkara Dharmatilleke

IPC: H04N13/302 ,  G06T19/00 ,  H04N13/359 ,  H04N13/293 ,  H04N13/236 ,  H04N13/218 ,  H04N13/243 ,  H04S1/00 ,  A61B90/00 ,  G03H1/00 ,  G02B30/56 ,  G03H1/22 ,  G02B26/08 ,  G04G9/00

Abstract: A unique method and a device to generate free space “pop-out” & “sink-in” holograms is disclosed herein. The hologram disclosed herein does not use any special medium, mirrors, reflective screens or wearables such as headgear & special glasses. The hologram disclosed herein can be created in free space, outer space or in air, without any other optical components except for the special display screen of the hologram device. This device demonstrates a free space hologram and the hologram Augmented Reality & hologram Virtual Reality. A camera capable of hologram quality images equipped with a smart lens which mimics the human eye by changing it's lens aperture according to the light intensity as the pupil of the human eye and focus & capture “pop-out” & “sink-in” hologram images is disclosed herein. The audio which is incorporated with the device provide multi dimensional multi directional audio effects.

公开(公告)号：US20230011653A1

公开(公告)日：2023-01-12

申请号：US17847453

申请日：2022-06-23

Applicant: Envisics Ltd

Inventor： Alexander Cole ,  Neil Collings

IPC: G02F1/1335 ,  G03H1/00

Abstract: A display device, a photomask for a display device and a method for fabricating a display device comprising the photomask is described. The display device comprises a plurality of pixels arranged to spatially modulate light having a first characteristic. The display device further comprises a pixel mask structure. The pixel mask structure comprises a diffractive pattern that is configured to diffract light having the first characteristic and to transmit light having a second characteristic (without diffraction). The diffractive pattern of the pixel mask structure substantially surrounds the plurality of pixels.

公开(公告)号：US11530792B2

公开(公告)日：2022-12-20

申请号：US17076087

申请日：2020-10-21

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： Makio Kurashige ,  Shumpei Nishio

IPC: G03H1/26 ,  F21S41/20 ,  G02B5/02 ,  G02B27/30 ,  G03H1/00

Abstract: To protect observer's eyes while forming a clear illumination pattern on a desired region to be illuminated. An illumination device includes a light source that emits coherent light, a collimating optical system that enlarges and collimates a beam diameter of the coherent light emitted from the light source, and a diffractive optical element that diffracts the coherent light collimated by the collimating optical system into a predetermined diffusion angle space. The diffractive optical element has a plurality of element diffractive optical portions and has a function to illuminate the region to be illuminated defined at a predetermined position and having predetermined size and shape to form the desired illumination pattern. Each of the plurality of element diffractive optical portions has a function to illuminate at least a part of the region to be illuminated, and diffractive characteristics of the element diffractive optical portions are different from each other.