公开(公告)号：US20220390749A1

公开(公告)日：2022-12-08

申请号：US17879469

申请日：2022-08-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Jeonggeun YUN ,  Byoungho LEE ,  Kiseung BANG ,  Chanhyung YOO ,  Kyookeun LEE ,  Minseok CHAE

IPC: G02B27/01 ,  F21V8/00

Abstract: Provided is a waveguide-type display device including a waveguide, an input coupler provided on the waveguide and configured to transmit an image to travel into the waveguide, an output coupler provided on the waveguide and configured to output the image traveling in the waveguide to an outside of the waveguide, and a field-of-view (FOV) expander configured to output an image having an expanded FOV by deflecting and outputting the image output from the output coupler in a certain direction based on polarization characteristics of the image.

公开(公告)号：US20240288608A1

公开(公告)日：2024-08-29

申请号：US18654937

申请日：2024-05-03

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Jeonggeun YUN ,  Byoungho LEE ,  Chulsoo CHOI ,  Kyookeun LEE ,  Taewon CHOI

IPC: G02B1/00 ,  G02B27/01

CPC classification number: G02B1/002 ,  G02B27/0172 ,  G02B2027/0132

Abstract: An atypical metasurface, includes: a 2-dimensional plane; and a plurality of atypical unit structures periodically arranged on the 2-dimensional plane, wherein each of the plurality of atypical unit structures has an atypical pattern that is not periodic.

公开(公告)号：US20210286184A1

公开(公告)日：2021-09-16

申请号：US17336707

申请日：2021-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myongjo CHOI ,  Kyusub KWAK ,  Jeongeun YUN ,  Kyookeun LEE ,  Wonjun LEE ,  Jongchul CHOI

IPC: G02B27/01 ,  G06K9/00 ,  G02B3/00

Abstract: An electronic device for displaying augmented reality (AR) includes: an optical engine configured to output light of virtual image; a waveguide from which the light of the virtual image is output and through which light of a real scene is transmitted; an optical shutter configured to transmit or block the light of the real scene; a focus tunable lens configured to adjust a focal length for the light of the virtual image output from the waveguide; and one or more processors configured to, during a first period, control the optical shutter to block at least part of a first light of the real scene, and control the focus tunable lens to have a first focal length, and during a second period, control the optical shutter to transmit a second light of the real scene, and control the focus tunable lens to have a second focal length different from the first focal length.

公开(公告)号：US20210248766A1

公开(公告)日：2021-08-12

申请号：US17167778

申请日：2021-02-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bonkon KOO ,  Jongchul CHOI ,  Kyookeun LEE ,  Jaeyun JEONG

IPC: G06T7/55 ,  G06F3/01 ,  G06T7/11 ,  H04N5/232 ,  G06T7/73 ,  G06T11/00

Abstract: An electronic device including an eye tracking sensor configured to detect viewing direction of eye of a user; a camera; a tilting unit configured to adjust a direction of the camera; a memory; and a processor configured to obtain information about a gaze point of the user; determine a region of interest (ROI) based on the information about the gaze point; obtain two or more images including the ROI at different tilt angles; and determine depth information of the ROI by using the obtained two or more images.

公开(公告)号：US20250093641A1

公开(公告)日：2025-03-20

申请号：US18778045

申请日：2024-07-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bonkon KOO ,  Kyookeun LEE ,  Doyoun KIM ,  Sunghwan SHIN ,  Jongchul CHOI

IPC: G02B27/00 ,  G02B5/30 ,  G02B27/28

Abstract: Provided are an electronic device for eye tracking, and a method of operating the electronic device. The electronic device generates a plurality of light beams through a polarization filter and a polarization change element, or a plurality of light sources, and obtains a coded image through a metalens configured to refract the generated plurality of light beams into different paths. The electronic device obtains gaze information of a user, based on the coded image, and track the gage of the user.

公开(公告)号：US20230176401A1

公开(公告)日：2023-06-08

申请号：US17436465

申请日：2021-06-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunghwan SHIN ,  Jaewoo KO ,  Bonkon KOO ,  Doyoun KIM ,  Sangho YOON ,  Kyookeun LEE

IPC: G02C7/08 ,  G02F1/29 ,  G02B27/00 ,  G02B27/01 ,  A61B3/032 ,  G06F3/01

CPC classification number: G02C7/083 ,  G02F1/294 ,  G02B27/0093 ,  G02B27/0172 ,  A61B3/032 ,  G06F3/013 ,  G02B2027/0178

Abstract: Provided are a device and method for correcting the vision of a user and performing calibration. A method, performed by an augmented reality device, of performing gaze tracking sensor calibration based on a gaze of a user includes outputting at least one first character in a preset size through a waveguide of the augmented reality device, obtaining at least one first input for the at least one first character, obtaining at least one piece of first gaze information detected through a gaze tracking sensor of the augmented reality device at a time point at which the at least one first input is obtained, comparing the at least one first character with the at least one first input, and determining a first refractive power to be a refractive power of the varifocal lens of the augmented reality device, based on a result of the comparing.

公开(公告)号：US20210389591A1

公开(公告)日：2021-12-16

申请号：US17338181

申请日：2021-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyookeun LEE ,  Harry Edward MILTON

IPC: G02B27/01 ,  G02C7/08 ,  G02B27/00 ,  F21V8/00

Abstract: Provided is a device for displaying augmented reality including an optical engine configured to output light of a virtual image, a waveguide configured to output light of the virtual image and transmit light of a real scene, a first lens part and a second lens part, and a processor, the first lens part being configured to tune a focus of the virtual image and including a first focus-tunable lens having a refractive power tunable by the processor and a fixed refractive lens having a refractive power, the second lens part being configured to compensate distortion of the real scene and including a second focus-tunable lens having a refractive power that is tunable by the processor, and the processor being further configured to determine the first refractive power based on vision information of the user, attribute depth information of the virtual image, and fixed refractive power of the fixed refractive lens.

公开(公告)号：US20240036288A1

公开(公告)日：2024-02-01

申请号：US18482576

申请日：2023-10-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyookeun LEE ,  Kyusub KWAK ,  Bonkon KOO ,  Jeonggeun YUN ,  Wonjun LEE ,  Myongjo CHOI ,  Jongchul CHOI

IPC: G02B7/28 ,  G02B27/01 ,  G02F1/29

CPC classification number: G02B7/287 ,  G02B27/0172 ,  G02F1/29 ,  G02B27/0179 ,  G02B2027/0187

Abstract: An augmented reality (AR) device including a variable focus lens of which a focal length may be changed by adjusting refractive power and adjusting the position of a focus adjustment region of the variable focus lens according to a direction of the user's view. The AR device may obtain an eye vector indicating a direction of the user's view using an eye tracker, adjust a refractive power of a first focus adjustment region of a first variable focus lens to change a focal length for displaying a virtual image, and complementarily adjust a refractive power of a second focus adjustment lens with respect to the adjusted refractive power of the first focus adjustment region.

公开(公告)号：US20220404578A1

公开(公告)日：2022-12-22

申请号：US17846810

申请日：2022-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyookeun LEE ,  Bonkon KOO ,  Doyoun KIM ,  Harry Edward MILTON

IPC: G02B7/28 ,  G06F3/01 ,  G06T7/246 ,  G06T7/73 ,  H04N5/225 ,  G06T7/50 ,  G02B27/01

Abstract: Provided is an augmented reality device including a variable focus lens, an eye tracking sensor configured to emit light to eyes of a user, receive the light reflected by the eyes of the user, and detect a plurality of feature points based on the light reflected by the eyes of the user, and at least one processor configured to obtain information with respect to eye relief, which is a distance between the eyes of the user and the variable focus lens, based on position information of the plurality of feature points detected by the eye tracking sensor, obtain information with respect to a gaze point at which gaze directions of the eyes of the user converge, and an interpupillary distance of the eyes of the user, based on the plurality of feature points, and determine a position of a focal region of the variable focus lens based on the information with respect to the eye relief, the gaze point, and the interpupillary distance.

公开(公告)号：US20210104188A1

公开(公告)日：2021-04-08

申请号：US17064935

申请日：2020-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wonjun LEE ,  Kyusub KWAK ,  Jeongbong BAE ,  Janghoon YOO ,  Jeonggeun YUN ,  Kyookeun LEE ,  Sangchul JUNG ,  Myongjo CHOI ,  Jongchul CHOI

IPC: G09G3/02 ,  G02B26/10 ,  G02B27/10

Abstract: A display device includes a first light source configured to emit first pixel light in each of which lights of a plurality of different wavelengths are mixed with one another, a second light source configured to emit a plurality of second pixel lights in each of which lights of a plurality of different wavelengths are mixed with one another, and an optical scanner configured to output an image including the plurality of first pixel lights and the plurality of second pixel lights to an external space by sequentially changing travelling paths of the plurality of first pixel lights and the plurality of second pixel lights.