公开(公告)号：WO2021002641A1

公开(公告)日：2021-01-07

申请号：PCT/KR2020/008402

申请日：2020-06-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B30/25 ,  G02B27/01 ,  G02B5/30 ,  G02B3/12 ,  G02B7/04

Abstract: An electronic device for displaying AR includes: an optical engine; a first polarizer; a polarization converter configured to maintain or convert a polarization direction of light of a real scene; a waveguide from which light of a virtual image is output and through which the light of the real scene is transmitted; a focus tunable lens; a second polarizer; and one or more processors. The one or more processors are configured to, during a first period, control the polarization converter to convert a polarization direction of a first light of the real scene such that at least part of the first light of the real scene is blocked by the second polarizer, and during a second period, control the polarization converter to maintain a polarization direction of a second light of the real scene such that the second light of the real scene is transmitted through the second polarizer.

公开(公告)号：WO2021246777A1

公开(公告)日：2021-12-09

申请号：PCT/KR2021/006876

申请日：2021-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： LEE, Kyookeun ,  MILTON, Harry Edward

IPC: G02B27/01 ,  G02B27/00 ,  G02B27/09 ,  G02B3/14 ,  G02B2027/014 ,  G02B2027/0178 ,  G02B27/0093 ,  G02B27/0172 ,  G02B6/003 ,  G02B6/005 ,  G02C7/083

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：WO2020138913A1

公开(公告)日：2020-07-02

申请号：PCT/KR2019/018395

申请日：2019-12-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： LEE, Kyookeun ,  KWAK, Kyusub ,  LEE, Wonjun ,  CHOI, Myongjo

IPC: G02B27/42 ,  G02F1/1335

Abstract: Provided are an optical device and a method of outputting light using the optical device. The optical device includes a waveguide, a first diffraction grating receiving at least a portion of light incident on the waveguide and a second diffraction grating receiving a light diffracted from the first diffraction grating,, wherein the first diffraction grating and the second diffraction grating are provided in or on the waveguide, the light diffracted from the first diffraction grating is diffracted, in three-dimensional directions, from the second diffraction grating, and at least a portion of the light diffracted in the three-dimensional directions is output to an outside of the waveguide.

公开(公告)号：WO2020130505A1

公开(公告)日：2020-06-25

申请号：PCT/KR2019/017684

申请日：2019-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： LEE, Wonjun ,  KWAK, Kyusub ,  LEE, Kyookeun ,  CHOI, Myongjo

IPC: G02B30/00 ,  G02B26/02 ,  G02B5/18 ,  G02F1/13

Abstract: An image display apparatus includes a first waveguide, a second waveguide positioned at one side of the first waveguide, a first diffraction grating positioned at an other side of the first waveguide, a second diffraction grating positioned between the first waveguide and the second waveguide and a display engine configured to control a shape of the second diffraction grating according to a quantity of light diffracted from the first diffraction grating, wherein at least a portion of light incident on the first waveguide is diffracted from the first diffraction grating, and at least a portion of light incident on the second waveguide, is diffracted from the second diffraction grating.

公开(公告)号：WO2020242085A1

公开(公告)日：2020-12-03

申请号：PCT/KR2020/006108

申请日：2020-05-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G06F3/01 ,  G06T19/00 ,  G02B30/00 ,  G02B27/01 ,  H04N13/322 ,  H04N13/332 ,  H04N13/39 ,  H04N13/383

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：WO2020130475A1

公开(公告)日：2020-06-25

申请号：PCT/KR2019/017469

申请日：2019-12-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： KWAK, Kyusub ,  LEE, Kyookeun ,  LEE, Wonjun ,  CHOI, Myongjo

IPC: G02B27/01

Abstract: An image display apparatus including a first waveguide, a second waveguide, a focus tunable lens positioned between the first waveguide and the second waveguide, a display engine and a processor configured to control a focal length of the focus tunable lens and control the display engine to output first light forming the first virtual image and second light forming the second virtual image, wherein at least a portion of the first light is diffracted from the first waveguide and at least a portion of the second light diffracted from the second waveguide is incident on the first waveguide through the focus tunable lens.

公开(公告)号：EP3818431A1

公开(公告)日：2021-05-12

申请号：EP20812613.6

申请日：2020-05-08

Applicant: Samsung Electronics Co., Ltd.

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

IPC: G06F3/01 ,  G06T19/00 ,  G02B30/00 ,  G02B27/01 ,  H04N13/322 ,  H04N13/332 ,  H04N13/39 ,  H04N13/383

公开(公告)号：EP4322526A1

公开(公告)日：2024-02-14

申请号：EP22828699.3

申请日：2022-06-20

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N13/383 ,  H04N13/236 ,  H04N13/254 ,  G02B27/00 ,  G06F3/01 ,  G02B27/01 ,  G02B7/09

Abstract: Provided is an augmented reality device comprising: a variable focus lens; a gaze detection sensor which emits light to an eye of a user, receives reflected light reflected by the eye of the user, and detects a plurality of feature points on the basis of the reflected light by the eye of the user; and at least one processor for obtaining information with respect to eye-relief distance which is a distance between the eye of the user and the variable focus lens on the basis of position information of the plurality of feature points detected by the gaze detection sensor, obtaining information with respect to a gaze point on which gaze directions of both eyes of the user converge and an inter pupillary distance of the user's eyes on the basis of the plurality of feature points, and determining a position of a focus area of the whole area of the variable focus lens on the basis of the information with respect to the eye-relief distance, the gaze point, and the inter pupillary distance.

公开(公告)号：EP4321923A1

公开(公告)日：2024-02-14

申请号：EP22853560.5

申请日：2022-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： RYU, Jaeyeol ,  KIM, Doyoun ,  KOO, Bonkon ,  LEE, Kyookeun ,  KO, Jaewoo

IPC: G02B27/00 ,  G02B27/01

Abstract: A method, performed by an augmented reality (AR) device including a vision correction lens, of detecting a gaze of a user is provided. The method includes obtaining lens characteristic information about the vision correction lens arranged to overlap a light guide plate in a gaze direction of the user; emitting light for gaze tracking toward a light reflector through a light emitter, wherein the emitted light is reflected by the light reflector and then directed to an eye of the user; receiving a light reflected by the eye of the user through a light receiver; obtaining an eye image of the user based on the light received; adjusting the eye image of the user based on the lens characteristic information about the vision correction lens; and obtaining gaze information based on the adjusted eye image.

公开(公告)号：EP4497422A1

公开(公告)日：2025-01-29

申请号：EP23807902.4

申请日：2023-05-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： LEE, Kyookeun ,  MILTON, Harry Edward

IPC: A61F9/02 ,  G02B7/28 ,  G02B27/01 ,  A61B3/103

Abstract: A method of correcting vision by a vision correcting apparatus including a focus adjustable lens, includes: determining a first dioptric power to match far focus, based on far vision of a user; determining a second dioptric power to match near focus, based on corrected near vision of the user measured based on the first dioptric power; determining at least one third dioptric power to be applied to the focus adjustable lens, based on the first dioptric power and the second dioptric power; and controlling the focus adjustable lens based on the at least one third dioptric power.