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公开(公告)号：US20230036308A1
公开(公告)日：2023-02-02
申请号：US17874958
申请日：2022-07-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyookeun Lee , Harry Edward Milton , Seungjae Lee
Abstract: Provided are an apparatus and method for measuring a visual acuity (VA) by using a focus-tunable lens. The apparatus includes a display engine, an image combiner, a focus-tunable lens provided on a path of the light guided by the image combiner, an input device, and a processor configured to control the focus-tunable lens to assign different first and second optical powers to first and second lens regions, respectively, on a lens surface of the focus-tunable lens, control the display engine to display a VA measuring image through first and second output regions of the image combiner, control the input device to receive a user's input with respect to the VA measuring image, specify one optical power of the first and second optical powers based on the user's input, and determine a VA of a user based on the specified optical power.
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公开(公告)号：US20210278630A1
公开(公告)日：2021-09-09
申请号：US17323495
申请日：2021-05-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyookeun Lee , Kyusub Kwak , Bonkon Koo , Jeonggeun Yun , Wonjun Lee , Myongjo Choi , Jongchul Choi
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.
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公开(公告)号：US12279033B2
公开(公告)日：2025-04-15
申请号：US18430233
申请日：2024-02-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyookeun Lee , Bonkon Koo , Doyoun Kim , Harry Edward Milton
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.
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公开(公告)号：US20230152592A1
公开(公告)日：2023-05-18
申请号：US18097870
申请日：2023-01-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jeonggeun YUN , Kyusub Kwak , Kyookeun Lee , Youngmo Jeong
CPC classification number: G02B27/0172 , G02B6/0036 , G02B6/0058 , G02B2027/0178 , G02B2027/0123
Abstract: Provided is an augmented reality (AR) display device. The AR display device includes an optical engine configured to output light of a virtual image and a light guide plate including a first region that receives the light of the virtual image, a third region that outputs the light of the virtual image, and a second region that propagates the light of the virtual image input to the first region toward the third region, in which a pupil expansion grating is formed in the second region to duplicate the light of the virtual image incident to the first region into a plurality of beamlets, and in the third region, an output grating array is formed in which a plurality of small diffractive grating regions are arranged at intervals equal to or less than a size of a pupil, in which a diameter of each of the plurality of small diffractive grating regions is equal to or less than the size of the pupil.
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公开(公告)号：US11605325B2
公开(公告)日：2023-03-14
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
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.
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Patent Agency Ranking
公开(公告)号：US11527004B2
公开(公告)日：2022-12-13
申请号：US17167778
申请日：2021-02-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bonkon Koo , Jongchul Choi , Kyookeun Lee , Jaeyun Jeong
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.
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公开(公告)号：US11467370B2
公开(公告)日：2022-10-11
申请号：US16864755
申请日：2020-05-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyookeun Lee , Kyusub Kwak , Bonkon Koo , Jeonggeun Yun , Wonjun Lee , Myongjo Choi , Jongchul Choi
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.
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公开(公告)号：US11262490B2
公开(公告)日：2022-03-01
申请号：US16727221
申请日：2019-12-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyookeun Lee , Kyusub Kwak , Wonjun Lee , Myongjo Choi
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.
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公开(公告)号：US20210003848A1
公开(公告)日：2021-01-07
申请号：US16921180
申请日：2020-07-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Myongjo Choi , Kyusub Kwak , Jeongeun Yun , Kyookeun Lee , Wonjun Lee , Jongchul Choi
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.
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20.发明申请公开(公告)号：US20200379214A1
公开(公告)日：2020-12-03
申请号：US16864755
申请日：2020-05-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyookeun Lee , Kyusub Kwak , Bonkon Koo , Jeonggeun Yun , Wonjun Lee , Myongjo Choi , Jongchul Choi
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.
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