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21.发明申请公开(公告)号：US20220404681A1
公开(公告)日：2022-12-22
申请号：US17556490
申请日：2021-12-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young KIM , Byonggwon SONG , Hongsuk KIM , Hoon SONG , Kanghee WON , Hongseok LEE , Sunghee JUNG
Abstract: Provided is a beam deflector including: a first electrode layer including a plurality of electrode patterns that are arranged in a first direction; a second electrode layer provided to oppose the first electrode layer; a liquid crystal layer provided between the first electrode layer and the second electrode layer in a second direction perpendicular to the first direction, and including a plurality of liquid crystal molecules; an input channel unit including a plurality of input channels; a demultiplexer configured to divide each of the input channels into a preset number of divided channels, and connect the divided channels to the electrode patterns; and a control circuit connected to the demultiplexer, and configured to control an output signal output from the divided channels to the first electrode layer.
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公开(公告)号：US20220375196A1
公开(公告)日：2022-11-24
申请号：US17570712
申请日：2022-01-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Namseop KWON , Myungjae JEON , Hongseok LEE
Abstract: An electronic device includes a communication interface and a processor, wherein the processor receives a first image predistorted and rendered at a first time, from an external device through the communication interface, calculates a pixel shift for each pixel of the received first image at a second time that is different from the first time, generates a second image by reprojecting the first image based on the calculated pixel shift, and transmits the generated second image to the external device through the communication interface.
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公开(公告)号：US20220358262A1
公开(公告)日：2022-11-10
申请号：US17511692
申请日：2021-10-27
Inventor： Myungjae JEON , Kichul KIM , Namseop KWON , Hongseok LEE , San KIM , Wooseok SEONG , Seongmin CHOI
Abstract: Provided is a processor configured to compute elements affecting an optimization matrix in connection with a first measurement, among elements of a Hessian matrix, instead of generating a whole Hessian matrix for a map point and a camera pose based on all measurements, and accumulate the computed elements over the optimization matrix used to perform optimization operations in relation to states of the map point and the camera pose.
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公开(公告)号：US20220283435A1
公开(公告)日：2022-09-08
申请号：US17537157
申请日：2021-11-29
Applicant: SAMSUNG ELECTRONICS CO., LTD. , SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION , AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Jangwoo YOU , Kyujin CHO , Changkun LEE , Hongseok LEE , Jesung KOH , Yongmin PARK , Sunpil JEONG
Abstract: A multi-degree of freedom (DOF) moving stage includes: an end-effector; three driven links pivotably connected to the end-effector at angular intervals from each other; three driving links pivotably connected to the three driven links, respectively; and three actuators configured to drive the three driving links, respectively. Each of the three driven links includes first to fourth arms arranged at intervals; and a flexible member that connects the first to fourth arms to each other in a parallelogram shape across the intervals and forms pivotable joints at the intervals.
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25.发明申请公开(公告)号：US20220277479A1
公开(公告)日：2022-09-01
申请号：US17681179
申请日：2022-02-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Xiongfeng PENG , Zhihua LIU , Qiang WANG , Yuntae KIM , Hongseok LEE
Abstract: Provided is a method of simultaneous localization and mapping (SLAM), the method including obtaining a structure of a current image frame, obtaining a structure re-identification constraint based on the structure of the current image frame, and obtaining a SLAM result based on the structure re-identification constraint. By introducing the structure re-identification constraint in a bundle adjustment process to obtain the SLAM result, error accumulation may be more easily controlled, and accuracy and robustness in obtaining the SLAM result may be improved.
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Patent Agency Ranking
公开(公告)号：US20220270525A1
公开(公告)日：2022-08-25
申请号：US17500098
申请日：2021-10-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young KIM , Geunwoo KO , Minsu KIM , Geeyoung SUNG , Dongyeoul LEE , Sangbum LEE , Jonghyun LEE , Hongseok LEE , Punjae CHOI , Jong-Young HONG
Abstract: A three-dimensional holographic display device includes a light emitting diode (LED) array including a plurality of light sources controlled to sequentially output light according to a preset pattern, a lens configured to refract light incident from the LED array, a spatial light modulator (SLM) configured to modulate light incident from the lens, and a processor configured to generate a plurality of holographic signals each comprising depth information adjusted according to an arrangement location of each of the plurality of light sources, and for each of the plurality of light sources, control the SLM to modulate the light based on a holographic signal corresponding to the light source.
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公开(公告)号：US20220107453A1
公开(公告)日：2022-04-07
申请号：US17555070
申请日：2021-12-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jong-Young HONG , Hoon SONG , Jungkwuen AN , Hongseok LEE
IPC: F21V8/00
Abstract: Provided is an optical device including a first backlight configured to output first light of a first wavelength through a first output coupler, a first lens disposed to face the first output coupler and having a focal length with respect to the first light, a second backlight including a second output coupler, the second backlight being configured to output second light of a second wavelength through the second output coupler, a second lens disposed to face the second output coupler and having different focal lengths with respect to the first light and the second light, a third backlight including a third output coupler, the third backlight being configured to output third light of a third wavelength through the third output coupler, and a third lens disposed to face the third output coupler and having different focal lengths with respect to the first light, the second light, and the third light.
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公开(公告)号：US20210191129A1
公开(公告)日：2021-06-24
申请号：US17131131
申请日：2020-12-22
Inventor： Changkun LEE , Byoungho LEE , Jinsoo JEONG , Seokil MOON , Geeyoung SUNG , Hongseok LEE
Abstract: A display apparatus including a volume grating-based combiner is disclosed. The display apparatus includes: an image providing device; and a combiner, wherein the combiner includes a plurality of volume gratings configured to diffract light containing an image, which is emitted from the image providing device, each volume grating has a first surface and a second surface facing each other, and each volume grating is further configured to diffract light incident on the first surface and transmit therethrough light incident on the second surface without diffraction.
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公开(公告)号：US20210150755A1
公开(公告)日：2021-05-20
申请号：US17093944
申请日：2020-11-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Tianhao GAO , Xiaolong SHI , Xiongfeng PENG , Kuan MA , Hongseok LEE , Myungjae JEON , Qiang WANG , Yuntae KIM , Zhihua LIU
Abstract: A simultaneous localization and mapping device is provided. The device includes an image obtaining device configured to capture color images and depth images of a surrounding environment; an initial pose estimating device configured to estimate an initial pose based on the color images and the depth images; a map constructing device configured to construct a three-dimensional map based on the depth images and the color images; and a pose determining device configured to determine a final pose based on the initial pose and the three-dimensional map.
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公开(公告)号：US20210080716A1
公开(公告)日：2021-03-18
申请号：US17107290
申请日：2020-11-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hoon SONG , Hongseok LEE , Young KIM , Jungkwuen AN , Kanghee WON , Chilsung CHOI
Abstract: A holographic display device includes a light source configured to emit light, the light including first light of a first wavelength, second light of a second wavelength, and third light of a third wavelength; a spatial light modulator configured to form a holographic pattern to modulate the light emitted from the light source and to produce a holographic image; and a focusing optical system configured to focus the holographic image. The focusing optical system includes a fixed-focus optical system having a fixed focal length, and a variable focus optical system having a focal length that is changed by electrical control. The fixed-focus optical system is configured to focus the first light of the first wavelength, the second light of the second wavelength, and the third light of the third wavelength on different positions, respectively, on an optical axis to cancel a chromatic aberration by the variable focus optical system.
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