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公开(公告)号：US20240078941A1
公开(公告)日：2024-03-07
申请号：US18508678
申请日：2023-11-14
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
CPC classification number: G09G3/001 , G02B30/34 , G03H1/2205 , G03H1/2294 , G09G3/32 , G03H2222/34 , G09G2320/064 , G09G2330/08
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：US20230251410A1
公开(公告)日：2023-08-10
申请号：US18136673
申请日：2023-04-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Aleksander V. MOROZOV , Andrey N. PUTILIN , Sergey E. DUBYNIN , Chilsung CHOI , German B. DUBININ , Hongseok LEE , Hoon SONG
CPC classification number: G02B6/0025 , G02B5/32 , G02B27/425 , G02B27/0944
Abstract: A beam expander includes first and second optical elements spaced apart from each other, and a light diffuser having an angular aperture that diffuses incident light through the angular aperture, wherein the first optical element in-couples the diffused light such that light exiting the first optical element has a first cross-sectional shape and light having a second cross-sectional shape different from the first cross-sectional shape is incident on the second optical element, and the second optical element out-couples light incident from the first optical element.
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公开(公告)号：US20230236545A1
公开(公告)日：2023-07-27
申请号：US17885327
申请日：2022-08-10
Applicant: SAMSUNG ELECTRONICS CO., LTD. , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： Hyeonseung YU , Sung-Wook MIN , Youngrok KIM , Wontaek SEO , Daeho YANG , Hongseok LEE
CPC classification number: G03H1/2249 , G03H1/0005 , G03H1/0402 , G03H2001/2281 , G03H2226/02 , G03H2001/0436
Abstract: Provided is a holographic image processing apparatus including a memory configured to store at least one instruction, and a processor configured to execute the at least one instruction stored in the memory to generate a corrected holographic image by correcting an original holographic image captured by a holographic camera based on a neural network configured to learn hologram correction in advance.
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公开(公告)号：US20230062633A1
公开(公告)日：2023-03-02
申请号：US17752372
申请日：2022-05-24
Inventor： Bongsu Shin , Jesung Koh , Changhwan Kim , Doohoe Lee , Hongseok LEE
Abstract: A projection optical system includes a base, a mirror on the base, and a pair of first actuators provided between the base and the mirror, and facing each other. Each of the pair of first actuators includes a first electroactive polymer film having a size that varies according to an applied voltage, and a slope of the mirror is adjusted according to a change in the size of the first electroactive polymer film.
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公开(公告)号：US20220254046A1
公开(公告)日：2022-08-11
申请号：US17516990
申请日：2021-11-02
Inventor： Myungjae JEON , Kichul KIM , Yongkyu KIM , Hongseok LEE , San KIM , Hyekwan YUN , Donggeun LEE
Abstract: Provided is an accelerator provided in an electronic device and configured to perform simultaneous localization and mapping (SLAM), the accelerator including a factor graph database, a memory, and a back-end processor, wherein the back-end processor is configured to receive a first piece of data corresponding to map points and camera positions from the factor graph database, convert the received first piece of data into a matrix for the map points and a matrix for the camera positions, store, in the memory, results obtained by performing an optimization calculation on the matrix for the map points and a matrix for at least one camera position, among the camera positions, corresponding to the map points, and obtain a second piece of data optimized with respect to the first piece of data based on the results stored in the memory.
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Patent Agency Ranking
公开(公告)号：US20220154703A1
公开(公告)日：2022-05-19
申请号：US17477829
申请日：2021-09-17
Inventor： Bongsu SHIN , Jesung KOH , Hongseok LEE , Dongjin KIM , Baekgyeom KIM
IPC: F03G7/06
Abstract: A driving device includes a first driving element and a first flexible structure. The first driving element includes a first wire extending in a first direction and includes a shape memory alloy. The first flexible structure has a certain width in a second direction perpendicular to the first direction, and when the first wire contracts in the first direction, the first flexible structure has a height increasing in a third direction perpendicular to both the first direction and the second direction. The driving device further includes a second driving element including a second wire and a second flexible structure, the second wire extending in the first direction and including a shape memory alloy. The second flexible structure has a certain width in the second direction, and when the second wire contracts in the first direction, the second flexible structure has a height increasing in the third direction.
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公开(公告)号：US20210271090A1
公开(公告)日：2021-09-02
申请号：US17170269
申请日：2021-02-08
Inventor： Bongsu SHIN , Jesung KOH , Geeyoung SUNG , Hongseok LEE , Dongjin KIM , Baekgyeom KIM
IPC: G02B27/01 , G02B30/34 , H04N13/344 , H04N13/128 , H04N13/366
Abstract: Provided is an image display device including a display element configured to modulate light to form an image; a light transfer unit configured to transmit the image formed by the display element to eyes of an observer, the light transfer unit comprising a focusing member; and a driver configured to drive the display element to change a position of the display element, the driver including: a first actuator comprising a deformable wire; a housing that fixes a first end and a second end of the deformable wire; and an operating structure through which the deformable wire is routed, wherein the operating structure is configured move the display element in a first direction in conjunction with a length variation of the deformable wire, and the operating structure includes an elastic structure configured to prevent tilt with respect to an axis in the first direction.
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公开(公告)号：US20200150588A1
公开(公告)日：2020-05-14
申请号：US16385471
申请日：2019-04-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wontaek SEO , Hongseok LEE , Byunghoon NA
Abstract: Provided is a holographic display apparatus. A holographic image display apparatus includes: a light source configured to emit light, the light source including a plurality of vertical-cavity surface-emitting lasers (VCSELs) that are spaced apart from one another; a spatial light modulator configured to, based on a hologram data signal, modulate the light emitted by the light source; and a focusing optical system configured to focus an image formed by the spatial light modulator using a Maxwellian view method.
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公开(公告)号：US20190324272A1
公开(公告)日：2019-10-24
申请号：US16132648
申请日：2018-09-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wontaek SEO , Geeyoung SUNG , Sunil KIM , Bongsu SHIN , Changkun LEE , Hongseok LEE
Abstract: A three-dimensional (3D) image display apparatus is provided. The apparatus includes a plurality of light sources; a spatial light modulator configured to modulate light from the plurality of light sources according to 3D image information; and a focusing optical system configured to focus an image formed by the spatial light modulator onto a focal plane. The plurality of light sources may be arranged such that multiple focal points, respectively corresponding to the plurality of light sources, are formed on the focal plane near a pupil of a user.
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公开(公告)号：US20190324271A1
公开(公告)日：2019-10-24
申请号：US16130613
申请日：2018-09-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun LEE , Wontaek SEO , Geeyoung SUNG , Hongseok LEE
Abstract: A see-through type display apparatus includes an image forming unit; a relay optical system configured to transmit an image provided from the image forming unit and to form a primary imaging image; and an optical combiner configured to reimage the primary imaging image transmitted from the relay optical system and to form a multi-depth plane. The relay optical system includes a lens; a polarizer arranged at an angle with respect to an optical axis and configured to reflect light of light of a first polarization and transmit light of second polarization therethrough; a condensing mirror member configured to reflect and condense light incident from the polarizer; and a polarization converter configured to convert a polarization of light transmitted between the polarizer and the condensing mirror member.
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