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公开(公告)号：US12013486B2
公开(公告)日：2024-06-18
申请号：US17400906
申请日：2021-08-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Inoh Hwang , Dongjae Shin , Jungwoo Kim , Junghyun Park , Byunggil Jeong , Byounglyong Choi
IPC: G01S7/48 , G01S7/00 , G01S7/4865 , G01S17/06 , G01S17/10 , G01S17/89 , G02B26/10 , G02B27/00 , G02F1/01 , G02F1/29 , G11B7/2433
CPC classification number: G01S7/4808 , G01S7/003 , G01S7/4865 , G01S17/06 , G01S17/10 , G01S17/89 , G02B26/10 , G02B27/0087 , G02F1/0126 , G02F1/292 , G11B7/2433 , G02F2202/30 , G02F2203/50
Abstract: A light detection and ranging (LiDAR) system is provided including a beam steering device configured to modulate a phase of light from a light source and to output light in a plurality of directions at the same time, a receiver including a plurality of light detection elements configured to receive light that has been irradiated onto an object in the plurality of directions from the beam steering device and reflected from the object, and a processor configured to analyze position-specific distribution and/or time-specific distribution of light received by the receiver and to individually process the light lights irradiated onto the object in the plurality of directions.
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公开(公告)号：US11543527B2
公开(公告)日：2023-01-03
申请号：US16441544
申请日：2019-06-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Tatsuhiro Otsuka , Duhyun Lee
Abstract: Provided is a beam scanning apparatus including a plurality of antenna resonators disposed two-dimensionally in a row direction and a column direction, a plurality of row voltage lines that are configured to provide a plurality of driving voltages in a row direction, respectively, a plurality of column voltage lines that are configured to provide a plurality of driving voltages in a column direction, respectively, and a driving voltage conversion circuit configured to control a driving voltage applied to each of the plurality of antenna resonators based on a driving voltage in the row direction that is provided from each of the plurality of row voltage lines and a driving voltage in the column direction that is provided from each of the plurality of column voltage lines.
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公开(公告)号：US11256081B2
公开(公告)日：2022-02-22
申请号：US16416972
申请日：2019-05-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Sunil Kim , Duhyun Lee , Byunggil Jeong
Abstract: Provided are a beam scanning device and a system including the beam scanning device. The beam scanning device includes: a spatial light modulator configured to modulate a phase of a light for a corresponding pixel of a plurality of pixels; and a phase mask including a support plate arranged in an output direction of the light that is output from the spatial light modulator and a plurality of nanostructures arranged on the support plate differently for each of the plurality of pixels to control the phase of the light.
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公开(公告)号：US20210325517A1
公开(公告)日：2021-10-21
申请号：US17360775
申请日：2021-06-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Jungwoo Kim , Byunggil Jeong , Changgyun Shin , Byounglyong Choi
Abstract: A beam scanning apparatus includes a light source configured to emit light, and a reflective phased array device configured to reflect the light emitted from the light source and incident on the reflective phased array device, and electrically adjust a reflection angle of the reflected light reflected by the reflective phased array device, wherein the light source and the reflective phased array device are disposed such the light is incident on the reflective phased array device at an incidence angle with respect to a normal of a reflective surface of the reflective phased array device.
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公开(公告)号：US11119191B2
公开(公告)日：2021-09-14
申请号：US15861245
申请日：2018-01-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Inoh Hwang , Dongjae Shin , Jungwoo Kim , Junghyun Park , Byunggil Jeong , Byounglyong Choi
IPC: G01S7/48 , G02F1/29 , G02B27/00 , G01S7/00 , G02B26/10 , G01S17/06 , G01S7/4865 , G01S17/10 , G11B7/2433 , G02F1/01 , G01S17/89
Abstract: A light detection and ranging (LiDAR) system is provided including a beam steering device configured to modulate a phase of light from a light source and to output light in a plurality of directions at the same time, a receiver including a plurality of light detection elements configured to receive light that has been irradiated onto an object in the plurality of directions from the beam steering device and reflected from the object, and a processor configured to analyze position-specific distribution and/or time-specific distribution of light received by the receiver and to individually process the light lights irradiated onto the object in the plurality of directions.
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Patent Agency Ranking
公开(公告)号：US10955725B2
公开(公告)日：2021-03-23
申请号：US16159173
申请日：2018-10-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park
Abstract: A beam steering device is provided and includes: a first layer including a plurality of reflection regions; a second layer on the first layer and including a plurality of refractive-index-variable regions, each having a refractive index that is controlled by an applied voltage; an antenna layer on the second layer and including a plurality of nano-structures; and a driving circuit layer on a lower side of the first layer and comprising a plurality of circuit units, each respectively configured to control a voltage applied to one of the refractive-index-variable regions. The antenna layer is divided into a first region configured to control a travelling direction of incident light and a second region that is not configured to control the travelling direction of the incident light.
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公开(公告)号：US10824043B2
公开(公告)日：2020-11-03
申请号：US16134614
申请日：2018-09-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Sangwook Kim , Sunil Kim
Abstract: An optical modulation device and an apparatus including the same are provided. The optical modulation device may include a reflector, a nano-antenna array placed opposite to the reflector, and an active layer that is placed between the reflector and the nano-antenna array. The optical modulation device may further include a first insulating layer placed between the reflector and the active layer, a second insulating layer placed between the active layer and the nano-antenna array, and a wiring structure that electrically contacts the active layer. The wiring structure may be provided in at least one of a first place between the active layer and the first insulating layer and a second place between the active layer and the second insulating layer.
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公开(公告)号：US12032266B2
公开(公告)日：2024-07-09
申请号：US17371821
申请日：2021-07-09
Applicant: SAMSUNG ELECTRONICS CO., LTD. , The Board of Trustees of the Leland Stanford Junior University
Inventor： Junghyun Park , Yifei Wang , Mark L. Brongersma
CPC classification number: G02F1/292 , G02F1/0147 , H01Q3/36 , H01Q3/46 , H04B7/0617 , H04B10/548 , G02F2203/10 , G02F2203/50
Abstract: Provided is a phase modulator including an antenna pattern, a lower reflective layer spaced apart from the antenna pattern in a vertical direction, a spacer provided between the antenna pattern and the lower reflective layer, and a phase shift pattern included in the spacer, the phase shift pattern including a phase shift material.
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公开(公告)号：US11751288B2
公开(公告)日：2023-09-05
申请号：US16713254
申请日：2019-12-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park
IPC: H05B1/02 , F21V7/00 , F21V5/00 , H05B6/46 , F21W107/10
CPC classification number: H05B1/0236 , F21V5/00 , F21V7/00 , H05B6/46 , F21W2107/10 , H05B2203/017
Abstract: A heat-emitting transparent plate includes a heat-emitting region that is transparent to visible light and is a region that emits heat by absorbing infrared rays. The heat-emitting region includes a meta-surface, and the meta-surface includes a plurality of meta-patterns to absorb infrared rays. A method of manufacturing a heat-emitting transparent plate includes forming a material layer on a transparent substrate and forming a plurality of patterns on the transparent substrate by patterning the material layer. The plurality of patterns include a material that is transparent to visible light and that emits heat by absorbing infrared rays, and a pitch of the plurality of patterns is less than a wavelength of the infrared rays. A heat-emitting device includes the heat-emitting transparent plate and a light source.
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公开(公告)号：US11747614B2
公开(公告)日：2023-09-05
申请号：US17575189
申请日：2022-01-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Sunil Kim , Duhyun Lee , Byunggil Jeong
CPC classification number: G02B26/127 , G01S7/4817
Abstract: Provided are a beam scanning device and a system including the beam scanning device. The beam scanning device includes: a spatial light modulator configured to modulate a phase of a light for a corresponding pixel of a plurality of pixels; and a phase mask including a support plate arranged in an output direction of the light that is output from the spatial light modulator and a plurality of nanostructures arranged on the support plate differently for each of the plurality of pixels to control the phase of the light.
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