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1.发明申请公开(公告)号：US20250155577A1
公开(公告)日：2025-05-15
申请号：US18623643
申请日：2024-04-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wontaek SEO , Young KIM , Byunggil JEONG , Junghyun PARK , Jangwoo YOU
IPC: G01S17/894 , G01S7/481 , G01S7/484
Abstract: A three-dimensional distance information acquisition device includes a transmitter, a receiver, and a controller configured to acquire three-dimensional distance information of a scan area from a detection signal of a photodetector by controlling the transmitter and receiver. The receiver includes a receiving optical system configured to have condensing power in a first direction greater than condensing power in a second direction and condense light reflected from the scan area and incident, within a first range in the first direction, and a photodetector having a light receiving area to detect the light condensed within the first range, and configured to collect the light reflected from the scan area by using the receiving optical system, and receive the light in at least one light receiving area in the first direction.
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2.发明公开公开(公告)号：US20230221416A1
公开(公告)日：2023-07-13
申请号：US17866124
申请日：2022-07-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun PARK , Sunil KIM , Minkyung LEE , Byunggil JEONG
CPC classification number: G01S7/4817 , G02F1/292 , G01S7/4815 , G02F2203/02 , G02F2203/22 , G02F2203/055
Abstract: A distance information acquisition apparatus includes a plurality of light sources configured to emit light of different wavelengths, a beam steering device including a plurality of nano-antennas and configured to form an effective grating and steer a traveling direction of light incident from the plurality of light sources at an angle of incidence by modulating a phase by displacement of the effective grating, a plurality of photodetectors respectively corresponding to the plurality of light sources and configured to detect light that is steered by the beam steering device and reflected from an object, and a processor configured to control the beam steering device to acquire distance information by steering a traveling direction of light
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公开(公告)号：US20230176445A1
公开(公告)日：2023-06-08
申请号：US17830977
申请日：2022-06-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunggil JEONG , Sunil KIM , Junghyun PARK , Minkyung LEE
IPC: G02F1/29
CPC classification number: G02F1/292 , G02F2203/24 , G02F2203/50
Abstract: A spatial light modulator and an electronic apparatus including the spatial light modulator are provided. The spatial light modulator may include: a plurality of pixels configured to steer incident light; and a plurality of thermoelectric layers in which heat transfer with the plurality of pixels occurs. The plurality of pixels may include a plurality of grating structures.
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公开(公告)号：US20190025408A1
公开(公告)日：2019-01-24
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
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：US20180366824A1
公开(公告)日：2018-12-20
申请号：US15870548
申请日：2018-01-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongsik SHIM , Byunggil JEONG , Junghyun PARK , Byounglyong CHOI
Abstract: Disclosed is a beam steering device capable of adjusting a reflection angle of incident light and reflecting the incident light to a desired location. Also disclosed is an optical apparatus configured to detect light reflected from an external object and to extract information with respect to the external object. The beam steering device includes: a substrate; an antenna layer disposed on the substrate; a dielectric layer covering the antenna layer; a refractive index changing layer disposed on the dielectric layer; and an electrode layer disposed on the refractive index changing layer.
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Patent Agency Ranking
公开(公告)号：US20220308369A1
公开(公告)日：2022-09-29
申请号：US17842327
申请日：2022-06-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhyun LEE , Changgyun SHIN , Sunil KIM , Junghyun PARK , Byunggil JEONG
Abstract: A light modulator for amplifying an intensity of incident light and modulating a phase of the incident light is provided. The light modulator includes: a first distributed Bragg reflector (DBR) layer having a first reflectivity and comprising at least two first refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; a second DBR layer having a second reflectivity and comprising at least two second refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; and an active layer disposed between the first DBR layer and the second DBR layer, and comprising a quantum well structure.
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公开(公告)号：US20220137402A1
公开(公告)日：2022-05-05
申请号：US17575189
申请日：2022-01-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun PARK , Sunil KIM , Duhyun LEE , Byunggil JEONG
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：US20220011642A1
公开(公告)日：2022-01-13
申请号：US17365674
申请日：2021-07-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhyun LEE , Sunil KIM , Junghyun PARK , Changgyun SHIN , Byunggil JEONG
IPC: G02F1/29
Abstract: Provided is a light modulation element including a first contact layer, a second contact layer, an active layer provided between the first contact layer and the second contact layer, a first contact plug provided between the first contact layer and the active layer, and a second contact plug provided between the second contact layer and the active layer, wherein a width of at least one of the first contact plug and the second contact plug is less than a width of the active layer.
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公开(公告)号：US20210055626A1
公开(公告)日：2021-02-25
申请号：US16790993
申请日：2020-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunggil JEONG , Sunil KIM , Junghyun PARK , Duhyun LEE
IPC: G02F1/31
Abstract: Provided a light modulating device including a variable mirror including a plurality of lattice structures, the plurality of lattice structures including a material having a refractive index that changes based on a temperature of the material, a distributed Bragg mirror spaced apart from the variable mirror and provided above the variable mirror, the distributed Bragg mirror including a first material layer and a second material layer that are alternately stacked, and a refractive index of the first material layer being different from a refractive index of the second material layer, and a heating portion configured to heat the plurality of lattice structures and provided below the variable mirror opposite to the distributed Bragg mirror.
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公开(公告)号：US20200183148A1
公开(公告)日：2020-06-11
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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