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公开(公告)号：US12174513B2
公开(公告)日：2024-12-24
申请号：US17101200
申请日：2020-11-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Sunil Kim , Duhyun Lee , Byunggil Jeong
Abstract: Provided is an optical modulating device including an incidence optical system, an optical modulating assembly including a plurality of nano-antennas that form a meta-grating based on a driving signal, the optical modulating assembly being configured to change a traveling direction of incidence light incident at an incidence angle from the incidence optical system based on an effective displacement of the meta-grating according to the driving signal, and an emission optical system configured to emit light steered by the optical modulating assembly, wherein the emission optical system is further configured to emit first-order diffraction light of the incidence light based on the meta-grating.
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公开(公告)号：US11415819B2
公开(公告)日：2022-08-16
申请号：US16860527
申请日：2020-04-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhyun Lee , Bochul Park , Sunil Kim , Junghyun Park , Byunggil Jeong
Abstract: A beam steering apparatus includes a substrate; at least one light source provided on the substrate; a first waveguide configured to transmit a first light beam radiated from the at least one light source; at least one beam splitter configured to split the first light beam transmitted by the first waveguide to obtain a second light beam; a second waveguide configured to receive the second light beam; and a quantum dot optical amplifier provided on the second waveguide and comprising a barrier layer, a quantum dot layer, and a wetting layer, the quantum dot optical amplifier being configured to modulate a phase of the second light beam, and to amplify an intensity of the second light beam.
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公开(公告)号：US20210349190A1
公开(公告)日：2021-11-11
申请号：US17379546
申请日：2021-07-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunggil Jeong , Jaeduck Jang , Duhyun Lee
Abstract: An optical scanning device includes a light source configured to emit first light in a first wavelength range and second light in a second wavelength range, a beam divider configured to allow the first light to travel in a first direction, and receive the second light, and allow the second light to travel in a second direction different from the first direction, a first optical modulator configured to receive the first light, and modulate a phase of the first light received by the first optical modulator to change a travelling direction of the first light received by the first optical modulator, and a second optical modulator configured to receive the second light, and modulate a phase of the second light received by the second optical modulator to change a travelling direction of the second light received by the second optical modulator.
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公开(公告)号：US11085996B2
公开(公告)日：2021-08-10
申请号：US16277071
申请日：2019-02-15
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：US10670941B2
公开(公告)日：2020-06-02
申请号：US15971044
申请日：2018-05-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Jisoo Kyoung , Sunil Kim , Changgyun Shin , Byunggil Jeong , Byounglyong Choi
Abstract: Provided are an optical modulation device and a method of operating the same. The optical modulation device may include a nano-antenna, a conductor, and an active layer located between the nano-antenna and the conductor. The optical modulation device may further include a first dielectric layer located between the active layer and the conductor and a second dielectric layer located between the active layer and the nano-antenna. The optical modulation device may further include a signal applying unit configured to independently apply an electrical signal to at least two of the nano-antenna, the active layer, and the conductor.
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Patent Agency Ranking
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：US11774558B2
公开(公告)日：2023-10-03
申请号：US17379546
申请日：2021-07-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunggil Jeong , Jaeduck Jang , Duhyun Lee
CPC classification number: G01S7/4817 , G01S7/4814 , G01S7/4815 , G01S17/42 , G02B27/141 , G02B27/283 , G02F1/292 , G02F1/291 , G02F2203/50
Abstract: An optical scanning device includes a light source configured to emit first light in a first wavelength range and second light in a second wavelength range, a beam divider configured to allow the first light to travel in a first direction, and receive the second light, and allow the second light to travel in a second direction different from the first direction, a first optical modulator configured to receive the first light, and modulate a phase of the first light received by the first optical modulator to change a travelling direction of the first light received by the first optical modulator, and a second optical modulator configured to receive the second light, and modulate a phase of the second light received by the second optical modulator to change a travelling direction of the second light received by the second optical modulator.
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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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