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公开(公告)号：US10473524B2
公开(公告)日：2019-11-12
申请号：US15685280
申请日：2017-08-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Weonkyu Koh , Junghyun Park
Abstract: An optical spectrometer may include an optical filter including a plurality of filter layers formed on a base substrate. The filter layers may include a perovskite material and at least two filter layers among the plurality of filter layers may include perovskite materials having different composition ratios from each other. The filter layers may show respective band-gap characteristics in different optical wavelength ranges from each other, in an optical absorption spectrum and/or an optical transmission spectrum.
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公开(公告)号：US10261294B2
公开(公告)日：2019-04-16
申请号：US15692537
申请日：2017-08-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Sunghyun Nam
Abstract: A varifocal lens includes a first phase plate and a second phase plate which are rotatable relative to each other about an optical axis. The first phase plate includes a plurality of first phase conversion elements, the second phase plate includes a plurality of second phase conversion elements, and the plurality of first phase conversion elements and the plurality of second phase conversion elements are arranged so that light transmitted through the first phase plate and the second phase plate is focused on different positions on the optical axis depending on a relative rotational displacement between the first phase plate and the second phase plate.
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公开(公告)号：USD797667S1
公开(公告)日：2017-09-19
申请号：US29570518
申请日：2016-07-08
Applicant: Samsung Electronics Co., Ltd.
Designer： Junghyun Park , Kyungjin Lee
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公开(公告)号：US20250116889A1
公开(公告)日：2025-04-10
申请号：US18907086
申请日：2024-10-04
Applicant: SAMSUNG ELECTRONICS CO., LTD. , The Board of Trustees of the Leland Stanford Junior University
Inventor： Nicholas Güsken , Junghwan Song , Mark Brongersma , Minkyung Lee , Junghyun Park
Abstract: Provided is an optical modulator including a substrate, and a plurality of unit structures periodically on the substrate, one of the plurality of unit structures including a heater layer on a first surface of the substrate, an antenna on a first surface of the heater layer, the antenna including a phase change material, a passivation layer on the substrate, the heater layer, and the antenna, and a reflector on a second surface of the substrate opposite to the first surface of the substrate.
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45.发明授权公开(公告)号：US12147096B2
公开(公告)日：2024-11-19
申请号：US18334838
申请日：2023-06-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Yeonsang Park , Sunil Kim , Duhyun Lee , Byunggil Jeong
Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive index.
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Patent Agency Ranking
公开(公告)号：US12025704B2
公开(公告)日：2024-07-02
申请号：US18070173
申请日：2022-11-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Tatsuhiro Otsuka , Duhyun Lee
CPC classification number: G01S17/42 , G01S7/4817 , G01S17/10 , G02B26/10 , G02F1/292
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：US11747657B2
公开(公告)日：2023-09-05
申请号：US17697791
申请日：2022-03-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park , Duhyun Lee , Byunggil Jeong
CPC classification number: G02F1/015 , H01S5/0085 , H01S5/18375 , G02F2202/10
Abstract: Provided is an optical modulator including a plurality of unit cells, an active layer including a plurality of refractive index changing areas that are separated from each other, each of the plurality of refractive index changing areas having a refractive index that changes based on an electrical signal applied thereto, a plurality of antenna patterns provided over the active layer, and a mirror layer provided under the active layer opposite to the plurality of antenna patterns.
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48.发明授权公开(公告)号：US11714301B2
公开(公告)日：2023-08-01
申请号：US16880350
申请日：2020-05-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Yeonsang Park , Sunil Kim , Duhyun Lee , Byunggil Jeong
CPC classification number: G02F1/0311 , G02B26/10 , G02F1/0147 , G02F1/0316 , G02F1/09 , G02F2201/307 , G02F2201/346
Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive index.
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公开(公告)号：US11300777B2
公开(公告)日：2022-04-12
申请号：US16904149
申请日：2020-06-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Sunghyun Nam
Abstract: A varifocal lens includes a first phase plate and a second phase plate which are rotatable relative to each other about an optical axis. The first phase plate includes a plurality of first phase conversion elements, the second phase plate includes a plurality of second phase conversion elements, and the plurality of first phase conversion elements and the plurality of second phase conversion elements are arranged so that light transmitted through the first phase plate and the second phase plate is focused on different positions on the optical axis depending on a relative rotational displacement between the first phase plate and the second phase plate.
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公开(公告)号：US20210405500A1
公开(公告)日：2021-12-30
申请号：US17101200
申请日：2020-11-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Sunil Kim , Duhyun Lee , Byunggil Jeong
IPC: G02F1/29
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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