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11.发明申请公开(公告)号：US20180373117A1
公开(公告)日：2018-12-27
申请号：US15800328
申请日：2017-11-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunggil JEONG
Abstract: Provided are a beam steering apparatus, a method of driving the beam steering apparatus, and a light detection and ranging (LiDAR) system including the beam steering apparatus. The beam steering apparatus includes: a phase modulation device configured to modulate a phase of incident light and emit at least first emitted light and second emitted light; and a beam reflection device configured to reflect, to an object, at least one from among the first emitted light and the second emitted light. The phase modulation device includes a plurality of channels configured to independently modulate the phase of the incident light, and a binary phase profile is formed when one of first and second phase values φ1 and φ2 is applied to each of the plurality of channels.
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公开(公告)号：US20250067849A1
公开(公告)日：2025-02-27
申请号：US18409388
申请日：2024-01-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunggil JEONG , Sunil KIM , Junghyun PARK , Minkyung LEE
Abstract: Provided are a spatial light modulator, a method of manufacturing the same, and a light detection and ranging (LiDAR) apparatus including the spatial light modulator. The spatial light modulator includes a substrate including an opening, and a plurality of pixels, wherein at least one pixel of the plurality of pixels includes a first reflective layer provided on the substrate, a cavity layer provided on the first reflective layer, and a second reflective layer provided on the cavity layer, the second reflective layer including a grating structure. The plurality of pixels are supported by the substrate and are arranged to be separated from each other.
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13.发明公开公开(公告)号：US20240201557A1
公开(公告)日：2024-06-20
申请号：US18214721
申请日：2023-06-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Minkyung LEE , Junghyun PARK , Byunggil JEONG
IPC: G02F1/29
CPC classification number: G02F1/29
Abstract: A spatial light modulator includes a substrate, a blocking layer provided on one surface of the substrate, a lower reflective layer provided on the blocking layer, an upper reflective layer facing the lower reflective layer, and a cavity layer provided between the upper reflective layer and the lower reflective layer, where the blocking layer includes a plurality of holes configured to block heat transferred from the upper reflective layer to the substrate.
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14.发明公开公开(公告)号：US20230324724A1
公开(公告)日：2023-10-12
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
CPC classification number: G02F1/0311 , G02F1/0147 , G02F1/0316 , G02B26/10 , G02F1/09 , G02F2201/346 , G02F2201/307
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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15.发明公开公开(公告)号：US20230204782A1
公开(公告)日：2023-06-29
申请号：US17867285
申请日：2022-07-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun PARK , Sunil KIM , Minkyung LEE , Byunggil JEONG
IPC: G01S17/894 , G01S17/10 , G01S7/481 , G01S7/4865 , H01S5/125
CPC classification number: G01S17/894 , G01S7/4814 , G01S7/4865 , G01S17/10 , H01S5/125
Abstract: A three-dimensional (3D) distance information acquisition system and an electronic device including the same are provided. The 3D distance information acquisition system includes: a transmitter including a light source configured to emit a light based on a time division method and a spatial light modulator configured to steer the light incident from the light source to each scan point on an object; a receiver including a photodetector configured to detect the light reflected from the scan point of the object; and a processor configured to obtain 3D distance information based on the light detected by the receiver.
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Patent Agency Ranking
公开(公告)号：US20230123994A1
公开(公告)日：2023-04-20
申请号：US17706100
申请日：2022-03-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Minkyung LEE , Sunil KIM , Junghyun PARK , Byunggil JEONG
Abstract: Provided is a spatial light modulator includes a substrate; a distributed Bragg reflector (DBR) layer provided on a surface of the substrate; a cavity layer provided on the DBR layer; a pixel layer provided on the cavity layer, the pixel layer including a plurality of pixels; and a heat blocking member provided between the plurality of pixels and configured to block heat transfer between the plurality of pixels, wherein each of the plurality of pixels includes a plurality of active meta-patterns.
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公开(公告)号：US20210088813A1
公开(公告)日：2021-03-25
申请号：US16805070
申请日：2020-02-28
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：US20210088812A1
公开(公告)日：2021-03-25
申请号：US16848433
申请日：2020-04-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Junghyun PARK , Duhyun LEE , Byunggil JEONG
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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公开(公告)号：US20200014173A1
公开(公告)日：2020-01-09
申请号：US16201455
申请日：2018-11-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Eunkyung LEE , Byunggil JEONG , Byounglyong CHOI , Jungwoo KIM
Abstract: Provided are light sensing systems and electronic apparatuses including the light sensing systems. The light sensing system includes a light source unit having a slit-shaped opening and configured to emit light through a slit-shaped opening; and a lens integrated with the light source unit on a surface of the light source unit on which the slit-shaped opening is formed. The lens is configured to make light emitted through the slit-shaped opening into a point light source at a far-field.
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公开(公告)号：US20190294019A1
公开(公告)日：2019-09-26
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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