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.

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

IPC: G02F1/03 ,  G02F1/01 ,  G02B26/10 ,  G02F1/09

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

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.

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

IPC: H01S5/125 ,  H01S5/14 ,  H01S5/024 ,  H01S5/026

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.

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

IPC: G02F1/017 ,  G02F1/01 ,  G02F1/19

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.

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

IPC: G02F1/015 ,  H01S5/183 ,  H01S5/00

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.

公开(公告)号：US20190369457A1

公开(公告)日：2019-12-05

申请号：US16134614

申请日：2018-09-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun PARK ,  Sangwook KIM ,  Sunil KIM

IPC: G02F1/19 ,  G02F1/01 ,  G02F1/1343 ,  G02B5/00

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.

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

IPC: G02F1/19 ,  G02F1/01

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.

公开(公告)号：US20190064417A1

公开(公告)日：2019-02-28

申请号：US16118033

申请日：2018-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  The Board of Trustees of the Leland Stanford Junior University

Inventor： Wonjae JOO ,  Mark L. BRONGERSMA ,  Junghyun PARK

IPC: G02B5/32 ,  G02F1/29 ,  G03H1/26 ,  G02B6/293

Abstract: A beam steering method and device are provided. The beam steering method includes outputting, from a hologram recording medium on which a plurality of signal light beams having different steering information are recorded, signal light beam having specific steering information, by making reference light having a specific characteristic incident on the hologram recording medium. The method further includes o obtaining information about an object existing in the external environment based on the output signal light.

公开(公告)号：US20250116911A1

公开(公告)日：2025-04-10

申请号：US18583161

申请日：2024-02-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young KIM ,  Junghyun PARK ,  Sunil KIM ,  Minkyung LEE ,  Byunggil JEONG

IPC: G02F1/31

Abstract: A beam scanning device includes a light modulation array and a processor. The light modulation array is configured to scan an external space based on phase modulating a plurality of light beams and, in a state in which the plurality of light beams are arranged in a first direction, sequentially steering the plurality of light beams in a second direction different from the first direction. The processor is configured to control the light modulation array to cause a degree of steering shift of the light modulation array to vary depending on whether a region of interest is located in the external space.