公开(公告)号：US11022855B2

公开(公告)日：2021-06-01

申请号：US16023641

申请日：2018-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun Park ,  Changgyun Shin ,  Byounglyong Choi ,  Seunghoon Han

IPC: G02F1/00 ,  G01S7/48 ,  G02F1/29 ,  G01S7/481 ,  G01S17/931

Abstract: A beam scanning apparatus and an optical apparatus including the same are provided. The beam scanning apparatus includes a first antenna group including a plurality of first nano antennas disposed apart from each other, a first driving voltage line and a second driving voltage line connected to a first nano antenna and a second nano antenna, respectively, among the plurality of first nano antennas, the first nano antenna and the second nano antenna being respectively disposed at first ends within the first antenna group, and a first voltage divider configured to distribute a plurality of first voltages to one or more first middle nano antennas disposed between the first nano antenna and the second nano antenna, among the plurality of first nano antennas, at regular voltage intervals.

公开(公告)号：USD916075S1

公开(公告)日：2021-04-13

申请号：US29660940

申请日：2018-08-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Designer： Seungho Jung ,  Junghyun Park ,  Iksang Kim ,  Dongseok Lee

公开(公告)号：US20210103085A1

公开(公告)日：2021-04-08

申请号：US17101935

申请日：2020-11-23

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 ,  G02B6/293 ,  G02F1/29 ,  G03H1/26 ,  G03H1/28

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：US10725273B2

公开(公告)日：2020-07-28

申请号：US16291552

申请日：2019-03-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun Park ,  Sunghyun Nam

IPC: G02B15/20 ,  G02B1/00 ,  G02B3/00 ,  G02B15/24 ,  G02B15/02 ,  G02B5/18

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.

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

IPC: G02F1/29 ,  G02B5/00 ,  G02F1/01

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.

公开(公告)号：US10330889B2

公开(公告)日：2019-06-25

申请号：US15677670

申请日：2017-08-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunghyun Nam ,  Junghyun Park ,  Sanghun Lee

IPC: G02B13/00 ,  G02F1/03 ,  G02B7/10 ,  G02B1/00 ,  G02B3/00 ,  G02B5/18

Abstract: A varifocal lens includes a first phase plate including a plurality of first phase conversion elements having different sizes from each other, and a second phase plate including a plurality of second phase conversion elements having different sizes from each other, where the first phase plate and the second phase plate face each other along an optical axis and are movable relative to each other in a direction perpendicular to the optical axis to create displacement between the first phase plate and the second phase plate, and the plurality of first phase conversion elements and the plurality of second phase conversion elements are configured 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 the displacement between the first phase plate and the second phase plate.

公开(公告)号：USD808955S1

公开(公告)日：2018-01-30

申请号：US29555380

申请日：2016-02-22

Applicant: Samsung Electronics Co., Ltd.

Designer： Junghyun Park ,  Kyungjin Lee

公开(公告)号：US12140824B2

公开(公告)日：2024-11-12

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

IPC: G02F1/017 ,  G02F1/01 ,  G02F1/19 ,  B82Y20/00 ,  G02F1/015

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：US12032267B2

公开(公告)日：2024-07-09

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 ,  G02B5/08 ,  G02B5/12 ,  G02B6/28 ,  G02B6/35 ,  G02B6/42 ,  G02F1/01 ,  G02F1/015 ,  G02F1/017

CPC classification number: G02F1/31 ,  G02B5/0816 ,  G02B5/085 ,  G02B5/12 ,  G02B6/2856 ,  G02B6/3576 ,  G02B6/4269 ,  G02F1/0147 ,  G02F1/0151 ,  G02F1/017 ,  G02F2201/30 ,  G02F2201/346 ,  G02F2203/24

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.

公开(公告)号：US11977312B2

公开(公告)日：2024-05-07

申请号：US17394012

申请日：2021-08-04

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

Inventor： Junghyun Park ,  Mark L. Brongersma ,  Yifei Wang

IPC: G02F1/29 ,  B82Y20/00 ,  G02B1/00 ,  G02F1/01 ,  H04B10/548

CPC classification number: G02F1/292 ,  G02B1/002 ,  G02F1/0147 ,  B82Y20/00 ,  G02F2202/30 ,  H04B10/548

Abstract: Provided is an optical modulator including a substrate, and a plurality of meta units provided on the substrate and spaced apart from each other, wherein at least one of the plurality of meta units includes a metal layer provided on the substrate, a dielectric layer provided an upper surface and side surfaces of the metal layer, and an antenna provided on an upper surface of the dielectric layer, the antenna including phase change material, wherein a refractive index of the phase change material changes based on a voltage applied to the metal layer to modulate incident light.