公开(公告)号：US20200217796A1

公开(公告)日：2020-07-09

申请号：US16456652

申请日：2019-06-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Unjeong KIM ,  Yeonsang Park ,  Younggeun Roh

IPC: G01N21/65

Abstract: Provided is a surface-enhanced Raman scattering (SERS) patch configured to be brought into contact with an object and amplify Raman light generated from the object that is irradiated by laser light. The SERS patch includes a flexible substrate including a first surface facing the object and a second surface opposite to the first surface, a SERS layer provided on the first surface and configured to amplify the Raman light generated from the object based on surface plasmons, and a metalens provided on the first surface or the second surface of the flexible substrate, the metalens being configured to focus at least one of the laser light and the amplified Raman light in a propagation direction thereof.

公开(公告)号：US10568527B2

公开(公告)日：2020-02-25

申请号：US14844437

申请日：2015-09-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngzoon Yoon ,  Jaesoong Lee ,  Jisoo Kyoung ,  Younggeun Roh ,  Yeonsang Park ,  Chanwook Baik

IPC: A61B5/021 ,  A61B5/0295 ,  A61B5/00 ,  A61B5/026 ,  A61B5/024

Abstract: A method of monitoring a blood pressure includes: emitting a laser to a blood vessel in a body part; detecting, from the body part, laser speckles caused by scattering of the emitted laser; obtaining a bio-signal indicating a change in a volume of the blood vessel by using the detected laser speckles; and estimating a blood pressure based on the obtained bio-signal.

公开(公告)号：US10466569B2

公开(公告)日：2019-11-05

申请号：US15270769

申请日：2016-09-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeonsang Park ,  Younggeun Roh

IPC: G02F1/29 ,  G02B6/126 ,  G02B27/00 ,  G02B27/28 ,  G02B5/30 ,  G02F1/01 ,  G02B1/00 ,  G02B5/00 ,  G02B26/08

Abstract: A beam steering device, an optical apparatus including the beam steering device, and a beam steering method are provided. The beam steering device includes a polarization converter adjusting a polarization direction of light that is emitted from a light source, and an antenna array receiving the light from the polarization converter and emitting light in different propagating direction depending on the polarization direction of the light from the polarization converter.

公开(公告)号：US10211597B2

公开(公告)日：2019-02-19

申请号：US15134506

申请日：2016-04-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chanwook Baik ,  Hyochul Kim ,  Yeonsang Park

IPC: H01S5/02 ,  H01S5/10 ,  H01S5/20 ,  H01S5/22 ,  H01S5/24 ,  H01S5/32 ,  H01S5/042 ,  H01S5/065 ,  H01S5/343

Abstract: A semiconductor laser resonator configured to generate a laser beam includes a gain medium layer including a semiconductor material and comprising at least one protrusion formed by at least one trench to protrude in an upper portion of the gain medium layer. In the semiconductor laser resonator, the at least one protrusion is configured to confine the laser beam as a standing wave in the at least one protrusion.

公开(公告)号：US10012824B2

公开(公告)日：2018-07-03

申请号：US15112303

申请日：2015-01-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangmo Cheon ,  Changwon Lee ,  Unjeong Kim ,  Jineun Kim ,  Younggeun Roh ,  Yeonsang Park ,  Chanwook Baik ,  Jaesoong Lee

IPC: G02F1/29 ,  G02B26/08 ,  G02B17/00 ,  G02B26/00 ,  F21K9/64 ,  G02B5/00

CPC classification number: G02B17/004 ,  F21K9/64 ,  G02B5/008 ,  G02B26/00

Abstract: Provided are an optical device and a method of controlling the direction of light from an optical device. The optical device includes: a substrate; a metal layer on the substrate; a first slot which is provided in the metal layer; and at least one light source provided in the first slot, wherein light is emitted from the at least one light source in the direction of the top part of the first slot or the bottom part of the first slot.

公开(公告)号：US09847621B2

公开(公告)日：2017-12-19

申请号：US14530015

申请日：2014-10-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Younggeun Roh ,  Sangmo Cheon ,  Unjeong Kim ,  Jineun Kim ,  Yeonsang Park ,  Changwon Lee

IPC: F21V13/08 ,  F21V7/00 ,  F21V8/00 ,  H01S5/183 ,  H01L33/02 ,  H01L33/44 ,  B82Y20/00 ,  G02B6/10 ,  H01L33/38 ,  H01S5/04 ,  H01S5/42

CPC classification number: H01S5/18391 ,  B82Y20/00 ,  G02B6/107 ,  H01L33/02 ,  H01L33/38 ,  H01L33/44 ,  H01S5/041 ,  H01S5/18383 ,  H01S5/423

Abstract: An apparatus for outputting directional light includes a light-emitting structure including a light-emitting layer that emits light, and an optical antenna layer disposed on the light-emitting structure, wherein the optical antenna layer includes a light feeder configured to resonate light output from the light-emitting layer and a light reflector configure to reflect light output from the light feeder to have directivity. The light feeder and the light reflector are formed on a surface of the optical antenna layer.

公开(公告)号：US09666675B2

公开(公告)日：2017-05-30

申请号：US15070484

申请日：2016-03-15

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Unjeong Kim ,  Younggeun Roh ,  Yeonsang Park ,  Chihun In ,  Hyunyong Choi

IPC: G02F1/00 ,  G02F1/03 ,  H01L29/16 ,  H01L29/786 ,  H01L29/45 ,  G02F1/015 ,  B82Y30/00 ,  H01L29/423 ,  H01L29/49 ,  H01L21/02 ,  G02F1/01

CPC classification number: H01L29/1606 ,  B82Y30/00 ,  G02B1/002 ,  G02F1/0121 ,  G02F1/015 ,  G02F1/0316 ,  H01L21/02318 ,  H01L29/42384 ,  H01L29/45 ,  H01L29/4908 ,  H01L29/78603 ,  H01L29/78684 ,  H01L31/035281 ,  H01L31/03529 ,  H01L31/101 ,  Y02E10/50

Abstract: A graphene device and a method of operating the same are provided. The graphene device includes: an active layer including a plurality of meta atoms spaced apart from each other, each of the meta atoms having a radial shape, and a graphene layer that contacts each of the plurality of meta atoms; and a dielectric layer covering the active layer.

公开(公告)号：US09559227B2

公开(公告)日：2017-01-31

申请号：US14744449

申请日：2015-06-19

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  UNIST Academy-Industry Research Corporation

Inventor： Unjeong Kim ,  Younggeun Roh ,  Yeonsang Park ,  Changwon Lee ,  Soojin Park ,  Seungmin Yoo

IPC: H01L31/0232 ,  H01L31/0352 ,  H01L31/0224 ,  H01L31/028 ,  H01L31/032

CPC classification number: C08J3/212 ,  B01J13/10 ,  B82B1/00 ,  C08J2353/00 ,  C08K3/08 ,  C08K2003/0831 ,  C09D5/24 ,  C09D153/00 ,  G02B5/008 ,  G02B2207/101 ,  H01L31/0224 ,  H01L31/02327 ,  H01L31/028 ,  H01L31/032 ,  H01L31/0352 ,  H01L31/112 ,  H01L31/1127 ,  Y02E10/547 ,  Y10T428/24802 ,  Y10T428/24917

Abstract: Provided are a nanostructure and an optical device including the nanostructure. The nanostructure is formed on a two-dimensional material layer such as graphene and includes nanopatterns having different shapes. The nanopattern may include a first nanopattern and a second nanopattern and may be spherical; cube-shaped; or poly-pyramid-shaped, including a triangular pyramid shape; or polygonal pillar-shaped.

Abstract translation: 提供纳米结构和包括纳米结构的光学器件。 纳米结构形成在诸如石墨烯的二维材料层上，并且包括具有不同形状的纳米图案。 纳米图案可以包括第一纳米图案和第二纳米图案，并且可以是球形的; 立方体形 或多角锥形，包括三角锥形; 或多边形柱状。

公开(公告)号：US09553083B2

公开(公告)日：2017-01-24

申请号：US14804830

申请日：2015-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SNU R&DB FOUNDATION

Inventor： Yeonsang Park ,  Byoungho Lee ,  Sungwoo Hwang ,  Younggeun Roh ,  Changwon Lee

IPC: H01L23/34 ,  H01L27/02 ,  H01L23/373

CPC classification number: H01L27/0248 ,  H01L23/373 ,  H01L23/3733 ,  H01L23/3738 ,  H01L2924/0002 ,  H01L2924/00

Abstract: An apparatus configured to control a heat flow is provided. The apparatus may include a semiconductor device region formed in a matrix; a heat rectifier region formed adjacent to the semiconductor device region; and a heat flow blocker formed in at least one region contacting the semiconductor device region and the heat rectifier region.

Abstract translation: 提供了一种配置成控制热流的装置。 该装置可以包括形成在矩阵中的半导体器件区域; 与所述半导体器件区域相邻形成的热交换器区域; 以及形成在与半导体器件区域和热整流器区域接触的至少一个区域中的热流阻塞器。