公开(公告)号：US20190018299A1

公开(公告)日：2019-01-17

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

CPC classification number: G02F1/29 ,  G02B5/008 ,  G02F1/0123 ,  G02F2201/12 ,  G02F2201/18 ,  G02F2202/20 ,  G02F2203/02 ,  G02F2203/10 ,  G02F2203/24 ,  G02F2203/50

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：US20180216999A1

公开(公告)日：2018-08-02

申请号：US15685280

申请日：2017-08-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Weonkyu KOH ,  Junghyun PARK

IPC: G01J3/28 ,  G01J3/02 ,  G02B5/28 ,  H01L21/8258 ,  H01L21/02

CPC classification number: G01J3/2803 ,  G01J3/0229 ,  G01J3/42 ,  G01J2003/1213 ,  G01J2003/1217 ,  G01J2003/2806 ,  G01J2003/2816 ,  G02B5/285 ,  H01L21/02521 ,  H01L21/8258

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.

公开(公告)号：US20240125902A1

公开(公告)日：2024-04-18

申请号：US18219448

申请日：2023-07-07

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  POSTECH Research and Business Development Foundation

Inventor： Sunil KIM ,  Junsuk RHO ,  Younghwan YANG ,  Junghyun PARK

IPC: G01S7/481 ,  G01S17/08 ,  G02F1/21

CPC classification number: G01S7/4814 ,  G01S17/08 ,  G02F1/21 ,  G01S17/931

Abstract: Provided is a spatial light modulator configured to modulate light, the spatial light modulator including a first reflective layer, a resonance layer on the first reflective layer, and a second reflective layer on the resonance layer, the second reflective layer including a plurality of grating structures space apart from each other, wherein the plurality of grating structures include silicon (Si) having an extinction coefficient k that is less than or equal to 1e-5 with respect to light in the predetermined wavelength band.

公开(公告)号：US20220308369A1

公开(公告)日：2022-09-29

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

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：US20220137402A1

公开(公告)日：2022-05-05

申请号：US17575189

申请日：2022-01-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun PARK ,  Sunil KIM ,  Duhyun LEE ,  Byunggil JEONG

IPC: G02B26/12 ,  G01S7/481

Abstract: Provided are a beam scanning device and a system including the beam scanning device. The beam scanning device includes: a spatial light modulator configured to modulate a phase of a light for a corresponding pixel of a plurality of pixels; and a phase mask including a support plate arranged in an output direction of the light that is output from the spatial light modulator and a plurality of nanostructures arranged on the support plate differently for each of the plurality of pixels to control the phase of the light.

公开(公告)号：US20220011642A1

公开(公告)日：2022-01-13

申请号：US17365674

申请日：2021-07-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun LEE ,  Sunil KIM ,  Junghyun PARK ,  Changgyun SHIN ,  Byunggil JEONG

IPC: G02F1/29

Abstract: Provided is a light modulation element including a first contact layer, a second contact layer, an active layer provided between the first contact layer and the second contact layer, a first contact plug provided between the first contact layer and the active layer, and a second contact plug provided between the second contact layer and the active layer, wherein a width of at least one of the first contact plug and the second contact plug is less than a width of the active layer.

公开(公告)号：US20210055626A1

公开(公告)日：2021-02-25

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

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：US20200319438A1

公开(公告)日：2020-10-08

申请号：US16904149

申请日：2020-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun PARK ,  Sunghyun Nam

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

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：US20200183148A1

公开(公告)日：2020-06-11

申请号：US16416972

申请日：2019-05-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun PARK ,  Sunil KIM ,  Duhyun LEE ,  Byunggil JEONG

IPC: G02B26/06 ,  G02B26/10 ,  G01S7/481

Abstract: Provided are a beam scanning device and a system including the beam scanning device. The beam scanning device includes: a spatial light modulator configured to modulate a phase of a light for a corresponding pixel of a plurality of pixels; and a phase mask including a support plate arranged in an output direction of the light that is output from the spatial light modulator and a plurality of nanostructures arranged on the support plate differently for each of the plurality of pixels to control the phase of the light.

公开(公告)号：US20200006923A1

公开(公告)日：2020-01-02

申请号：US16159173

申请日：2018-10-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK

IPC: H01S5/40 ,  H01S3/00 ,  H01S5/026 ,  G02F1/29

Abstract: A beam steering device is provided and includes: a first layer including a plurality of reflection regions; a second layer on the first layer and including a plurality of refractive-index-variable regions, each having a refractive index that is controlled by an applied voltage; an antenna layer on the second layer and including a plurality of nano-structures; and a driving circuit layer on a lower side of the first layer and comprising a plurality of circuit units, each respectively configured to control a voltage applied to one of the refractive-index-variable regions. The antenna layer is divided into a first region configured to control a travelling direction of incident light and a second region that is not configured to control the travelling direction of the incident light.