公开(公告)号：US20200333678A1

公开(公告)日：2020-10-22

申请号：US16921056

申请日：2020-07-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun LEE ,  Changgyun SHIN ,  Jisoo KYOUNG ,  Byounglyong CHOI

IPC: G02F1/19 ,  G02F1/29 ,  G02B26/06 ,  G02F1/00 ,  G02F1/03

Abstract: A phase modulation active device and a method of driving the phase modulation active device are provided. The phase modulation active device includes channels independently modulating a phase of incident light. The method includes selecting a first phase value and a second phase value to be used for the channels, setting a binary phase profile by allocating the selected first phase value or the selected second phase value to each of the channels quasi-periodically, in a sequence in which the channels are arranged, and driving the phase modulation active device, based on the set binary phase profile.

公开(公告)号：US20200257958A1

公开(公告)日：2020-08-13

申请号：US16508484

申请日：2019-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun LEE ,  Jaeduck JANG

IPC: G06N3/04 ,  G02B27/28 ,  G02B27/10

Abstract: Provided are an optical device which is capable of optically implementing an activation function of an artificial neural network and an optical neural network apparatus which includes the optical device. The optical device may include: a beam splitter splitting incident light into first light and second light; an image sensor disposed to sense the first light; an optical shutter configured to transmit or block the second light; and a controller controlling operations of the optical shutter, based on an intensity of the first light measured by the image sensor.

公开(公告)号：US20180059507A1

公开(公告)日：2018-03-01

申请号：US15686935

申请日：2017-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Duhyun LEE ,  Changbum LEE ,  Byounglyong CHOI

IPC: G02F1/313

CPC classification number: G02F1/3137 ,  G02F1/2955 ,  G02F2001/311 ,  G02F2201/06

Abstract: A laser beam steering device and a system including the same are provided. The laser beam steering device includes a waveguide through which a laser beam passes, and a cladding layer disposed on the waveguide. The cladding layer has a refractive index which changes according to an electrical signal applied thereto and thus a phase of a laser beam passing through the waveguide may be changed.

公开(公告)号：US20170153527A1

公开(公告)日：2017-06-01

申请号：US15355710

申请日：2016-11-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Changgyun SHIN ,  Jungwoo KIM ,  Duhyun LEE

IPC: G02F1/29

CPC classification number: G02F1/29 ,  B82Y20/00 ,  G02F1/133602 ,  G02F1/292 ,  G02F2001/133614 ,  G02F2201/34 ,  G02F2202/10 ,  G02F2202/36 ,  G02F2203/24 ,  Y10S977/932

Abstract: Provided are a beam steering device and a system including the same. The beam steering device includes a conversion layer having a refractive index which is variable via electrical control and a plurality of nanoantenna pattern layers stacked on the conversion layer. The refractive index of the conversion layer is electrically changed by a driver.

公开(公告)号：US20240310693A1

公开(公告)日：2024-09-19

申请号：US18674407

申请日：2024-05-24

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：US20210208256A1

公开(公告)日：2021-07-08

申请号：US16927476

申请日：2020-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

Abstract: A spatial light modulator and a beam steering apparatus including the same are provided. The spatial light modulator may include a distributed Bragg reflector provided on a substrate, a cavity provided on the distributed Bragg reflector, a grating reflector provided on the cavity, and a heater provided on the grating reflector.

公开(公告)号：US20180136537A1

公开(公告)日：2018-05-17

申请号：US15815188

申请日：2017-11-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Jungwoo KIM ,  Duhyun LEE ,  Changgyun SHIN ,  Byounglyong CHOI

IPC: G02F1/29 ,  G01S7/481

Abstract: A two-dimensional (2D) light modulating device may include a plurality of phase modulating elements and a circuit board. The plurality of phase modulating elements may include a meta surface having a nano-structure. The circuit board may be configured to independently control electrical signals that are respectively transmitted to the plurality of phase modulating elements. The circuit board may include a plurality of pixel circuit units. Each of the plurality of pixel circuit units may include a transistor and a capacitor.

公开(公告)号：US20180074382A1

公开(公告)日：2018-03-15

申请号：US15700391

申请日：2017-09-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun LEE ,  Changgyun SHIN ,  Jisoo KYOUNG ,  Byounglyong CHOI

IPC: G02F1/19 ,  G02B26/06 ,  G02F1/29 ,  G02F1/00 ,  G02F1/03

CPC classification number: G02F1/19 ,  G02B26/06 ,  G02F1/0018 ,  G02F1/0316 ,  G02F1/292 ,  G02F2203/10 ,  G02F2203/50

Abstract: A phase modulation active device and a method of driving the phase modulation active device are provided. The phase modulation active device includes channels independently modulating a phase of incident light. The method includes selecting a first phase value and a second phase value to be used for the channels, setting a binary phase profile by allocating the selected first phase value or the selected second phase value to each of the channels quasi-periodically, in a sequence in which the channels are arranged, and driving the phase modulation active device, based on the set binary phase profile.

公开(公告)号：US20180059223A1

公开(公告)日：2018-03-01

申请号：US15483135

申请日：2017-04-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byunggil JEONG ,  Jaeduck JANG ,  Duhyun LEE

IPC: G01S7/481 ,  G02F1/29 ,  G02B27/14 ,  G02B27/28

CPC classification number: G01S7/4817 ,  G01S7/4814 ,  G01S7/4815 ,  G01S17/42 ,  G02B27/141 ,  G02B27/283 ,  G02F1/292 ,  G02F2001/291 ,  G02F2203/50

Abstract: An optical scanning device includes a light source configured to emit first light in a first wavelength range and second light in a second wavelength range, a beam divider configured to allow the first light to travel in a first direction, and receive the second light, and allow the second light to travel in a second direction different from the first direction, a first optical modulator configured to receive the first light, and modulate a phase of the first light received by the first optical modulator to change a travelling direction of the first light received by the first optical modulator, and a second optical modulator configured to receive the second light, and modulate a phase of the second light received by the second optical modulator to change a travelling direction of the second light received by the second optical modulator.

公开(公告)号：US20180024412A1

公开(公告)日：2018-01-25

申请号：US15656318

申请日：2017-07-21

Applicant: SAMSUNG ELECTRONICS CO.,LTD.

Inventor： Sunil KIM ,  Jaechul PARK ,  Duhyun LEE ,  Byounglyong CHOI

IPC: G02F1/29 ,  G02F1/00

CPC classification number: G02F1/292 ,  B82Y20/00 ,  G02F1/0018 ,  G02F1/015 ,  G02F1/29 ,  G02F2202/10 ,  H01L31/02327 ,  H01L31/103

Abstract: A beam steering device is provided including a p-n junction layer disposed on a reflective electrode layer, wherein a refractive index of the p-n junction layer is variable according to a voltage applied to the reflective electrode layer; a nanoantenna layer including a plurality of components disposed on the p-n junction layer; and a common electrode electrically connected to each of the plurality of components of the nanoantenna. The p-n junction layer may include a p-doped layer and an n-doped layer.