公开(公告)号：US11454808B2

公开(公告)日：2022-09-27

申请号：US16865554

申请日：2020-05-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunsung Park ,  Seunghoon Han ,  Hyeonsoo Park ,  Changgyun Shin

IPC: G02B27/14 ,  G02B27/00 ,  G02B26/06 ,  G02B1/00

Abstract: Provided is a metalens including a first metasurface including a plurality of first nanostructures disposed based on a first shape distribution, and a second metasurface spaced apart from the first metasurface at a distance greater than a central wavelength of a predetermined wavelength band, the second metasurface including a plurality of second nanostructures disposed based on a second shape distribution, wherein the metalens provides chromatic aberration for light in the predetermined wavelength band.

公开(公告)号：US11428961B2

公开(公告)日：2022-08-30

申请号：US16523530

申请日：2019-07-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changbum Lee ,  Changgyun Shin ,  Byounglyong Choi

IPC: G02F1/017 ,  H01S5/026 ,  H01S5/50 ,  H01S5/343

Abstract: A variable wavelength light source and an apparatus including the same are disclosed. The variable wavelength light source includes: a first waveguide; a second waveguide spaced apart from the first waveguide; a first optical amplifier including a first gain medium; and a second optical amplifier including a second gain medium that is different from the first gain medium.

公开(公告)号：US11237452B2

公开(公告)日：2022-02-01

申请号：US15683879

申请日：2017-08-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jisoo Kyoung ,  Seokho Song ,  Changgyun Shin ,  Duhyun Lee

IPC: G02F1/29

Abstract: An optical modulating device, a beam steering device, and a system employing the same are provided. The optical modulating device includes an active layer, a driver configured to electrically control a refraction index of the active layer, and a nano-antenna disposed on the active layer, and having a dual nano-antenna structure including a first nano-antenna and a second nano-antenna, the first nano-antenna having a length different from a length of the second nano-antenna, and the first nano-antenna being spaced apart from the second nano-antenna. The driver includes a first driver electrically connected to the first nano-antenna, and a second driver electrically connected to the second nano-antenna.

公开(公告)号：US10754222B2

公开(公告)日：2020-08-25

申请号：US16190912

申请日：2018-11-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changgyun Shin ,  Dongjae Shin ,  Dongsik Shim ,  Changbum Lee

IPC: G02F1/295 ,  H01S5/14 ,  H01S5/06 ,  H01S5/40 ,  H01S3/10 ,  H01S5/00 ,  H01S5/02 ,  H01S3/063 ,  H01S5/026

Abstract: A light steering apparatus is provided including a tunable laser source and a system including the light steering apparatus. The light steering apparatus includes the tunable laser source and a steering device. A plurality of laser beams having optical coherence with each other and output from the tunable laser source are incident onto the steering device, and the steering device includes a plurality of modulation units for beam steering.

公开(公告)号：US10725310B2

公开(公告)日：2020-07-28

申请号：US16557113

申请日：2019-08-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunghyun Nam ,  Sookyoung Roh ,  Seokho Yun ,  Changgyun Shin ,  Hyungue Hong

IPC: G02B27/42 ,  G02B27/10 ,  G02B3/00 ,  H01L27/146 ,  H04N9/07

Abstract: Color separation devices, and image sensors including the color separation devices and color filters, include at least two transparent bars that face each other with a gap therebetween. Mutually-facing surfaces of the at least two transparent bars are separated from each other by the gap such that the at least two transparent bars allow diffraction of visible light passing therebetween. The at least two transparent bars have a refractive index greater than a refractive index of a surrounding medium.

公开(公告)号：US12105196B2

公开(公告)日：2024-10-01

申请号：US17039190

申请日：2020-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changgyun Shin

IPC: G01S17/32 ,  G01S7/481 ,  G01S17/48

CPC classification number: G01S17/32 ,  G01S7/481 ,  G01S17/48

Abstract: Provided is a light detection and ranging (LiDAR) device including a light emitter configured to emit light, a first light detector, and a second light detector, wherein the first light detector includes a first optical antenna element having a first directivity with respect to a first direction, and a first light detection element configured to detect first reflected light received by the first optical antenna element, wherein the second light detector includes a second optical antenna element having a second directivity with respect to a second direction different from the first direction, and a second light detection element configured to detect second reflected light received by the second optical antenna element.

公开(公告)号：US11822160B2

公开(公告)日：2023-11-21

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

CPC classification number: G02F1/0018 ,  G02B26/06 ,  G02F1/0316 ,  G02F1/19 ,  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：US20230228938A1

公开(公告)日：2023-07-20

申请号：US18114772

申请日：2023-02-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongjae Shin ,  Hyunil Byun ,  Jinmyoung Kim ,  Changgyun Shin ,  Changbum Lee

IPC: G02B6/12 ,  G01S7/481 ,  G01S17/88

CPC classification number: G02B6/12016 ,  G01S7/4818 ,  G01S17/88 ,  G02B2006/12035 ,  G02B2006/12157

Abstract: Provided is an optical isolator including a semiconductor substrate, an optical attenuator and an optical amplifier aligned with each other on the semiconductor substrate, an input optical waveguide connected to the optical attenuator, and an output optical waveguide connected to the optical amplifier, wherein a gain of the optical amplifier decreases based on an intensity of light incident on the optical amplifier increasing, wherein a first input light incident on the optical attenuator through the input optical waveguide is output as a first output light through the output optical waveguide, and a second input light incident on the optical amplifier through the output optical waveguide is output as a second output light through the input optical waveguide, and wherein when an intensity of the first input light and an intensity of the second input light are equal, an intensity of the first output light is greater than an intensity of the second output light.

公开(公告)号：US11513226B2

公开(公告)日：2022-11-29

申请号：US16886180

申请日：2020-05-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongjae Shin ,  Hyunil Byun ,  Changgyun Shin ,  Bongyong Jang

IPC: G01S17/42 ,  G01S7/4865 ,  G01S17/26 ,  G01S17/931 ,  G01S17/00

Abstract: A light detection and ranging (LiDAR) apparatus capable of extracting speed information and distance information of objects in front thereof is provided. The LiDAR apparatus includes: a continuous wave light source configured to generate continuous wave light; a beam steering device configured to emit the continuous wave light to an object for a first time and stop emitting the continuous wave light to the object for a second time; a receiver configured to receive the continuous wave light that is reflected from the object to form a reception signal; and a signal processor configured to obtain distance information and speed information about the object based on the reception signal.

公开(公告)号：US20210384693A1

公开(公告)日：2021-12-09

申请号：US17095435

申请日：2020-11-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongjae Shin ,  Hyunil Byun ,  Changgyun Shin

IPC: H01S3/067

Abstract: Provided is a tunable laser source including a plurality of optical waveguides, at least three optical resonators provided between the plurality of optical waveguides and optically coupled to the plurality of optical waveguides, the at least three optical resonators having different lengths, and at least one optical amplifier provided on at least one of the plurality of optical waveguides, wherein a ratio of a first length of a first optical resonator of the at least three optical resonators to a second length of a second optical resonator of the at least three optical resonators is not an integer.