公开(公告)号：US11808894B2

公开(公告)日：2023-11-07

申请号：US17158732

申请日：2021-01-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G01C3/08 ,  G01S7/4911 ,  G01S17/32 ,  G01S17/931

CPC classification number: G01S7/4911 ,  G01S17/32 ,  G01S17/931

Abstract: A light detection and ranging (LiDAR) device includes a transmitter configured to transmit a continuous wave light to an object and provide a local oscillator (LO) light corresponding to the transmitted continuous wave light; a delay circuit configured to time delay the LO light; a receiver configured to receive the continuous wave light reflected from an object; and a detection circuit configured to determine a distance from the LiDAR device to the object based on the time delayed LO light and the received continuous wave light.

公开(公告)号：US11675057B2

公开(公告)日：2023-06-13

申请号：US17360775

申请日：2021-06-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun Park ,  Jungwoo Kim ,  Byunggil Jeong ,  Changgyun Shin ,  Byounglyong Choi

IPC: G01S7/481 ,  G02F1/01 ,  G02F1/19 ,  G01S17/89 ,  G01S17/90

CPC classification number: G01S7/4817 ,  G01S17/89 ,  G01S17/90 ,  G02F1/0102 ,  G02F1/0121 ,  G02F1/19

Abstract: A beam scanning apparatus includes a light source configured to emit light, and a reflective phased array device configured to reflect the light emitted from the light source and incident on the reflective phased array device, and electrically adjust a reflection angle of the reflected light reflected by the reflective phased array device, wherein the light source and the reflective phased array device are disposed such the light is incident on the reflective phased array device at an incidence angle with respect to a normal of a reflective surface of the reflective phased array device.

公开(公告)号：US10969601B2

公开(公告)日：2021-04-06

申请号：US16883435

申请日：2020-05-26

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：US20200183196A1

公开(公告)日：2020-06-11

申请号：US16426861

申请日：2019-05-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongsik SHIM ,  Changgyun Shin ,  Changbum Lee

IPC: G02F1/025 ,  G01S7/481 ,  H01S5/02 ,  H01S5/028 ,  H01S5/30 ,  H01S5/40 ,  H01S5/00

Abstract: Provided in a method of fabricating an optical element array including providing a silicon substrate, providing a first element layer on the silicon substrate, the first element layer including a plurality of passive optical elements, providing a plurality of semiconductor blocks on a compound semiconductor wafer, providing semiconductor dies by dicing the compound semiconductor wafer by the plurality of semiconductor blocks, and providing a second element layer by providing the semiconductor dies on the first element layer, each of the plurality of semiconductor blocks contacting at least one corresponding passive optical element from among the plurality of passive optical elements.

公开(公告)号：US10274756B2

公开(公告)日：2019-04-30

申请号：US15364796

申请日：2016-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Changgyun Shin ,  Duhyun Lee ,  Jungwoo Kim

IPC: H01L29/78 ,  G02F1/015 ,  G02B1/00 ,  G02F1/00 ,  G02F1/29 ,  H01L29/24 ,  H01L29/786 ,  B82Y20/00

Abstract: A meta device includes a plurality of meta structures that spaced apart from each other and reflect at least a portion of incident light, a plurality of electrodes that are spaced apart from each other, and a controller configured to control a phase shift of reflected light using a voltage applied to the plurality of electrodes.

公开(公告)号：US12189032B2

公开(公告)日：2025-01-07

申请号：US17135228

申请日：2020-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunil Byun ,  Dongjae Shin ,  Changgyun Shin

IPC: G01C3/08 ,  G01K13/00 ,  G01S7/481 ,  G01S7/4913 ,  G01S17/58 ,  G01S17/931 ,  G02F1/313

Abstract: Provided is a light detection and ranging (LiDAR) apparatus including a light source configured to generate light, an optical transmitter configured to emit the light generated by the light source to outside of the LiDAR apparatus, an optical receiver configured to receive light from the outside of the LiDAR apparatus, a resonance-type photodetector configured to selectively amplify and detect light having a same wavelength as a wavelength of light generated by the light source among the light received by the optical receiver, and a processor configured to control the light source and the resonance-type photodetector, wherein the resonance-type photodetector includes a resonator, a phase modulator provided on the resonator and configured to control a phase of light traveling along the resonator based on control of the processor, and an optical detector configured to detect an intensity of the light traveling along the resonator.

公开(公告)号：US20240411024A1

公开(公告)日：2024-12-12

申请号：US18435085

申请日：2024-02-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongjae SHIN ,  Hyunilo Byun ,  Changgyun Shin ,  Bongyong Jang

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

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：US20240201385A1

公开(公告)日：2024-06-20

申请号：US18591472

申请日：2024-02-29

Applicant: SAMSUNG ELECTRONICS CO.,LTD.

Inventor： Dongjae SHIN ,  Jisan Lee ,  Hyunil Byun ,  Changgyun Shin ,  Inoh Hwang

IPC: G01S17/894 ,  G01S7/4865 ,  G01S17/04

CPC classification number: G01S17/894 ,  G01S17/04 ,  G01S7/4865

Abstract: An object detection device may include: a converter configured to convert a transmission signal radiated towards an object into a digital transmission signal and a received signal reflected from the object into a digital received signal, according to a predetermined sampling period; and at least one processor configured to: interpolate between elements of the digital transmission signal and the digital received signal that have the predetermined sampling period, to obtain an interpolated transmission signal and an interpolated received signal; remove noise from each of the interpolated transmission signal and the interpolated received signal; generate a cross-correlation signal between the interpolated transmission signal from which the noise is removed and the interpolated received signal from which the noise is removed; and acquire a three-dimensional (3D) image of the object based on at least one peak value of the cross-correlation signal.

公开(公告)号：US12015237B2

公开(公告)日：2024-06-18

申请号：US17095435

申请日：2020-11-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongjae Shin ,  Hyunil Byun ,  Changgyun Shin

IPC: H01S3/10 ,  G01S7/481 ,  H01S3/063 ,  H01S3/08031 ,  H01S3/082 ,  H01S3/083 ,  H01S3/106 ,  H01S5/00 ,  H01S5/02 ,  H01S5/06 ,  H01S5/065 ,  H01S5/10 ,  H01S5/14

CPC classification number: H01S3/10023 ,  H01S3/0637 ,  H01S5/0071 ,  H01S5/0612 ,  H01S5/0654 ,  H01S5/1071 ,  H01S5/142 ,  G01S7/4814 ,  G01S7/4817 ,  H01S3/08031 ,  H01S3/082 ,  H01S3/0826 ,  H01S3/083 ,  H01S3/106 ,  H01S5/021 ,  H01S5/0218

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.

公开(公告)号：US11968848B2

公开(公告)日：2024-04-23

申请号：US17071364

申请日：2020-10-15

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  CALIFORNIA INSTITUTE OF TECHNOLOGY

Inventor： Seunghoon Han ,  Kwanghee Lee ,  Yongwan Jin ,  Yongsung Kim ,  Changgyun Shin ,  Jeongyub Lee ,  Amir Arbabi ,  Andrei Faraon ,  Yu Horie

IPC: H10K39/32 ,  H01L27/146

CPC classification number: H10K39/32 ,  H01L27/14621 ,  H01L27/14636 ,  H01L27/14645

Abstract: An image sensor includes a first light sensor layer including light sensing cells configured to sense first light of an incident light and generate electrical signals based on the sensed first light, and a color filter array layer disposed on the first light sensor layer, and including color filters respectively facing the light sensing cells. The image sensor further includes a second light sensor layer disposed on the color filter array layer, and configured to sense second light of the incident light and generate an electrical signal based on the sensed second light. Each of the color filters includes a nanostructure including a first material having a first refractive index, and a second material having a second refractive index greater than the first refractive index, the first material and the second material being alternately disposed with a period.