公开(公告)号：US20240264298A1

公开(公告)日：2024-08-08

申请号：US18638182

申请日：2024-04-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Inoh HWANG

IPC: G01S13/58 ,  G01S7/481 ,  G01S13/34 ,  G01S13/931 ,  G01S13/933 ,  G01S13/937 ,  G01S17/58

CPC classification number: G01S13/583 ,  G01S7/4815 ,  G01S7/4817 ,  G01S13/34 ,  G01S13/931 ,  G01S13/933 ,  G01S13/937 ,  G01S17/58

Abstract: A radar apparatus includes a transmitter configured to transmit electromagnetic waves; a receiver configured to receive electromagnetic waves that are reflected; and a processor configured to extract a relative velocity, with respect to the radar apparatus, of at least one front object based on the electromagnetic waves received by the receiver, wherein the processor is further configured to locally adjust respective resolutions of scanning front regions based on the relative velocity of the at least one front object.

公开(公告)号：US20230119426A1

公开(公告)日：2023-04-20

申请号：US17573300

申请日：2022-01-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongchul CHO ,  Inoh HWANG ,  Kyunghyun SON

IPC: G01S7/4865 ,  H01L31/107 ,  G01S7/4863 ,  G01S17/89 ,  G01S7/481

Abstract: A laser induced light detection and ranging (LiDAR) device includes a light source configured to output light, a light detection array including a plurality of light detection elements configured to receive light that is output from the light source and reflected by an object and to convert the light into a corresponding electric signal, a lens configured to focus the light reflected by the object on the plurality of light detection elements, a prism provided between the lens and the light detection array, the prism being configured to split the light output from the lens and direct the light to be incident on the light detection array, and a processor configured to process the electrical signal, and obtain a time of flight (TOF) of the received light based on the processed electrical signal.

公开(公告)号：US20210156987A1

公开(公告)日：2021-05-27

申请号：US16851885

申请日：2020-04-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Inoh HWANG

IPC: G01S13/58 ,  G01S13/34 ,  G01S13/931 ,  G01S13/937 ,  G01S13/933 ,  G01S7/481 ,  G01S17/58

Abstract: A radar apparatus includes a transmitter configured to transmit electromagnetic waves; a receiver configured to receive electromagnetic waves that are reflected; and a processor configured to extract a relative velocity, with respect to the radar apparatus, of at least one front object based on the electromagnetic waves received by the receiver, wherein the processor is further configured to locally adjust respective resolutions of scanning front regions based on the relative velocity of the at least one front object.

公开(公告)号：US20210063842A1

公开(公告)日：2021-03-04

申请号：US16778852

申请日：2020-01-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunil BYUN ,  Inoh HWANG

IPC: G02F1/295 ,  H01Q3/26 ,  H01Q3/30

Abstract: Provided is an optical phased array including a light injector, a first splitter connected to the light injector, a first phase shifter connected to the first splitter, a plurality of waveguides connected to the first splitter, portions of the plurality of waveguides being connected to the first splitter via the first phase shifter, an antenna array connected to the plurality of waveguides, a single mode filter provided in each of the plurality of waveguides, and a first photodetector connected to the first splitter and configured to detect a portion of light radiated onto the antenna array.

公开(公告)号：US20190219675A1

公开(公告)日：2019-07-18

申请号：US16034033

申请日：2018-07-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Heesun YOON ,  Inoh HWANG ,  Tatsuhiro OTSUKA

IPC: G01S7/481 ,  G01S7/497

CPC classification number: G01S7/4817 ,  G01S7/497

Abstract: Provided is a light detection and ranging (LiDAR) system including: a light source; a beam steering device configured to steer light emitted from the light source toward an object; a light detector configured to detect light reflected from the object; and a processor. The beam steering device may include an optical phased array, including a plurality of channels, and a signal input unit which applies a plurality of driving signals to the plurality of channels. The processor is configured to perform an optimization operation including analyzing the light detected by the light detector, calculating at least one correction value, and controlling the plurality of driving signals according to the at least one correction value, in order to correct an error of the beam steering device.

公开(公告)号：US20190079166A1

公开(公告)日：2019-03-14

申请号：US16023681

申请日：2018-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungwoo KIM ,  Tatsuhiro OTSUKA ,  Heesun YOON ,  Inoh HWANG

IPC: G01S7/487 ,  G01S7/493 ,  G01S7/481 ,  G01S7/491 ,  G01S7/486

Abstract: Provided are a method of identifying light reflected from an object, from among light incident from a plurality of different directions, based on information about an irradiation angle of light irradiated by a light source, and a light detection and ranging (LiDAR) apparatus therefor.