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    OPTICAL SCANNER AND LIDAR SYSTEM INCLUDING THE SAME
    21.
    发明公开
    OPTICAL SCANNER AND LIDAR SYSTEM INCLUDING THE SAME 审中-公开

    公开(公告)号：US20240248207A1

    公开(公告)日：2024-07-25

    申请号：US18587480

    申请日：2024-02-26

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Youngchul CHO ,  Jungwoo KIM ,  Tatsuhiro OTSUKA

    IPC: G01S17/04 ,  G01S7/481 ,  G01S17/42 ,  G02B5/09 ,  G02B26/12 ,  G02B27/09

    CPC classification number: G01S17/04 ,  G01S7/4817 ,  G01S17/42 ,  G02B5/09 ,  G02B26/121 ,  G02B27/0972

    Abstract: An optical scanner includes at least one light source configured to emit light, a steering unit configured to perform scanning in a first direction based on the light emitted from the at least one light source, and a polygon mirror configured to perform, by using the light output from the steering unit, scanning in a second direction different than the first direction based on a rotation of the polygon mirror. The steering unit includes a plurality of first prisms, and each of the plurality of first prisms includes an incident facet configured to pass the light emitted from the at least one light source, and an output facet configured to refract and output the light. The polygon mirror includes a plurality of reflective facets, and each of the plurality of reflective facets is configured to that reflect the light output from the steering unit.

    LIGHT DETECTION DEVICE, LIDAR DEVICE INCLUDING THE SAME, AND METHOD OF MEASURING DISTANCE
    23.
    发明申请
    LIGHT DETECTION DEVICE, LIDAR DEVICE INCLUDING THE SAME, AND METHOD OF MEASURING DISTANCE 有权

    公开(公告)号：US20220155442A1

    公开(公告)日：2022-05-19

    申请号：US17236619

    申请日：2021-04-21

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tatsuhiro OTSUKA ,  Jungwoo KIM ,  Yongchul CHO

    IPC: G01S17/08 ,  G01S7/481

    Abstract: A light detection device may include: a light receiver comprising a plurality of light detectors configured to receive light emitted from a light emitter toward an object and reflected by the object; and a signal processor configured to process an electrical signal according to the light received by the light receiver. The light receiver includes at least one light receiving area, wherein each of the at least one light receiving area includes a plurality of sub-light receiving areas, and the plurality of light detectors are disposed in the plurality of sub-light receiving areas, respectively. The signal processor includes a plurality of transimpedance amplifiers that have a one-on-one correspondence with the plurality of light detectors, and at least one signal summer that has the one-on-one correspondence with the at least one light receiving area.

    LIDAR APPARATUS HAVING WIDE-VIEWING ANGLE
    24.
    发明申请
    LIDAR APPARATUS HAVING WIDE-VIEWING ANGLE 有权

    公开(公告)号：US20220113406A1

    公开(公告)日：2022-04-14

    申请号：US17192493

    申请日：2021-03-04

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Yongchul CHO ,  Jungwoo KIM ,  Tatsuhiro OTSUKA

    IPC: G01S17/02 ,  G01S7/484 ,  G01S7/481 ,  G02B26/08

    Abstract: A light detection and ranging (LiDAR) apparatus with a wide viewing angle includes: a first rotatable mirror array including a first plurality of inclined mirrors arranged in a circumferential direction; a plurality of light sources configured to emit light toward the first rotatable mirror array; a second rotatable mirror array including a second plurality of inclined mirrors arranged in the circumferential direction, the second rotatable mirror array facing the first rotatable mirror array to reflect the light reflected by the first rotatable mirror array to an outside of the LiDAR apparatus; and a photodetector configured to detect the light reflected by the second rotatable mirror array, wherein the plurality of light sources may be provided in a plurality of sections into which an angle range of 180 degrees or more is divided in equal intervals in the circumferential direction.

    LIDAR DEVICE AND DRIVING METHOD THEREOF
    25.
    发明申请
    LIDAR DEVICE AND DRIVING METHOD THEREOF 有权

    公开(公告)号：US20220075034A1

    公开(公告)日：2022-03-10

    申请号：US17160112

    申请日：2021-01-27

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jungwoo KIM ,  Tatsuhiro OTSUKA ,  Yongchul CHO

    IPC: G01S7/481 ,  G01S17/931 ,  G01S7/484

    Abstract: Provided are a light detection and ranging (LiDAR) device and a driving method of a LiDAR. Device. The driving method including performing a vertical scanning with respect to a subject region by using a first light reflector, performing a horizontal scanning of the subject region by using a second light reflector, and controlling a driving current applied to the first light reflector in real time during a horizontal scanning process when the vertical scanning is performed at a height different from a reference height, wherein the first light reflector has a first axis, wherein the second light reflector has a second axis, and wherein the first axis and the second axis are spaced apart from each other and perpendicular to each other.

    BEAM SCANNING APPARATUS AND OPTICAL APPARATUS INCLUDING THE SAME
    26.
    发明申请
    BEAM SCANNING APPARATUS AND OPTICAL APPARATUS INCLUDING THE SAME 审中-公开

    公开(公告)号：US20200150277A1

    公开(公告)日：2020-05-14

    申请号：US16441544

    申请日：2019-06-14

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Junghyun PARK ,  Tatsuhiro OTSUKA ,  Duhyun LEE

    IPC: G01S17/93 ,  G01S17/10 ,  G01S7/481 ,  G02F1/29

    Abstract: Provided is a beam scanning apparatus including a plurality of antenna resonators disposed two-dimensionally in a row direction and a column direction, a plurality of row voltage lines that are configured to provide a plurality of driving voltages in a row direction, respectively, a plurality of column voltage lines that are configured to provide a plurality of driving voltages in a column direction, respectively, and a driving voltage conversion circuit configured to control a driving voltage applied to each of the plurality of antenna resonators based on a driving voltage in the row direction that is provided from each of the plurality of row voltage lines and a driving voltage in the column direction that is provided from each of the plurality of column voltage lines.

    LiDAR DEVICE AND METHOD OF OPERATING THE SAME
    27.
    发明申请
    LiDAR DEVICE AND METHOD OF OPERATING THE SAME 审中-公开

    公开(公告)号：US20190064356A1

    公开(公告)日：2019-02-28

    申请号：US15870005

    申请日：2018-01-12

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

    IPC: G01S17/10

    Abstract: Provided are a LiDAR device and a method of operating the LiDAR device. The LiDAR device includes a light-emitting unit configured to emit modulated light onto an object, a light-receiving unit configured to receive the modulated light reflected by the object, a computation unit configured to calculate a distance to the object based on a reception signal of the modulated light provided by the light-receiving unit, a modulation unit configured to provide a modulation signal to the light-emitting unit to generate the modulated light, and a controller configured to control operations of at least one of the light-emitting unit, the light-receiving unit, the computation unit, and the modulation unit.

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