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    LiDAR DEVICE
    3.
    发明申请
    LiDAR DEVICE 有权

    公开(公告)号：US20230111441A1

    公开(公告)日：2023-04-13

    申请号：US17682888

    申请日：2022-02-28

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Changgyun SHIN ,  Hyunil BYUN ,  Dongjae SHIN ,  Changbum LEE

    IPC: G01S7/481

    Abstract: Provided is a light detection and ranging (LiDAR) device including a housing including a window configured to transmit light, a light transmitter provided in the housing and configured to output light toward an object outside of the housing, an optical element provided adjacent to the window, first light from among the light being incident on the optical element, a light receiver provided in the housing and configured to receive, from among the light, second light reflected from the object, and a processor configured to change a steering direction of the light such that a ratio of the first light to the light is reduced.

    LiDAR APPARATUS HAVING WIDE SCANNING ANGLE RANGE
    4.
    发明公开
    LiDAR APPARATUS HAVING WIDE SCANNING ANGLE RANGE 审中-公开

    公开(公告)号：US20240192330A1

    公开(公告)日：2024-06-13

    申请号：US18216114

    申请日：2023-06-29

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Woosung KIM ,  Dongjae SHIN ,  Eunkyung LEE ,  Hyunil BYUN ,  Changbum LEE

    IPC: G01S7/481 ,  G01S7/4911 ,  G01S7/4912

    CPC classification number: G01S7/4817 ,  G01S7/4911 ,  G01S7/4918

    Abstract: A LIDAR apparatus includes a light source module configured to generate light, an optical transmitter configured to transmit the light generated by the light source module to outside, an optical receiver configured to receive light coming from the outside, an optical detector configured to detect the light received by the optical receiver, and a processor configured to control the operation of each of the light source module and the optical transmitter, wherein the light source module includes a first tunable laser light source configured to emit light in a first wavelength band, a second tunable laser light source configured to emit light in a second wavelength band different from the first wavelength band, and a light selection element configured to select and output one of the lights emitted by the first tunable laser light source and the second tunable laser light source.

    LIDAR APPARATUS HAVING IMPROVED SIGNAL-TO-NOISE RATIO
    5.
    发明申请
    LIDAR APPARATUS HAVING IMPROVED SIGNAL-TO-NOISE RATIO 有权

    公开(公告)号：US20220003870A1

    公开(公告)日：2022-01-06

    申请号：US17135228

    申请日：2020-12-28

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyunil BYUN ,  Dongjae Shin ,  Changgyun Shin

    IPC: G01S17/58 ,  G01K13/00 ,  G01S7/481 ,  G01S7/4913 ,  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.

    OPTICAL ISOLATOR AND PHOTONIC INTEGRATED CIRCUIT INCLUDING THE SAME
    9.
    发明申请
    OPTICAL ISOLATOR AND PHOTONIC INTEGRATED CIRCUIT INCLUDING THE SAME 有权

    公开(公告)号：US20220229234A1

    公开(公告)日：2022-07-21

    申请号：US17357503

    申请日：2021-06-24

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dongjae SHIN ,  Hyunil BYUN ,  Jinmyoung KIM ,  Changgyun SHIN ,  Changbum LEE

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

    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.

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