公开(公告)号：US20230091098A1

公开(公告)日：2023-03-23

申请号：US18070173

申请日：2022-11-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junghyun PARK ,  Tatsuhiro Otsuka ,  Duhyun Lee

IPC: G01S17/42 ,  G01S7/481 ,  G01S17/10 ,  G02F1/29 ,  G02B26/10

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.

公开(公告)号：US20210208256A1

公开(公告)日：2021-07-08

申请号：US16927476

申请日：2020-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK ,  Duhyun LEE ,  Byunggil JEONG

IPC: G01S7/481 ,  G01S17/931 ,  G02F1/29

Abstract: A spatial light modulator and a beam steering apparatus including the same are provided. The spatial light modulator may include a distributed Bragg reflector provided on a substrate, a cavity provided on the distributed Bragg reflector, a grating reflector provided on the cavity, and a heater provided on the grating reflector.

公开(公告)号：US20210103095A1

公开(公告)日：2021-04-08

申请号：US17123772

申请日：2020-12-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK ,  Byounglyong CHOI

IPC: G02B6/12 ,  G01S17/36 ,  G02F1/29 ,  G01S7/481

Abstract: A beam steering device and a system using the same are provided. The beam steering device includes a plurality of transmission type optical modulation devices provided to steer an incident beam in different directions, wherein each of the plurality of transmission type optical modulation devices includes: a phase modulator including a nanoantenna in which a plurality of nanostructure rows are arranged. Each of the nanostructure rows includes a plurality of nanostructures connected to each other. A meta surface includes the plurality of nanostructure rows. Each of the transmission type optical modulation devices also includes a plurality of drivers provided which independently apply an electric signal to each of the nanostructure rows to control a phase change thereof.

公开(公告)号：US20200081275A1

公开(公告)日：2020-03-12

申请号：US16263081

申请日：2019-01-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK

IPC: G02F1/01 ,  G02F1/00 ,  G02F1/19 ,  G02B26/02 ,  G02B5/00 ,  G01S7/481 ,  G01S17/02

Abstract: Provided are an optical modulation device, a method of operating the optical modulation device, and an apparatus including the optical modulation device. The optical modulation device may include a mirror array including a plurality of mirror elements, a nano-antenna array including a plurality of nano-antennas, and an active layer disposed between the mirror array and the nano-antenna array. At least some of the plurality of mirror elements may have different refractive indices. The at least some of the plurality of mirror elements may include different materials, include different dopants, or have different doping concentrations.

公开(公告)号：US20190384138A1

公开(公告)日：2019-12-19

申请号：US16192967

申请日：2018-11-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun PARK ,  Byounglyong CHOI

IPC: G02F1/29 ,  G01S7/481

Abstract: Provided are an optical modulation device and an apparatus including the same. The optical modulation device may include a plurality of reflectors located on a driving circuit substrate, a plurality of nano-antennas located on the plurality of reflectors, and an active layer located between the plurality of reflectors and the plurality of nano-antennas and patterned to have a plurality of openings. The optical modulation device may further include a plurality of first connection members configured to electrically connect the driving circuit substrate to the plurality of reflectors and a plurality of second connection members configured to electrically connect the driving circuit substrate to the plurality of nano-antennas. The plurality of second connection members may be connected to the plurality of nano-antennas through the plurality of openings.

公开(公告)号：US20190025509A1

公开(公告)日：2019-01-24

申请号：US15977785

申请日：2018-05-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK ,  Byounglyong CHOI

IPC: G02B6/12 ,  G02F1/29 ,  G01S17/36

Abstract: A beam steering device and a system using the same are provided. The beam steering device includes a plurality of transmission type optical modulation devices provided to steer an incident beam in different directions, wherein each of the plurality of transmission type optical modulation devices includes: a phase modulator including a nanoantenna in which a plurality of nanostructure rows are arranged. Each of the nanostructure rows includes a plurality of nanostructures connected to each other. A meta surface includes the plurality of nanostructure rows. Each of the transmission type optical modulation devices also includes a plurality of drivers provided which independently apply an electric signal to each of the nanostructure rows to control a phase change thereof.

公开(公告)号：US20190011535A1

公开(公告)日：2019-01-10

申请号：US15882488

申请日：2018-01-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun PARK ,  Byunggil JEONG ,  Byounglyong CHOI

IPC: G01S7/481 ,  G02F1/29 ,  G02B26/12 ,  G01S17/08

Abstract: A beam scanning apparatus capable of adjusting a refraction angle of transmitted light and scanning a beam to a desired location is provided. In addition, an optical apparatus capable of sensing light reflected from an external object and extracting information about the external object is provided. The beam scanning apparatus includes a rotary meta lens having a plurality of meta areas in which a plurality of fine phase shift elements are arranged, and a rotation drive device that rotates the rotary meta lens. The plurality of meta areas are configured to direct transmitted light to different locations in a scanning area.

公开(公告)号：US20190004394A1

公开(公告)日：2019-01-03

申请号：US15851061

申请日：2017-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changgyun SHIN ,  Junghyun PARK ,  Dongjae SHIN ,  Eunkyung LEE

IPC: G02F1/313 ,  G01S7/481

Abstract: A beam steering device includes an optical waveguide configured to split input light into a plurality of split light along a plurality of paths and output the plurality of split light to a plurality of output terminals which are aperiodically arranged, a plurality of phase shifters provided in the plurality of paths, wherein at least two phase shifters among the plurality of phase shifters have different phase delay length, and a signal input unit configured to supply a uniform signal to each of the plurality of phase shifters.