公开(公告)号：US20210167241A1

公开(公告)日：2021-06-03

申请号：US17150634

申请日：2021-01-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eunkyung LEE ,  Jungwoo KIM ,  Byounglyong CHOI ,  Heesun YOON ,  Inoh HWANG

IPC: H01L31/173 ,  H01L31/0232 ,  G01S7/481

Abstract: A light sensing system includes a plurality of light-emitting devices arranged to have a first optical axis and a plurality of light-receiving devices arranged to have a second optical axis, the second optical axis being parallel with the first optical axis. The plurality of light-emitting devices and the plurality of light-receiving devices are formed to have a monolithically integrated structure, and the first optical axis and the second optical axis are substantially coaxial to each other, thus improving the efficiency of light reception.

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：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：US20190109256A1

公开(公告)日：2019-04-11

申请号：US15954203

申请日：2018-04-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eunkyung LEE ,  Jungwoo KIM ,  Byounglyong CHOI ,  Heesun YOON ,  Inoh HWANG

IPC: H01L31/173 ,  H01L31/0232 ,  G01S7/481

Abstract: A light sensing system includes a plurality of light-emitting devices arranged to have a first optical axis and a plurality of light-receiving devices arranged to have a second optical axis, the second optical axis being parallel with the first optical axis. The plurality of light-emitting devices and the plurality of light-receiving devices are formed to have a monolithically integrated structure, and the first optical axis and the second optical axis are substantially coaxial to each other, thus improving the efficiency of light reception.

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：US20190004312A1

公开(公告)日：2019-01-03

申请号：US15818279

申请日：2017-11-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byunggil JEONG ,  Byounglyong CHOI

IPC: G02B26/10

CPC classification number: G02B26/101 ,  G01S7/4817 ,  G01S7/499 ,  G01S17/42 ,  G02B26/06 ,  G02B26/0841 ,  G02B26/085 ,  G02B26/0858

Abstract: Provided are a hybrid two-dimensional (2D) scanner system and a method of operating the same. The hybrid 2D scanner system includes a meta-surface based one-dimensional (1D) scanner and a mechanical scanner connected to the meta-surface based 1D scanner. In this scanner system, the mechanical scanner is operated as a 1D scanner. For this purpose, one of two rotational axes included in the mechanical scanner is maintained in a fixed position during a scanning operation. The meta-surface based 1D scanner may include a base substrate, a meta-surface that is arranged on the base substrate and includes a channel array, and a power supply configured to apply a voltage to the channel array.

公开(公告)号：US20180136537A1

公开(公告)日：2018-05-17

申请号：US15815188

申请日：2017-11-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Jungwoo KIM ,  Duhyun LEE ,  Changgyun SHIN ,  Byounglyong CHOI

IPC: G02F1/29 ,  G01S7/481

Abstract: A two-dimensional (2D) light modulating device may include a plurality of phase modulating elements and a circuit board. The plurality of phase modulating elements may include a meta surface having a nano-structure. The circuit board may be configured to independently control electrical signals that are respectively transmitted to the plurality of phase modulating elements. The circuit board may include a plurality of pixel circuit units. Each of the plurality of pixel circuit units may include a transistor and a capacitor.

公开(公告)号：US20180074382A1

公开(公告)日：2018-03-15

申请号：US15700391

申请日：2017-09-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun LEE ,  Changgyun SHIN ,  Jisoo KYOUNG ,  Byounglyong CHOI

IPC: G02F1/19 ,  G02B26/06 ,  G02F1/29 ,  G02F1/00 ,  G02F1/03

CPC classification number: G02F1/19 ,  G02B26/06 ,  G02F1/0018 ,  G02F1/0316 ,  G02F1/292 ,  G02F2203/10 ,  G02F2203/50

Abstract: A phase modulation active device and a method of driving the phase modulation active device are provided. The phase modulation active device includes channels independently modulating a phase of incident light. The method includes selecting a first phase value and a second phase value to be used for the channels, setting a binary phase profile by allocating the selected first phase value or the selected second phase value to each of the channels quasi-periodically, in a sequence in which the channels are arranged, and driving the phase modulation active device, based on the set binary phase profile.

公开(公告)号：US20180024412A1

公开(公告)日：2018-01-25

申请号：US15656318

申请日：2017-07-21

Applicant: SAMSUNG ELECTRONICS CO.,LTD.

Inventor： Sunil KIM ,  Jaechul PARK ,  Duhyun LEE ,  Byounglyong CHOI

IPC: G02F1/29 ,  G02F1/00

CPC classification number: G02F1/292 ,  B82Y20/00 ,  G02F1/0018 ,  G02F1/015 ,  G02F1/29 ,  G02F2202/10 ,  H01L31/02327 ,  H01L31/103

Abstract: A beam steering device is provided including a p-n junction layer disposed on a reflective electrode layer, wherein a refractive index of the p-n junction layer is variable according to a voltage applied to the reflective electrode layer; a nanoantenna layer including a plurality of components disposed on the p-n junction layer; and a common electrode electrically connected to each of the plurality of components of the nanoantenna. The p-n junction layer may include a p-doped layer and an n-doped layer.