公开(公告)号：US20230117032A1

公开(公告)日：2023-04-20

申请号：US17747441

申请日：2022-05-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G01S7/481 ,  G02B5/28 ,  G02B5/18

Abstract: A spatial light modulator and a light detection and ranging (LiDAR) apparatus including the spatial light modulator are provided. The spatial light modulator includes: a first reflective layer; a second reflective layer comprising a plurality of grating structures spaced apart from each other; a resonance layer provided between the first reflective layer and the second reflective layer; and a filling layer having a heat transfer coefficient of about 100 mW/mK or less and being in contact with an upper surface of the resonance layer while surrounding at least one grating structure of the plurality of grating structures.

公开(公告)号：US20220197105A1

公开(公告)日：2022-06-23

申请号：US17356077

申请日：2021-06-23

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  CALIFORNIA INSTITUTE OF TECHNOLOGY

Inventor： Junghyun PARK ,  Meir GRAJOWER ,  Harry ATWATER ,  Ruzan SOHKOYAN ,  Prachi THUREJA

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

Abstract: A light modulating device for modulating incident light in a given wavelength band is provided. The light modulating device may include: a first semiconductor layer; an active layer provided on the first semiconductor layer and having a multiple quantum well structure and a refractive index that is variable according to an electric field applied thereto, and a second semiconductor layer provided on the active layer and including a grating pattern in which a plurality of gratings extending in a first direction are repeatedly arranged in a second direction perpendicular to the first direction. The light modulating device may have high modulation efficiency owing to guided mode resonance by the grating pattern.

公开(公告)号：US20220057642A1

公开(公告)日：2022-02-24

申请号：US17166641

申请日：2021-02-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B27/10

Abstract: A spatial light modulator and a beam steering apparatus including the same are provided. The spatial light modulator includes a first reflective layer; a cavity layer provided on the first reflective layer; and a reflective layer including a plurality of unit lattice structures that are provided on the cavity layer are and spaced apart from each other. Each of the plurality of unit lattice structures has a polycrystalline structure, and at least one grain of the polycrystalline structure has a column shape and a height equal to a height of the plurality of unit lattice structures.

公开(公告)号：US20220013905A1

公开(公告)日：2022-01-13

申请号：US17371821

申请日：2021-07-09

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  The Board of Trustees of the Leland Stanford Junior University

Inventor： Junghyun PARK ,  Yifei Wang ,  Mark L. Brongersma

IPC: H01Q3/36 ,  H01Q3/46 ,  H04B7/06

Abstract: Provided is a phase modulator including an antenna pattern, a lower reflective layer spaced apart from the antenna pattern in a vertical direction, a spacer provided between the antenna pattern and the lower reflective layer, and a phase shift pattern included in the spacer, the phase shift pattern including a phase shift material.

公开(公告)号：US20210173239A1

公开(公告)日：2021-06-10

申请号：US16880350

申请日：2020-05-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/03 ,  G02F1/01 ,  G02F1/09 ,  G02B26/10

Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive index

公开(公告)号：US20210149227A1

公开(公告)日：2021-05-20

申请号：US16860527

申请日：2020-04-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/017 ,  G02B6/12 ,  G02F3/02 ,  B82Y20/00 ,  G02B6/34 ,  B82Y10/00

Abstract: A beam steering apparatus includes a substrate; at least one light source provided on the substrate; a first waveguide configured to transmit a first light beam radiated from the at least one light source; at least one beam splitter configured to split the first light beam transmitted by the first waveguide to obtain a second light beam; a second waveguide configured to receive the second light beam; and a quantum dot optical amplifier provided on the second waveguide and comprising a barrier layer, a quantum dot layer, and a wetting layer, the quantum dot optical amplifier being configured to modulate a phase of the second light beam, and to amplify an intensity of the second light beam.

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.

公开(公告)号：US20190212966A1

公开(公告)日：2019-07-11

申请号：US16242741

申请日：2019-01-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joonyoung LEE ,  Namhyun KIM ,  Jinjoo CHUNG ,  Doochan HWANG ,  Minho KIM ,  Junghyun PARK

IPC: G06F3/14 ,  H04B10/116 ,  H04B10/114 ,  H04L29/08

CPC classification number: G06F3/1454 ,  H04B10/1141 ,  H04B10/116 ,  H04L67/141 ,  H04N21/4126 ,  H04N21/812

Abstract: An electronic apparatus includes a receiver configured to receive data output through a screen of an external display, a memory storing one or more instructions, and a controller including at least one processor configured to execute the one or more instructions stored in the memory, wherein, based on the external display outputting an image corresponding to content, the controller is configured to obtain data that is output through the image, the data including first data including information associated with the content, obtain network connection information for connecting to a network associated with the content based on the first data, and control, by using the network connection information, at least one of the electronic apparatus and an external electronic apparatus, to be connected to the network.

公开(公告)号：US20190079367A1

公开(公告)日：2019-03-14

申请号：US16023641

申请日：2018-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun PARK ,  Changgyun SHIN ,  Byounglyong CHOI ,  Seunghoon HAN

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

Abstract: A beam scanning apparatus and an optical apparatus including the same are provided. The beam scanning apparatus includes a first antenna group including a plurality of first nano antennas disposed apart from each other, a first driving voltage line and a second driving voltage line connected to a first nano antenna and a second nano antenna, respectively, among the plurality of first nano antennas, the first nano antenna and the second nano antenna being respectively disposed at first ends within the first antenna group, and a first voltage divider configured to distribute a plurality of first voltages to one or more first middle nano antennas disposed between the first nano antenna and the second nano antenna, among the plurality of first nano antennas, at regular voltage intervals.

公开(公告)号：US20190075275A1

公开(公告)日：2019-03-07

申请号：US16102939

申请日：2018-08-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changbum LEE ,  Junghyun PARK ,  Byounglyong CHOI

IPC: H04N9/31 ,  G02B26/08 ,  G02B5/30

Abstract: A light modulating device includes a metal layer, a variable resistance material layer above the metal layer and having a plurality of resistance states depending on a voltage applied thereto, and a meta surface layer above the variable resistance material layer and including a nano structure comprising a conductive material and having a sub-wavelength dimension.