公开(公告)号：US20230111183A1

公开(公告)日：2023-04-13

申请号：US17724124

申请日：2022-04-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun LEE ,  Jinmyoung KIM ,  Byonggwon SONG ,  Yooseong YANG ,  Byungkyu LEE

IPC: G02B26/06 ,  H01L23/00 ,  H01L27/146 ,  G02B26/02

Abstract: A window assembly includes a transparent window layer and a first coded mask layer provided on a first surface of the window layer, the first coded mask layer having a first shape configured to change a first property of light passing through the window assembly. The first coded mask layer may include a meta-surface including a phase modulation meta-pattern. The meta-surface may further include an amplitude modulation meta-pattern. A second coded mask layer having a second shape configured to change a second property of the light passing through the window assembly may further be provided on a second surface of the window layer.

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：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：US20200284904A1

公开(公告)日：2020-09-10

申请号：US16884850

申请日：2020-05-27

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

Inventor： Duhyun LEE ,  Muhammad ALAM ,  Harry ATWATER ,  Ragip PALA ,  Byunghoon NA ,  Seunghoon HAN

IPC: G01S17/02 ,  G02F1/017 ,  G01S7/481 ,  G02F1/21 ,  G02F1/29

Abstract: Provided are an optical modulating device and a system including the optical modulating device. The optical modulating device includes a substrate, and a phase modulator formed on the substrate and including a Fabry-Perot cavity. The Fabry-Perot cavity of the phase modulator includes a first reflective layer, a second reflective layer, and a tunable core formed between the first reflective layer and the second reflective layer, wherein the tunable core is formed of a semiconductor material and is configured to modulate a phase of light corresponding to modulation of a refractive index of the tunable core according to electrical control.

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：US20190131491A1

公开(公告)日：2019-05-02

申请号：US16175113

申请日：2018-10-30

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

Inventor： Duhyun LEE ,  Ruzan SOKHOYAN ,  Yu-Jung LU ,  Ghazaleh KAFAIE SHIRMANESH ,  Harry A. ATWATER ,  Ragip A. PALA ,  Chan-Wook BAIK

IPC: H01L33/06 ,  H01L33/10 ,  H01L33/60

Abstract: Provided are light emission devices including an output coupler and optical apparatuses having the same. The light emission device may include a QD layer containing quantum dots and a nano-antenna structure including an output coupler configured to control an output characteristic of light emitted from the QD layer. The output coupler may be configured to output an emission wavelength of the QD layer. The nano-antenna structure may include one of a metallic antenna, a dielectric antenna, and a slit-containing structure, or may have a multi-patch antenna structure or a fishbone antenna structure.

公开(公告)号：US20180196137A1

公开(公告)日：2018-07-12

申请号：US15866998

申请日：2018-01-10

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

Inventor： Duhyun LEE ,  Ragip PALA ,  Harry ATWATER ,  Muhammad ALAM ,  Byunghoon NA ,  Seunghoon HAN

IPC: G01S17/02 ,  G02F1/21 ,  G01S7/481 ,  G02F1/017 ,  G02F1/015

CPC classification number: G01S17/02 ,  G01S7/481 ,  G01S7/4817 ,  G02F1/01716 ,  G02F1/21 ,  G02F1/292 ,  G02F2001/0151 ,  G02F2202/30 ,  G02F2203/15 ,  G02F2203/50

Abstract: Provided are an optical modulating device and a system employing the same. The optical modulating device includes a phase modulator including a meta surface including a nanoantenna configured to couple light incident on the phase modulator, and including a quantum well layer having a multi-quantum well and configured to modulate a phase of light by modulating a refractive index according to an electrical control, and a reflective layer provided at on the phase modulator opposite to a side of the meta surface of the phase modulator and configured to resonate light coupled through the nanoantenna.

公开(公告)号：US20180062341A1

公开(公告)日：2018-03-01

申请号：US15681724

申请日：2017-08-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Duhyun LEE ,  Changbum LEE ,  Byounglyong CHOI

IPC: H01S3/00 ,  H01S5/00 ,  G02F1/29

Abstract: A laser beam steering device and a system including the laser beam steering device are provided. The laser beam steering device includes a refractive index change layer having a refractive index that changes based on an electrical signal; at least one antenna pattern disposed above the refractive index change layer; a wavelength selection layer disposed under the refractive index change layer and configured to correspond to a wavelength of a laser beam incident onto the laser beam steering device; and a driver configured to apply the electrical signal to the refractive index change layer.

公开(公告)号：US20180059506A1

公开(公告)日：2018-03-01

申请号：US15683882

申请日：2017-08-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changbum LEE ,  Sunil KIM ,  Duhyun LEE ,  Byounglyong CHOI

IPC: G02F1/29

CPC classification number: G02F1/292 ,  G02F2203/15

Abstract: Nano antenna structures and methods of manufacturing the same are provided. A nano antenna structure includes a reflective layer, a transparent conductive layer disposed on the reflective layer, an insulating layer disposed on the transparent conductive layer, a nano antenna material layer disposed on the insulating layer, and an adhesion layer disposed between the insulating layer and the nano antenna material layer.