Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Lumens Co., Ltd.

Leland Stanford Junior University

California Institute of Technology

Korea Advanced Institute of Science and Technology

Samsung Eleotronicc Co., Ltd

Junghyun Park

Byunggil Jeong

Sunil Kim

Duhyun Lee

Byounglyong Choi

Changgyun Shin

Seunghyun Oh

Sungsik Jo

Byeonggeon Kim

Mark Luitzen Brongersma

Jungwoo Kim

Sunghyun Nam

Seunghoon Lee

Dongjae Shin

Kyungjin Lee

Unkeol Yeo

Tatsuhiro Otsuka

Yeonsang Park

Wonjae Joo

Iksang Kim

Inoh Hwang

Joonyoung Lee

Yifei Wang

Dongseok Lee

Hyeyong Park

Weonkyu Koh

Dongcheol Kim

Seungri Jin

Seunghoon Han

Harry A Atwater

Sanghun Lee

Jaeho Kim

Sangwook Kim

Youngjong Kim

Minkyung Lee

Minsoo Kim

Minho Kim

Dongsik Shim

Kyeonghwan Kim

Eunkyung Lee

Junho Ahn

Jisoo Kyoung

Sunho Lee

Changbum Lee

Sanguk Park

Yonggil Han

Junggu Lee

Sunho Park

Seungho Jung

Ruzan Sokhoyan

Wonjung Sung

Gyeongjae Park

Jonghyung Kwun

Minseok Choi

Hojun Shin

Seungdo Han

Ikseo Park

Yangsoo Lee

Joohan Kim

Jinjoo Chung

Dongjo Park

Namhyun Kim

Doochan Hwang

Jung-Hwan Song

Yeonjea Cho

Meir Grajower

Prachi Thureja

Bochul Park

Kim Sunil

Changyoun Lee

Youjin Yim

Gugyong Kim

Sangkook Kim

Agustinus Oey

Provided is a meta-optics including a waveguide layer including a first surface and a second surface opposite to the first surface; and a plurality of meta units provided on the waveguide layer, each meta unit of the plurality of meta units including a grating configured to diffract incident light of a predetermined wavelength, a first electrode provided under the grating, a dielectric layer provided over the grating, and a second electrode provided on the dielectric layer, wherein a dielectric constant of the grating and a reflectance of the grating with respect to incident light change based on a voltage applied to the first electrode and the second electrode.

Meta-optics and electric device including the same

A spatial light modulator and an electronic apparatus including the spatial light modulator are provided. The spatial light modulator may include: a plurality of pixels configured to steer incident light; and a plurality of thermoelectric layers in which heat transfer with the plurality of pixels occurs. The plurality of pixels may include a plurality of grating structures.

Spatial light modulator and electronic apparatus including the same

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.

Light modulating device and electronic apparatus using the same

An electronic device is provided. The electronic device includes a first housing, a second housing slidably disposed with the first housing, a rollable display having a display area reduced or expanded based on slide-in or slide-out of the second housing, a pipeline having a first opening disposed on one side of the second housing for an inflow of external air flows, having a second opening disposed in a direction toward the first housing, and extending from the first opening in a direction toward the second opening, an air sensor disposed at least in part inside the pipeline, and an opening and closing member disposed to be fixed to the first housing and opening or closing the second opening of the pipeline based on slide-in or slide-out of the second housing.

Electronic device including openable and closable pipeline

A laundry treating apparatus includes a cabinet, a tub, a drum, a rotator including a bottom portion positioned on a bottom surface of the drum, a pillar protruding from the bottom portion toward an open surface of the drum, and blades spaced apart from one another along a circumferential direction of the pillar and inclined with respect to a longitudinal direction of the pillar, a water supply, a sprayer, a drainage, and a controller for controlling rotation of the drum and the rotator and operation of the water supply and the drainage. During a rinsing operation, the drum and the rotator rotate in a same direction while water is continuously sprayed through the sprayer and the drainage is closed.

Laundry treating apparatus and method for controlling the same

Provided is an optical modulating device including an incidence optical system, an optical modulating assembly including a plurality of nano-antennas that form a meta-grating based on a driving signal, the optical modulating assembly being configured to change a traveling direction of incidence light incident at an incidence angle from the incidence optical system based on an effective displacement of the meta-grating according to the driving signal, and an emission optical system configured to emit light steered by the optical modulating assembly, wherein the emission optical system is further configured to emit first-order diffraction light of the incidence light based on the meta-grating.

Optical modulating device and optical apparatus employing the same

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.

Light modulator, optical device including light modulator, and electronic apparatus including optical device

A light modulator for amplifying an intensity of incident light and modulating a phase of the incident light is provided. The light modulator includes: a first distributed Bragg reflector (DBR) layer having a first reflectivity and comprising at least two first refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; a second DBR layer having a second reflectivity and comprising at least two second refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; and an active layer disposed between the first DBR layer and the second DBR layer, and comprising a quantum well structure.

Light modulator, beam steering device including the light modulator, and electronic device including the beam steering device

Notebook computer

Provided a light modulating device including a variable mirror including a plurality of lattice structures, the plurality of lattice structures including a material having a refractive index that changes based on a temperature of the material, a distributed Bragg mirror spaced apart from the variable mirror and provided above the variable mirror, the distributed Bragg mirror including a first material layer and a second material layer that are alternately stacked, and a refractive index of the first material layer being different from a refractive index of the second material layer, and a heating portion configured to heat the plurality of lattice structures and provided below the variable mirror opposite to the distributed Bragg mirror.

Light modulating device and electronic apparatus including the same

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.

Phase modulator and phase modulator array including the same

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.

Beam scanning apparatus and optical apparatus including the same

A laundry treating apparatus includes a tub, a drum, and a rotator. The rotator includes a bottom portion positioned on a bottom surface of the drum, a pillar protruding from the bottom portion toward an open surface of the drum, and a blade disposed on an outer circumferential surface of the pillar. The blade extends obliquely with respect to a longitudinal direction of the pillar from one end thereof facing toward the bottom portion to the other end thereof facing toward the open surface, and a first mold line at least partially extending in parallel with a circumferential direction of the pillar is formed between said one end and the other end.

Laundry treating apparatus

A light detection and ranging (LiDAR) system is provided including a beam steering device configured to modulate a phase of light from a light source and to output light in a plurality of directions at the same time, a receiver including a plurality of light detection elements configured to receive light that has been irradiated onto an object in the plurality of directions from the beam steering device and reflected from the object, and a processor configured to analyze position-specific distribution and/or time-specific distribution of light received by the receiver and to individually process the light lights irradiated onto the object in the plurality of directions.

LiDAR system and method of driving the same

Provided is an optical modulator including a substrate, and a plurality of meta units provided on the substrate and spaced apart from each other, wherein at least one of the plurality of meta units includes a metal layer provided on the substrate, a dielectric layer provided an upper surface and side surfaces of the metal layer, and an antenna provided on an upper surface of the dielectric layer, the antenna including phase change material, wherein a refractive index of the phase change material changes based on a voltage applied to the metal layer to modulate incident light.

Optical modulator and electronic apparatus including the same

Growing community of inventors

Seoul, South Korea

Junghyun Park