Samsung Electronics Co., Ltd.

Myongji University Industry and Academia Cooperation

Seoul National University

Samsung Eleotronicc Co., Ltd

Sunil Kim

Hongseok Lee

Duhyun Lee

Bongsu Shin

Junghyun Park

Jungkwuen An

Chilsung Choi

Geeyoung Sung

Byunggil Jeong

Byounglyong Choi

Hoon Song

Wontaek Seo

Changkun Lee

Changgyun Shin

Changbum Lee

Jaechul Park

Jungwoo Kim

Young Shin Kim

German B Dubinin

Alexander Victorovich Morozov

Daeho Yang

Yunhee Kim

Andrey Nikolaevich Putilin

Sergey E Dubynin

Sangwook Kim

Sunghoon Lee

Dongwook Lee

Seokil Moon

Sergey S Kopenkin

Huaxiang Yin

Youngsoo Park

Kanghee Won

Changjung Kim

Jaisoon Kim

Ihun Song

Woojun Han

Yuriy P Borodin

Joonyong Park

Jangwoo You

Yeonsang Park

Jaeseung Chung

Juwon Seo

Jong-Young Hong

Aleksander V Morozov

Druzhin Vladislav

Malinina Polina

Dubynin Sergey

Seunghoon Han

Yoonsun Choi

Yuntae Kim

Young Ju Kim

Minkyung Lee

Byoungho Lee

Jisoo Kyoung

Byungkyu Lee

Seokho Song

Sangeun Mun

Vladislav Vladimirovich Druzhin

Kangho Lee

Chang Bum Lee

Bochul Park

Anastasiia S Perevoznikova

Yurii P Borodin

Polina I Malinina

Kseniia I Lvova

Songhoon Lee

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 display apparatus providing an expanded eye box including: an image forming apparatus including a plurality of sub-areas respectively forming a plurality of different images; and a plurality of holographic optical elements corresponding to the plurality of sub-areas one-to-one, and collimating images emitted from the plurality of sub-areas to parallel beams having different emission directions, respectively.

Display apparatus providing expanded eye box

An image display device includes a main light source configured to emit a first light; a display panel configured to modulate the first light to add image information to the first light; a holographic optical element (HOE) configured to diffract the first light emitted from the display panel to make the first light travel to a first region to generate a main image; a first optical system provided on a traveling path of the first light between the main light source and the HOE, the first optical system being configured to change the traveling path of the first light to be incident on the HOE along a first path; an auxiliary light source configured to emit a second light; and a second optical system provided on a traveling path of the second light, the second optical system being configured to change a traveling path of the second light to be incident on the HOE along a second path different from the first path.

Image display device and augmented reality device including 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

Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.

Method and apparatus for generating computer-generated hologram

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

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

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.

Spatial light modulator, beam steering apparatus including the same, and method of manufacturing the spatial light modulator

A display device includes a light source array including a plurality of light sources where at least one of the plurality of light sources is selectively driven, a spatial light modulator for modulating light from the light source array to form image light, a focusing optical system for focusing the image light formed by the spatial light modulator at a position in a predetermined eye box, a micro mirror array arranged in an optical path formed in the focusing optical system and including a plurality of mirror cells. The plurality of mirror cells are controlled to be in an ON state in that light is reflected in a direction toward an inside of the eye box or to be in an OFF state in that light is reflected in a direction toward an outside of the eye box.

Display apparatus providing expanded viewing window

Provided a display apparatus including an image forming apparatus configured to form an image, a projection optical system configured to project the image formed by the image forming apparatus, and a combining optical system configured to provide the image projected from the projection optical system combined with light emitted from an external landscape, wherein the combining optical system is configured to divide the image projected from the projection optical system into same images and focus the same images on different positions.

Display apparatus having wide viewing window

A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.

Display device employing meta surface

A three-dimensional (3D) image display apparatus is provided. The apparatus includes a plurality of light sources; a spatial light modulator configured to modulate light from the plurality of light sources according to 3D image information; and a focusing optical system configured to focus an image formed by the spatial light modulator onto a focal plane. The plurality of light sources may be arranged such that multiple focal points, respectively corresponding to the plurality of light sources, are formed on the focal plane near a pupil of a user.

3-dimensional image display apparatus and method of providing expanded viewing window

An apparatus for controlling an augmented reality includes: a communicator configured to communicate with an external device; and a processor configured to identify, via the communicator, a sensing device which is an external device, generate virtual image data based on sensing data received from the identified sensing device, and provide the virtual image data to an image display device.

Apparatus for controlling augmented reality, method of implementing augmented reality by using the apparatus, and system of implementing augmented reality by including the apparatus

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Seoul, South Korea

Sunil Kim