Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Seoul National University

Kyungpook National University Industry-academic Cooperation Foundation

University-industry Cooperation Group of Kyung Hee University

Epic Optix, Inc.

Wontaek Seo

Hongseok Lee

Geeyoung Sung

Changkun Lee

Bongsu Shin

Sunil Kim

Juwon Seo

Jungkwuen An

Hoon Song

Daeho Yang

Yuntae Kim

Jangwoo You

Seokil Moon

Youngtek Oh

Jaeseung Chung

Insu Jeon

Jinwook Jung

Jong-Young Hong

Youngil Kim

Byeongsoo Son

Gyewon Seo

Chilsung Choi

Seunggeol Nam

YongKeun Park

Byoungho Lee

Byonggwon Song

Hyeokshin Kwon

Hyeonseung Yu

Jongchan Park

Joonku Hahn

Seunghoon Han

Young Shin Kim

Duhyun Lee

Byunghoon Na

Choongho Rhee

Yongseop Yoon

Jinmyoung Kim

Kanghee Won

Boreum Jeong

Sangeun Mun

Moonil Jung

Sung-Wook Min

Jongyoung Hong

Yunju Yu

Youngrok Kim

Provided is an imaging system including a phase mask including a phase modulation meta surface coded with an image reconstruction phase function configured to reconstruct an image, the image reconstruction phase function being obtained by adding a first phase function corresponding to a lens phase to a second phase function which is a random function, and an image sensor configured to convert light, transmitted through the phase mask from an object, into an electrical signal.

Lensless imaging system including phase mask

An infrared sensor includes a substrate, a reflective layer on an upper surface of the substrate, and a composite layer including an absorption layer including a nanostructure and configured to absorb light energy and a sensing layer including a plurality of temperature sensing cells, where the composite layer is above the upper surface of the substrate, and where the infrared ray sensor further includes a resonant cavity between the composite layer and the reflective layer.

IR sensor with nano-structure

Provided is a holographic image processing apparatus including a memory configured to store at least one instruction, and a processor configured to execute the at least one instruction stored in the memory to generate a corrected holographic image by correcting an original holographic image captured by a holographic camera based on a neural network configured to learn hologram correction in advance.

Holographic image processing method and holographic image processing apparatus

Provided is a multi-image display apparatus including a light source configured to emit light, a spatial light modulator configured to provide a first image by modulating the light emitted from the light source, and an optical system configured to transmit the first image provided by the spatial light modulator to a viewer, wherein the optical system is configured such that a travelling path of the first image provided by the spatial light modulator includes a first optical path in a first direction, a second optical path in a second direction orthogonal to the first direction, and a third optical path in a third direction orthogonal to the first direction and the second direction, respectively, and wherein the optical system is configured such that the first image and a second image provided from an optical path different from the travelling path of the first image are provided to the viewer.

Multi-image display apparatus providing holographic image

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

A holographic display apparatus includes: a light source; a spatial light modulator configured to modulate light from the light source according to an image to be displayed on an object plane; and a processor configured to generate a computer generated hologram (CGH) in which a phase value of hologram data to be displayed on a reference plane of the spatial light modulator is 0, the processor being configured to apply a light modulation signal based on the CGH to the spatial light modulator.

CGH generator and display apparatus including 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

A method of modulating a depth of a hologram, the method includes: obtaining hologram data; determining a scale factor based on a hardware specification of a holographic display to display a three-dimensional (3D) hologram image in a space by using the hologram data; and modulating depth information of the hologram data based on the scale factor.

Method and apparatus for modulating depth of hologram and holographic display using the same

A display apparatus includes: a display device configured to output a first image; an optical coupler configured to: combine the first image received through a first path from the display device with a second image received through a second path that is different from the first path, output, through an exit surface of the optical coupler, a first light corresponding to the first image in a first polarization and a second light corresponding to the second image in a second polarization; and a polarization selection optical system arranged on the exit surface of the optical coupler and configured to have different refractive power with respect to the first light of the first polarization and the second light of the second polarization.

See-through type display apparatus

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

A viewing angle expansion plate, which is a multi-pinhole mask, includes a plurality of cell areas; and a plurality of pinholes formed in the plurality of cell areas, wherein each cell area from among the plurality of cell areas corresponds to a respective pixel from among a plurality of pixels in a flat panel display. The flat panel display includes a light source configured to emit parallel light; a flat panel, on which the parallel light is incident, configured to provide a three-dimensional image; and the viewing angle expansion plate.

Three-dimensional holographic display using multiple pinholes and method of operating the same

An augmented reality device may include: a light source; a display device comprising a plurality of pixels and configured to generate a first image based on light incident from the light source; and an optical combiner comprising a plurality of optical combining units each including a first area and a second area, wherein the first area reflects a plurality of beams constituting the first image at different reflection angles according to wavelengths and incident angles and transfers the reflected plurality of beams to a predetermined viewer position, and the second area transmits a beam of a second image received from outside and transfers the beam of the second image to the predetermined viewer position.

Augmented reality device including flat combiner and electronic device including the same

A head-up display system includes an image generating apparatus configured to emit light having a first polarization and including image information; a polarization beam splitter provided on an optical path of the light having the first polarization and configured to transmit the light having the first polarization; a wave plate configured to transmit the light transmitted through the polarization beam splitter while changing a phase of the light; and a mirror configured to reflect the light sequentially transmitted through the polarization beam splitter and the wave plate back to the polarization beam splitter through the wave plate. The polarization beam splitter may reflect light having a second polarization that is different from the first polarization and obtained by transmitting the light reflected by the mirror back through the wave plate.

Head-up display system

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

Growing community of inventors

Yongin-si, South Korea

Wontaek Seo