Samsung Electronics Co., Ltd.

California Institute of Technology

Seoul National University

Ajou University Industry-academic Cooperation Foundation

Jangwoo You

Seunghoon Han

Byunghoon Na

Minkyung Lee

Namseop Kwon

Yonghwa Park

Myungjae Jeon

Heesun Yoon

Wontaek Seo

Changkun Lee

Hongseok Lee

Suyeon Lee

Andrei Faraon

Sungwoo Hwang

Byounglyong Choi

Amir Arbabi

Daeho Yang

Sunil Kim

Geeyoung Sung

Bongsu Shin

Jungkwuen An

Duhyun Lee

Jong-Young Hong

Byonggwon Song

Jesung Koh

Yongmin Park

Kyujin Cho

Sanghun Lee

Choongho Rhee

Yongsung Kim

Yongseop Yoon

Jinmyoung Kim

Changseung Lee

Hyeonsoo Park

Jeongyub Lee

Changyoung Park

Yongchul Cho

Jaekwan Kim

Jisan Lee

Sunpil Jeong

YongHwa Park

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

A multi-degree of freedom (DOF) moving stage includes: an end-effector; three driven links pivotably connected to the end-effector at angular intervals from each other; three driving links pivotably connected to the three driven links, respectively; and three actuators configured to drive the three driving links, respectively. Each of the three driven links includes first to fourth arms arranged at intervals; and a flexible member that connects the first to fourth arms to each other in a parallelogram shape across the intervals and forms pivotable joints at the intervals.

Multi-DOF moving stage and display apparatus including the same

Provided are an electronic device for processing computer-generated holography (CGH) and a method thereof. The electronic device generates a plurality of depth layers (computer-generated holography) having different depth information from image data at a first view point, and reprojects each of the plurality of depth layers based on the user's pose information at the second view point different from the first view point to generates CGH.

Electronic device and method for processing computer-generated holography

Provided are meta illuminators. The meta illuminators according to embodiments include a first light emitter configured to emit pattern light, and a second light emitter configured to emit non-patterned light, wherein the first and second light emitters forms a single body. The first and second light emitters respectively include meta-surfaces that are different from each other, and the different meta-surfaces may be formed on a single material layer. The first light emitter includes a pattern region that transmits a portion of incident light, and the second light emitter does not include the pattern region. A mask may be arranged between the light source and the transparent substrate.

Meta illuminator

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

An illumination device includes a display panel including a first surface on which an image is displayed, a second surface opposite to the first surface, display pixels interposed between the first surface and the second surface, and a transmitting window interposed between the first surface and the second surface. The illumination device further includes a light source disposed on a side of the second surface of the display panel, and emitting light toward the second surface, and a light transmitter interposed between the light source and the display panel, and transmitting the emitted light to the transmitting window, the transmitted light being incident on the second surface of the display panel and being transmitted through the transmitting window toward the first surface of the display panel. The illumination device further includes a diffuser diffusing the light transmitted through the transmitting window.

Illumination device and electronic device 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 multi-degree of freedom (DOF) moving stage includes a plurality of joint portions. At least one of the plurality of joint portions has a joint structure including a first flexible member and first and second rigid members, the first and second rigid members being arranged apart from each other with a first gap therebetween such that the first gap exposes a first surface of the first flexible member. Castellated patterns having shapes complementary to each other are respectively provided at a first end portion of the first rigid member adjacent to the first gap and a second end portion of the second rigid member adjacent to the first gap.

Multi-DOF moving stage and display apparatus using the same

Provided are an illumination device and an electronic apparatus. The illumination device includes a light source configured to emit light, a surface light source layer configured to convert the light emitted from the light source to surface light, a focusing lens configured to focus the surface light from the surface light source layer, and a display panel including an aperture through which light focused by the focusing lens passes.

Illumination device and electronic apparatus including the same

A structured light projectors includes an illuminator configured to emit illumination light, a pattern mask configured to project structured light by partially transmitting the illumination light, and a lens configured to project the structured light, wherein the pattern mask includes a first lens distortion compensation region including a plurality of opaque first light shielding patterns having a first pattern width, respectively, and a second lens distortion compensation region surrounding the first lens distortion compensation region, the second lens distortion compensation region including a plurality of opaque second light shielding patterns having a second pattern width, respectively, wherein the second pattern width is less than the first pattern width.

Structured light projector and electronic apparatus including the same

Provided is an illumination device including a display panel including a first surface and a second surface that is opposite to the first surface, the display panel being configured to output light including image information through the first surface, a light source configured to emit light, the light source being spaced apart from the display panel in a direction away from and normal to the second surface of the display panel, a window panel including a first area configured to transmit the light output from the display panel and a second area configured to transmit the light emitted from the light source, and a light transmitting unit provided between the window panel and the light source, the light transmitting unit configured to transmit the light emitted from the light source to an object through the second area, the light transmitting unit including at least one meta-surface.

Illumination device including a meta-surface, electronic apparatus including the same, and illumination method

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 structured light projector includes a light source configured to emit light, a structured light pattern mask configured to receive the light emitted by the light source and including a first region configured to generate a first structured light having a first polarization and a second region configured to generate a second structured light having a second polarization that is different from the first polarization, and a polarization multiplexing deflector configured to deflect the first structured light and the second structured light generated by the structured light pattern mask, to different directions, respectively.

Provided are meta-surface optical device and methods of manufacturing the same. The meta-surface optical device may include a meta-surface arranged on a region of a substrate and a light control member arranged around the meta-surface. The light control member may be arranged on or below the substrate. A material layer formed of the same material used to form the meta-surface may be disposed between the light control member and the substrate. Also, the meta-surface may be a first meta-surface arranged on an upper surface of the substrate, and a second meta-surface may be arranged on a bottom surface of the substrate. Also, the meta-surface may include a first meta-surface and at least one second meta-surface may formed on the first meta-surface, and the light control member may be arranged around the at least one second meta-surface.

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Seoul, South Korea

Jangwoo You