Samsung Electronics Co., Ltd.

Cheil Industries Inc.

Industry-University Cooperation Foundation Hanyang University

Kyu-young Hwang

Jae-eun Jung

Gae-hwang Lee

Jae-eun Jang

Jae-Hoon Kim

O-Hyun Kwon

Byoung-ki Choi

Chil-sung Choi

Kwang-soo Bae

Hoon Song

Eun-Sun Yu

Seung-hoon Han

Hyung-Sun Kim

Byoung-Ki Choi

Moo-Jin Park

Chang-ju Shin

Chang-woo Kim

Sang-dong Kim

Young-kwon Kim

Joo-hee Seo

A condensed cyclic compound represented by one of Formulae 1A to 1D: 

Condensed cyclic compound and organic light-emitting device including the same

A condensed cyclic compound represented by Formula 1: wherein in Formula 1, Groups Xto X, L, L, R, and R, and variables a11, a12, b11, b12, c11, and c12 are described in the specification.

A condensed-cyclic compound of Formula 1: wherein, in Formula 1, groups X, Xto X, L, L, R, and R, and variables a21, a22, b21, b22, c21, and c22 are described in the specification.

Condensed-cyclic compound and organic light-emitting device including the same

A spatial light modulator includes a variable refractive index layer that has a refractive index which is variable based on one of an optical signal and an electrical signal, a metal layer that is disposed on the refractive index-change layer, and a high refractive index layer on the metal layer. Light incident on the metal layer causes generation of a surface plasmon at an interface between the variable refractive index layer and the metal layer.

Spatial light modulator, holographic three-dimensional image display including the same, and method for modulating spatial light

A photorefractive composite, a spatial light modulator and a hologram display device using the same include at least one carborane compound expressed as the following Chemical Formulae 1A through 1C: wherein the photorefractive composite exhibits photoconductivity and optical nonlinearity.

Photorefractive composite, spatial light modulator, and hologram display device using the same

A spatial light modulator may include a refraction layer including first and second regions with refractive indices different from each other; and/or a metal thin film on a lower face of the refraction layer configured to generate surface plasmons due to light incident on the metal thin film via the refraction layer. When first light is incident on the refraction layer, a phase difference between light reflected by the first and second regions may occur. A spatial light modulator may include a metal thin film and a refraction layer on the metal thin film. The refraction layer may include a first region with a first refractive index and a second region with a second refractive index different from the first refractive index. When first light is incident on the refraction layer, there may be a phase difference between light reflected from the first and second regions.

Spatial light modulators, holographic 3-dimensional display apparatuses including the spatial light modulators, and methods of modulating spatial light

A holography device may include a light reaction layer configured to react with light to form and remove a diffraction grating, and a metal thin film on the light reaction layer. When first light is incident on the metal thin film while the grating is formed in the light reaction layer, surface plasmon formed on the metal thin film may be diffracted so as to output a holography image. A method of processing a holography image may include recording the image on a holography device by irradiating first light to a light reaction layer to form a diffraction grating, outputting the image by irradiating second light to a metal thin film on the light reaction layer to diffract surface plasmon formed on the metal thin film, and deleting the image from the holography device by irradiating third light to the light reaction layer to remove the grating.

Holography devices, three-dimensional image display apparatuses including the same, and methods of processing holography images

In a method of manufacturing a single-layer cholesteric liquid crystal display device, a liquid crystal composition of a cholesteric phase is formed between a first substrate and a second substrate. A plurality of liquid crystal layers are formed by sequentially adjusting the temperature of the cholesteric phase liquid crystal composition and performing a plurality of optical curing processes on the cholesteric phase liquid crystal composition. Each of the plurality of liquid crystal layers corresponds to one of the plurality of subpixels.

Cholesteric liquid crystal display devices and methods of manufacturing the same

Example embodiments relate to a solar cell configured to scatter incident light to be penetrated so as to increase a light progress path and includes a polymer-dispersed liquid crystal (PDLC) layer on at least one of a first and a second electrodes.

Solar cell using polymer-dispersed liquid crystals

The color filter may include a pixel unit having a plurality of sub-pixels of different colors, wherein the plurality of sub-pixels respectively include flat plate metal layers and a plurality of color PDLC layers on the flat plate metal layers, and the plurality of color PDLC layers each include a polymer, a plurality of liquid crystal drops dispersed in the polymer, and a plurality of color display materials mixed in the liquid crystal drops.

Color filter and display device employing the same

A display device may include a first substrate, a second substrate, reflective plates and a transparent electrode. The first substrate and the second substrate may be facing each other. The reflective plates may be on a surface of the first substrate facing the second substrate. The transparent electrode may be disposed on a surface of the second substrate facing the first substrate. Color filters and a polymer-dispersed liquid crystal (PDLC) layer may further be included in the display device. The color filters may be on the reflective plates, and the PDLC may be between the first substrate and the second substrate. The PDLC layer may include a polymer and liquid crystals dispersed in the polymer.

Display device having color filter and polymer-dispersed liquid crystal (PDLC) layer

Provided are a polymer-dispersed liquid crystal (PDLC) display device and a method of manufacturing the same. The PDLC display device may include a PDLC layer between facing substrates, wherein the PDLC layer has at least two regions including polymers having different concentrations.

Polymer-dispersed liquid crystal display device and method of manufacturing the same

A reflective polymer dispersed liquid crystal (PDLC) display device may include a plurality of first and second electrodes on the first and second substrates, the first and second substrates separate from each other, a polymer dispersed liquid crystal (PDLC) layer between the plurality of first and second electrodes, the PDLC layer including polymer, liquid crystal, and a chain transfer reagent, and a specular reflection plate on the first substrate.

Reflective polymer dispersed liquid crystal display device

In a method of forming a polymer-dispersed liquid crystal (PDLC) film, the presence of dichroic dye in a polymer may be prevented or reduced by diffusing dichroic dye into a PDLC layer, and a PDLC display device having improved visibility may be formed.

Growing community of inventors

Ansan-si, South Korea

Kyu-young Hwang