Sungkyunkwan University

Samsung Electronics Co., Ltd.

Dongmok Whang

Wonseok Jang

Wonjae Joo

Byoung Lyong Choi

Tae Jun Gu

Juncheol Bae

Eun Kyung Lee

Byounglyong Choi

Eunkyung Lee

Byung Sung Kim

Youngmin Seo

Taejun Gu

Mansu Kim

Sung Won Moon

Provided a light emitting device including a reflective layer including a plurality of nanostructures that are periodically two-dimensionally arranged, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein the planarization layer includes a conductive material that is transparent with respect to light emitted by the organic emission layer, and wherein the planarization layer is disposed on upper surfaces of the plurality of nanostructures such that an air gap is provided between adjacent nanostructures of the plurality of nanostructures.

Light emitting device including planarization layer, method of manufacturing the light emitting device, and display apparatus including the light emitting device

The present disclosure relates to a method of transferring a graphene, the method comprising the steps of: forming a graphene on a first substrate; forming a polymer precursor mixture on a second substrate; disposing the graphene oppositely to the second substrate having the polymer precursor mixture formed thereon; pressing the first substrate and the second substrate while curing the polymer precursor mixture; and peeling off the first substrate.

Method of transferring graphene and flexible transparent electrode using the same

Provided is a light detecting device including a light input device configured to receive light, a plurality of waveguides extending from the light input device, the plurality of waveguides being configured to transmit portions of the light received by the light input device, respectively, a plurality of modulators provided on the plurality of waveguides and configured to modulate phases of the portions of light transmitted in the plurality of waveguides, respectively, at least one graphene layer configured to absorb the portions of light transmitted in the plurality of waveguides, and at least one first electrode and at least one second electrode electrically connected to the at least one graphene layer, respectively.

Light detecting device and optical system including the same

The present disclosure relates to a single OPA (optical phased array) device including a light source; a waveguide which extends from the light source to allow light incident from the light source to pass through; a plurality of modulators which is disposed in the waveguide to modulate a phase of light in the waveguide; a two-dimensional material layer which passes or absorbs light incident from the light source; and an electrode which supplies charges to the two-dimensional material layer, in which the light incident from the light source passes through the two-dimensional material layer, the waveguide, and the modulator and is reflected by an external target of the single OPA device to pass through the modulator and the waveguide, and then absorbed by the two-dimensional material layer.

Single optical phase array and photosensing system including the same

An electrocatalyst includes a carbon substrate, metal oxide particles dispersed on the carbon substrate, and metal catalyst particles. The metal catalyst particles are metal substitutions in the metal oxide particles, or adsorbed on the metal oxide particles.

Electrocatalyst and method of preparing the same

Disclosed herein is a method for producing catalyst-free single crystal silicon nanowires. According to the method, nanowires can be produced in a simple and economical manner without the use of any metal catalyst. In addition, impurities contained in a metal catalyst can be prevented from being introduced into the nanowires, contributing to an improvement in the electrical and optical properties of the nanowires. Also disclosed herein are nanowires produced by the method and nanodevice comprising the nanowires.

Growing community of inventors

Suwon-si, South Korea

Dongmok Whang