Samsung Electronics Co., Ltd.

Sungkyunkwan University

Samsung Display Co., Ltd.

Hyundai Motor Company

Kia Corporation

Korea Institute of Science and Technology

Kumoh National Institute of Technology Industry-academic Cooperation

Lg Electronics Inc.

Yonsei University

Sk Telecom Company, Ltd.

Kongju National University Industry-university Cooperation Foundation

Kumoh National Institute of Technology Industry-academic Cooperation Foundation

Kumoh National Institute of Technology

Hfr, Inc.

Sang-woo Kim

Jae-young Choi

Bong-Kyun Kim

Ki-beom Lee

Sam-Young Cho

Jong-Hyun Choung

Hyeon-jin Shin

Kyung-yol Yon

Hyun-Cheol Shin

Ju-hyuck Lee

Duk-hyun Choi

Dae-woo Lee

Jeong Hwan Lee

Hong-joon Yoon

Jun-Young Lee

Sang-Yoon Lee

Hong-Sick Park

Yun-kwon Park

Shi-Yul Kim

Young-jun Park

Byeong-Jin Lee

Yun-Seok Oh

Sun-Young Hong

Keun Young Lee

Seung-Tae Kim

Wanchul Seung

Won-Guk Seo

HanJun Ryu

Jin Yeong Lee

Hyeonjin Shin

Sungjin Kim

Seongmin Kim

Sung-jin Park

Sang Gab Kim

Kyung-Eun Byun

Changhyun Kim

Sang Hyun Kim

Wang Woo Lee

Jung-woo Kim

Young-ho Lee

Jaeyoung Choi

Hong Sick Park

Bong Won Lee

Seung-Hoon Kim

Ji-Young Park

Seon-Il Kim

Chan-Hong Kim

Jong-seon Kim

Hae-Weon Lee

Won-mook Choi

In-Bae Kim

Jong-Yoon Hwang

Jin Seock Kim

Chan Gook Park

Jun-ho Kim

Seungbo Shim

Jong Hee Park

Young Joo Choi

Seung Ho Yoon

Yong-Yun Park

Jeong-Soon Park

Jaehwan Jung

Jinsuek Kim

Hae-yong Ahn

Wan Chul Seung

Kyung-sik Shin

Jae-Woo Jeong

Gyu-po Kim

Do-hyeong Hwang

Dukhyun Choi

Young Min Moon

Huesup Song

Hwa Hyun Cho

Jin-beom Hong

Myung-Joon Shim

Keun Hyo Lee

Keun-Young Lee

YoonKyung Choi

Kab-Young Lee

Dong-Hwan Kim

Ahrum Sohn

Hwan-Min Park

Changwoo Kwon

Hyun-kyu Park

Ja-woong Yoon

Hey Jung Park

Hyung-Ju Nam

Koichi Tsunemi

Soo-Yong Choi

Seong-geun Oh

Yong Bai Son

TaeYun Kim

Hye-jeong Park

Jinsoo Sung

Myung-Hun Song

Sungjin Byun

Sun-Ik Lee

Jong-Yeong Lim

Eun-Ho Lee

Yong-Yeob Choi

An etchant composition of an embodiment may etch a multi-layered film of titanium/copper and may include about 5 wt % to about 20 wt % of persulfate, about 0.1 wt % to about 5 wt % of phosphoric acid or phosphate, about 0.01 wt % to about 2 wt % of a carbonyl ring compound, about 0.01 wt % to about 1 wt % of a 3-nitrogen ring compound, about 0.1 wt % to about 2 wt % of a 4-nitrogen ring compound, about 0.1 wt % to about 0.9 wt % of a fluorine compound, about 0.1 wt % to about 0.5 wt % of hydrogen about 1 wt % to about 3 wt % of a zwitterionic compound, and sulfate, water which is included in an amount that makes the total weight of the entire composition about 100 wt %.

Etchant composition, and method for manufacturing metal pattern and thin film transistor substrate using the same

In a device for evaluating torsional structural performance of girder according to an embodiment of the present disclosure, a guide unit of a support member formed in a shape of an arc having its center that matches a shear center of the girder rotatably supports a rotating member, so that the shear center of the girder matches a center of torsion during clockwise or counterclockwise rotation of the rotating member, thereby measuring an accurate angle of twist and preventing an incident in which the rotating member escapes due to separation of a component by a rotational force.

Device for evaluating torsional structural performance of girder

Radiator grill for automobiles

Front bumper cover for automobiles

Disclosed herein are a method of forming a transition metal dichalcogenide thin film and a method of manufacturing a device including the same. The method of forming a transition metal dichalcogenide thin film includes: providing a substrate in a reaction chamber; depositing a transition metal dichalcogenide thin film on the substrate using a sputtering process that uses a transition metal precursor and a chalcogen precursor and is performed at a first temperature; and injecting the chalcogen precursor in a gas state and heat-treating the transition metal dichalcogenide thin film at a second temperature that is higher than the first temperature. The substrate may include a sapphire substrate, a silicon oxide (SiO) substrate, a nanocrystalline graphene substrate, or a molybdenum disulfide (MoS) substrate.

Method of forming transition metal dichalcogenide thin film

A phosphoric acid-free etchant composition and a method of forming a wiring, the composition including about 40 wt % to about 60 wt % of an organic acid compound; about 6 wt % to about 12 wt % of a glycol compound; about 1 wt % to about 10 wt % of nitric acid, sulfuric acid, or hydrochloric acid; about 1 wt % to about 10 wt % of a nitrate salt compound; and water, all wt % being based on a total weight of the phosphoric acid-free etchant composition.

Etchant composition and forming method of wiring using etchant composition

An energy harvesting apparatus including light collecting particles is provided. The energy harvesting apparatus includes a light collecting layer for collecting light incident thereon from the outside, a first charging member on a first surface of the light collecting layer, a second charging member on a surface of the light collecting layer opposite the first surface, and solar cells on opposite light exit surfaces between the first and second surfaces of the light collecting layer.

Energy harvesting apparatus having light collecting particles

A method of forming a hybrid nanostructure on graphene, the method including providing a graphene layer on a substrate; forming a metal layer on the graphene layer; and chemically depositing a nanomaterial on the graphene layer on which the metal layer is formed to form the hybrid nanostructure.

Method of forming hybrid nanostructure on graphene, hybrid nanostructure, and device including the hybrid nanostructure

The present disclosure enables materials of a triboelectric charging member to exhibit a characteristic of increased surface charge density, thereby improving output of a triboelectric generating device. Accordingly, the present disclosure provides a triboelectric generating device showing improved output without increasing a size of the triboelectric generating device or without increasing amounts of materials required for the triboelectric generating device. An embodiment of a triboelectric generating device provided according to a first aspect of the present disclosure includes a first electrode; a first charging layer formed on the first electrode; and a second electrode disposed on the first charging layer, wherein the first charging layer and the second electrode are arranged such that an interface between the first charging layer and the second electrode forms a frictional interface, and the first charging layer includes a ferroelectric polymer matrix and ferroelectric inorganic particles dispersed in the ferroelectric polymer matrix.

Triboelectric generation device

Provided is a self-repairing energy generating element using a shape memory polymer, including a first electrode; a shape memory friction layer made of the shape memory polymer on the first electrode and having a microbump pattern formed on a surface thereof; a second electrode disposed apart from the shape memory friction layer; and an opposing layer formed on the second electrode and configured to face the shape memory friction layer.

Self-repairing energy generating element using shape memory polymer

A method and an apparatus for transmitting and receiving data in a filter bank based multicarrier communication system are provided. The method includes receiving a plurality of data blocks and performing an Inverse Fast Fourier Transform (IFFT) operation on the plurality of data blocks, multiplying the plurality of data blocks on which IFFT has been performed and time axis filter coefficients, and transmitting a result obtained by adding the plurality of multiplied data blocks as a multi carrier signal.

Method and apparatus for transmitting and receiving data in multicarrier communication system

A method of forming a substrate assembly includes preparing a substrate in a chamber, combining a solid-state nitrogen source and a boron source on the substrate, forming a metal layer on a surface of the substrate including the combined solid-state nitrogen and boron sources, and forming a first hexagonal boron nitride sheet directly bonded to the surface of the substrate by performing a heat treatment on the substrate including the metal layer and the combined solid-state nitrogen and boron sources.

Method of forming a substrate assembly

An X-ray apparatus includes an X-ray radiator configured to radiate an X-ray, and a controller acquiring orientation information of the X-ray radiator and orientation information of at least one X-ray detector, selecting the at least one X-ray detector based on the orientation information of the X-ray radiator and the orientation information of the at least one X-ray detector, and determining a power mode of the selected X-ray detector to be a power consumption mode and a power mode of an X-ray detector that is not selected, to be a power save mode.

X-ray apparatus and system

Growing community of inventors

Seoul, South Korea

Sang-woo Kim