University of Illinois

X-celeprint Limited

Sungkyunkwan University

Samsung Techwin Co., Ltd.

Semprius, Inc.

Hanwha Techwin Co., Ltd.

Hanwha Aerospace Co., Ltd.

Research & Business Foundation

Jong-Hyun Ahn

Matthew Alexander Meitl

Etienne Menard

Ralph G Nuzzo

Mark Stoykovich

Jongseung Yoon

Michael Motala

Chang-Jae Yu

John A Rogers

Heung Cho Ko

Sang-Il Park

Byung-hee Hong

Young-il Song

Hyeong-Keun Kim

Young-Bin Lee

Keun-soo Kim

Heung-Cho Ko

Byung-Hee Hong

Su-Kang Bae

Sang-II Park

Provided are optical devices and systems fabricated, at least in part, via printing-based assembly and integration of device components. In specific embodiments the present invention provides light emitting systems, light collecting systems, light sensing systems and photovoltaic systems comprising printable semiconductor elements, including large area, high performance macroelectronic devices. Optical systems of the present invention comprise semiconductor elements assembled, organized and/or integrated with other device components via printing techniques that exhibit performance characteristics and functionality comparable to single crystalline semiconductor based devices fabricated using conventional high temperature processing methods. Optical systems of the present invention have device geometries and configurations, such as form factors, component densities, and component positions, accessed by printing that provide a range of useful device functionalities. Optical systems of the present invention include devices and device arrays exhibiting a range of useful physical and mechanical properties including flexibility, shapeability, conformability and stretchablity.

Optical systems fabricated by printing-based assembly

A graphene sheet and a method of manufacturing the graphene sheet are provided. The method includes: growing a graphene sheet on a graphene growth support by applying carbon sources and heat to the graphene growth support, the graphene growth support including a carbonization catalyst; and forming at least one ripple on the graphene sheet by cooling at least one of the graphene growth support and the graphene sheet, wherein the graphene growth support and the graphene sheet have different thermal expansion coefficients.

Method of manufacturing deformation-capable graphene sheet, deformation-capable graphene sheet, and device using the same

A method and an apparatus for synthesizing graphene. The method includes loading catalyst metals into a chamber in the horizontal direction or the vertical direction; increasing sizes of grains of the catalyst metals by heating the catalyst metals; raising a temperature inside the chamber while providing a vapor carbon source in the catalyst metals; and forming graphene by cooling the catalyst metals.

Method and apparatus for manufacturing graphene

A touch panel comprising a first substrate; a second substrate disposed facing the first substrate; a first conductive layer disposed on at least one surface of the first substrate; a second conductive layer disposed on at least one surface of the second substrate; first electrodes electrically connected to the first conductive layer; and second electrodes electrically connected to the second conductive layer, wherein at least one of the first conductive layer and the second conductive layer comprises graphene.

Touch panel including graphene and method of manufacturing the same

Provided are a method of manufacturing graphene, graphene manufactured by the method, a conductive thin film including the graphene, a transparent electrode comprising the graphene, and a radiating or heating device comprising the graphene. The method includes: preparing a graphene member including a base member, a hydrophilic oxide layer formed on the base member, a hydrophobic metal catalyst layer formed on the oxide layer, and graphene grown on the metal catalyst layer; applying water to the graphene member; separating the metal catalyst layer from the oxide layer; and removing the metal catalyst layer using an etching process.

Method of manufacturing graphene, graphene manufactured by the method, conductive film comprising the graphene, transparent electrode comprising the graphene, and radiating or heating device comprising the graphene

Growing community of inventors

Suwon, South Korea

Jong-Hyun Ahn