Samsung Electronics Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Cheil Industries Inc.

Samsung Advanced Institute of Technology

Hyeon Jin Shin

Seonmi Yoon

Seong Jae Choi

Jaeyoung Choi

Seon Mi Yoon

Jae Young Choi

Dong Kee Yi

Kwang Hee Lee

Hyun Jun Jeong

Jae Jun Lee

Jin Heong Yim

Jong Kug Seon

Sang Kook Mah

Young Hee Lee

Hyun Dam Jeong

Jung Hwan Lee

Sangkyu Lee

Jung Yoon Kim

Jeong Gun Lee

Jongmyeon Park

Ungyu Paik

Bum Jae Lee

Eun Hyoung Cho

Soo Min Kim

Sangwon Kim

Seongjun Park

Dong-Hyun Im

Chang Seok Lee

Hyun Uk Park

Xavier Bulliard

Yi Yeol Lyu

Hanjin Lim

Wan Don Kim

Min Joo Lee

Kyung Sang Cho

Younghee Lee

Jin Seung Sohn

Jong Baek Seon

Hyun Seok Lim

Un Jeong Kim

Hyun Bae Lee

Yun Hyuk Choi

Jang Eun Lee

JaiYong Han

Soongun Lee

Jong Hyeon Lee

In Young Song

In Yong Song

Jin Sueng Sohn

Jong Back Seon

Byung Do Oh

Duk Young Jung

Geun Tae Cho

Boram Kang

JungJun Bae

A semiconductor device is provided. The semiconductor device includes a substrate including an element isolation layer, the element isolation layer defining an active region, a plurality of word lines traversing the active region in a first direction, and a plurality of bit line structures on the substrate and connected to the active region, the plurality of bit line structures extending in a second direction different from the first direction. Each of the plurality of bit line structures includes a ruthenium line wiring including a bottom surface and a top surface opposite to the bottom surface, a lower graphene layer in contact with the bottom surface of the ruthenium line wiring and extending along the bottom surface of the ruthenium line wiring, and a wiring line capping layer extending along the top surface of the ruthenium line wiring.

Semiconductor device

Semiconductor devices may include a substrate including an active region defined by a device isolation layer, source/drain regions in the active region, word lines extending in a first direction parallel to the active region and being arranged in a second direction crossing the first direction, a bit line pattern extending in the second direction and crossing over a portion of the active region positioned between the word lines, and a graphene pattern covering at least a portion of the bit line pattern.

Semiconductor devices and methods of fabricating the same

Disclosed are a carbon nano-tube (CNT) thin film treated with chemical having an electron withdrawing functional group and a manufacturing method thereof. Specifically, the CNT thin film comprises a CNT composition to be applied on a plastic substrate. The CNT composition comprises a CNT; and chemical connected to the CNT and having an electron withdrawing functional group. In addition, the method for manufacturing a CNT thin film comprises steps of preparing a CNT; treating the CNT with chemical having an electron withdrawing functional group; mixing the CNT treated with the chemical with a dispersing agent or dispersing solvent to prepare a CNT dispersed solution; and forming a CNT thin film with the CNT dispersed solution. According to the CNT thin film and the manufacturing method thereof, a resistance of an electrode is decreased to improve the electric conductivity of the electrode.

Carbon nano-tube (CNT) thin film treated with chemical having electron withdrawing functional group and manufacturing method thereof

Disclosed are a heat transfer medium and a heat transfer method that uses the heat transfer medium. The heat transfer medium comprises a light-transparent substrate coated with a plurality of nano particles. The nano particles absorb light incident thereon to thereby produce heat, which is transferred to a target object to be heated. Nano particles can be applied onto a target object. After heating, the particles are removed by etching. Nano particles can be selectively applied to the light-transparent substrate or directly to a target object to be heat so as to localize heat-production and thus heat selective portions of the target object.

Heat transfer medium and heat transfer method using the same

A carbonization catalyst for forming graphene may be exfoliated from a graphene sheet by etching. A binder layer may be formed on the graphene sheet on which a carbonization catalyst is formed, to support and fix all or part of the graphene sheet. Further, the graphene sheet from which the carbonization catalyst is exfoliated may be transferred to a device. When exfoliating the carbonization catalyst from the graphene sheet, an acid may be used together with a wetting agent.

Method for exfoliating carbonization catalyst from graphene sheet, method for transferring graphene sheet from which carbonization catalyst is exfoliated to device, graphene sheet and device using the graphene sheet

Disclosed herein is a protective film. The protective film is produced by alternate coating of a polysilazane-based polymer and a flexible polysiloxane-based polymer. The polysilazane-based polymer is cured at low temperature to form silica, thereby achieving high hardness and high light transmittance. The protective film has improved interfacial adhesion between the respective coating films, which prevents permeation of moisture and oxygen. In addition, the protective film can be easily produced by low-temperature wet processes. Also disclosed herein is an encapsulation material comprising the protective film.

Protective film and encapsulation material comprising the same

Disclosed is a transparent carbon nanotube (CNT) electrode using a conductive dispersant. The transparent CNT electrode comprises a transparent substrate and a CNT thin film formed on a surface the transparent substrate wherein the CNT thin film is formed of a CNT composition comprising CNTs and a doped dispersant. Further disclosed is a method for producing the transparent CNT electrode. The transparent CNT electrode exhibits excellent conductive properties, can be produced in an economical and simple manner by a room temperature wet process, and can be applied to flexible displays. The transparent CNT electrode can be used to fabricate a variety of devices, including image sensors, solar cells, liquid crystal displays, organic electroluminescence (EL) displays and touch screen panels, that are required to have both light transmission properties and conductive properties.

Transparent carbon nanotube electrode using conductive dispersant and production method thereof

Disclosed are a carbon nano-tube (CNT) light emitting device and a method of manufacturing the same. Specifically, the CNT light emitting device comprises: a CNT thin film formed using a CNT dispersed solution; a n-doping polymer formed on one end of the CNT thin film; a p-doping polymer formed on the other end of the CNT thin film; and a light emitting part between the n-doping polymer and the p-doping polymer. In addition, the method of manufacturing a CNT light emitting device comprises steps of: mixing CNTs with a dispersing agent or dispersing solvent to prepare a CNT dispersed solution; forming a CNT thin film using the CNT dispersed solution; coating a n-doping polymer on one end of the CNT thin film; and coating a p-doping polymer on the other end of the CNT thin film. According to the invention, the n-doping polymer and the p-doping polymer are respectively coated on the CNT having a CNT random network structure to implement a p-n junction, thereby implementing a light emitting device in a simple and low-priced process.

Carbon nano-tube (CNT) light emitting device and method of manufacturing the same

The present invention discloses a dispersant for carbon nanotubes having excellent dispersion ability and to a carbon nanotube composition including the dispersant. In the dispersant, the heads and tails of the dispersant are regioregularly arranged in one direction, and the structural properties of the dispersant are controlled such that the ratio of heads to tails is 1 or more, thereby effectively stabilizing and dispersing carbon nanotubes in various dispersion media, such as an organic solvent, water, a mixture thereof and the like, compared to conventional dispersants.

Dispersant for carbon nanotubes and carbon nanotube composition comprising the same

A method of fabricating a liquid film is provided. The method comprises the steps of applying hydrophilic liquid onto a substrate with an electrode formed thereunder, covering the hydrophilic liquid with a protection film comprising hydrophobic liquid, dispersing surfactant for reducing the surface tension between the hydrophilic liquid and the protection film, and applying voltage to the hydrophilic liquid and the electrode to wet the substrate with the hydrophilic liquid. With the surfactant and the electro-wetting principle, a contact angle between the hydrophilic liquid and the substrate is controlled. The liquid film having a uniform thickness in nano size is thus formed on the substrate. The protection film prevents the evaporation of the liquid film in the air to thereby secure the stability of the liquid film.

Method of fabricating liquid film, method of arranging nano particles and substrate having liquid thin film fabricated using the same

Disclosed is a dispersant having a multifunctional head, and a phosphor paste composition comprising the dispersant. The dispersant has a multifunctional head that comprises an acidic group, a basic group and an aromatic group, thereby enhancing an affinity for the surface of phosphor particles and improving dispersibility.

Dispersant having multifunctional head and phosphor paste composition comprising the same

Disclosed herein is an image display device having a plurality of light emitting diodes (LEDs), which can maintain a primary color which is desired to be expressed, and prevent an interference of other unwanted colors and a change of the primary color at the time of application of a light source of each light emitting diode. The image display device comprises: a first optical filter layer containing a violet wavelength-absorbing material having a wavelength range of from 380 nm to 450 nm such as BiOso as to prevent light having a wavelength ranging from 380 nm to 450 nm from being leaked out to an undesired region of an image display portion of the image display device; and a second optical filter layer such as a blue color filter layer so as to allow a white light to be expressed in a desired region of the image display portion.

Image display device with plural light emitting diodes

A compound containing at least two pyridinium derivatives in its molecular structure and being in a reduced form thereof may be used as a CNT n-doping material. The compound may donate electrons spontaneously to CNTs to n-dope the CNTs, while being oxidized into its stable state. An n-doped CNT that is doped with the CNT n-doping material may maintain a stable n-doped state for a long time without being dedoped even in the air and/or water. Further, the n-doped state may be easily controlled when using the CNT n-doping material.

Carbon-nanotube n-doping material and methods of manufacture thereof

A carbon nanotube (CNT) film having a transformed substrate structure and a manufacturing method thereof. The CNT film includes a transparent substrate, a plurality of three-dimensional (3D) structures formed distant from each other on the transparent substrate, and carbon nanotubes (CNTs) deposited on the transparent substrate where the plurality of 3D structures is not formed. The method includes forming a plurality of 3D structures distant from each other on a transparent substrate, and depositing a CNT solution on the substrate with the plurality of 3D structures formed thereon, wherein the CNT solution is deposited into a portion of the transparent substrate where the 3D structures are not formed. Thus, the deposition mechanism of the CNT solution is controlled to thereby increase the transparency of the CNT film and the electrical conductivity of an electrode including the CNT film.

Carbon nano-tube film with a transformed substrate structure and a manufacturing method thereof

Disclosed is a transparent carbon nanotube (CNT) electrode using a conductive dispersant&#xb0; The transparent CNT electrode comprises a transparent substrate and a CNT thin film formed on a surface the transparent substrate wherein the CNT thin film is formed of a CNT composition comprising CNTs and a doped dispersant. Further disclosed is a method for producing the transparent CNT electrode. The transparent CNT electrode exhibits excellent conductive properties, can be produced in an economical and simple manner by a room temperature wet process, and can be applied to flexible displays. The transparent CNT electrode can be used to fabricate a variety of devices, including image sensors, solar cells, liquid crystal displays, organic electroluminescence (EL) displays and touch screen panels, that are required to have both light transmission properties and conductive properties.

Growing community of inventors

Suwon-si, South Korea

Hyeon Jin Shin