Patent application number | Description | Published |
20080230748 | DISPERSANT HAVING MULTIFUNCTIONAL HEAD AND PHOSPHOR PASTE COMPOSITION COMPRISING 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. | 09-25-2008 |
20080296683 | CARBON NANOTUBE HAVING IMPROVED CONDUCTIVITY, PROCESS OF PREPARING THE SAME, AND ELECTRODE COMPRISING THE CARBON NANOTUBE - Provided are a method of doping carbon nanotubes, p-doped carbon nanotubes prepared using the method, and an electrode, a display device or a solar cell including the carbon nanotubes. Particularly, a method of doping carbon nanotubes having improved conductivity by reforming the carbon nanotubes using an oxidizer, doped carbon nanotubes prepared using the method, and an electrode, a display device or a solar cell including the carbon nanotubes are provided | 12-04-2008 |
20080299374 | TRANSPARENT ELECTRODE COMPRISING CARBON NANOTUBE AND METHOD OF PREPARING THE SAME - Disclosed is a method of manufacturing a transparent electrode having a carbon nanotube. The carbon nanotube powder is dispersed in a solvent to form a carbon nanotube ink. The carbon nanotube ink is coated on a substrate to prepare a carbon nanotube film. The carbon nanotube has a defect formed on a surface thereof. The defect is formed through an acid treatment process of immersing the carbon nanotube powder or the carbon nanotube film in a nitric acid, a sulfuric acid, a hydrochloric acid, a phosphoric acid, or a mixture thereof. The defect can be formed through an ultrasonic treatment process of exposing the carbon nanotube powder or the carbon nanotube film to an ultrasonic wave having a predetermined frequency and intensity. | 12-04-2008 |
20090068470 | GRAPHENE SHELL AND PROCESS OF PREPARING THE SAME - Provided are a process for economically preparing a graphene shell having a desired configuration which is applicable in various fields wherein in the process the thickness of the graphene shell can be controlled, and a graphene shell prepared by the process. | 03-12-2009 |
20090068471 | GRAPHENE SHEET AND PROCESS OF PREPARING THE SAME - Provided are a graphene sheet and a process of preparing the same. Particularly, a process of economically preparing a large-area graphene sheet having a desired thickness and a graphene sheet prepared by the process are provided. | 03-12-2009 |
20090072198 | SULFUR-CONTAINING DISPERSANT AND SULFIDE PHOSPHOR PASTE COMPOSITION COMPRISING THE SAME - A sulfide phosphor paste composition comprising a sulfur-containing dispersant, and a fluorescent film prepared therefrom, are provided. The sulfur-containing dispersant has a dual head structure containing both a carboxyl group and a thiol group or a structure containing a thiol or thiophene group as a head group. An oligomeric sulfur-containing dispersant is also provided. Adsorption of the dispersant on the surface of the sulfide phosphor prevents aggregation of the phosphor particles, and thereby improves the dispersibility of the sulfide phosphor paste composition, the homogeneity of the phosphor in the paste composition, and the density of a film produced from the paste composition. Fluorescent films and display devices produced from the phosphor paste composition exhibit improved luminescent properties and excellent processability. | 03-19-2009 |
20090075450 | Method of manufacturing stack-type capacitor and semiconductor memory device having the stack-type capacitor - A stack-type capacitor includes a lower electrode, a dielectric layer formed on the lower electrode, and an upper electrode formed on the dielectric layer, wherein the lower electrode includes a first metal layer having a cylindrical shape and a second metal layer filled in the first metal layer. In the capacitor, an amount of oxygen included in the lower electrode is decreased to suppress oxidation of a TiN layer. Thus, a stable stack-type capacitor may be formed, which increases greatly the performance of highly integrated DRAMs. | 03-19-2009 |
20090101964 | Method of forming nano dots, method of fabricating the memory device including the same, charge trap layer including the nano dots and memory device including the same - Provided are a method of forming nano dots, method of fabricating a memory device including the same, charge trap layer including the nano dots and memory device including the same. The method of forming the nano dots may include forming cores, coating surfaces of the cores with a polymer, and forming graphene layers covering the surfaces of the cores by thermally treating the cores coated with the polymer. Also, the cores may be removed after forming the graphene layers. In addition, the surfaces of the cores may be coated with a graphitization catalyst material before coating the cores with the polymer. Also, the cores may include metal particles that trap charges and may also function as a graphitization catalyst. | 04-23-2009 |
20090127560 | Poly-crystalline thin film, thin film transistor formed from a poly-crystalline thin film and methods of manufacturing the same - Example embodiments relate to a poly-crystalline silicon (Si) thin film, a thin film transistor (TFT) formed from a poly-crystalline silicon (Si) thin film and methods of manufacturing the same. The method of manufacturing the poly-crystalline Si thin film includes forming an active layer formed of amorphous Si on a substrate, coating a gold nanorod on the active layer, and irradiating infrared rays onto the gold nanorod to crystallize the active layer. | 05-21-2009 |
20090146111 | REDUCED GRAPHENE OXIDE DOPED WITH DOPANT, THIN LAYER AND TRANSPARENT ELECTRODE - Disclosed herein is a reduced graphene oxide doped with a dopant, and a thin layer, a transparent electrode, a display device and a solar cell including the reduced graphene oxide. The reduced graphene oxide doped with a dopant includes an organic dopant and/or an inorganic dopant. | 06-11-2009 |
20090215233 | PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING ARRAY SUBSTRATE USING THE SAME - A photoresist composition includes a binder resin, a photo acid generator, an acryl resin having four different types of monomers, and a solvent. | 08-27-2009 |
20090256175 | Method of doping transistor comprising carbon nanotube, method of controlling position of doping ion, and transistors using the same - Provided are a method of doping a carbon nanotube (CNT) of a field effect transistor and a method of controlling the position of doping ions. The method may include providing a source, a drain, the CNT as a channel between the source and the drain, and a gate, applying a first voltage to the gate, and adsorbing ions on a surface of the CNT. | 10-15-2009 |
20090258497 | PHOTORESIST RESIN, AND METHOD FOR FORMING PATTERN AND METHOD FOR MANUFACTURING DISPLAY PANEL USING THE SAME - A photoresist resin composition, a method for forming a pattern and a method for manufacturing a display panel using the photoresist resin composition are disclosed. The photoresist resin composition includes an alkali soluble resin, a photoresist compound, and a solvent, wherein the alkali soluble resin includes a first polymer resin represented by the following Chemical Formula 1, wherein, of R | 10-15-2009 |
20090324897 | GRAPHENE PATTERN AND PROCESS OF PREPARING THE SAME - Provided are a graphene pattern and a process of preparing the same. Graphene is patterned in a predetermined shape on a substrate to form the graphene pattern. The graphene pattern can be formed by forming a graphitizing catalyst pattern on a substrate, contacting a carbonaceous material with the graphitizing catalyst and heat-treating the resultant. | 12-31-2009 |
20100032737 | Nano-magnetic memory device and method of manufacturing the device - A nano-magnetic memory device capable of writing/reading multi data in the nano-magnetic memory cell by controlling an amount of an induced current which is formed after a magnetic nanodot is perturbed and rearranged according to a word line current flowing from the first electrode through a nanowire of the nano-magnetic memory device to the second electrode. Consequently, a size of the memory device is reduced and a density of the memory device may be improved by providing a simplified nano-magnetic memory device of which a cell size is smaller. | 02-11-2010 |
20100103121 | TOUCH SCREEN PANEL INTEGRATED INTO LIQUID CRYSTAL DISPLAY, METHOD OF MANUFACTURING THE SAME, AND TOUCH SENSING METHOD - A touch screen panel includes: a first substrate and a second substrate, which face each other with respect to a liquid crystal interposed therebetween; and a touch sensor interposed between the first substrate and the second substrate. The touch sensor includes: a plurality of first touch signal lines disposed on the first substrate and extending in a first direction; a protective layer disposed on the first substrate, the protective layer including a dielectric material and substantially the plurality of first touch signal lines; a plurality of contact pads disposed on the protective layer; a plurality of second touch signal lines disposed on the second substrate and extending in a second direction perpendicular to the first direction; and a plurality of touch sensor spacers electrically connected to the plurality of second touch signal lines. A gap between the touch sensor spacers and the plurality of contact pads is defined, and the spacers are disposed to face the plurality of contact pads. | 04-29-2010 |
20100109074 | Gate structure, semiconductor memory device having the gate structure and methods of fabricating the same - A gate structure using nanodots as a trap site, a semiconductor device having the gate structure and methods of fabricating the same are provided. The gate structure may include a tunneling layer, a plurality of nanodots on the tunneling layer, and a control insulating layer including a high-k dielectric layer on the tunneling layer and the nanodots. A semiconductor memory device may further include a semiconductor substrate, the gate structure according to example embodiments on the semiconductor substrate and a first impurity region and a second impurity region in the semiconductor substrate, wherein the gate structure is in contact with the first and second impurity regions. | 05-06-2010 |
20100117034 | Organic semiconductor material using CNTs increased, organic semiconductor thin film using the same and organic semiconductor device employing the thin film - Example embodiments of the present invention relate to an organic semiconductor material using carbon nanotubes having increased semiconductivity, an organic semiconductor thin film using the same and an organic semiconductor device employing the thin film. By using the organic semiconductor material according to example embodiments of the present invention, a room-temperature wet process may be applied and a high-performance organic semiconductor device capable of simultaneously exhibiting increased electrical properties is provided. | 05-13-2010 |
20100202035 | ELECTROCHROMIC DEVICE AND METHOD OF FABRICATING THE SAME - An electrochromic device includes a first substrate, a second substrate facing the first substrate, a first electrode disposed on the first substrate, a carbon nano-structured electrode layer disposed on the first electrode, a second electrode disposed on the second substrate, an electrochromic layer disposed on the second electrode, and an electrolyte layer interposed between the first substrate and the second substrate. | 08-12-2010 |
20100294998 | AROMATIC IMIDE-BASED DISPERSANT FOR CARBON NANOTUBES AND CARBON NANOTUBE COMPOSITION COMPRISING THE SAME - Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes. | 11-25-2010 |
20100307589 | ORGANIC SOLAR CELL AND METHOD OF FABRICATING THE SAME - An organic solar cell includes; a cathode, an anode disposed substantially opposite the cathode, a photoactive layer disposed between the cathode and the anode, wherein the photoactive layer includes an electron donor, an electron acceptor, and a nanostructure, and wherein the nanostructure includes an electron conductive material selected from the group consisting of a semiconductor element, a semiconductor compound, a semiconductor carbon material, a metallic carbon material which is surface-treated with a hole blocking material, a metal which is surface-treated with a hole blocking material and a combination thereof. | 12-09-2010 |
20100320074 | METHOD FOR PREPARING GALLIUM NITRIDE NANOPARTICLES - A method for preparing gallium nitride nanoparticles includes providing a pair of electrodes; the pair of electrodes being opposedly disposed to one another. One electrode of the pair of electrodes is filled with gallium nitride powder. The pair of electrodes is dipped in a liquid. An arc discharge is produced between the pair of electrodes. The arc discharge produces a plasma between the pair of electrodes. | 12-23-2010 |
20100326524 | ORGANIC SOLAR CELL AND METHOD OF FABRICATING THE SAME - An organic solar cell includes; a cathode, an anode disposed substantially opposite the cathode, a photoactive layer disposed between the cathode and the anode, and an electron blocking layer disposed between the anode and the photoactive layer, wherein the photoactive layer includes; an electron donor, an electron acceptor disposed adjacent to the electron donor, and a nanostructure disposed adjacent to at least one of the electron donor and the electron acceptor, wherein the nanostructure is connected to the anode, and includes a hole transporting material selected from the group consisting of a semiconductor element, a semiconductor compound, a semiconductor carbon material, and a combination thereof, and the semiconductor element, the semiconductor compound, or the semiconductor carbon material satisfies the following Equation 1 and 2: | 12-30-2010 |
20110003907 | DISPERSANT FOR CARBON NANOTUBES AND CARBON NANOTUBE COMPOSITION COMPRISING 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. | 01-06-2011 |
20110033677 | GRAPHENE BASE AND METHOD OF PREPARING THE SAME - A graphene base, including: graphene; and a substrate, wherein the graphene is formed directly on at least one surface of the substrate, and at least about 90 percent of an area of the surface of the substrate does not have a graphene wrinkle. | 02-10-2011 |
20110043460 | TOUCH PANEL - A touch panel includes an infrared (“IR”) sensor and an IR source that supplies IR light to the infrared sensor. The IR sensor includes an absorbing layer and a PN junction layer disposed on the absorbing layer. The absorbing layer includes a material that selectively absorbs light having a wavelength in an infrared range. The PN junction layer includes a P-type organic material layer and an N-type organic material layer. | 02-24-2011 |
20110049481 | OPTOELECTRONIC DEVICE - An optoelectronic device including a first electrode, an active layer disposed on the first electrode, a second electrode disposed on the active layer, and a self-assembled monolayer interposed between the first electrode and the active layer, interposed between the active layer and the second electrode, or disposed inside the active layer, wherein the self-assembled monolayer includes a first compound and a second compound having different functional groups from each other. | 03-03-2011 |
20110050042 | APPARATUS FOR GENERATING ELECTRICAL ENERGY AND METHOD FOR MANUFACTURING THE SAME - Disclosed is an apparatus for generating electrical energy that includes; a first electrode, and a second electrode spaced apart from the first electrode, and an energy generation layer disposed between the first electrode and the second electrode, wherein the energy generation layer comprises a photoelectric conversion layer and a plurality of piezoelectric nanowires, and wherein when an external force is applied to at least one of the first electrode and the second electrode, the plurality of piezoelectric nanowires are transformed to generate electrical energy. | 03-03-2011 |
20110086176 | CARBON NANOTUBE HAVING IMPROVED CONDUCTIVITY, PROCESS OF PREPARING THE SAME, AND ELECTRODE COMPRISING THE CARBON NANOTUBE - Provided are a method of doping carbon nanotubes, p-doped carbon nanotubes prepared using the method, and an electrode, a display device or a solar cell including the carbon nanotubes. Particularly, a method of doping carbon nanotubes having improved conductivity by reforming the carbon nanotubes using an oxidizer, doped carbon nanotubes prepared using the method, and an electrode, a display device or a solar cell including the carbon nanotubes are provided | 04-14-2011 |
20110089376 | DISPERSANT HAVING MULTIFUNCTIONAL HEAD AND PHOSPHOR PASTE COMPOSITION COMPRISING 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. | 04-21-2011 |
20110095268 | TRANSISTOR AND FLAT PANEL DISPLAY INCLUDING THIN FILM TRANSISTOR - A transistor includes at least three terminals comprising a gate electrode, a source electrode and a drain electrode, an insulating layer disposed on a substrate, and a semiconductor layer disposed on the substrate, wherein a current which flows between the source electrode and the drain electrode is controlled by application of a voltage to the gate electrode, where the semiconductor layer includes a graphene layer and at least one of a metal atomic layer and a metal ion layer, and where the metal atomic layer or the metal ion layer is interposed between the graphene layer and the insulating layer. | 04-28-2011 |
20110101303 | LIGHT-EMITTING DEVICE COMPRISING SEMICONDUCTOR NANOCRYSTAL LAYER FREE OF VOIDS AND METHOD FOR PRODUCING THE SAME - A light-emitting device including a semiconductor nanocrystal layer and a method for producing the light-emitting device are provided. The light-emitting device includes a semiconductor nanocrystal layer whose voids are filled with a filling material. According to the light-emitting device, since voids formed between nanocrystal particles of the semiconductor nanocrystal layer are filled with a filling material, the occurrence of a current leakage through the voids is minimized, which enables the device to have extended service life, high luminescence efficiency, and improved stability. | 05-05-2011 |
20110101315 | PIEZOELECTRIC NANOWIRE STRUCTURE AND ELECTRONIC DEVICE INCLUDING THE SAME - A piezoelectric nanowire structure includes a base substrate, a plurality of piezoelectric nanowires disposed on the base substrate, and a piezoelectric organic material layer disposed on the base substrate and covering the plurality of piezoelectric nanowires. | 05-05-2011 |
20110104442 | GRAPHENE SHEET, GRAPHENE BASE INCLUDING THE SAME, AND METHOD OF PREPARING THE GRAPHENE SHEET - A graphene sheet including graphene comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene. | 05-05-2011 |
20110104507 | LAYERED STRUCTURE INCLUDING GRAPHENE AND AN ORGANIC MATERIAL HAVING A CONJUGATED SYSTEM, AND METHOD OF PREPARING THE SAME - A layered structure including graphene, wherein a basal plane of the graphene is a (0001) plane; and a layer including an organic material having a conjugated system disposed on the graphene, wherein the layer comprising the organic material layer having the conjugated system is bound to the (0001) plane of the graphene by a π-π interaction, and a method of preparing the same. | 05-05-2011 |
20110111577 | SEMICONDUCTOR CARBON NANOTUBES AND METHOD OF SELECTIVELY GROWING SEMICONDUCTOR CARBON NANOTUBES USING LIGHT IRRADIATION - A method of selectively growing a plurality of semiconductor carbon nanotubes using light irradiation. The method includes disposing a plurality of nanodots, which include a catalyst material, on a substrate; growing a plurality of carbon nanotubes from the plurality of nanodots, and irradiating light onto the nanodot to selectively grow the plurality of semiconductor carbon nanotubes. | 05-12-2011 |
20110123776 | GRAPHENE LAMINATE AND METHOD OF PREPARING THE SAME - A graphene laminate including a substrate, a binder layer on the substrate, and graphene on the binder layer, wherein the graphene is bound to the substrate by the binder layer. | 05-26-2011 |
20110127471 | DOPED GRAPHENE, METHOD OF MANUFACTURING THE DOPED GRAPHENE, AND A DEVICE INCLUDING THE DOPED GRAPHENE - A composition including graphene; and a dopant selected from the group consisting of an organic dopant, an inorganic dopant, and a combination including at least one of the foregoing. | 06-02-2011 |
20110127497 | ORGANIC LIGHT EMITTING DEVICE USING GRAPHENE - An organic light emitting device including graphene. The organic light emitting device includes a first electrode that is interposed between a transparent substrate and an organic layer emitting light, and includes graphene having a thickness of about 0.1 nanometer (nm) to about 10 nanometers (nm). | 06-02-2011 |
20110129675 | MATERIAL INCLUDING GRAPHENE AND AN INORGANIC MATERIAL AND METHOD OF MANUFACTURING THE MATERIAL - A material including: graphene; and an inorganic material having a crystal system, wherein a crystal plane of the inorganic material is oriented parallel to the (0001) plane of the graphene. The crystal plane of the inorganic material has an atomic arrangement of a hexagon, a tetragon, or a pentagon. | 06-02-2011 |
20110155478 | THERMOELECTRIC TOUCH SENSOR - A thermoelectric touch sensor includes a first electrode, a thin film layer provided on the first electrode and including a thermoelectric material, a second electrode provided on the thin film layer, a sensing unit which senses at least one of a current flowing between the first electrode and the second electrode and a voltage applied between the first electrode and the second electrode. | 06-30-2011 |
20110171581 | PHOTORESIST COMPOSTION AND METHOD OF MANUFACTURING ARRAY SUBSTRATE USING THE SAME - A photoresist composition includes a binder resin, a photo acid generator, an acryl resin having four different types of monomers, and a solvent. | 07-14-2011 |
20110186095 | DISH WASHING MACHINE - A dish washing machine capable of smoothly discharging dirt contained in wash water out of a sump so as to prevent the emission of bad smells from the dirt and prevent the propagation of bacteria. The dish washing machine includes a sump to receive and pump wash water, a sump housing forming an external appearance of the sump, a drainage pump coupled with the sump housing to discharge wash water and dirt, and a drainage channel disposed in the sump housing to guide wash water and dirt to the drainage pump. | 08-04-2011 |
20110227002 | AROMATIC IMIDE-BASED DISPERSANT FOR CARBON NANOTUBES AND CARBON NANOTUBE COMPOSITION COMPRISING THE SAME - Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes. | 09-22-2011 |
20110237714 | DISPERSANT FOR CARBON NANOTUBE AND COMPOSITION COMPRISING THE SAME - A dispersant for a carbon nanotube and a composition comprising the same are provided, wherein the dispersant is comprised of a structure including a head part composed of an electron-rich atom and an aromatic ring having a high affinity for the carbon nanotube and a tail part having an affinity for a dispersion medium, and thus exhibits excellent stabilizing and dispersing effects of the carbon nanotube in a variety of dispersion media including organic solvents, water or mixtures thereof. Use of the dispersant in accordance with the present invention enables convenient preparation of carbon nanotube compositions necessary for a variety of industrial fields such as emitters of field emission displays (FEDs), carbon nanotube inks, printable carbon nanotubes and the like. | 09-29-2011 |
20110253941 | DISPERSANT HAVING MULTIFUNCTIONAL HEAD AND PHOSPHOR PASTE COMPOSITION COMPRISING 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. | 10-20-2011 |
20110279378 | IMAGE DISPLAY DEVICE WITH PLURAL LIGHT EMITTING DIODES - 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 Bi | 11-17-2011 |
20110285951 | CNT COMPOSITION, CNT LAYER STRUCTURE, LIQUID CRYSTAL DISPLAY DEVICE, METHOD OF PREPARING CNT LAYER STRUCTURE, AND METHOD OF PREPARING LIQUID CRYSTAL DISPLAY DEVICE - A carbon nanotube (“CNT”) composition includes CNTs, a dispersing agent containing a reactive functional group, and at least one kind of dispersion medium. A CNT layer structure includes a substrate and a CNT layer disposed on the substrate, the CNT layer including the CNT composition including the CNTs arranged in a network-shape, and an organic material adsorbed to the CNTs and chemically bonded to the substrate. A liquid crystal display device includes the CNT layer structure. A method of manufacturing the CNT layer structure uses the CNT composition. A method of manufacturing the liquid crystal display device includes forming a pixel electrode on a passivation layer, by using the method of manufacturing the CNT layer structure. | 11-24-2011 |
20110300338 | GRAPHENE NANO RIBBONS AND METHODS OF PREPARING THE SAME - Methods of preparing graphene nano ribbons may include forming a graphene sheet on at least one surface of a substrate, forming a plasma mask having a nano pattern on the graphene sheet, and forming a nano pattern on the graphene sheet by plasma treating a stack structure on which the plasma mask is formed. | 12-08-2011 |
20110309336 | SEMICONDUCTING GRAPHENE COMPOSITION, AND ELECTRICAL DEVICE INCLUDING THE SAME - A graphene composition including a graphene monolayer and an alkali metal disposed on the graphene monolayer. | 12-22-2011 |
20120021249 | METHOD OF CONTROLLING NUMBER OF GRAPHENE LAYERS - A method of controlling the number of layers of graphene layers includes forming graphene on a first surface of a first substrate, and forming a second substrate on a second surface of the first substrate; and irradiating the graphene with light to cause constructive Fresnel interference, wherein a multilayer structure or non-uniform graphene structure formed on the a surface of the graphene is removed by the constructive Fresnel interference. | 01-26-2012 |
20120070641 | GRAPHENE SHEET AND PROCESS OF PREPARING THE SAME - Provided are a graphene sheet and a process of preparing the same. Particularly, a process of economically preparing a large-area graphene sheet having a desired thickness and a graphene sheet prepared by the process are provided. | 03-22-2012 |
20120080086 | Transparent Electrode Comprising Doped Graphene, Process of Preparing The Same, And Display Device And Solar Cell Comprising The Electrode - A transparent electrode on at least one surface of a transparent substrate may include graphene doped with a p-dopant. The transparent electrode may be efficiently applied to a variety of display devices or solar cells. | 04-05-2012 |
20120088123 | GRAPHENE SHELL AND PROCESS OF PREPARING THE SAME - Provided are a process for economically preparing a graphene shell having a desired configuration which is applicable in various fields wherein in the process the thickness of the graphene she can be controlled, and a graphene shell prepared by the process. | 04-12-2012 |
20120225196 | APPARATUS FOR GENERATING ELECTRICAL ENERGY AND METHOD FOR MANUFACTURING THE SAME - Disclosed is an apparatus for generating electrical energy that includes; a first electrode, and a second electrode spaced apart from the first electrode, and an energy generation layer disposed between the first electrode and the second electrode, wherein the energy generation layer comprises a photoelectric conversion layer and a plurality of piezoelectric nanowires, and wherein when an external force is applied to at least one of the first electrode and the second electrode, the plurality of piezoelectric nanowires are transformed to generate electrical energy. | 09-06-2012 |
20120255899 | SEPARATION MEMBRANE INCLUDING GRAPHENE - According to example embodiments, a separation membrane includes a graphene on at least one surface of a polymer support. The graphene may include a plurality of grains defined by grain boundaries. | 10-11-2012 |
20120267041 | METHOD OF FORMING MULTI-LAYER GRAPHENE - A method of forming a multi-layer graphene includes forming a stack of a graphitizing metal catalyst layer and graphene by repeatedly performing a cycle of first forming the graphitizing metal catalyst layer on a substrate, and then forming the graphene on the graphitizing metal catalyst layer, and removing the graphitizing metal catalyst layer. | 10-25-2012 |
20120282489 | DIRECT GRAPHENE GROWING METHOD - A method of preparing crystalline graphene includes performing a first thermal treatment including supplying heat to an inorganic substrate in a reactor, introducing a vapor carbon supply source into the reactor during the first thermal treatment to form activated carbon, and binding of the activated carbon on the inorganic substrate to grow the crystalline graphene. | 11-08-2012 |
20120325296 | GRAPHENE-ON-SUBSTRATE AND TRANSPARENT ELECTRODE AND TRANSISTOR INCLUDING THE GRAPHENE-ON-SUBSTRATE - A graphene-on-substrate includes a substrate, a first intermediate layer disposed on the substrate, and graphene disposed on the first intermediate layer, where the first intermediate layer comprises a material having an intermediate polarity value between a polarity of the substrate and a polarity of the graphene. | 12-27-2012 |
20120326128 | GRAPHENE-LAYERED STRUCTURE, METHOD OF PREPARING THE SAME, AND TRANSPARENT ELECTRODE AND TRANSISTOR INCLUDING GRAPHENE-LAYERED STRUCTURE - A method of directly growing graphene of a graphene-layered structure, the method including ion-implanting at least one ion of a nitrogen ion and an oxygen ion on a surface of a silicon carbide (SiC) thin film to form an ion implantation layer in the SiC thin film; and heat treating the SiC thin film with the ion implantation layer formed therein to graphenize a SiC surface layer existing on the ion implantation layer. | 12-27-2012 |
20130059155 | GAS BARRIER THIN FILM, ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD OF PREPARING GAS BARRIER THIN FILM - A gas barrier thin film may include a substrate, an inorganic oxide layer, and a graphene layer between the substrate and the inorganic oxide layer. An encapsulation thin film and electronic device may include the gas barrier thin film. A method of preparing a gas barrier thin film may include forming a graphene layer by transferring graphene on a surface of a substrate, and forming an inorganic oxide layer by depositing an inorganic oxide on the graphene layer. | 03-07-2013 |
20130095305 | GRAPHENE PATTERN AND PROCESS OF PREPARING THE SAME - Provided are a graphene pattern and a process of preparing the same. Graphene is patterned in a predetermined shape on a substrate to form the graphene pattern. The graphene pattern can be formed by forming a graphitizing catalyst pattern on a substrate, contacting a carbonaceous material with the graphitizing catalyst and heat-treating the resultant. | 04-18-2013 |
20130126700 | GRAPHENE-BASED PHOTODETECTOR INCLUDING COMPLEX TRANSPARENT ELECTRODE, METHOD OF MANUFACTURING THE SAME, AND DEVICE INCLUDING THE SAME - A photodetector includes a substrate, a graphene layer disposed on the substrate, a first electrode disposed on the graphene layer, and a second electrode disposed on the graphene layer, where the first and second electrodes are spaced apart from each other, and where each of the first and second electrodes comprises a complex transparent electrode. The complex transparent electrode of the first electrode may have a different composition from the complex transparent electrode of the second electrode. | 05-23-2013 |
20130140526 | HEXAGONAL BORON NITRIDE SHEET, METHOD OF PREPARING THE HEXAGONAL BORON NITRIDE SHEET, AND ELECTRONIC DEVICE INCLUDING THE HEXAGONAL BORON NITRIDE SHEET - A hexagonal boron nitride sheet having: a two-dimensional planar structure with a sp | 06-06-2013 |
20130167897 | HETEROGENEOUS LAMINATE INCLUDING GRAPHENE, AND THERMOELECTRIC MATERIAL, THERMOELECTRIC MODULE, AND THERMOELECTRIC APPARATUS INCLUDING THE HETEROGENEOUS LAMINATE - A heterogeneous laminate including: graphene; and a thermoelectric inorganic compound disposed on the graphene. | 07-04-2013 |
20130175676 | HIGH FREQUENCY CIRCUIT COMPRISING GRAPHENE AND METHOD OF OPERATING THE SAME - A high frequency circuit includes a first electronic device, a second electronic device, and a graphene interconnection unit, where at least one of a trench and a via is defined under the graphene interconnection unit. | 07-11-2013 |
20130176698 | HIGH FREQUENCY CIRCUIT COMPRISING GRAPHENE AND METHOD OF OPERATING THE SAME - A high frequency circuit includes a first electronic device, a second electronic device, and a graphene interconnection unit including graphene and which connects the first and second electronic devices, where an interlayer distance of the graphene is greater than or equal to about 0.34 nanometer. | 07-11-2013 |
20130180581 | GRAPHENE SHEET COMPRISING AN INTERCALATION COMPOUND AND PROCESS OF PREPARING THE SAME - A graphene sheet including an intercalation compound and 2 to about 300 unit graphene layers, wherein each of the unit graphene layers includes a polycyclic aromatic molecule in which a plurality of carbon atoms in the polycyclic aromatic molecule are covalently bonded to each other; and wherein the intercalation compound is interposed between the unit graphene layers. | 07-18-2013 |
20130305927 | GAS SEPARATION MEMBRANE AND METHOD OF PREPARING THE SAME - A gas separation membrane including a porous layered support; and a gas separating active layer which is disposed on the porous layered support and includes a functionalized graphene. | 11-21-2013 |
20130309571 | NEGATIVE ELECTRODE FOR LITHIUM BATTERY, LITHIUM BATTERY INCLUDING THE SAME, AND METHODS OF MANUFACTURE THEREOF - A negative electrode including: a metal layer including lithium; and a platy carbonaceous material layer including a carbonaceous material having a plate structure and disposed on the metal layer. | 11-21-2013 |
20140014970 | METHOD OF FABRICATING SINGLE-LAYER GRAPHENE - A method of fabricating a single-layer graphene on a silicon carbide (SiC) wafer includes forming a plurality of graphene layers on the SiC wafer such that the plurality of graphene layers are on a buffer layer of the SiC wafer, the buffer layer being formed of carbon; removing the plurality of graphene layers from the buffer layer; and converting the buffer layer to a single-layer graphene. | 01-16-2014 |
20140048411 | METHOD AND APPARATUS FOR RESTORING PROPERTIES OF GRAPHENE - A method and apparatus for restoring properties of graphene includes exposing the graphene to plasma having a density in a range from about 0.3*10 | 02-20-2014 |
20140053973 | GRAPHENE LAMINATE AND METHOD OF PREPARING THE SAME - A graphene laminate including a substrate, a binder layer on the substrate, and graphene on the binder layer, wherein the graphene is bound to the substrate by the binder layer. | 02-27-2014 |
20140060087 | HEAT RADIATION-THERMOELECTRIC FIN, AND THERMOELECTRIC MODULE AND THERMOELECTRIC APPARATUS INCLUDING THE HEAT RADIATION-THERMOELECTRIC FIN - A heat radiation-thermoelectric fin includes a thermoelectric inorganic material on a heterogeneous laminate of graphene. The heterogeneous laminate may be tube-shaped or plate-shaped, and a metal conductor may be coupled to one or more of the heterogeneous laminate. A thermoelectric module may be formed to include the fin, and a thermoelectric apparatus may include a heat supplier connected to the thermoelectric module. | 03-06-2014 |
20140110670 | DOPED GRAPHENE STRUCTURE COMPRISING HYDROPHOBIC ORGANIC MATERIAL, METHOD FOR PREPARING THE SAME, AND TRANSPARENT ELECTRODE, DISPLAY DEVICE AND SOLAR CELL COMPRISING THE ELECTRODE - A hydrophobic organic layer may be formed on a surface of a graphene doped with a dopant to improve stability of the doped graphene with respect to moisture and temperature. Thus, the transparent electrode having the doped graphene containing the hydrophobic organic layer may be usefully applied in solar cells or display devices. | 04-24-2014 |
20140141265 | GRAPHENE-LAYERED STRUCTURE, METHOD OF PREPARING THE SAME, AND TRANSPARENT ELECTRODE AND TRANSISTOR INCLUDING GRAPHENE-LAYERED STRUCTURE - A method of directly growing graphene of a graphene-layered structure, the method including ion-implanting at least one ion of a nitrogen ion and an oxygen ion on a surface of a silicon carbide (SiC) thin film to form an ion implantation layer in the SiC thin film; and heat treating the SiC thin film with the ion implantation layer formed therein to graphenize a SiC surface layer existing on the ion implantation layer. | 05-22-2014 |
20140182646 | THERMOELECTRIC MATERIAL AND THERMOELECTRIC DEVICE INCLUDING THE SAME - A thermoelectric material includes a stack structure including alternately stacked first and second material layers. The first material layer may include a carbon nano-material. The second material layer may include a thermoelectric inorganic material. The first material layer may include a thermoelectric inorganic material in addition to the carbon nano-material. The carbon nano-material may include, for example, graphene. At least one of the first and second material layers may include a plurality of nanoparticles. The thermoelectric material may further include at least one conductor extending in an out-of-plane direction of the stack structure. | 07-03-2014 |
20140220348 | GRAPHENE SHELL AND PROCESS OF PREPARING THE SAME - Provided is a process for economically preparing a graphene shell having a desired configuration which is applicable in various fields wherein in the process the thickness of the graphene shell can be controlled, and a graphene shell prepared by the process. | 08-07-2014 |
20140230868 | GRAPHENE-CONTAINING COMPOSITE LAMINATE, THERMOELECTRIC MATERIAL, AND THERMOELECTRIC DEVICE INCLUDING THE THERMOELECTRIC MATERIAL - A composite laminate may include graphene and a thermoelectric inorganic material including a single crystal having a hexagonal crystal system. | 08-21-2014 |
20140231886 | TWO-DIMENSIONAL MATERIAL STACKED FLEXIBLE PHOTOSENSOR - A flexible photosensor includes a flexible substrate, a gate on the flexible substrate, the gate including a conductive material having a planar structure, a gate insulating layer on the flexible substrate and the gate to at least cover the gate, the gate insulating layer including a non-conductive material having a planar structure, and a channel layer on the gate insulating layer, the channel layer including a semiconductor material having a planar structure. | 08-21-2014 |
20140234680 | ELECTRODE STRUCTURE HAVING ROLL SHAPE, ELECTRODE AND ELECTRIC DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE ELECTRODE STRUCTURE - An electrode structure includes a rolled graphene film which is wound about a central axis, and a nanomaterial dispersed on a surface of the rolled graphene film. | 08-21-2014 |
20140242496 | GRAPHENE-NANOMATERIAL COMPOSITE, ELECTRODE AND ELECTRIC DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE GRAPHENE-NANOMATERIAL COMPOSITE - A graphene-nanomaterial composite, an electrode and an electric device including the graphene-nanomaterial composite and a method of manufacturing the graphene-nanomaterial composite include a graphene stacked structure including a plurality of graphene films stacked on one another; and a nanomaterial between the plurality of graphene films and bonded to at least one of the plurality of graphene films by a chemical bond. | 08-28-2014 |
20140263166 | GRAPHENE BASE AND METHOD OF PREPARING THE SAME - A graphene base, including: graphene; and a substrate, wherein the graphene is formed directly on at least one surface of the substrate, and at least about 90 percent of an area of the surface of the substrate does not have a graphene wrinkle. | 09-18-2014 |
20140264282 | HETEROGENEOUS LAYERED STRUCTURE, METHOD OF PREPARING THE HETEROGENEOUS LAYERED STRUCTURE, AND ELECTRONIC DEVICE INCLUDING THE HETEROGENEOUS LAYERED STRUCTURE - A method of manufacturing a heterogeneous layered structure includes growing a hexagonal boron nitride sheet directly on a metal substrate in a chamber, increasing a temperature of the chamber to about 300° C. to about 1500° C., and forming a graphene sheet on the hexagonal boron nitride sheet by supplying a carbon source into the chamber while thermally treating the hexagonal boron nitride sheet at the increased temperature. | 09-18-2014 |
20140299840 | GRAPHENE LAMINATE WITH BAND GAP - A graphene laminate includes a first piezoelectric material layer having a negatively-charged surface and a positively-charged surface, a first graphene layer under the first piezoelectric material layer, the first graphene layer contacting the positively-charged surface of the first piezoelectric material layer, a second graphene layer underlying the first graphene layer, and a second piezoelectric material layer under the second graphene layer, the second piezoelectric material layer having a negatively-charged surface and a positively-charged surface, the negatively-charged surface contacting the second graphene layer. | 10-09-2014 |