| Patent application number | Description | Published |
| 20100029049 | METHOD OF FABRICATING ORGANIC THIN FILM TRANSISTOR USING SURFACE ENERGY CONTROL - Provided is a method of fabricating an organic thin film transistor (OTFT) using surface energy control. The method changes a polarity of a gate insulating layer to a polarity of a semiconductor channel layer to be formed on the gate insulating layer by controlling surface energy of the gate insulating layer, thereby promoting growth of the semiconductor channel layer on the gate insulating layer. According to the method, the interface characteristics between the gate insulating layer and the semiconductor channel layer are improved, and thus it is possible to implement an OTFT that can minimize leakage current and has high field effect mobility and low turn-on voltage. | 02-04-2010 |
| 20100187552 | HYBRID WHITE ORGANIC LIGHT EMITTTNG DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided are a hybrid white organic light emitting diode (OLED) and a method of fabricating the same. A HOMO level difference between a fluorescent emission layer and an electron transport layer in an organic emission layer (OLED) becomes higher than that between the other layers or a LUMO level difference between a fluorescent emission layer and a hole transport layer is higher than that between the other layers, so that a recombination region is restricted to a part of an emission layer to obtain high-efficiency fluorescent light emission. In addition, triplet excitons that are not used in a fluorescent emission layer are transferred to an auxiliary emission layer formed to be spaced apart from a recombination region by a predetermined distance to emit light in a different color from the fluorescent emission layer, so that both singlet and triplet excitons formed in the OLED are used to obtain high-efficiency white light emission. | 07-29-2010 |
| 20110084603 | INORGANIC ELECTROLUMINESCENT DEVICE AND MANUFACTURING METHOD THEREOF - An inorganic electroluminescent device includes: patterned metal electrodes periodically disposed at pre-set intervals; and a phosphor layer positioned on the patterned metal electrodes, wherein as a first voltage and a second voltage are alternately applied to the patterned metal electrodes according to the order of their disposition, light emitted from the phosphor layer is discharged to the spaces between the patterned metal electrodes. | 04-14-2011 |
| 20110097853 | VIA FORMING METHOD AND METHOD OF MANUFACTURING MULTI-CHIP PACKAGE USING THE SAME - A via forming method is provided. The via forming method includes: forming via-holes in a substrate; putting the substrate having the via-holes in a first solution to fill the via-holes with the first solution; sinking the metal particles into the via-holes by supplying a second solution containing metal particles to the first solution, in which there is the substrate; and performing a first curing process of heat-treating the substrate having the via-holes filled with the metal particles so as to form vias in the via-holes. Further, a method of manufacturing a multi-chip package using the via forming method is provided. | 04-28-2011 |
| 20110104322 | TEMPLATES USED FOR NANOIMPRINT LITHOGRAPHY AND METHODS FOR FABRICATING THE SAME - Provided are a template used for nanoimprint lithography and a method for fabricating the same. A raised first deposition layer pattern including at least one downwardly sloped side surface is formed on a substrate. A second deposition layer pattern covering the side surface of the raised first deposition layer pattern and progressively decreasing in width downward along the side surface of the raised first deposition layer pattern is formed. A third deposition layer is formed on the entire surface of a structure on which the second deposition layer pattern. A second deposition layer nano pattern between the raised first deposition layer pattern and a planarized third deposition layer is formed by planarizing the third deposition layer to expose upper surfaces of the raised first deposition layer pattern and the second deposition layer pattern. An intaglio nano pattern defined by side surfaces sloped downward from upper surfaces of the raised first deposition layer pattern and the planarized third deposition layer to the surface of the substrate is formed by removing the second deposition layer nano pattern. | 05-05-2011 |
| 20110136338 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE - A method of fabricating a semiconductor device includes forming a via hole in a semiconductor substrate, forming an isolation layer on an inner side of the via hole, forming a diffusion barrier layer over an upper portion of the semiconductor substrate and the inner side of the via hole where the isolation layer is formed, arranging a solvent, which contains electrically charged metal particles, on the semiconductor substrate where the diffusion barrier layer is formed, and filling the via hole with the metal particles by moving the metal particles using applied external force. The applied external force said includes a voltage causing an electric current to flow between the semiconductor substrate and the solvent, an electrical field applied between the semiconductor substrate and the solvent, or a magnetic field applied between the semiconductor substrate and the solvent. | 06-09-2011 |
| 20110147468 | RFID TAG - Provided is a radio frequency identification (RFID) tag whose data can be stably read at a long distance on the basis of a passive RFID tag. The RFID tag includes a rechargeable unit charged to a predetermined voltage, and a power source including a direct current (DC) power source including a rectifier for converting an RF signal into DC power and a regulator for supplying a predetermined DC voltage, an interceptor disposed between the rechargeable unit and the DC power source to connecting or disconnecting the power to the rechargeable unit, and an overvoltage preventor connected to an output terminal of the DC power source in parallel. | 06-23-2011 |
| 20110147787 | ORGANIC LIGHT EMITTING DIODE AND MANUFACTURING METHOD THEREOF - An organic light emitting diode (OLED) and a method for manufacturing the same are provided. In the OLED, patterned metal electrodes are positioned on one or more of upper and lower portions of a light emission layer to allow light generated from the light emission layer to emit to an area between the patterned metal electrodes. | 06-23-2011 |
| Patent application number | Description | Published |
| 20090269267 | Continuous method and apparatus for functionalizing carbon nanotube - The present invention relates to a continuous method and apparatus for functionalizing a carbon nanotube, and more specifically, to a continuous method and apparatus for functionalizing a carbon nanotube including preparing a functionalized product by functionalizing a carbon nanotube solution including nitro compound according to the following Chemical Formula 1 and carbon nanotube mixture including an oxidizer for forming nitric acid under subcritical water or supercritical water condition of 50 to 400 atm and a continuous method and apparatus for functionalizing a carbon nanotube under subcritical water or supercritical water condition using nitro compound without using strong acids or strong bases. | 10-29-2009 |
| 20090297424 | Continuous method and apparatus of functionalizing carbon nanotube - The present invention relates to a continuous method for functionalizing a carbon nanotube, and more specifically, to a continuous method for functionalizing a carbon nanotube by feeding functional compounds having one or more functional group into a functionalizing reactor into which a carbon nanotube mixture including oxidizer is fed under a pressure of 50 to 400 atm and a temperature of 100 to 600° C. to a subcritical water or supercritical water condition of a pressure of 50 to 40 atm by using a continuously functionalizing apparatus to obtain the functionalized products, such that the functional group of the functional compound can be easily introduced to the carbon nanotube, thereby increasing the functionalized effect of the carbon nanotube and increasing the dispersibility accordingly. | 12-03-2009 |
| 20100065776 | Continuous methods and apparatus of functionalizing carbon nanotube - The present invention relates to a continuous method and apparatus of functionalizing a carbon nanotube, and more specifically, to a continuous method of functionalizing a carbon nanotube under subcritical water or supercritical water conditions without additional functionalizing processes, comprising: a) continuously feeding the carbon nanotube solution and an oxidizer under a pressure of 50 to 400 atm, respectively or together, and then preheating the mixture of said carbon nanotube solution and said oxidizer; b) functionalizing the carbon nanotube in the preheated said mixture under the subcritical water or the supercritical water condition of to 400 atm; c) cooling down the functionalized product into 0 to 100° C. and depressurizing the functionalized product into 1 to 10 atm; and d) recovering the cooled down and depressurized product. | 03-18-2010 |
| 20100080748 | CONTINUOUS METHOD AND APPARATUS OF PURIFYING CARBON NANOTUBES - Provided is a continuous method and apparatus of purifying carbon nanotubes. The continuous method and apparatus of purifying carbon nanotubes is characterized in a first purifying step for injecting a carbon nanotube liquid mixture containing an oxidizer into a purifying reactor under a sub-critical water or supercritical water condition at a pressure of 50 to 400 atm and a temperature of 100 to 600° C. to obtain a purified product, thereby removing amorphous carbon and producing the carbon nanotube product. | 04-01-2010 |
| Patent application number | Description | Published |
| 20080299449 | Cooling Structure Of Lithium Ion Secondary Battery System - The present invention relates to a cooling structure of a lithium ion secondary battery system. The cooling structure of a lithium ion secondary battery system according to the present invention provides cooling channels for lithium battery unit cells accommodated by a laterally partitioned arrangement of main frames, each having a heat radiation part and lattice-shaped paths, and partitioning frames, and allows air, blown by a cooling fan, to cool the lithium battery unit cells while passing through the cooling channels and the lattice-shaped paths. Each of the main frames has a pair of passage slots formed in both sides thereof to allow the air blown by the cooling fan to be directly blown to each accommodated lithium battery unit cell, thus forming each secondary cooling channel communicating with the pair of passage slots. | 12-04-2008 |
| 20100233536 | SAFETY APPARATUS USING HIGH POWER BATTERY - Disclosed is a safety apparatus for responding to a battery short-circuit, and more particularly a safety apparatus for use in the event of a short-circuited of a high power battery, in which a PTC function is integrated into a tab of a high power battery. The safety apparatus for responding to a short-circuit of a high power battery comprises a casing, a battery part including a first electrode plate, a separator, and a second electrode plate arranged in that order and disposed inside the casing, a first tab connected to one of four edges of the first electrode plate via a first tab welding part and protruding from the casing, and a second tab connected to one of four edges of the second electrode plate via a second tab welding part and protruding from the casing, wherein a portion of the first tab ruptures when the first tab and the second tab are short-circuited, thus preventing the first electrode plate and the second electrode plate from being short-circuited. | 09-16-2010 |