Patent application number | Description | Published |
20080286187 | MESOPOROUS SILICA PARTICLES AND PREPARATION METHOD THEREOF - Disclosed are mesoporous silica particles and a preparation method thereof, particularly, a method of preparing mesoporous silica particles, including mixing a silica precursor, an alkylamine-based surfactant, and a phosphoric acid-based cosurfactant, thus preparing a mixture solution (a mother liquor); adding or not adding the mixture solution with an acid solution, and conducting stirring, thus providing mesoporous silica particles; and thermally treating the mesoporous silica particles. These mesoporous silica particles are prepared using a phosphoric acid-based cosurfactant for stabilizing the surface of the particles to prevent the aggregation thereof, thereby uniformly distributing the particles. Through a hydrothermal reaction, the mesoporous silica particles have various pore sizes, a large surface area, and a high pore volume, and thus are widely used in catalysts, adsorbents, low dielectrics, and separation and purification processes, and are useful as templates for the preparation of novel porous materials, including porous carbon. | 11-20-2008 |
20100108204 | ZIRCONIUM ALLOY COMPOSITION FOR NUCLEAR FUEL CLADDING TUBE FORMING PROTECTIVE OXIDE FILM, ZIRCONIUM ALLOY NUCLEAR FUEL CLADDING TUBE MANUFACTURED USING THE COMPOSITION, AND METHOD OF MANUFACTURING THE ZIRCONIUM ALLOY NUCLEAR FUEL CLADDING TUBE - Disclosed herein is a zirconium alloy composition for nuclear fuel cladding tubes, comprising: 1.6˜2.0 wt % of Nb; 0.05˜0.14 wt % of Sn; 0.02˜0.2 wt % of one or more elements selected from the group consisting of Fe, Cr and Cu; 0.09˜0.15 wt % of O; 0.008˜0.012 wt % of Si; and a balance of Zr, a nuclear fuel cladding tube comprising the zirconium alloy composition, and a method of manufacturing the nuclear fuel cladding tube. Since the nuclear fuel cladding tube made of the zirconium alloy composition can maintain excellent corrosion resistance by forming a protective oxide film thereon under the conditions of high-temperature and high-pressure cooling water and water vapor, it can be usefully used as a nuclear fuel cladding tube for light water reactors or heavy water reactors, thus improving the economical efficiency and safety of the use of nuclear fuel. | 05-06-2010 |
20120145287 | ZIRCONIUM ALLOY COMPOSITIONS HAVING EXCELLENT CORROSION RESISTANCE BY THE CONTROL OF VARIOUS METAL-OXIDE AND PRECIPITATE AND PREPARATION METHOD THEREOF - Disclosed herein are a zirconium alloy composition, which exhibits excellent corrosion resistance by varying the kinds of metal oxides and controlling the size of precipitates of the composition, including: 1.05˜1.45 wt % of Nb; one or more selected from the group consisting of 0.1˜0.7 wt % of Fe and 0.05˜0.6 wt % of Cr; and residual Zr, and a method of preparing the same. The zirconium alloy composition exhibits excellent corrosion resistance by controlling the kinds and amounts of the elements included in the zirconium alloy composition and the heat-treatment temperature and thus varying the kinds of metal oxides formed during an oxidation process and controlling the size of precipitates of the zirconium alloy, so that it can be usefully used as a raw material for nuclear fuel cladding tubes, spacer grids, nuclear reactor internals and the like of a light-water reactor or a heavy-water reactor in a nuclear power plant. | 06-14-2012 |
Patent application number | Description | Published |
20100046130 | CIRCUIT PROTECTION DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a circuit protection device and a method of manufacturing the same. The circuit protection device includes a common mode noise filter having a plurality of sheets, each of the sheets being formed to optionally include a coil pattern, an internal electrode, a hole filled with a conductive material, and a hole filled with a magnetic material; and an electrostatic discharge (ESD) protection device having a plurality of sheets, each of the sheets being formed to optionally include an internal electrode and a hole filled with an ESD protection material. According to the present invention, a solenoid-type common mode noise filter and an ESD protection device are laminated as a single device, and thereby common mode noises and ESD of the electronic device can be simultaneously prevented. Accordingly, the circuit protection device has a simple configuration as compared with a conventional art in which discrete devices are used to prevent common mode noises and ESD, so that an increase in size of an electronic device can be prevented, and input/output signal distortion can be prevented to thereby enhance the reliability of the electronic device. | 02-25-2010 |
20130295694 | CIRCUIT PROTECTION DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a circuit protection device and a method of manufacturing the same. The circuit protection device includes a common mode noise filter having a plurality of sheets, each of the sheets being formed to optionally include a coil pattern, an internal electrode, a hole filled with a conductive material, and a hole filled with a magnetic material; and an electrostatic discharge (ESD) protection device having a plurality of sheets, each of the sheets being formed to optionally include an internal electrode and a hole filled with an ESD protection material. | 11-07-2013 |
20140347773 | CIRCUIT PROTECTION DEVICE - Provided is a circuit protection device including a plurality of sheets selectively formed with at least one coil pattern, at least one withdrawal electrode, at least one hole filled with a conductive material, and at least one capacitor electrode and at least two inductors and at least two capacitors, in which the at least one coil pattern forms one inductor and a capacitor is formed between the capacitor electrode and the coil pattern. | 11-27-2014 |
20140375406 | CIRCUIT PROTECTION DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a circuit protection device and a method of manufacturing the same. The circuit protection device includes a common mode noise filter having a plurality of sheets, each of the sheets being formed to optionally include a coil pattern, an internal electrode, a hole filled with a conductive material, and a hole filled with a magnetic material; and an electrostatic discharge (ESD) protection device having a plurality of sheets, each of the sheets being formed to optionally include an internal electrode and a hole filled with an ESD protection material. | 12-25-2014 |
Patent application number | Description | Published |
20130149212 | DEVICE FOR REVAPORIZING NATURAL GAS - Disclosed is a device for revaporizing natural gas. Provided is a device for revaporizing natural gas hydrate pellets, comprising: a pellet charging portion for charging pellets which is formed with an upper valve and a lower valve so as to divide space for adjusting pressure; a storing portion, which communicates with the lower portion of the pellet charging portion, for receiving pellets when the lower valve is opened; a transfer screw, one end of which couples to the lower portion of the storing portion, for transferring the pellets in the storing portion; and a dissolving reaction tub, which is coupled to the other end of the transfer screw, receives pellets from the lower portion of the dissolving reaction tub, and which accommodates heating water. | 06-13-2013 |
20130158306 | DEVICE AND METHOD FOR MANUFACTURING NATURAL GAS HYDRATE - Disclosed are a device and a method for manufacturing a natural gas hydrate. Provided is the device for manufacturing a natural gas hydrate comprising: an ice slurry generation unit for preparing ice slurry having 13-20% of ice at normal pressure; a first pipe, having one end connected to the ice slurry generation unit for withdrawing the ice slurry from the ice slurry generation unit, and in which a high-pressure pump for increasing pressure on the ice slurry is interposed; a hydrate preparation reactor, which is connected to the other end of the first pipe so as to receive the pressurized ice slurry, and to which natural gas is supplied and mixed, for generating natural gas hydrate slurry; a second pipe, having one end connected to the hydrate preparation reactor, for withdrawing the natural gas hydrate slurry; and a dehydrating portion, which is connected to the other end of the second pipe, for dehydrating the natural gas hydrate slurry. | 06-20-2013 |
Patent application number | Description | Published |
20100227221 | Preparation Method of Lithium-Metal Composite Oxides - Disclosed is a method for preparing a lithium-metal composite oxide, the method comprising the steps of: (a) mixing an aqueous solution of one or more transition metal-containing precursor compounds with an alkalifying agent and a lithium precursor compound to precipitate hydroxides of the transition metals; (b) mixing the mixture of step (a) with water under supercritical or subcritical conditions to synthesize a lithium-metal composite oxide, and drying the lithium-metal composite oxide; and (c) subjecting the dried lithium-metal composite oxide either to calcination or to granulation and then calcination. Also disclosed are an electrode comprising the lithium-metal composite oxide, and an electrochemical device comprising the electrode. In the disclosed invention, a lithium-metal composite oxide synthesized based on the prior supercritical hydrothermal synthesis method is subjected either to calcination or to granulation and then calcination. Thus, unlike the prior dry calcination method or wet precipitation method, a uniform solid solution can be formed and the ordering of metals in the composite oxide can be improved. Accordingly, the lithium-metal composite oxide can show crystal stability and excellent electrochemical properties. | 09-09-2010 |
20100227222 | Lithium-Metal Composite Oxides and Electrochemical Device Using the Same - Disclosed is a lithium-containing metal composite oxide comprising paramagnetic and diamagnetic metals, which satisfies any one of the following conditions: (a) the ratio of intensity between a main peak of 0±10 ppm (Io PPm) and a main peak of 240±140 ppm (I240 pPm), Uoppm/124o PPm), is less than 0.117·Z wherein Z is the ratio of moles of the diamagnetic metal to moles of lithium; (b) the ratio of line width between the main peak of 0±10 ppm (Io PPm) and the main peak of 240+140 ppm (I24o PPm), (W24o PPm/WO ppm), is less than 21.45; and (c) both the conditions (a) and (b), the peaks being obtained according to the 7Li—NMR measurement conditions and means disclosed herein. Also, an electrode comprising the lithium-containing metal composite oxide, and an electrochemical device comprising the electrode are disclosed. The lithium-containing multicomponent metal composite oxide shows crystal stability and excellent physical properties as a result of an improved ordering structure of metals, in which the components of the composite oxide are uniformly distributed. Thus, it can provide a battery having high capacity characteristics, long cycle life characteristics and improved rate characteristics. | 09-09-2010 |
Patent application number | Description | Published |
20090212464 | INJECTION MOLDING MACHINE AND METHOD OF USING THE SAME - The molding apparatus includes a cavity mold with a cavity surface for defining a cavity in which a molten injection material is injected, and a core mold with a core surface for defining the cavity upon engagement with the cavity mold. The core mold has an intermediate core mold plate having the core surface and a support plate. A guide pin inserted into a guide hole formed in the cavity mold and fitted through the intermediate core mold plate to allow the intermediate core mold plate to be moved only in a forward and backward direction is fixed to the support plate. A first spring is installed between the intermediate core mold plate and the support plate, a first heating means is installed to a parting surface of the intermediate core mold plate and a cooling means is installed to the support plate. | 08-27-2009 |
20120129992 | SYNTHETIC RESIN COMPOSITION, INJECTION MOLDING METHOD AND METAL-TEXTURE RESIN MOLDED ARTICLE - A synthetic resin composition for metal-texture resin molded articles includes 100 parts by weight of a thermoplastic resin, 0.1 to 10 parts by weight of a plate-like metallic pigment, 1 to 50 parts by weight of a spherical glassy material and 1 to 50 parts by weight of an ultrafine filamentary material. An injection molding method for producing a metal-texture resin molded article from the synthetic resin composition and a metal-texture resin molded article molded from the synthetic resin composition are also provided. | 05-24-2012 |
20150090777 | LABEL FOR PRODUCT AUTHENTICATION, METHOD FOR GENERATING AUTHENTICATION CODE OF LABEL, METHOD AND SYSTEM FOR AUTHENTICATING LABEL, PORTABLE TERMINAL FOR AUTHENTICATING LABEL, AND COMPUTER-READABLE RECORDING MEDIUM FOR AUTHENTICATING LABEL - A product authentication label includes a carrier layer made of a transparent or translucent material, a plurality of first reflection pattern forming bodies disposed in the carrier layer and configured to reflect a substantially identical reflection pattern regardless of the direction of irradiated light, and a plurality of second reflection pattern forming bodies randomly disposed in the carrier layer and configured to reflect a reflection pattern which varies depending on the direction of irradiated light. | 04-02-2015 |
Patent application number | Description | Published |
20100007674 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR DRIVING THE SAME - In an organic light emitting display, a gamma can be applied according to color regardless of the sequence of data output from a data driver, even if a separate gamma by color is used. A method for driving the organic light emitting display is also provided. | 01-14-2010 |
20100097302 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display includes a display unit including a plurality of pixels coupled to scan lines and data lines, a data driver for applying data signals to the data lines, a black data inserting unit between the display unit and the data driver for applying black data to the display unit, the black data being applied between periods in which the data signals are applied, and a timing controller for controlling the data driver and the black data inserting unit. | 04-22-2010 |
20130207940 | DISPLAY DEVICE AND DRIVING METHOD FOR THE SAME - A display device is disclosed. In one aspect, the display device includes a display panel for displaying an image in at least two separate fields during a frame, a panel driver configured to transmit output data for each field corresponding to the at least two fields and drive the display panel according to each field, and a controller configured to analyze an image pattern corresponding to input data, and generate the output data for each field from the input data according to an analysis result of the pattern, or extract each field data from the input data according to a predetermined data alignment method and generate the output data for each field by using the field data. | 08-15-2013 |
20130208019 | DISPLAY DEVICE AND MEMORY ARRANGING METHOD FOR IMAGE DATA THEREOF - A display device and an image data memory arrangement method thereof are disclosed. When driving one frame with first and second fields, an input data signal is divided into first and second field data and the first and second field data are respectively arranged according to a light emitting driving sequence to control the light emitting for each field to be displayed. The first and second field data signals respectively include a color data signal pattern in which the data signals transmitted to the pixels corresponding to the same pixel column among the pixels respectively included in the first pixel row and the fourth pixel row display the same color, and the data signals transmitted to the pixels corresponding to the same pixel column among the pixels respectively included in the second pixel row and the third pixel row display the same color. | 08-15-2013 |
20140071175 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable. | 03-13-2014 |
20140232735 | DISPLAY DEVICE, DATA PROCESSOR AND METHOD THEREOF - A data processor for a display device that includes a plurality of pixels, each of which includes red, first green, blue, and second green sub-pixels, may include an input gamma processor for processing image data including red, green, and blue grayscale data into linearized image data by applying a gamma function to the image data, a first sub-pixel rendering unit for rendering the linearized image data according to layout of a plurality of sub-pixels included in the plurality of pixels using a | 08-21-2014 |
20140333686 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A pixel for a display panel includes an organic light emitting diode and two driving transistors. The first driving transistor supplies current from a first power source to the organic light emitting diode based on a voltage applied to a first node. The second driving transistor coupled between an electrode of the first driving transistor and the organic light emitting diode. The second driving transistor is turned on or turned off corresponding to a data signal supplied from a data line. A third transistor, coupled between a gate electrode of the second driving transistor and the data line, is turned on when a scan signal is supplied to a scan line. A compensation circuit is coupled to the first node to compensate for a voltage corresponding to a threshold voltage of the first driving transistor. | 11-13-2014 |
20150015590 | DISPLAY DEVICE, DATA PROCESSING APPARATUS, AND RELATED METHOD - A data processing apparatus includes a diagonal detector, a first processor, and a second processor. The diagonal detector may determine whether a red-blue data set includes data for controlling a display device to display any diagonal line, the display device including subpixels arranged in first-type lines and second-type lines that are alternately disposed, the red-blue data set including 9 data values that correspond to 9 subpixels among the subpixels, the 9 subpixels forming a 3-by-3 array that includes a center subpixel, the 9 data values including a center data value that corresponds to the center subpixel. The first/second processor may process the center data value using a first/second coefficient to produce a first/second value that corresponds to the center subpixel if the center subpixel is in the first-type/second-type lines. | 01-15-2015 |
20150015600 | SIGNAL PROCESSING METHOD, SIGNAL PROCESSOR, AND DISPLAY DEVICE INCLUDING SIGNAL PROCESSOR - A method of signal-processing input image data of a display device including a plurality of pixels, each pixel including a green subpixel and one of a red subpixel and a blue subpixel, the method includes: performing a gamma-conversion on input image data corresponding to the one of the red subpixel and the blue subpixel in each pixel; distributing the gamma-converted input image data corresponding to a center pixel to image data of a pixel in a vertical direction based on the center pixel by a first ratio; and distributing the gamma-converted input image data corresponding to the center pixel to image data of a pixel in a horizontal direction based on the center pixel by a second ratio, where the green subpixel and the one of the red subpixel and the blue subpixel are diagonally disposed in each pixel. | 01-15-2015 |
20150015618 | GAMMA VOLTAGE SUPPLY DEVICE AND DISPLAY DEVICE USING THE SAME - A display device includes a display unit, a gamma voltage generator, a gamma voltage unit, a data driver, and a timing controller. The display unit includes pixels emitting light according to data signals supplied through data lines. The gamma voltage generator is configured to generate a first set of reference gamma voltages, and to supply the first set of reference gamma voltages to a gamma voltage unit. The gamma voltage unit is configured to generate gamma voltages using the first set of reference gamma voltages and a second set of reference gamma voltages, and to supply the generated gamma voltages to a data driver. The data driver is configured to generate the data signals using the generated gamma voltages, and to supply the generated data signal to the data lines. The timing controller is configured to control the data driver according to an image signal. | 01-15-2015 |