GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY Patent applications |
Patent application number | Title | Published |
20160061816 | SCREENING METHOD FOR ION CHANNEL MODULATORS USING MUTATED BKCA CHANNEL - The present disclosure relates to a doubly mutated BK | 03-03-2016 |
20160051939 | NANOCOMPOSITE ULTRA-THIN SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a nanocomposite ultra-thin separation membrane and a method for manufacturing the same, wherein the nanocomposite ultra-thin separation membrane for seawater desalination according to the present invention includes: 1) a polyamide-based polymer active layer; 2) a polyethersulfone support membrane; 3) an external support body; and 4) carbon nanotube, to remarkably improve hydrophilicity of the porous support membrane, thereby having more than doubled water permeability of the entire separation film. In addition, due to a physiochemical reaction of the functionalized carbon nanotube, a support membrane exposed to air for a long period of time is also usable as a lower body of the ultra-thin separation membrane. | 02-25-2016 |
20150288126 | HIGH POWER ULTRA-SHORT LASER DEVICE - Disclosed is a high power ultra-short pulsed laser device increasing pulse energy by using resonators. A pulsed laser device may comprise a first resonator making a pump beam resonate primarily and passing the pump beam which resonated through a first output mirror; and a second resonator comprising a first multiple reflection mirror and a second multiple reflection mirror. Also, the first multiple reflection mirror includes at least one first small area mirror, and the second multiple reflection mirror includes at least one second small area mirror, and the second resonator makes the laser beam delivered from the first resonator resonate by reflecting the laser beam repetitively. Therefore, the pulsed laser device may increase pulse energy without using a multi-stage amplifier so that a high power ultra-short pulsed laser beam can be generated. | 10-08-2015 |
20150286078 | OPTICAL DEVICE INCLUDING THREE-COUPLED QUANTUM WELL STRUCTURE - An optical device includes an active layer that includes at least two outer barriers and at least one coupled quantum well that is inserted between the at least two outer barriers. Each coupled quantum well includes at least three quantum well layers and at least two coupling barriers that are respectively provided between the at least three quantum well layers. Thicknesses of two quantum well layers disposed at opposite end portions of the at least three quantum well layers are less than a thickness of the other quantum well layer disposed between the two quantum well layers disposed at the opposite end portions. A bandgap of the two quantum well layers disposed at the opposite end portions may be higher than a bandgap of the other quantum well layer disposed between the two quantum well layers. | 10-08-2015 |
20150160114 | METHOD AND APPARATUS FOR IMAGING CELLS - The present invention provides the method and apparatus to acquire three-dimensional images of cells. The present invention comprises (a) preparing the solid-state specimen containing (i) cells, (ii) viruses, (iii) the liquid containing the cells, or (iv) the liquid containing the viruses; (b) acquiring the surface information on the said solid-state specimen; (c) removing the surface of the said solid-state specimen and forming a new surface; and (d) acquiring the information on the new surface. According to the present invention, provided is the cell imaging method to acquire information to grasp practically the condition of the cell. Also, the present invention can provide information on the molecules and atoms consisting various biomolecules and organelles present in the cells. Furthermore, the present invention can provide the information on the interaction between the biomolecules present in the cells and the organic relationship among intracellular organelles. | 06-11-2015 |
20150153628 | OPTICAL MODULATOR USING MULTIPLE FABRY-PEROT RESONANT MODES AND APPARATUS FOR CAPTURING 3D IMAGE INCLUDING THE OPTICAL MODULATOR - An optical modulator includes: a bottom reflective layer; an active layer which is disposed on the bottom reflective layer and includes a multiple quantum well layer; and a top reflective layer which is disposed on the active layer, the top reflective layer including a first top reflective layer which is disposed on the active layer, a first cavity layer which is disposed on the first top reflective layer, a second top reflective layer which is disposed on the first cavity layer, a second cavity layer which is disposed on the second top reflective layer, and a third top reflective layer which is disposed on the second cavity layer. When a center wavelength of an incident light to be modulated is λ, the active layer and the first and second cavity layers have an optical thickness that is an integer multiple of λ/2 to provide an individual resonant cavity. | 06-04-2015 |
20150138620 | TRANSMISSIVE IMAGE MODULATOR USING MULTI-FABRY-PEROT RESONANT MODE AND MULTI-ABSORPTION MODE - A transmissive image modulator for allowing image modulation over a wide bandwidth with multiple Fabry-Perot resonant modes and multiple absorption modes is provided. The transmissive image modulator includes a lower reflection layer; an active layer disposed on the lower reflection layer, including multiple quantum well layers and multiple barrier layers; an upper reflection layer disposed on the active layer; and at least one micro-cavity layer disposed in at least one of the lower and upper reflection layer. The active layer and the at least one micro-cavity layer have thicknesses of a multiple of λ/2, where λ is a resonant wavelength. | 05-21-2015 |
20150123077 | OPTICAL DEVICE INCLUDING THREE-COUPLED QUANTUM WELL STRUCTURE HAVING MULTI-ENERGY LEVEL - An optical device is provided including an active layer having two outer barriers and a coupled quantum well between the two outer barriers. The coupled quantum well includes a first quantum well layer, a second quantum well layer, a third quantum well layer, a first coupling barrier between the first quantum well layer and the second quantum well layer, and a second coupling barrier between the second quantum well layer and the third quantum well layer. A thickness of the first quantum well layer and a thickness of the third quantum well layer are each different from a thickness of the second quantum well layer. Also, an energy level of the first quantum well layer and an energy level of the third quantum well layer are each different from an energy level of the second quantum well layer. | 05-07-2015 |
20150117729 | POLYP DETECTION APPARATUS AND METHOD OF OPERATING THE SAME - A polyp detection apparatus and a method of operating the same are provided. The method of operating a polyp detection apparatus includes: generating an image of an object; detecting a polyp candidate region based on the generated image; detecting a reflected light region within the detected polyp candidate region; and displaying a final polyp region by excluding the detected reflected light region from the polyp candidate region. | 04-30-2015 |
20150117728 | METHOD AND APPARATUS FOR GENERATING 3D KNEE JOINT IMAGE - Disclosed herein are a method and an apparatus for generating a 3D knee joint image. According to an exemplary embodiment of the present invention, a method for generating a 3D knee joint image includes: generating a statistical shape model by using previously generated sample knee bone images; generating a knee joint bone image by segmenting a bone region from an input knee image using the statistical shape model; generating a keen joint cartilage image by segmenting a cartilage region from the knee joint bone image; and generating a 3D knee joint image for the input knee image by composing the knee joint bone image with the knee joint cartilage image. According to the exemplary embodiments of the present invention, it is possible to more rapidly and accurately generate the 3D knee joint image. | 04-30-2015 |
20150111228 | OPTICAL BIOSENSOR - The present disclosure provides an optical biosensor including a complex including a porous support and an enzyme supported inside the pores of the porous support and a method for preparing the same. Since a dye does not flow but is concentrated in one place, the optical biosensor of the present disclosure has remarkably improved sensitivity. In addition, it is possible to carry out quantitative determination and qualitative analysis since color intensity increases with time. | 04-23-2015 |
20150088797 | SYNAPSE CIRCUITS FOR CONNECTING NEURON CIRCUITS, UNIT CELLS COMPOSING NEUROMORPHIC CIRCUIT, AND NEUROMORPHIC CIRCUITS - Example embodiments relate to a synapse circuit connecting neuron circuits by using two memristors so as to enhance symmetry, a neuromorphic circuit using the same, and a unit cell composing the neuromorphic circuit. | 03-26-2015 |
20150078214 | ACCESS POINT FOR WIRELESS LAN AND MEDIUM ACCESS CONTROL METHOD THEREOF - In a medium access control method of an access point for a wireless LAN, the access point is capable of full-duplex communication, and the medium access control method includes receiving a frame header of a first data frame from a first terminal, and transmitting a second data frame to a second terminal while the first data frame is received from the first terminal. | 03-19-2015 |
20150078213 | MEDIUM ACCESS CONTROL METHOD IN SINGLE CHANNEL WIRELESS NETWORK ENVIRONMENT - Disclosed herein is a medium access control method in a single channel wireless network environment, which is a medium access control method of a receiving side terminal capable of communicating in a full-duplex communication scheme. The medium access control method includes: receiving a frame header of a data frame; and transmitting an ACK frame in response to the frame header. | 03-19-2015 |
20150073122 | PORPHYRIN-PEPTOID CONJUGATE AND THE PREPARATION PROCESS THEREOF - Disclosed are a porphyrin-peptoid conjugate and a method for preparing the same. The porphyrin-peptoid conjugate according to the present disclosure has porphyrins arranged face-to-face on a helical peptoid. The porphyrin-peptoid conjugate according to the present disclosure is a new-concept photosensitizing dye material wherein the distance, arrangement and number of porphyrins are controllable. Since the porphyrin-peptoid conjugate is monodisperse and has a precisely defined structure, selective decoration of dyes is easy and dyes can be arranged on the peptoid helix sequence and space specifically. Accordingly, a new high-efficiency photosensitizing dye molecule system having wide absorption spectrum including the visible and near-infrared range and high absorption coefficient can be prepared. | 03-12-2015 |
20150059579 | GAS SEPARATION MEMBRANE FOR CARBON DIOXIDE AND PREPARATION METHOD THEREOF - The present disclosure relates to a gas separation membrane for filtration of carbon dioxide and a preparation method thereof. The gas separation membrane for filtration of carbon dioxide according to the present disclosure exhibits superior performance in rejecting carbon dioxide selectively from mixture gas. It is a separation membrane system leaving carbon dioxide and passing nitrogen, unlike the conventional systems which leave nitrogen and pass carbon dioxide. In addition, since compressed, highly-concentrated carbon dioxide can be obtained, the consumption of energy required for carbon dioxide storage following separation can be reduced. Furthermore, the separation membrane of the present disclosure, which is environment-friendly and consumes less energy, allows highly efficient separation and is easily applicable to the separation of carbon dioxide not only from the mixture of carbon dioxide with nitrogen but also from other mixtures of carbon dioxide with, for example, CO | 03-05-2015 |
20150017414 | CONDUCTING NETWORK COMPOSITE COMPRISING POLYANILINE AND POLYPYRROLE, AND METHOD FOR PREPARING THE SAME - Disclosed herein are a conducting network for storing gas such as hydrogen, carbon dioxide, or the like, and a method for preparing the same, and particularly, a conducting network composite including: dopant-doped polyaniline nanofiber supporter; and a polypyrrole layer laminated on the supporter, and a method for preparing the same. | 01-15-2015 |
20140379131 | Control Method and Device for Position-Based Impedance Controlled Industrial Robot - The present invention relates to a control method and device for position-based impedance controlled industrial robot, and more particularly, a control method and device for position-based impedance controlled industrial robot able to improve contact stabilization with regard to an environment with a variety of stiffness. | 12-25-2014 |
20140378563 | SOLID STATE VAPOR PHASE POLYMERIZATION METHOD FOR NANOPOROUS POLYPYRROLE AND NANOPOROUS POLYPYRROLE PREPARED THEREFROM - Disclosed herein is a method for preparing a nanoporous polypyrrole for storing gas such as hydrogen, carbon dioxide, or the like, and a nanoporous polypyrrole prepared therefrom. More particularly, disclosed herein are a solid state vapor phase polymerization method for nanoporous polypyrrole, the method comprising dispersing a solid state oxidant on a substrate; exposing the substrate and the oxidant to vapor phase pyrrole monomers to perform a polymerization reaction of the pyrrole monomers to thereby prepare a solid state polypyrrole; and cleaning and drying the solid state polypyrrole; and a nanoporous polypyrrole prepared therefrom. | 12-25-2014 |
20140367634 | NITRIDE-BASED LIGHT EMITTING DIODE INCLUDING NONORODS AND METHOD OF MMANUFACTURING THE SAME - Disclosed are a nitride-based light emitting diode (LED) and a method of manufacturing the same. The LED includes an n-type nitride semiconductor layer formed on a substrate, a plurality of n-type nitride semiconductor nanorods formed on the n-type nitride semiconductor layer and each having a non-polar face on a major surface thereof, a photoactive layer formed on the n-type nitride semiconductor layer and surfaces of the n-type nitride semiconductor nanorods, a p-type nitride semiconductor layer formed in a hexagonal pyramid shape on the photoactive layer, a current spreading layer formed on the p-type nitride semiconductor layer, an anode formed on the current spreading layer, and a cathode formed on an exposed surface of the n-type nitride semiconductor layer. | 12-18-2014 |
20140361288 | ZnO FILM STRUCTURE AND METHOD OF FORMING THE SAME - Disclosed herein are a ZnO film structure and a method of forming the same. Dislocation density of a ZnO film grown through epitaxial lateral overgrowth (ELOG) is minimized. In order to block a chemical reaction between the ZnO film and a mask layer at the time of performing the ELOG, a material of the mask layer is AlF | 12-11-2014 |
20140356754 | MEMBRANE-ELECTRODE ASSEMBLY, DIRECT CARBON FUEL CELL INCLUDING THE SAME, AND METHOD OF PREPARING THE SAME - Disclosed herein is a direct carbon fuel cell in which a coal fuel is oxidized electrochemically so as to create electrons to cause the electrons to generate electricity by a voltage difference between two electrodes. Specifically, a membrane-electrode assembly for operating a low rank coal fuel, a direct carbon fuel cell including the same, and a method of preparing the same are provided. | 12-04-2014 |
20140346437 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device is provided including a first conductivity-type semiconductor layer, an active layer including at least one quantum barrier layer made of In | 11-27-2014 |
20140336971 | QUANTITATIVE ANALYZING METHOD OF CIGS FILM USING A LASER INDUCED BREAKDOWN SPECTROSCOPY - Disclosed herein is a quantitative analyzing method of a copper indium gallium selenide (CIGS) film, the method including: obtaining spectra by irradiating a laser on the plurality of CIGS films having different component compositions, selecting a first spectral line and a second spectral line among the spectra of target elements to be analyzed and obtaining a correlation plot between a measured intensity of the first spectral line and a measured intensity of the second spectral line, correcting the measured intensity of the first spectral line and the measured intensity of the second spectral line using results obtained by curve fitting the correlation plot, obtaining a linear calibration curve using the corrected intensity of the first spectral line and the corrected intensity of the second spectral line; and comparing the linear calibration curve with LIBS analysis of a target sample to be analyzed. | 11-13-2014 |
20140327907 | COMPONENT QUANTITATIVE ANALYZING METHOD DEPENDING ON DEPTH OF CIGS FILM USING LASER INDUCED BREAKDOWN SPECTROSCOPY - Disclosed herein is a component quantitative analyzing method depending on a depth of a CIGS film, the method including: generating plasma by irradiating a laser beam on the CIGS film and obtaining spectra generated from the plasma, selecting spectral lines having similar characteristics among spectra of specific elements of the CIGS film, and measuring component composition using a value obtained by summing intensities of the selected spectral lines. | 11-06-2014 |
20140312278 | 3D COVALENT MOLECULAR NETWORK NANOCAPSULE AND PREPARING METHOD THEREOF - Disclosed herein are a polymer nanocapsule and a preparing method thereof, and more particularly, a 3D covalent molecular network nanocapsule, and a preparing method thereof. According to the present invention, a nanocapsule having thermal stability and solvent resistance due to a 3D covalent molecular network structure may be easily prepared without performing an additional post-processing process such as addition of a cross-linking agent or catalyst or removal of a template or core. Since the nanocapsule formed as described above may support an organic dye, metal particles, and the like, it is expected that the nanocapsule will be variously applied to material storage and transport, drug delivery, and the like. | 10-23-2014 |
20140296479 | D-APTIDE AND RETRO-INVERSO APTIDE WITH MAINTAINED TARGET AFFINITY AND IMPROVED STABILITY - The present invention is characterized by a D-Aptamer-Like Peptide (D-Aptide) or retro-inverso Aptide which specifically binds to a target comprising: (a) a structure stabilizing region comprising parallel, antiparallel or parallel and antiparallel D-amino acid strands with interstrand noncovalent bonds; and (b) a target binding region I and a target binding region II comprising randomly selected n and m D-amino acids, respectively, and coupled to both ends of the structure stabilizing region. The D-Aptide or retro-inverso Aptide has the sequence of the same or opposite direction to L-Aptide, wherein the stability to proteases is improved while maintaining the affinity to a target compared with L-Aptide. The D-Aptide of the present invention has substantially the same target affinity and a remarkably improved stability compared with L-Aptide which is different from a general technical knowledge. | 10-02-2014 |
20140287272 | ELECTROLYTE-MEMBRANELESS MICROBIAL FUEL CELL, IN-SERIES STACK THEREOF, AND IN-PARALLEL COMBINATION THEREOF - Disclosed herein are an electrolyte-membraneless microbial fuel cell, in-series stack thereof, and in-parallel combination thereof. According to various implementation examples, problems relating to scaling up and modularization are overcome, and problems relating to using an electrolyte membrane are solved. | 09-25-2014 |
20140216551 | POLYMER SOLAR CELL AND METHOD OF FORMING THE SAME - Provided is a polymer solar cell. The polymer solar cell includes a photoactive layer having a network-structured electron donor layer and a silica thin film layer surrounding the electron donor layer. By mixing of electron donor polymers, electron acceptor polymers, and block copolymers, the electron donor polymers form polymer grains through a self-assembly process. In addition, during a heat treatment process, silica precursors included in the block copolymers cross-link to each other to form the silica thin film. Electrons generated in the electron donor layer tunnel through the silica thin film, and holes are blocked by the silica thin film. Accordingly, electron-hole recombination in the electron acceptor layer is prevented. | 08-07-2014 |
20140202953 | Multilayer Membrane Containing Carbon Nanotube Manufactured by Layer-By-Layer Assembly Method - Disclosed herein is a multilayer membrane containing carbon nanotube manufactured by a layer-by-layer assembly method, the multilayer membrane according to the present invention having excellent (i) flux property, (ii) anti-fouling (in particular, anti-protein-fouling) property, and (iii) flux recovery property by a simple water cleaning process even after the membrane is fouled. | 07-24-2014 |
20140191196 | OPTICAL DEVICE INCLUDING THREE COUPLED QUANTUM WELL STRUCTURE - Provided is an optical device which includes an active layer which includes at least two outer barriers and at least one coupled quantum well, each of the at least one coupled quantum well is sandwiched between the at least two outer barriers. Each of the at least one coupled quantum well includes at least three quantum well layers and at least two coupling barriers interposed between the at least three quantum layers. The at least two coupling barriers have a potential energy which is higher than a ground level and is lower than energy levels of the at least two outer barriers. | 07-10-2014 |
20140177033 | PULSE LASER DEVICE AND BURST MODE USING SAME, AND METHOD FOR CONTROLLING A VARIABLE BURST MODE - The present invention relates to a pulse laser device, and more particularly, to a pulse laser device which can be operated in a burst mode, in which the output of a low-output laser generator is adjusted so as to enable the uniform control of the profile of the peak output of a final output optical pulse train, and in a variable burst mode, in which the profile of the final output optical pulse train can be controlled into an arbitrary waveform. | 06-26-2014 |
20140176186 | GRAPHENE MULTIPLE-VALUED LOGIC DEVICE, OPERATION METHOD THEREOF, AND FABRICATION METHOD THEREOF - A graphene multiple-valued logic device and a fabrication method thereof are disclosed. The graphene multiple-valued logic device includes a substrate, a graphene channel layer disposed on the substrate, source and drain electrodes disposed at both ends of the graphene channel layer, respectively, an insulator film formed on the graphene channel layer; and at least two gate electrodes disposed on the insulator film with a predetermined gap defined therebetween. The device allows adjustment of conductivity and resistance of the graphene channel layer depending on a gate voltage, whereby electric current flowing in the device can be variously changed when applied to a multiple-valued logic system. | 06-26-2014 |
20140171632 | APPARATUS AND METHOD FOR SEPARATING FIBROUS MATERIAL - An apparatus for separating fibrous materials includes: an introduction unit through which fibrous materials capable of performing Brownian motion are introduced; a moving path providing section prepared in a state in which at least one field causing movement of the fibrous materials in a predetermined direction is applied thereto, and providing a moving path for the fibrous materials; at least three capture zone-providing segments provided to the moving path providing section so as to at least temporarily capture the fibrous materials; and an collecting unit collecting the fibrous materials having passed through the moving path providing section. The apparatus and method have improved safety and improved purity of separated fibrous materials, enables separation of large amounts of fibrous materials through a simple separation process, and the apparatus and method have other various advantages inferred from the spirit of the invention. Therefore, the apparatus and method may significantly increase yield. | 06-19-2014 |
20140168645 | QUANTITATIVE ANALYSIS METHOD FOR MEASURING TARGET ELEMENT IN SPECIMEN USING LASER-INDUCED PLASMA SPECTRUM - Disclosed herein is a quantitative analysis method for measuring a target element in a specimen using laser-induced plasma spectrum. More particularly, the present invention relates to a method for analyzing a composition ratio of a target element by calculating peak intensities when peaks overlap each other in a spectrum, and a method for selecting a peak of a wavelength at which the highest precision and reproducibility are secured through linearity of a correlation plot of the peak intensities and a value by dividing a standard deviation value of calibration curve data (peak intensity ratios) by a slope when an internal standard method is used for quantitative analysis of a target element. | 06-19-2014 |
20140163414 | INSERTABLE PROBE FOR DIAGNOSIS OF LESIONAL TISSUE IN REAL TIME AND METHOD OF MANUFACTURING ELECTRODE THEREOF - Disclosed herein is an insertable probe for diagnosis of lesional tissue in real time. The insertable probe includes a guide needle inserted into the human body and having a hollow shape of a predetermined length, a storage connected to the guide needle, a tissue collection portion collecting a predetermined amount of tissue in the human body and moving the collected tissue to the storage through the guide needle, and an inspection unit inspecting the tissue stored in the storage. A method of manufacturing an electrode using the same is also disclosed. | 06-12-2014 |
20140144480 | STRETCHABLE SUBSTRATE, STRETCHABLE PHOTOVOLTAIC APPARATUS, AND STRETCHABLE DEVICE - A stretchable photovoltaic apparatus according to the present invention includes: a stretchable substrate including islands protruded from a base such that the islands are separated by a trench, and a notch formed in an edge of each of the islands; a photovoltaic cell mounted on the stretchable substrate; and an interconnector of which at least a portion is positioned inside the notch, the interconnector electrically connecting the neighboring photovoltaic cells in one pair. According to the present invention, a semiconductor device may be configured in the form of a stretchable array. Therefore, the present invention is expected to be applied to various industrial fields such as a solar cell field, a display field, a semiconductor device field, a medical field, a clothing field, a measurement field, and a filming field. | 05-29-2014 |
20140142263 | DIRECT CH ARYLATION METHOD USING PALLADIUM-BASED CATALYST - Disclosed herein is a first example of effective direct position specific C—H arylation of thieno[3,4-b]pyrazine derivative and several hetero aryl bromide under the ‘Heck-type’ experiment condition using Pd(OAc) | 05-22-2014 |
20140142250 | SUPRAMOLECULAR STRUCTURE HAVING SUB-NANO SCALE ORDERING - An organic crystalline composition is provided. The organic crystalline composition includes a main material having π-conjugated back bone and a functional group containing an atom having an unshared electron pair, and a linking material combining with the adjacent main material at the functional group by quaternization, organic material-metal interaction, ionic bonding, or hydrogen bonding. | 05-22-2014 |
20140127827 | METHOD FOR DETECTION OF ANTIGEN USING FLUORESCENCE RESONANCE ENERGY TRANSFER IMMUNOASSAY - Disclosed herein is a method for detecting an antigen. The method includes: reacting an antigen as an analyte having an absorption wavelength at 300 nm to 400 nm with an antibody to form an antigen-antibody conjugate; irradiating light to the antigen-antibody conjugate to induce fluorescence resonance energy transfer, thereby obtaining a fluorescence spectrum; and determining the presence of the antigen as the analyte by analyzing the fluorescence spectrum, and then measuring the concentration of the antigen. The method is capable of directly detecting various antigens in a homogeneous liquid state, which induces no competitive reaction, with high sensitivity and high selectivity through fluorescent resonance energy transfer, without any modification. | 05-08-2014 |
20140116493 | SOLAR CELL MODULE AND METHOD FOR MANUFACTURING SAME - Disclosed herein are a solar cell module and a manufacturing method thereof. In the solar cell module according to the present invention, disposition structure of charge transport layers of individual cells configuring the solar cell is different, but the charge transport layers are disposed so as to be alternated with neighboring cells and the individual cells are connected in series to each other using an electrode as a connecting part between cells, such that a current may be decreased and a voltage may be increased, and an additional space for connecting the individual cells in series to each other is not required, such that high photovoltaic conversion efficiency and low power loss may be obtained at the same time. | 05-01-2014 |
20140110689 | SEMI-FLUOROALKYL GROUP SUBSTITUTED ORGANIC SEMICONDUCTOR POLYMER AND ORGANIC THIN FILM TRANSISTOR INCLUDING THE SAME - A semi-fluoroalkyl group substituted organic semiconductor polymer and an organic thin film transistor including the same are disclosed. A structure in which hydrogen of only a terminal of an alkyl group is substituted with fluorine exhibits significantly increased hole mobility, and significantly improved properties in terms of thermal stability and chemical stability, as compared to a structure in which all hydrogens coupled to a thiophene ring are substituted with fluorine, or a structure in which hydrogen of the terminal thereof is not substituted with fluorine and only hydrogens of the remaining portion are coupled to the thiophene ring. | 04-24-2014 |
20140063595 | ELECTROMAGNETIC WAVE ABSORBER AND METHOD OF FABRICATING THE SAME - Provided are an electromagnetic wave absorber having a multi-layered structure absorbing an electromagnetic wave, particularly, a terahertz wave, and a method of fabricating the electromagnetic wave absorber. The electromagnetic wave absorber includes a substrate having a predetermined refractive index for an electromagnetic wave, and a plurality of glass spheres arrayed into at least one layer on an upper part of the substrate. | 03-06-2014 |
20140056391 | ORTHOTOPE SPHERE DECODING METHOD AND APPARATUS FOR SIGNAL RECONSTRUCTION IN MULTI-INPUT MULTI-OUTPUT ANTENNA SYSTEM - An orthotope sphere decoding method of a multiple antenna system is disclosed. The method includes performing tree search using a depth-first method by performing an OC-test on the nodes on which the tree search of orthotope sphere decoding will be performed and performing an SC-test on nodes passing the OC-test; and selecting a transmission symbol having a smallest PED value as a final signal as a result of the search. | 02-27-2014 |
20140056389 | ORTHOTOPE SPHERE DECODING METHOD AND APPARATUS FOR SIGNAL RECONSTRUCTION IN THE MULTI-INPUT MULTI-OUTPUT ANTENNA SYSTEM - The present disclosure provides an orthotope sphere decoding method of a multiple antenna system. The method includes: tree mapping a node having highest pruning potential that can be predicted at a root of a tree of orthotope sphere decoding to a root level of the tree, among nodes to be mapped to the tree; and performing tree search of the orthotope sphere decoding on the nodes mapped to the tree. | 02-27-2014 |
20140049811 | PULSE LASER DEVICE AND BURST MODE USING SAME, AND METHOD FOR CONTROLLING A VARIABLE BURST MODE - The present invention relates to a pulse laser device, and more particularly, to a pulse laser device which can be operated in a burst mode, in which the output of a low-output laser generator is adjusted so as to enable the uniform control of the profile of the peak output of a final output optical pulse train, and in a variable burst mode, in which the profile of the final output optical pulse train can be controlled into an arbitrary waveform. | 02-20-2014 |
20140039079 | POROUS POLYMER MEMBRANE WITH COVALENT NETWORK STRUCTURE AND PRODUCTION METHOD THEREOF - The present disclosure provides a porous polymer membrane having a covalent network structure and a method for producing the same. The method includes: polymerizing a first monomer having four first functional groups oriented in a tetrahedral arrangement with a second monomer having at least two second functional groups to prepare porous organic framework nanoparticles; mixing the solution of the porous organic framework nanoparticles with a polymer; and applying the mixed solution to a substrate, followed by heating to form a polymer matrix containing the nanoparticles. According to the method, a polymer membrane with excellent chemical stability, heat resistance, durability and permeability can be produced through simple processes. Advantageously, the porous structure of the polymer membrane can be easily modified depending on intended applications of the polymer membrane. | 02-06-2014 |
20140037261 | OPTICAL FIBER FOR CHEMICAL SENSOR - An optical fiber for an optical fiber sensor and a chemical sensor using the same are disclosed. The optical fiber includes a core area, and a suspended cladding area formed around the core area and having at least one cladding hole. The core area has at least one core hole for reducing an effective refractive index of the core area. The optical fiber and the chemical sensor using the same may have improved measurement sensitivity by increasing an evanescent field fraction of existing suspended core fibers. | 02-06-2014 |
20140034881 | CARBON NANOTUBE-RADICAL POLYMER COMPOSITE AND PRODUCTION METHOD THEREFOR - The present invention relates to a carbon nanotube-radical polymer composite and to a production method therefor, and relates to a polymer composite comprising carbon nanotubes and a radical polymer; being a carbon nanotube-radical polymer composite that has outstanding electrical conductivity and transparency and can be used in permeable batteries or flexible batteries, and also relates to a production method therefor. | 02-06-2014 |
20140034811 | OPTOELECTRONIC SHUTTER, METHOD OF OPERATING THE SAME AND OPTICAL APPARATUS INCLUDING THE OPTOELECTRONIC SHUTTER - An optoelectronic shutter, a method of operating the same, and an optical apparatus including the optoelectronic shutter are provided. The optoelectronic shutter includes a phototransistor which generates an output signal from incident input light and a light emitting diode serially connected to the phototransistor. The light emitting diode outputs output light according to the output signal, and the output signal is gain-modulated according to a modulation of a current gain of the phototransistor. | 02-06-2014 |
20140031758 | SYRINGE CAPABLE OF MEASURING TEMPERATURE OF A PATIENT BODY AND METHOD OF MANUFACTURING THE SAME - Disclosed are a syringe capable of measuring an inner temperature of a patient body and a method of manufacturing the same. In the syringe, a different metal from that of a syringe needle is deposited on an inclined surface of a tip portion of the syringe needle to form a thermocouple junction with the metal of the syringe needle, whereby the region causing pain in a patient body can be diagnosed while allowing administration of medicine thereto, thereby enabling efficient treatment and significantly reducing potential harm due to drug abuse. | 01-30-2014 |
20140022548 | METHOD AND APPARATUS FOR PROCESSING OPTICAL SIGNAL OF SPECTROMETER USING SPARSE NATURE OF SIGNALS - An apparatus for processing an optical signal of a spectrometer using sparse nature of a signal spectrum is provided including an optical filter array configured to filter an incident light, an optical sensor array configured to convert the filtered light into charges and a digital signal processing unit configured to perform a digital signal processing on an output from the optical sensor array on the basis of an L1 norm minimization algorithm using sparse nature of a signal spectrum and recover spectrum information of the incident light. | 01-23-2014 |
20140008622 | HOLE TRANSPORT POLYMERIC COMPOUND AND POLYMER LIGHT EMITTING DIODE USING THE SAME - A hole transport polymeric compound and a polymer light emitting diode using the same. The hole transport polymeric compound includes a hole transport material, a thermal cross-linking agent containing an ethynyl group, and a compound represented by [Formula 1], and can be applied to a polymer light emitting diode. In addition, the hole transport polymeric compound has excellent hole transport capabilities and has stability in solvents so as to be insoluble in a solvent used upon stacking other organic layers and blocking electrons well. | 01-09-2014 |
20140001379 | TERAHERTZ WAVE MODULATOR BASED ON HOLE-INJECTION AND -TRANSFER | 01-02-2014 |
20130345130 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING HEART FAILURE AND METHOD FOR SCREENING AGENT FOR PREVENTING OR TREATING HEART FAILURE - The present invention relates to a pharmaceutical composition for preventing or treating a heart failure and a method for screening a therapeutic agent for preventing or treating a heart failure. The pharmaceutical composition of the present disclosure comprises the CCN5 or CCN2ΔCT protein, or a genetic carrier comprising a nucleotide sequence encoding the CCN5 or the CCN2ΔCT protein, exhibiting dramatic prevention or treatment efficacies on a heart failure even without surgical treatments accompanied with transplanting a donor heart. | 12-26-2013 |
20130312529 | METHOD AND SYSTEM FOR THREE-DIMENSIONAL VIBRATION MEASUREMENT USING VIBROMETER - Disclosed herein are a system and method for three-dimensional vibration measurement. The method includes measuring vibration components and shape information at a vibration measurement point of a measurement target by sequentially emitting laser beams to the vibration measurement point of the measurement target at each of three measuring positions for measuring vibration of the measurement target; obtaining transformation matrices between first to third coordinate systems with respect to each of the measuring positions and a local coordinate system with respect to the vibration measurement point of the measurement target, based on the shape information; measuring angles between unit vectors of respective axes of the local coordinate system and direction vectors of the laser beams emitted with reference to the first to third coordinate systems upon measuring the vibration components; and measuring three-dimensional vibration of the measurement target based on the vibration components and the angles. | 11-28-2013 |
20130300509 | FREQUENCY TUNING APPARATUS, OPERATING METHOD THEREOF, AND RF CIRCUIT INCLUDING THE FREQUENCY TUNING APPARATUS - A frequency tuning apparatus may include an oscillator and a memory element connected to the oscillator. The memory element may have a variable resistance. An oscillation frequency of the oscillator may vary according to a resistance state of the memory element. The oscillator may be a ring oscillator. The memory element may be connected to an input terminal or a power terminal of the oscillator. | 11-14-2013 |
20130287355 | OPTICAL FIBER HAVING A CLADDING LAYER DOPED WITH METAL NANO-PARTICLES, CORELESS OPTICAL FIBER, AND METHOD FOR MANUFACTURING SAME - The present invention relates to an optical fiber for an SPR sensor, characterized in that the optical fiber is comprised of a core layer and a cladding layer surrounding the core layer, and the cladding layer is doped with metal nanoparticles. | 10-31-2013 |
20130285012 | LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - The present disclosure provides a light emitting diode and a method of manufacturing the same. The light emitting diode includes a graphene layer on a second conductive semiconductor layer and a plurality of metal nanoparticles formed on some region of the graphene layer, whereby adhesion between the second conductive semiconductor layer comprised of an inorganic material and the graphene layer is enhanced, thereby securing stability and reliability of the light emitting diode. In addition, the light emitting diode allows uniform spreading of electric current, thereby allowing stable emission of light through a surface area of the light emitting diode. The method of manufacturing a light emitting diode includes forming a graphene layer on a second conductive semiconductor layer, forming a mask film on the graphene layer, forming a metal layer within the patterns of the mask film, followed by removing the mask film; and heat treating the metal layer to form a plurality of metal nanoparticles, whereby the metal nanoparticles having a high index of refraction are formed on some region of the graphene layer and provide surface texturing effects, thereby improving light emission efficiency. | 10-31-2013 |
20130277308 | Water Treatment System and Method for Continuous Forward Osmosis Process Using Osmotically Active Compound with Phase Transition - Provided are a water treatment system and method for continuous forward osmosis process using OAC with phase transition, where the OAC with easy phase changes is applied and thereby separation and recovery processes of the draw solution may be performed through continuous processes of a forward osmosis type, and a method thereof. In the water treatment system and method for continuous forward osmosis process using OAC with phase transition according to the exemplary embodiments of the present invention, the OAC with easy phase changes is applied so that separation and recovery processes of the draw solution can be performed through continuous processes of a forward osmosis type, thereby making it possible to produce drinking water. The water treatment process where the OAC with easy phase changes is applied can be used in all water treatment processes of waste water or groundwater, as well as seawater desalination. | 10-24-2013 |
20130274237 | COMPOSITION INCLUDING CHLOROPHYLL A AS AN ACTIVE INGREDIENT FOR PREVENTING AND TREATING TH2-MEDIATED IMMUNOLOGICAL DISEASES - The present invention relates to a composition including chlorophyll a as an active ingredient for preventing and treating Th2-mediated immunological diseases. The composition of the present invention is very effective for preventing and treating atopic dermatitis which is one of the Th2-mediated immunological diseases. Chlorophyll a is a natural ingredient used to treat atopic dermatitis and is advantageous in that it causes absolutely no side effects in humans. Further, the composition of the present invention may be applied as a medical composition including chlorophyll a, which has preventive and therapeutic effects for atopic dermatitis, as a food composition, as a cosmetic composition, and for various other products using chlorophyll a, and has excellent marketability. | 10-17-2013 |
20130270509 | RESISTANCE CHANGE MEMORY DEVICE HAVING THRESHOLD SWITCHING AND MEMORY SWITCHING CHARACTERISTICS, METHOD OF FABRICATING THE SAME, AND RESISTANCE CHANGE MEMORY DEVICE INCLUDING THE SAME - Disclosed are a resistance change memory device, a method of fabricating the same, and a resistance change memory array including the same. The resistance change memory device includes a first electrode and a second electrode. A hybrid switching layer is interposed between the first electrode and the second electrode. The hybrid switching layer is a metal oxide layer having both threshold switching characteristics and memory switching characteristics. | 10-17-2013 |
20130266854 | ELECTRODE FOR Li SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME AND Li SECONDARY BATTERY - An electrode for a lithium secondary battery is provided. A metal nanofiber has a network structure. A metal thin film or a metal oxide thin film includes the metal nanofiber. According to the electrode improves a charge migration performance. | 10-10-2013 |
20130266321 | SENSING APPARATUS - A sensing apparatus includes: a broadband optical source; a first pseudorandom number generator generating a first pseudorandom number code string to modulate the broadband optical source; at least one sensor reflecting an output of the first pseudorandom number generator at a wavelength corresponding to a center wavelength thereof when the output of the first pseudorandom number generator is inputted; a wavelength-time converter converting an output of the sensor by wavelength-time conversion; a second pseudorandom number generator generating a second pseudorandom number code string which is different in frequency from and is the same in bit length and code string as the first pseudorandom number code string; a mixer mixing an output signal of the wavelength-time converter with an output signal of the second pseudorandom number generator; and an integrator integrating an output of the mixer. | 10-10-2013 |
20130264534 | SELECTION DEVICE AND NONVOLATILE MEMORY CELL INCLUDING THE SAME AND METHOD OF FABRICATING THE SAME - A selection device, non-volatile memory cell, and method of fabricating the same. The selection device employs an oxide laminate structure including a tunneling oxide layer and a metal-cluster oxide layer between first and second electrodes, enabling a high selection ratio and sufficient on-current density to allow program data recordation in a memory cell at relatively low voltage. The non-volatile memory cell includes the selection device electrically connected to a resistive random access memory device, including a resistance change layer, enabling suppression of current leakage from a non-selected adjacent memory cell in an array structure. In the method of fabrication, a tunneling oxide layer is formed by depositing and oxidizing a metal layer to control oxygen vacancy density in the metal-cluster oxide layer, and an interface oxide layer is formed in the tunneling oxide layer by doping of metal-clusters in the metal-cluster oxide layer, improving on-current density of the selection device. | 10-10-2013 |
20130263924 | Organic Solar Cell Comprising Self-Assembled Organic/Inorganic Nanocomposite in Photoactive Layer, and Method for Preparing the Same. - The present invention relates to an organic solar cell having an enhanced light efficiency by using an organic/inorganic nanocomposite in which a metal nanorod and an electron acceptor are self-assembled, in a photoactive layer, and a method of preparing the same. According to the present invention, since the metal nanorod and the electron acceptor are self-assembled, separated electrons are easily transported, and since electron transport via a metal is easier than that via an organic material, the electron transport speed via the metal nanorod of the present invention is faster than that via a related art organic material. Therefore, the organic solar cells of the present invention can increase the charge mobility within the photoactive layer to enhance the photoconversion efficiency. | 10-10-2013 |
20130262129 | METHOD AND APPARATUS FOR AUDIO ENCODING FOR NOISE REDUCTION - A method and apparatus for audio signal encoding for noise reduction are provided. The method includes: receiving an audio signal and performing modified discrete cosine transformation (MDCT) on the audio signal to convert the audio signal into a long block or a short block; reducing noise included in the audio signal in accordance with the long block or the short block; and performing advanced audio coding (AAC) on the long block or the short block in which noise is reduced. | 10-03-2013 |
20130262122 | SPEECH RECEIVING APPARATUS, AND SPEECH RECEIVING METHOD - Disclosed is a speech receiving apparatus. A low-band PLC module and a synthesis filter reconstructs a low-band speech signal of a lost frame from a previous good frame. A high-band PLC module reconstructs a high-band speech signal of the lost frame from the previous good frame. A transforming part transforms the low-band speech signal into a frequency range. A bandwidth extending part generates at least an extended MDCT coefficient as information for the high-band speech signal from the low-band speech signal transformed by the transforming part. A smoothing part smoothes the extended MDCT coefficient. An inverse transforming part inversely transforms the extended MDCT coefficient smoothed by the smoothing part to a time domain. A synthesizing part synthesizes the low-band speech signal, and the high-band speech signal which is inverse-transformed by the inverse transforming part and reconstructed, to output a wideband speech signal. | 10-03-2013 |
20130262098 | VOICE ANALYSIS APPARATUS, VOICE SYNTHESIS APPARATUS, VOICE ANALYSIS SYNTHESIS SYSTEM - A speech analysis apparatus is provided. An F0 extraction part extracts a pitch value from speech information. A spectrum extraction part extracts spectrum information from the speech information. An MVF extraction part extract a maximum voiced frequency and allows boundary information for respectively filtering a harmonic component and a non-harmonic component to be obtained. According to the speech analysis apparatus, speech synthesis apparatus, and speech analysis synthesis system of the present invention, speech that is closer to the original voice and is more natural may be synthesized. Also, speech may be represented with less data capacity. | 10-03-2013 |
20130256654 | Method of Forming P-Type ZnO Film - Disclosed herein is a method of forming a p-type zinc oxide thin film. A zinc oxide layer and an antimony oxide layer are alternately stacked one above another on a substrate, forming a superlattice layer. The superlattice layer is modified into a p-type zinc oxide thin film by annealing. Upon annealing, zinc atoms of the zinc oxide layer are diffused into the antimony oxide layer and antimony atoms of the antimony oxide layer are diffused into the zinc oxide layer. | 10-03-2013 |
20130243959 | METHOD FOR MANUFACTURING A GOLD CORE/INSULATOR SHELL NANOSTRUCTURE USING A NOVEL PEPTIDE - The present invention relates to a method for manufacturing a gold core/insulator shell nanostructure and a novel peptide used in the method. The method of the present invention is a biomimetic synthetic method using a silica-polymerizing peptide having a high affinity onto the surface of gold. The gold core/insulator shell nanostructure may be very effectively and environmentally friendly manner | 09-19-2013 |
20130242043 | DEPTH VIDEO FILTERING METHOD AND APPARATUS - An image synthesizing method according to the present invention includes generating a depth image in a current picture by searching depth information using a plurality of color images obtained at different view points, performing filtering on the depth image using a 3-dimensional (3D) joint bilateral filter, and generating a synthesized image using the plurality of color images and the filtered depth image, wherein the 3D joint bilateral filter performs filtering on the generated depth image using color image information for at least one of previous pictures, the current picture, and subsequent pictures, and the color image information includes information on a boundary of an object in the color images and color information of the color images. According to the present invention, image processing performance may be enhanced. | 09-19-2013 |
20130236531 | PHARMACEUTICAL COMPOSITION INCLUDING AN HIF-2 ALPHA INHIBITOR AS AN ACTIVE INGREDIENT FOR PREVENTING OR TREATING ARTHRITIS - The present invention relates to a pharmaceutical composition for preventing or treating arthritis, including, as an active ingredient, a material which inhibits the expression of the hypoxia-inducible factor-2α (HIF-2α) gene or the activity of the HIF-2α protein. According to the present invention, the HIF-2α of the present invention increases the expression thereof in chondrocytes or tissue in which osteoarthritis is induced, and triggers the expression of various cartilage degeneration factors and the activation of mitogen-activated protein (MAP) kinase. In addition, when HIF-2α is inhibited, the expression level of cartilage degeneration factors and the phosphorylation of MAP kinase are significantly reduced by the inhibited degree of HIF-2α. Thus, the composition of the present invention may be applied to the prevention or treatment of arthritis, and may be used for the development of therapeutics for arthritis. | 09-12-2013 |
20130215494 | BURST OSCILLATION METHOD IN LASER SYSTEM AND APPARATUS FOR SAME - Disclosed is a burst mode oscillation method for burst mode oscillation by controlling the peak output of light pulses in a laser system. The burst mode oscillation apparatus includes a seed beam generator which receives electrical input signals having different pulse widths, modulates pulse widths and amplitudes of outputs in output light according to the received electrical input signals, and outputs the modulated pulse light, an amplifier which amplifies the modulated pulse light and outputs amplified pulse light, and a non-linear wavelength converter which can control wavelength-converted output light according to the amplitudes of the peak output changed through the pulse widths of the amplified pulse light. | 08-22-2013 |
20130210756 | PHEOPHORBIDE-alpha CONJUGATES AND THEIR USES - The present invention relates to a pheophorbide-α conjugate or its salt, solvate or hydrate. The pheophorbide-α conjugate of the present invention exhibiting fluorescence upon its introduction into cells and degradation inhibits the survival of various cancer cells. Especially, the conjugate of pheophorbide-α and doxorubicin shows higher fluorescence intensity at lower pH (cancer environment). Therefore, the present composition for photodynamic therapy (PDT) of cancers is also very useful in detecting cancers. Interestingly, the anticancer effects of the present composition are dually exerted with help of both the photosensitizer and the anticancer drug of the present conjugates. | 08-15-2013 |
20130208266 | MICROREFRACTOMETER USING DEFOCUSING IMAGING - The present invention relates to a microrefractometer using defocusing imaging. The refractometer includes: a target in which a target micrometer and a reference fluid, an index of refraction of which is known, are positioned; an objective lens receiving light that has been emitted from a light source and passed through the target; an aperture including a plurality of pin holes which divide an optical path of the light having passed through the objective lens; and a camera photographing defocused images formed on an image plane of the refractometer by the light having passed through the aperture. | 08-15-2013 |
20130175500 | TRANSMISSIVE IMAGE MODULATOR INCLUDING STACKED DIODE STRUCTURE HAVING MULTI ABSORPTION MODES - A transmissive light modulator including a first reflection layer; a first active layer, arranged on the first reflection layer and including a plurality of quantum well layers and a plurality of barrier layers; a second reflection layer arranged on the first active layer; a second active layer, arranged on the second reflection layer and including a plurality of quantum well layers and a plurality of barrier layers; and a third reflection layer arranged on the second active layer, wherein the first reflection layer and the third reflection layer are each doped with a first type dopant, and the second reflection layer is doped with a second type dopant, which is electrically opposite to the first type dopant. | 07-11-2013 |
20130171337 | METHOD FOR FABRICATING TRANSFER PRINTING SUBSTRATE USING CONCAVE-CONVEX STRUCTURE, TRANSFER PRINTING SUBSTRATE FABRICATED THEREBY AND APPLICATION THEREOF - A method for fabricating a substrate for transfer printing using a concave-convex structure and a substrate for transfer printing fabricated thereby. The method includes preparing a handling substrate having a concave-convex structure formed thereon; forming a sacrificial layer along the concave-convex structure on the handling substrate; coating a polymer on the handling substrate having the sacrificial layer formed thereon to form a polymer substrate having bumps filling a concave portion of the concave-convex structure; and removing the sacrificial layer from the handling substrate. The substrate includes a handling substrate having a concave-convex structure formed thereon; and a polymer substrate placed on the concave-convex structure and having bumps filling a concave portion of the concave-convex structure of the handling substrate. This process of manufacturing provides a device to be stably performed on an ultrathin substrate and may secure high degree of alignment and high transfer yield in a transfer printing process. | 07-04-2013 |
20130170761 | APPARATUS AND METHOD FOR ENCODING DEPTH IMAGE BY SKIPPING DISCRETE COSINE TRANSFORM (DCT), AND APPARATUS AND METHOD FOR DECODING DEPTH IMAGE BY SKIPPING DCT - An apparatus and method for encoding an image by skipping discrete cosine transform (DCT), and an apparatus and method for decoding an image by skipping the DCT. An image encoding apparatus may classify residual data into groups, and may encode the residual data using a representative value of each of the groups and group identification information that is used to identify the groups. | 07-04-2013 |
20130170011 | TRANSMISSIVE IMAGE MODULATOR USING MULTI-FABRY-PEROT RESONANT MODE AND MULTI-ABSORPTION MODE - A transmissive image modulator for allowing image modulation over a wide bandwidth with multiple Fabry-Perot resonant modes and multiple absorption modes is provided. The transmissive image modulator includes a lower reflection layer; an active layer disposed on the lower reflection layer, including multiple quantum well layers and multiple barrier layers; an upper reflection layer disposed on the active layer; and at least one micro-cavity layer disposed in at least one of the lower and upper reflection layer. The active layer and the at least one micro-cavity layer have thicknesses of a multiple of λ/2, where λ is a resonant wavelength. | 07-04-2013 |
20130164537 | METHOD FOR MODIFYING SURFACE OF HYDROPHOBIC POLYMER FILM AND SURFACE-MODIFIED HYDROPHOBIC POLYMER FILM - A method for modifying a surface of a hydrophobic polymer film and surface-modified hydrophobic polymer film are disclosed. The method includes placing a hydrophobic polymer film in a reactor for atmospheric pressure plasma polymerization; supplying a first reaction gas into the reactor to form a physical barrier layer on the hydrophobic polymer film via plasma deposition; and supplying a second reaction gas into the reactor to form a hydrophilic coating layer on the physical barrier layer via plasma deposition. The method enables operation and maintenance of apparatuses and equipment at low cost, and providing efficiency in treatment of large films. Further, the surface-modified hydrophobic polymer film includes a double layer including a physical barrier layer and a hydrophilic coating layer on a polymer film to prevent diffusion of hydrophobic polymer molecules, thereby providing improved surface wettability to the film surface and maintaining hydrophilicity of the film for a long time. | 06-27-2013 |
20130158698 | FABRICATION SYSTEM OF CIGS THIN FILM SOLAR CELL EQUIPPED WITH REAL-TIME ANALYSIS FACILITIES FOR PROFILING THE ELEMENTAL COMPONENTS OF CIGS THIN FILM USING LASER-INDUCED BREAKDOWN SPECTROSCOPY - The present invention relatives to a fabrication processing system of CIGS thin film solar cell, more particularly to a fabrication processing system CIGS of thin film solar cell equipped with real-time analysis facilities for profiling the elemental components of CIGS thin film using laser-induced breakdown spectroscopy. | 06-20-2013 |
20130155404 | SYSTEM FOR REAL-TIME ANALYSIS OF MATERIAL DISTRIBUTION IN CIGS THIN FILM USING LASER-INDUCED BREAKDOWN SPECTROSCOPY - The present invention relates to a process control system which can measure the physical properties of a CIGS thin film in real-time in a continuous production line of a CIGS thin film solar cell, more specifically to a system for real-time analysis of material distribution of a CIGS thin film comprising: a header, which comprises a laser irradiation unit producing plasma from the CIGS thin film by irradiating a laser beam to a part of the CIGS thin film; and a spectrum detection optical unit detecting a spectrum generated from the plasma; a transfer unit, which transfers the header at the same rate and to the direction with the transfer rate and direction of the CIGS thin film; and a spectrum analysis unit, which analyzes the spectrum detected by the spectrum detection optical unit. | 06-20-2013 |
20130153552 | SCRIBING APPARATUS AND METHOD FOR HAVING ANALYSIS FUNCTION OF MATERIAL DISTRIBUTION - A scribing apparatus having a function to analyze distribution of a material forming a semiconductor or solar cell in real-time in a process producing the semiconductor or solar cell of is disclosed. The scribing apparatus having the analysis function of material distribution comprises: a laser irradiation unit, which conducts scribing by irradiating laser to a position to be scribed of an analysis subject; a spectrum detection optical unit, which detects a spectrum generated from plasma, which is produced by the irradiated laser; a spectrum information storage, which stores spectrum state information of each material forming the analysis subject; and a spectrum analysis unit, which analyzes distribution state information of the material by comparing the spectrum state information and the detected spectrum. | 06-20-2013 |
20130151255 | METHOD AND DEVICE FOR EXTENDING BANDWIDTH OF SPEECH SIGNAL - A method for extending a bandwidth of a speech signal received, according to an embodiment of the present invention, includes: transforming the received speech signal into a frequency domain by decoding the received speech signal; normalizing the transformed speech signal; differentiating a voiced sound period or unvoiced sound period from the received speech signal; extracting, from the normalized speech signal, a first period including a harmonic component of the voiced sound period on the basis of the voiced sound period; extracting, from the normalized speech signal, a second period on the basis of correlation between the unvoiced sound period and the normalized speech signal; generating a high-band speech signal on the basis of the first period and the second period; and synthesizing the generated high-band speech signal and the transformed speech signal to output a wideband speech signal. | 06-13-2013 |
20130135060 | ANTENNA TUNER AND METHOD FOR ADJUSTING ANTENNA IMPEDANCE - Disclosed are an antenna tuner and a method for adjusting antenna impedance. The antenna tuner includes a reference impedance resistor, a first coupler having an isolated port connected to one end of the reference impedance resistor, a second coupler having an input port connected to an output port of the first coupler and an output port connected to the antenna, and an impedance adjusting device group connected to the second coupler to adjust impedance of the antenna. An impedance controller generates an impedance adjustment control signal according to a first voltage applied to a coupled port of the first coupler, and a second voltage applied to a coupled port of the second coupler to provide the impedance adjustment control signal to the impedance adjusting device group. | 05-30-2013 |
20130130332 | NOVEL METHOD FOR PREPARING PTEROCARPAN - The present invention relates to a novel method for preparing pterocarpan from isoflavan-4-ol. | 05-23-2013 |
20130129592 | YTTRIUM HYDROXYCARBONATE MODIFIED WITH HETEROGENEOUS METAL, METHOD OF PREPARING THE SAME, AND ADSORBENT AND FILTER DEVICE INCLUDING THE SAME - Example embodiments relate to a yttrium hydroxycarbonate modified with a heterogeneous metal, a method of preparing the same, an adsorbent for a heavy metal including the same, and a filter device including the same. The modified yttrium hydroxycarbonate may have a pore size distribution with a pore diameter peak of less than or equal to 10 nm. | 05-23-2013 |
20130128362 | MICRO/NANO COMBINED STRUCTURE, MANUFACTURING METHOD OF MICRO/NANO COMBINED STRUCTURE, AND MANUFACTURING METHOD OF AN OPTICAL DEVICE HAVING A MICRO/NANO COMBINED STRUCTURE INTEGRATED THEREWITH - A micro/nano combined structure, a manufacturing method of a micro/nano combined structure, and a manufacturing method of an optical device having a micro/nano combined structure integrated therewith, the method comprising: forming a micro structure on a substrate; depositing a metal thin film on the substrate on which the micro structure is formed; heat treating and transforming the metal thin film into metal particles; and using the metal particles as a mask to form a non-reflective nanostructure having a frequency below that of light wavelengths and a sharp wedge-shaped end, on the top surface of the substrate on which the micro structure is formed, and etching the front surface of the substrate on which the micro structure is formed. The manufacturing process is simple, light reflectivity that occurs wherein a difference in refractive indices of air and semiconductor material can be minimized, and is easily applied to the optical device field. | 05-23-2013 |
20130126754 | METHOD FOR MEASURING BIOLOGICAL CONTAMINATION OF SEA WATER DESALINATION FACILITY AND SYSTEM THEREOF - The present invention relates to a method for measuring degree of biological contamination in a sea water desalination facility, and is characterized by comprising the following steps of: a) collecting any one selected from a group consisting of raw sea water flowing into the sea water desalination facility, pre-treated water prepared by pre-treating the raw sea water, product water (permeate) produced after the pre-treated water goes through a desalination process and brine; and b) measuring wavelength and strength of a natural phosphor, which is contained in the raw sea water, pre-treated water, product water (permeate) or brine, using a fluorescence spectrophotometer. | 05-23-2013 |
20130123466 | SIMULTANEOUS SYNTHESIS OF TEMPERATURE-TUNABLE PEPTIDE AND GOLD NANOPARTICLE HYBRID SPHERES - The present invention relates to a novel synthesis of peptide-gold nanoparticle hybrid spheres comprising a step of forming a hybrid structure by inducing self-assembly of a gold-binding peptide, and forming a gold nanoparticle in the structure at the same time. According to the present invention, size of the structure can be controlled according to temperature, and it can be used for various biomedical and electronic applications using the structure. | 05-16-2013 |
20130115642 | METHOD FOR SCREENING DIABETES TREATING AGENT - The present invention provides a method for screening a diabetes treating agent comprising the following steps: (a) preparing cells inside a culture medium; (b) treating the culture medium with a test substance; (c) treating the result of step (b) with a glucose derivative which is not metabolized; and (d) measuring the glucose derivative which has flowed into the cells, wherein the test substance is determined to be a diabetes treating agent if the test substance accelerates uptake of the glucose derivative in the cells. Therefore, the described pharmaceutical composition, including a triazin-based compound as an active ingredient, can be useful for application in preventing or treating diabetes. | 05-09-2013 |
20130112544 | METHOD OF MODULATING RELEASE OF BIOMOLECULES HAVING HEPARIN-BINDING AFFINITY - The present invention relates to a method of modulating a release of biomolecules having heparin-binding affinity, and more specifically, to a method of modulating a release of biomolecules having heparin-binding affinity, using thiolated heparin adsorbed on metal surface. According to the present invention, it is possible to modulate various biomolecules having heparin-binding affinity such as growth factors spatiotemporally by external electrical stimulations, without causing cytotoxicity and having deteriorating effects on cell activity. Thus, the present invention can be applied for various biomedical and biotechnical fields including drug delivery, biosensor, and cell culture. | 05-09-2013 |
20130110405 | METHOD AND APPARATUS FOR MEASURING HEMATOCRIT | 05-02-2013 |
20130108613 | AMYLOID-BETA CLEARANCE | 05-02-2013 |
20130102740 | SULFONATED POLY(ARYLENE ETHER) COPOLYMER HAVING A CROSS-LINKABLE STRUCTURE, AND POLYELECTROLYTE MEMBRANE COMPRISING SAME - Provided are a sulfonated poly(arylene ether) copolymer including a crosslinking structure and a polyelectrolyte membrane including the same. Particularly, a sulfonated poly(arylene ether) copolymer including a crosslinking structure in a polymer chain or at the terminal portion of the polymer chain, and a polyelectrolyte membrane including the same are provided. The polyelectrolyte membrane using the sulfonated poly(arylene ether) copolymer including the crosslinking structure, may have the same or better degree of a thermal stability, a mechanical stability, a chemical stability, a membrane forming capability, etc. than a commonly used polyelectrolyte membrane. In addition, the proton conductivity and the cell performance of the polyelectrolyte membrane may be remarkably improved than those of the commonly used polymer electrolyte. Further, the properties of the electrolyte membrane may be rarely changed, and a high measuring stability may be obtainable. The polyelectrolyte membrane may be used in a fuel cell or a secondary battery. | 04-25-2013 |
20130102028 | CARTILAGE-SPECIFIC HIF-2ALPHA TRANSGENIC MOUSE AS AN ANIMAL MODEL FOR ARTHRITIS, AND USE THEREOF - The present invention relates to a transgenic fertilized egg in which expression constructs, excluding human expression constructs, are introduced, including: (a) a nucleotide sequence encoding hypoxia-inducible factor 2α (HIF-2α); and (b) a transcription-regulating sequence which is operatively linked to the nucleotide sequence, as well as to a transgenic animal model for arthritis obtained therefrom. A transgenic mouse transformed with a recombinant expression vector of the present invention may be very useful as a therapeutic model for arthritis, which may be used in studies on the cartilage degeneration process. In addition, the transgenic mouse of the present invention may be applied to a method for screening arthritis therapeutics. | 04-25-2013 |
20130096001 | PREPARATION METHOD FOR GRANULAR CARBON MESOPOROUS STRUCTURE - Disclosed is a preparation method for a granular carbon mesoporous structure. The preparation method includes the steps of preparing a powdered composite of silica-carbon precursor-pore forming agent by using a mixture including a silica precursor, a carbon precursor and a pore forming agent, preparing a molded precursor by mixing the composite with an organic additive, preparing a granular molded article by extruding or injection-molding the molded precursor, calcinating the molded article, and etching silica included in the calcinated molded article. | 04-18-2013 |
20130095025 | GRANULAR MESOPOROUS SILICA AND PREPARATION METHOD THEREOF - Disclosed are granular mesoporous silica and a preparation method thereof. The preparation method includes preparing powdered silica containing a structure derivative to form mesopores; preparing a molded precursor including the powdered silica and an inorganic binder or an organic binder; preparing a granular molded article having a predetermined shape by extruding or injection-molding the molded precursor; and removing the structure derivative by calcinating the granular molded article. The granular mesoporous silica represents superior pore characteristics and is used as an adsorbent capable of effectively removing pollutants in water treatment and air pollution treatment. | 04-18-2013 |
20130088968 | FLOW CONTROL NODE FOR MANAGING THROUGHPUT FAIRNESS OF A PLURALITY OF FLOWS, TRANSMISSION NODE, METHOD FOR CONTROLLING FLOW, AND METHOD FOR CONTROLLING TRANSMISSION RATE - According to one embodiment of the present invention, a multi-hop network system includes: a transmission node; a reception node; a router node; and a flow control node connected to all nodes within the multi-hop network system. The flow control node periodically receives flow monitoring information from at least one transmission node and evaluates whether the distributed state of the bandwidth of a network is fair. At this time, the flow control node sets a queue length threshold as transmission rate control information for fairly distributing the bandwidth of the network and transmits the set queue length threshold to at least one transmission node when unfairness has been detected. The transmission node sets the queue length threshold as a reference point for adjusting the transmission rate and performs the packet and/or link scheduling. | 04-11-2013 |
20130088440 | METHOD AND DEVICE FOR CONTROLLING HAPTIC INTERFACE - The present disclosure provides a method and device for controlling a haptic interface, which can maintain stability and enhance transparency by restricting force caused by unnecessary energy generated in the sample and hold processes while controlling the haptic interface. The method includes detecting a physical parameter based on driving of the haptic interface; calculating a reaction to be sent from a virtual environment to the haptic interface according to the physical parameter; calculating a bounding parameter satisfying a condition that a haptic system is passive, using the physical parameter and the reaction; adjusting the bounding parameter to be within a preset range; calculating force to be output to the haptic interface according to the adjusted bounding parameter; and applying the calculated force to the haptic interface. | 04-11-2013 |
20130088430 | ULTRA THIN LIGHT SCANNING APPARATUS FOR PORTABLE INFORMATION DEVICE - Disclosed is an ultra thin optical scanning device for a portable information device, which includes an LED as a light source and totally reflects light from an object-side surface to form an image, thereby increasing a contrast ratio of the image and improving the resolution thereof. The ultra thin optical scanning device includes a light emitting device that emits light for sensing an object, an object-side surface contacting the object and totally reflecting the light emitted from the light emitting device, an image formation part collecting the light totally reflected by the object-side surface, and transmitting the light, and a light receiver part forming an image by using the light transmitted by the image formation part. | 04-11-2013 |
20130087194 | SILICON MULTILAYER ANTI-REFLECTIVE FILM WITH GRADUALLY VARYING REFRACTIVE INDEX AND MANUFACTURING METHOD THEREFOR, AND SOLAR CELL HAVING SAME AND MANUFACTURING METHOD THEREFOR - The present invention relates to a silicon multilayer anti-reflective film with a gradually varying refractive index and a manufacturing method therefor, and a solar cell having the same and a manufacturing method therefor, wherein: the refractive index of a silicon thin film is adjusted by depositing silicon on a semiconductor or glass substrate with a slight tilt; and an anti-reflective film with a gradually varying refractive index is implemented using a silicon multi-layer film in which multi-layer film are stacked with different tilt angles. In addition, the silicon multilayer anti-reflective film according to the present invention is applied to a silicon solar cell, thereby suppressing reflection in the inside of the solar cell and providing an excellent heat radiation characteristic using a high heat transfer coefficient. | 04-11-2013 |
20130079223 | METHOD FOR PREPARING MESOPOROUS CARBON HAVING IRON OXIDE NANOPARTICLES - Provided is a method of preparing mesoporous carbon including iron oxide nanoparticles. The method of preparing mesoporous carbon including iron oxide nanoparticles according to the present invention includes (1) dispersing and saturating iron oxide nanoparticles on a surface of mesoporous carbon and (2) calcinating the mesoporous carbon. The mesoporous carbon including iron oxide nanoparticles prepared according to the present invention may exhibit very good adsorption of an organic material and may have advantages in economic factors and convenience due to a reduction in reaction time. Therefore, contaminant treatment efficiency may be maximized by applying the mesoporous carbon including iron oxide nanoparticles according to the present invention to an adsorbent for a water treatment. | 03-28-2013 |
20130078750 | FABRICATING METHOD OF NANO STRUCTURE FOR ANTIREFLECTION AND FABRICATING METHOD OF PHOTO DEVICE INTEGRATED WITH ANTIREFLECTION NANO STRUCTURE - A method of fabricating nanostructure for antireflection and a method of fabricating a photo device integrated with the nanostructure for antireflection are provided. The fabrication of the nanostructure for antireflection includes coating a solution containing a combination of metal ions with organic or inorganic ions on a substrate, sintering the coated solution using an annealing process to grow nanoscale metal particles, and chemically etching the substrate using the metal particles as mask or accelerator to form a subwavelength nanostructure on the surface of the substrate, thereby manufacturing the nanostructure for antireflection without an apparatus requiring a vacuum state using a simple method for a short amount of time to minimize reflection of light at an interface between a semiconductor material and the air, and producing a photo device having good luminous efficiency and performance at low cost in large quantities by applying it to the photo device. | 03-28-2013 |
20130074923 | METHOD FOR PRODUCING ZINC-OXIDE NANOSTRUCTURE ELECTRODES, AND METHOD FOR PRODUCING DYE-SENSITIZED SOLAR CELLS USING SAME - Provided are a method of preparing a zinc oxide nanostructure electrode and a method of preparing a dye-sensitized solar cell using the same. According to the present invention, the method of preparing a zinc oxide nanostructure electrode may include sequentially forming a superhydrophobic self-assembled layer and a zinc layer on a carrier substrate having a stamp pattern included therein, disposing the zinc layer on the carrier to face a first substrate and performing a stamp method to form at least one zinc pattern on the first substrate, oxidizing the zinc pattern to form zinc oxide seeds, and growing at least one zinc oxide nanostructure from the zinc oxide seeds by using a hydrothermal synthesis method to form a zinc oxide nanostructure electrode composed of the at least one zinc oxide nanostructure. | 03-28-2013 |
20130068305 | P-DOPED CONJUGATED POLYMER ELECTROLYTE AND AN ORGANIC ELECTRONIC DEVICE USING THE SAME - Disclosed are a p-doped conjugated polymer electrolyte and an organic electronic device using the same. The p-doped conjugated polymer electrolyte according to the present invention not only has an outstanding hole-transport capability but can also act as an electron-blocking layer and hence can be used in organic electronic devices, such as organic light-emitting devices or organic solar cells, in order to improve the light-emitting efficiency of the organic light-emitting device or the energy-conversion efficiency of the organic solar cell. Also, because the charge on the p-doped conjugated polymer electrolyte is almost completely neutral, the present invention can solve the problem of anode corrosion and make a positive contribution to increased life-cycle of the device. | 03-21-2013 |
20130064265 | SENSOR FOR MEASURING AMOUNT OF HEAT GENERATED FROM CELLS USING ZWEIFACH-FUNG EFFECT AND METHOD FOR MANUFACTURING THE SAME - A sensor for measuring heat generated from cells, including a thermopile manufactured by surface-micromachining technology, and a microfluidic flow-channel structure for mixing cells with medium and dividing the mixture into cells and medium. Medium and cells are uniformly mixed using a micro-mixer. The mixture is separated into a medium microfluid and a cell microfluid using the Zweifach-Fung effect, after which signals measured in the two microfluids are amplified. The difference between the two signal values determines the amount of heat generated from the cells. The influence of noise caused by a change in external environment is eliminated. Convection heat dissipation caused by fluid flow is minimized. The sensor accurately measures the amount of heat generated from cells flowing in the microfluidic flow-channel. Diseases such as cancer are diagnosed using the difference between the measured amount of heat generated from cells and the standard amount of heat generated from normal cells. | 03-14-2013 |
20130059232 | CATALYTIC METAL WITH NANOCUP OR NANORING STRUCTURE AND ELECTRODES USING THE SAME - Provided are an electrode including a nanostructure and a method of preparing the same, and more particularly, an electrode including a substrate, and a plurality of metal nanocups or nanorings spaced apart from one another and disposed on the substrate, and openings thereof are aligned above the substrate, and a method of preparing the electrode. An electrode of the present invention includes catalytic metal having a structure of the plurality of nanocups or nanorings and thus, an area, in which a reactant participating in an oxidation or reduction reaction is able to be in contact with catalytic metal, may become wider in comparison to that of a typical electrode having catalytic metal in the shape of a flat thin film. Accordingly, an efficiency of the oxidation or reduction reaction may be improved due to catalytic metal and eventually, a power generation efficiency of a cell may be improved. | 03-07-2013 |
20130054234 | APPARATUS AND METHOD FOR ELIMINATING NOISE - Provided are an apparatus and method for eliminating noise. The method includes: detecting a speech section from a noise speech signal including a noise signal; separating the speech section into a consonant section and a vowel section on the basis of a VOP at the speech section; calculating a transfer function of a filter for eliminating the noise signal to allow the degree of noise elimination to be different in the consonant section and the vowel section; and eliminating the noise signal from the noise speech signal on the basis of the transfer function. | 02-28-2013 |
20130050062 | APPARATUS AND METHOD FOR IMPLEMENTING HAPTIC-BASED NETWORKED VIRTUAL ENVIRONMENT WHICH SUPPORTS HIGH-RESOLUTION TILED DISPLAY - An apparatus and method of implementing haptic-based networked virtual environments supporting high-resolution tiled displays. A haptic rendering process of detecting collision between a user of a haptic-device over a virtual environment and each of at least one virtual object and providing a physical force corresponding to a detection result to the haptic-device is performed, and a graphic rendering process of converting each virtual object represented as 3-D data into an object stream represented as 2-D data such that each virtual object is displayed as a 2-D image, and assigning a priority and a frame rate to each converted object stream according to a preset assignment criterion is performed. A plurality of displays provide a display image, including object streams of the virtual objects and background pixels, so that a virtual environment allowing the user of the haptic-device to visually and tactilely immerse thereto is effectively realized by utilizing limited resources. | 02-28-2013 |
20130040997 | NOVEL PYRIDINE CARBOXYLIC ACID BASED COMPOUND USED AS A P2X1 AND P2X3 RECEPTOR ANTAGONIST, A PRODUCTION METHOD FOR THE SAME AND A COMPOSITION COMPRISING THE SAME - Provided are a novel pyridine carboxylic acid based compound used as a P2X | 02-14-2013 |
20130040070 | METHOD FOR FORMING MICROSTRUCTURE PATTERN BASED ON SOLUTION PROCESS - Disclosed is a method for forming a microstructure pattern based on a solution process. The method includes the steps of forming a photoresist pattern on a hydrophilic substrate; forming a self-assembled monolayer on the hydrophilic substrate formed thereon with the photoresist pattern; forming a self-assembled monolayer pattern by removing the photoresist pattern; coating a dewetting solution on the hydrophilic substrate formed thereon with the self-assembled monolayer pattern such that the dewetting solution is coated only on a hydrophilic surface of the hydrophilic substrate exposed through the self-assembled monolayer pattern by primary dewetting; and drying the dewetting solution coated on the hydrophilic surface of the hydrophilic substrate and allowing the dewetting solution to be hardened after flowing to an edge of the dewetting solution by secondary dewetting such that only a solute of the dewetting solution remains. | 02-14-2013 |
20130036797 | FLUID VISCOSITY MEASURING DEVICE - Disclosed is a fluid viscosity measuring device which can measure the viscosity of a fluid such as blood. The fluid viscosity measuring device of the present invention comprises: a first fluid inlet portion in which a fluid, the viscosity of which is to be measured, is injected, and a second fluid inlet portion in which a reference fluid having a standard viscosity is injected; a connection pipe configured to connect the first fluid inlet portion to the second fluid inlet portion and form a passage for the fluid, the viscosity of which is to be measured, and the reference fluid; a plurality of counting channels in communication with the connection pipe at a predetermined distance to be filled with the two fluids flowing along the passage, respectively; and a boundary surface measuring unit configured to count the counting channels filled with the two fluids, respectively. | 02-14-2013 |
20130036084 | METHOD AND APPARATUS FOR TRANSMITTING SPARSE SIGNAL, AND METHOD AND APPARATUS FOR RECOVERING SPARSE SIGNAL VIA BELIEF PROPAGATION AND BAYESIAN HYPOTHESIS TEST - Disclosed are a method and an apparatus for transmitting a sparse signal, and a method and an apparatus for recovering the sparse signal. The method for recovering a sparse signal by using a sparse signal recovering device that recovers a target signal from a received signal includes receiving a measurement signal with a noise signal from a sparse signal transmitting device which scans a target signal based on a measurement matrix, performing a mutual update procedure in which a likelihood probability is calculated by using a posterior probability of the target signal based on a relation between the target signal and the measurement signal, and the posterior probability is updated by using the likelihood probability, and recovering the target signal by performing maximum a posterior estimation for a final posterior probability output through the mutual update procedure. | 02-07-2013 |
20130019932 | Nanostructure Array Substrate, Method for Fabricating the Same and Dye-Sensitized Solar Cell Using the Same - Disclosed are a nanostructure array substrate, a method for fabricating the same, and a dye-sensitized solar cell by using the same. The nanostructure array substrate includes a plurality of metal oxide nanostructures vertically aligned on the substrate while being separated from each other. The metal oxide nanostructures include nanorods having a ZnO core/TiO | 01-24-2013 |
20130017473 | METHOD FOR MANUFACTURING A MIXED CATALYST CONTAINING A METAL OXIDE NANOWIRE, AND ELECTRODE AND FUEL CELL INCLUDING A MIXED CATALYST MANUFACTURED BY THE METHODAANM Kim; Won BaeAACI Buk-guAACO KRAAGP Kim; Won Bae Buk-gu KRAANM Kim; Yong-SeokAACI Buk-guAACO KRAAGP Kim; Yong-Seok Buk-gu KR - Provided is a method for manufacturing a mixed catalyst containing a metal oxide nanowire, and an electrode and a fuel cell which include a mixed catalyst manufactured by the method. The method includes: forming a metal/polymer nanowire by electrospinning a polymer solution containing a first metal precursor and a second metal precursor; forming a metal oxide nanowire by heat-treating the metal/polymer mixture nanowire; and mixing the metal oxide nanowire with active metal nanoparticles. Here, the metal of the second metal precursor is used as a dopant for the metal oxide nanowire. In the event an electrode catalyst layer of a fuel cell is formed using the manufactured mixed catalyst, the fuel cell has the advantages of significantly improved performance and reduced costs in generating electricity. | 01-17-2013 |
20120327395 | SPECTROMETER APPARATUS USING CONTINUOUS WAVE LASER AND PHOTOMULTIPLIER TUBE - Disclosed is a spectrometer apparatus using a continuous wave laser and a photomultiplier tube. The spectrometer apparatus includes a continuous wave laser irradiating part to irradiate a continuous wave laser to introduced particles, a scattering light measuring part to measure a scattering light emitted from the particles due to the continuous wave laser, a triggering signal generator to generate a triggering signal if a measurement value of the scattering light measuring part is greater than a preset value or equal to the preset value, a pulse laser irradiating part to receive the triggering signal to irradiate a pulse laser to the particles, and a spectral analysis part to measure an emission light generated from the particles due to the pulse wave laser to analyze elements consisting of the particles. | 12-27-2012 |
20120327119 | USER ADAPTIVE AUGMENTED REALITY MOBILE COMMUNICATION DEVICE, SERVER AND METHOD THEREOF - The present disclosure provides an augmented reality mobile communication device and a method and system thereof, which can provide digital content items to individual users by reflecting a user preference associated with user circumstances in the provision of augmented reality. The augmented reality mobile communication device includes: a context inference unit that receives sensory information and predicts a user context regarding a user of a mobile communication device based on the sensory information; a transmission unit that transmits user context data to a server; a receiving unit that receives a personalized content item from the server, the personalized content item being generated based on user profile data and user preference data corresponding to user context data; and an augmented reality content renderer that overlays the received personalized content item on an image captured by a camera. | 12-27-2012 |
20120321697 | BPB-BASED CARGO DELIVERY SYSTEM - Disclosed are bipodal peptide binder (BPB) based cargo delivery systems wherein cargo is linked to a BPB for delivery into cells or to cell surfaces using target binding ability and specificity of the BPB. The BPB has a structure stabilizing region of parallel or antiparallel amino acid strands or a combination of these strands to induce interstrand non-covalent bonds. The BPB also has target binding regions I and II, each binding to each of both termini of the structure stabilizing region. The number of amino acid residues of regions I and II, respectively, are n and m. The BPB exhibits the K | 12-20-2012 |
20120315506 | MODULE SYSTEM FOR MICROBIAL FUEL CELL - Disclosed is a module system for a microbial fuel cell used in the field of a microbial fuel cell, in which a plurality of unit cells electrically connected to each other in series cannot share an anode part solution. In the module system for the microbial fuel cell, the unit cells are electrically connected to each other in series, so that power is produced in a commercial scale. An anode part is given to each individual cell, so that voltage drop does not occur. The unit cells share an anode part solution together, so that the module system for the microbial fuel cell is simply designed. The module system for the microbial fuel cell is applicable when effectively producing power in the commercial scale. | 12-13-2012 |
20120314220 | METHOD AND DEVICE FOR MEASURING MOTION ERROR OF LINEAR STAGE - Measurement of motion errors of a linear stage is performed to enable accurate measurement of motion errors in linear directions and a rotational direction in the linear stage using a diffraction grating. A first beam splitter splits a laser beam emitted from a light emitting unit. A first measurement unit measures a unidirectional linear motion error of the linear stage using one laser beam component split by the first beam splitter and a second measurement unit measures an angular motion error and another unidirectional linear motion of the linear stage error using a diffracted beam component obtained by diffracting another laser beam component split by the first beam splitter through the diffraction grating. A third measurement unit circularly polarizes the beam component diffracted through the diffraction grating to measure a third unidirectional linear motion error of the linear stage. | 12-13-2012 |
20120309934 | INTRACELLUAR TARGETING BIPODAL PEPTIDE BINDER - An intracellular targeting bipodal-peptide binder specifically binding to an intracellular target molecule, comprising: (a) a structure-stabilizing region comprising a parallel amino acid strand, an antiparallel amino acid strand or parallel and antiparallel amino acid strands to induce interstrand non-covalent bonds; (b) target binding regions I and II each binding to each of both termini of the structure-stabilizing region, wherein the number of amino acid residues of the target binding region I is n and the number of amino acid residues of the target binding region II is m; and (c) a cell-penetrating peptide (CPP) linked to the structure-stabilizing region, the target binding region I or the target binding region II. Also contemplated is a method for preparing an intracellular targeting bipodal-peptide binder. The bipodal-peptide binder capable of binding to intracellular targets has applications to drugs, in vivo molecular imaging, in vitro cell imaging, drug delivery targeting and escort molecules. | 12-06-2012 |
20120305069 | PHOTOELECTRODE INCLUDING ZINC OXIDE HEMISPHERE, METHOD OF FABRICATING THE SAME AND DYE-SENSITIZED SOLAR CELL USING THE SAME - Provided are a photoelectrode including a zinc oxide hemisphere, a method of fabricating the same, and a dye-sensitized solar cell using the same. The photoelectrode includes a conductive substrate, a zinc oxide hemisphere disposed on the conductive substrate, and a porous metal oxide layer covering the zinc oxide hemisphere. Light scattering effects of photoelectrodes can be increased, and recombination losses of electrons can be minimized to improve photovoltaic properties. | 12-06-2012 |
20120304128 | THREE-DIMENSIONAL MENU SYSTEM USING MANUAL OPERATION TOOLS - Disclosed is an augmented reality-based three-dimensional menu system using manual operation tools. According to the present invention, the three-dimensional menu system comprises: a display device; at least one pair of manual operation tools which are manually operated by the user, and are in a hexahedral shape; an image acquisition device which acquires images for the manual operation tools; and a menu augmentation unit which tracks the manual operation tools from the acquired images, and augments menu items in the vicinity of the manual operation tools of the acquired images, thereby outputting the augmented menu items to the display device. | 11-29-2012 |
20120293249 | POWER AMPLIFIER INSENSITIVE TO LOAD IMPEDANCE CHANGES - Disclosed herein is a power amplifier insensitive to load impedance changes. According to the present invention, the power amplifier comprises a power amplification circuit which amplifies an input signal, an output matching circuit connected to an output terminal of the power amplification circuit to perform impedance matching between the power amplification circuit and an antenna load, and a 4-port coupler connected between the output matching circuit and the antenna load. | 11-22-2012 |
20120292162 | ELECTRONIC DEVICE, METHOD FOR MANUFACTURING THE SAME AND TOUCH PANEL INCLUDING THE SAME - Provided are an electronic device, a method of manufacturing the same, and a touch panel including the device. The electronic device includes a nanostructure having a plurality of metal oxide nanorods vertically aligned at predetermined intervals in intersection regions between bottom electrodes and top electrodes that perpendicularly cross each other. The nanorods are formed to the same diameter and the same height so that the electronic device can exhibit uniform performance. Also, a method of manufacturing an electronic device includes selectively vertically growing the same number of metal oxide nanostructures with a uniform size only on the bottom electrodes using a nano-template with a plurality of vertical holes. Furthermore, a touch panel includes a nanostructure having a plurality of piezoelectric nanorods disposed in a plurality of touch cells arranged in a matrix. | 11-22-2012 |
20120286876 | MULTI-BAND POWER AMPLIFIER - Disclosed is a multi-band power amplifier capable of operating at multiple frequency bands. The multi-band power amplifier includes: a power amplification unit which amplifies an input signal; a matching network circuit which provides impedance matching between the power amplification unit and a load; and an auxiliary amplification unit which additionally supplies a certain magnitude of electric current to the load. | 11-15-2012 |
20120280138 | FILM MEMBER, FILM TARGET FOR LASER-DRIVEN ION ACCELERATION, AND MANUFACTURING METHODS THEREOF - The present disclosure provides a method of manufacturing film member for laser-driven ion acceleration, a film target, and a method of manufacturing the same, so that only the film member exists at a laser focusing point on the film target, allowing repeated ion acceleration from the film member by focusing high power laser beams thereon. The method includes preparing a film member solution containing a film material to be used for laser-driven ion acceleration; forming a film member on a base substrate by using the film member solution; and separating the film member from the base substrate by dipping the base substrate having the film member formed thereon into a film parting solvent. | 11-08-2012 |
20120267603 | METHOD FOR FABRICATING QUANTUM DOT AND SEMICONDUCTOR STRUCTURE CONTAINING QUANTUM DOT - Disclosed are a method for fabricating a quantum dot. The method includes the steps of (a) preparing a compound semiconductor layer including a quantum well structure formed by sequentially stacking a first barrier layer, a well layer and a second barrier layer; (b) forming a dielectric thin film pattern including a first dielectric thin film having a thermal expansion coefficient higher than a thermal expansion coefficient of the second barrier layer and a second dielectric thin film having a thermal expansion coefficient lower than the thermal expansion coefficient of the second barrier layer on the second barrier layer; and (c) heat-treating the compound semiconductor layer formed thereon with the dielectric thin film pattern to cause an intermixing between elements of the well layer and elements of the barrier layers at a region of the compound semiconductor layer under the second dielectric thin film. | 10-25-2012 |
20120257791 | APPARATUS AND METHOD FOR DETECTING A VERTEX OF AN IMAGE - Disclosed are an apparatus for detecting a vertex of an image and a method for the same detecting the vertex with the high degree of accuracy and reducing time to detect the vertex by minimizing the interaction operations of the user to detect the vertex even in a touch input part having the low degree of sensing precision. The method includes inputting a vertex position of an image, setting an ROI, detecting a plurality of edges, detecting a candidate straight line group based on the edges, and removing a candidate straight line forming forms an angle less than a critical angle with respect to a base candidate straight line set from the candidate straight line group, and determining an intersection point between a remaining candidate straight line and the base candidate straight line provided at a position making a minimum distance from the input vertex position as an optimal vertex. | 10-11-2012 |
20120256165 | SINGLE-QUANTUM DOT DEVICE AND METHOD OF MANUFACTURING THE SAME - The present disclosure provides a single-quantum dot device and a method of manufacturing the same. A transparent dielectric thin film is formed on a cover layer and an energy band of quantum dots is adjusted based on compressive stress due to difference in coefficient of thermal expansion therebetween. Specifically, the dielectric thin film has a lower coefficient of thermal expansion than the cover layer and compressive stress is applied to the cover layer by radiation of laser beams. Then, the quantum dots undergo compressive stress and the energy band of the quantum dots increases with increasing intensity of the laser beams. | 10-11-2012 |
20120256027 | CELL LYSIS APPARATUS AND MANUFACTURING METHOD THEREOF - The present invention relates to a cell lysis apparatus and a manufacturing method thereof, and more particularly, to a cell lysis apparatus, which mechanically performs cell lysis, and a manufacturing method thereof. The cell lysis apparatus includes: an inlet port through which fluid containing cells is supplied; a fluid channel defining a passage through which the cell containing fluid supplied from the inlet port flows; a nano blade array including a plurality of nano blades having pointed leading ends and arranged such that the pointed leading ends of the nano blades are oriented in a direction of the fluid supplied through the inlet port to disrupt the cells passing therethrough; and an outlet port through which the disrupted cells and the fluid are discharged. | 10-11-2012 |
20120225126 | SOLID STATE SYNTHESIS METHOD OF SILVER NANOPARTICLES, AND SILVER NANOPARTICLES SYNTHESIZED THEREBY - Disclosed are a solid state synthesis method of silver nanoparticles, and silver nanoparticles synthesized thereby. The method includes mixing a silver salt and a water soluble polymer acting as both a reducing agent and a protecting agent to produce a solid mixture, and milling the solid mixture by a high-speed vibration milling process to form silver nanoparticles within the water soluble polymer. According to the present invention, silver nanoparticles can be easily and simply produced in a solid state through high speed vibration milling, thereby reducing costs for industrial production and transportation of silver nanoparticles. In addition, the synthesized silver nanoparticles can be used for a long time since the silver nanoparticles are stable in a solid state for 1 year or more. | 09-06-2012 |
20120223907 | METHOD AND APPARATUS FOR PROVIDING TOUCH INFORMATION OF 3D-OBJECT TO USER - Disclosed are a method and an apparatus for providing the touch information of a 3-D object. The method includes creating a hexahedral bounding box around the 3-D object, acquiring a depth information image for each side of the hexahedral bounding box, creating six touch attribute images corresponding to six depth information images, and providing a touch attribute of at least one of the six touch attribute images to a user. | 09-06-2012 |
20120194661 | ENDSCOPIC SPECTRAL DOMAIN OPTICAL COHERENCE TOMOGRAPHY SYSTEM BASED ON OPTICAL COHERENT FIBER BUNDLE - The present invention relates to a spectral domain optical coherence tomography apparatus having an endoscopic small-sized probe, and more particularly, to a technology imaging an external shape or an internal structure of a sample by a non-contact and non-invasive method by applying an optical coherent fiber bundle probe attached with a lens to Michelson interferometer or a Fizeau interferometer. | 08-02-2012 |
20120172213 | ABSORBENT COMPRISING HYDROPHOBIC MESOPOROUS MATERIAL FOR REMOVAL OF HARMFUL PHARMACEUTICALS FROM AQUEOUS ENVIRONMENT - This invention relates to an absorbent including trimethylsilylated mesoporous silica SBA-15, and more particularly to an absorbent including trimethylsilylated mesoporous silica SBA-15, which can effectively remove 90% or more of the seven pharmaceuticals of carbamazepine, diclofenac, estrone, gemfibrozil, ibuprofen, ketoprofen, and trimethoprim which are present in high concentration. | 07-05-2012 |
20120162380 | OPTICAL MODULATOR USING MULTIPLE FABRY-PEROT RESONANT MODES AND APPARATUS FOR CAPTURING 3D IMAGE INCLUDING THE OPTICAL MODULATOR - An optical modulator that performs wide bandwidth optical modulation by using multiple Fabry-Perot resonant modes, and an apparatus for capturing a three-dimensional image including the optical modulator are provided. The optical modulator may include: a substrate; a first contact layer disposed on the substrate; a bottom distributed Bragg reflective (DBR) layer disposed on the first contact layer; an active layer disposed on the bottom DBR layer and includes a multiple quantum well layer; a top DBR layer disposed on the active layer; a cavity layer disposed in the top DBR layer; and a second contact layer disposed on the top DBR layer. Since the optical modulator achieves both a high contrast ratio and a wide bandwidth by using two or more Fabry-Perot resonant modes, the optical modulator may show a stable performance even when a resonant wavelength is changed during manufacture or due to an external environment such as temperature. | 06-28-2012 |
20120162113 | Locally Vibrating Haptic Apparatus, Method for Locally Vibrating Haptic Apparatus, Haptic Display Apparatus and Vibrating Panel Using the Same - Disclosed is a locally vibrating haptic apparatus capable of vibrating a desired position of the haptic apparatus or adjusting a vibrating position by improving arrangement of vibrators and a frequency control method, the haptic apparatus including a panel and a vibrator transmitting vibration to the panel, wherein a vibration frequency outputted from the vibrator is adjusted in a domain less than a primary resonant frequency of the panel, thus controlling a vibrating position from a portion having the vibrator to a central portion of the panel, the haptic apparatus being advantageous in that the vibrating position of the panel may be precisely controlled by adjusting the frequency of the vibrator disposed on the edge of the haptic panel. | 06-28-2012 |
20120140926 | METHOD FOR KEY UPDATE BASED ON THE AMOUNT OF COMMUNICATION IN WIRELESS SENSOR NETWORKS HAVING HIERARCHY STRUCTURE - The present invention relates to a key update method based on the amount of communication in wireless sensor networks having a hierarchy structure. | 06-07-2012 |
20120140597 | SECURITY MONITORING SYSTEM USING BEAMFORMING ACOUSTIC IMAGING AND METHOD USING THE SAME - Disclosed is a security monitoring method determining whether a trespasser is detected and a position of the trespasser in a set security space and monitoring sound generated at the position of the trespasser by using an acoustic image generated from acoustic signals generated by an acoustic generating device and an acoustic measuring device in an array type. An exemplary embodiment of the present disclosure provides a security monitoring system including: an acoustic generating device that generates acoustic signals; a plurality of acoustic measuring devices that receive the acoustic signals; and an acoustic image processing device that generates an acoustic image using a beamforming algorithm from the acoustic signals received in the plurality of acoustic measuring devices and determines a position of a trespasser by comparing the acoustic image after the trespasser is detected with the acoustic image before the trespasser is detected. | 06-07-2012 |
20120140309 | OPTICAL IMAGE MODULATOR AND METHOD OF MANUFACTURING THE SAME - An optical image modulator and a method of manufacturing the same. The optical image modulator includes a substrate, an N electrode contact layer formed on the substrate, a lower distributed Bragg reflection (DBR) layer, a quantum well layer, an upper DBR layer, and a P electrode contact layer sequentially stacked on the N electrode contact layer, a P electrode formed on the P electrode contact layer, and an N electrode formed on the N electrode contact layer. The N electrode is a frame that surrounds the lower DBR layer. | 06-07-2012 |
20120138917 | BLUE-LIGHT-EMITTING IRIDIUM COMPLEX, IRIDIUM COMPLEX MONOMER, PHOSPHORUS POLYMER, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING SAME - Provided are a blue-light-emitting iridium complex, an iridium complex monomer, a phosphorescent polymer, and an organic electroluminescent device using same. The blue-light-emitting iridium complex contains a ligand having a low electron density structure, such as triazole or tetrazole. The iridium complex monomer containing a ligand having a polymerizable vinyl group produces a blue phosphorescent polymer through the polymerization with carbazole derivatives. The organic electroluminescent device comprises a first electrode, a second electrode, and a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains the above-described iridium complex or polymer containing the iridium complex. | 06-07-2012 |
20120136251 | PROBE AND DEVICE FOR DETECTING ABNORMALITY OF INTERVERTEBRAL DISC - The present invention relates to a probe and a device for detecting abnormality of an intervertebral disc. More particularly, the present invention relates to a probe and a device for detecting abnormality of an intervertebral disc that gives vibration stimulation to the inner part of the intervertebral disc and obtains an ultrasonic image in order to sense the abnormality of the intervertebral disc causing discogenic pains and inspects whether the intervertebral disc is abnormal by measuring impedance in the intervertebral disc. | 05-31-2012 |
20120120202 | METHOD FOR IMPROVING 3 DIMENSIONAL EFFECT AND REDUCING VISUAL FATIGUE AND APPARATUS ENABLING THE SAME - A method and an apparatus for improving three dimensional (3D) effect of a 3D image collected by a 3D photographing apparatus, and reducing visual fatigue, are provided. A feature point of a left-eye image entering through a left-eye lens and of a right-eye image entering through a right-eye lens is acquired, a disparity between the left- and right-eye images is detected, a distance between the left- and right-eye lenses is controlled so that the disparity between the left- and right-eye images becomes a previously-set reference disparity, and at least one of the left- and right-eye images is shifted so that a convergence point is placed on an object located within the left- and right-eye images. | 05-17-2012 |
20120102601 | SCANNING PROBE MICROSCOPE - Disclosed herein is a scanning probe microscope having an improved structure to precisely control a distance between a scanning probe and a surface of a sample. The scanning probe microscope includes a sample stage having a support structure on which a sample to be measured is placed and generating vibration, and a scanning probe not attached to the sample stage but independently constituted and scanning a surface of the sample placed on the sample stage and vibrated by the sample stage. | 04-26-2012 |
20120097230 | PARALLEL-TYPE TANDEM ORGANIC SOLAR CELL - Provided is a parallel-type tandem organic solar cell. The parallel-type tandem organic solar cell includes: a first electrode; a first photoactive layer formed on the first electrode; a conductive polymer electrode formed on the first photoactive layer; a second photoactive layer formed on the conductive polymer electrode; a second electrode formed on the second photoactive layer; and a connection unit oriented in the direction ranging from the second electrode toward the first electrode so as to electrically connect the first electrode and the second electrode. According to the present invention, the energy conversion efficiency of the cell is improved by the increased photocurrent. Further, the solar cell of the present invention is advantageous in that an intermediate electrode can be made from solution-processable conductive polymers, and each element of the solar cell has a parallel structure, thereby simplifying manufacturing processes and reducing manufacturing costs. | 04-26-2012 |
20120095123 | POROUS POLYUREA MATERIAL AND METHODS FOR PREPARING THE SAME - The present invention relates to a porous polyurea material and a method for preparing the same. The porous polyurea material may be prepared by polymerization and crosslinking of tetra(4-aminophenyl)methane with a monomer two to four isocyanate (—NCO) groups. The method includes: mixing an organic solution of tetra(4-aminophenyl)methane with an organic solution of a monomer having two to four isocyanate groups; reacting the mixed solution under a nitrogen atmosphere; and drying a semi-solid or solid material formed by gelation of the reaction solution, or adding the reaction solution to a non-solvent before gelation of the reaction solution to form a precipitate, followed by drying, or applying the reaction solution to a substrate before gelation of the reaction solution, followed by drying. According to the present invention, the introduction of the monomer having a tetrahedral structure can impart good chemical resistance, heat resistance and durability to the porous polyurea material. | 04-19-2012 |
20120092146 | METHOD FOR EXPRESSING HAPTIC INFORMATION USING CONTROL INFORMATION, AND SYSTEM FOR TRANSMITTING HAPTIC INFORMATION - Provided is a method for expressing haptic information using control information, and a system for transmitting haptic information. In the method for expressing haptic information using control information, a tactile video is generated from tactile information for driving a drive array of a tactile device; force feedback data are generated from force feedback information for driving an actuator of a force feedback device; object data are generated to produce a scene descriptor that defines time positions of the tactile video, force feedback data, and multimedia information; and a stream file is generated by encoding the object data and multiplexing the encoded object data. The method comprises: a step of storing control information containing features and specifications of a haptic device including the tactile device and the force feedback device; and a step of expressing information of the scene descriptor through the haptic device with reference to the control information. | 04-19-2012 |
20120091473 | ELECTRONIC DEVICE WHICH PERFORMS AS LIGHT EMITTING DIODE AND SOLAR CELL - An electronic device performing as a light emitting diode and a solar cell, and which comprises: a solar cell unit including a first electrode layer, an energy-level compensation layer formed on the first electrode layer, a photoelectric-conversion layer formed on the energy level compensation layer, and a shared electrode layer formed on the photoelectric-conversion layer; and a light emitting diode unit including the shared electrode layer, and a light emitting layer formed on the shared electrode layer and a second electrode layer formed on the light emitting layer, wherein a LUMO energy-level of the energy-level compensation layer is smaller than a work function of the first electrode layer and is larger than a LUMO energy level of the photoelectric-conversion layer, thereby increasing the generating efficiency of the solar cell unit or the luminous efficiency of the light emitting diode unit due to high electron mobility among the respective layers. | 04-19-2012 |
20120087859 | NANOCARRIER HAVING ENHANCED SKIN PERMEABILITY, CELLULAR UPTAKE AND TUMOUR DELIVERY PROPERTIES - The present invention relates to a biopolymer-modified nanocarrier in which chitosan is bound to a water-soluble biocompatible polymer that has been crosslinked via a photo-crosslinkable functional group; wherein the chitosan-modified nanocarrier has a diameter which changes in accordance with changes in temperature, has enhanced skin permeability or cellular uptake and selective delivery to cancer tissue as compared with a bare nanocarrier to which chitosan has not been bound, and exhibits characteristics that are advantageous in photothermal therapy. The chitosan-modified nanocarrier of the present invention exhibits highly superior efficacy as a transdermal carrier, since the skin permeability is enhanced to a significant level as compared with a bare nanocarrier that has no chitosan. The chitosan-modified nanocarrier of the present invention can be advantageous in the imaging and photothermal therapy of tumour cells and cancer cells, since the cellular uptake by tumour cells and cancer cells is substantially improved. | 04-12-2012 |
20120087580 | VISION IMAGE INFORMATION STORAGE SYSTEM AND METHOD THEREOF, AND RECORDING MEDIUM HAVING RECORDED PROGRAM FOR IMPLEMENTING METHOD - The present invention relates to a system for generating a vision image from the viewpoint of an agent in an augmented reality environment, a method thereof, and a recording medium in which a program for implementing the method is recorded. The invention provides a vision image information storage system comprising: a vision image generator which extracts visual objects from an augmented reality environment based on a predetermined agent, and generates a vision image from the viewpoint of the agent; and an information storage unit which evaluates the objects included in the generated vision image based on a predetermined purpose, and stores information on the evaluated objects. | 04-12-2012 |
20120064416 | THREE ELECTRODE TYPE OF MICROBIAL FUEL CELL AND A METHOD FOR OPERATING THE SAME - Provided are a three electrode type microbial fuel cell and a method of operating the same. The fuel cell includes a sediment electrode acting as an anode and placed in sediment on the bottom of a contaminated water zone, an intermediate electrode acting as an anode or a cathode and placed in water, and an floating electrode acting as a cathode and placed adjacent to a water surface. In the three electrode type microbial fuel cell, the intermediate electrode may be used as an anode or a cathode according to the concentration of organic contaminants in water of the contaminated water zone, so that the fuel cell can continue to generate electricity in any case where the organic contaminants are present in or removed from the water. | 03-15-2012 |
20120031493 | TANDEM ORGANIC SOLAR CELL USING A POLYELECTROLYTE LAYER, AND METHOD FOR MANUFACTURING THE SAME - The invention relates to a tandem organic solar cell using a polyelectrolyte layer and a method for manufacturing same. The tandem organic solar cell comprises a first electrode, a first organic photoactive layer, a recombination layer, a second organic photoactive layer, and a second electrode. The recombination layer includes an n-type semiconductor material layer and a conjugated polyelectrolyte layer. | 02-09-2012 |
20110317766 | APPARATUS AND METHOD OF DEPTH CODING USING PREDICTION MODE - A depth image coding method may calculate a depth offset of a depth image, may generate a prediction mode based on the depth offset, may minimize a prediction error of the depth image having a low correlation between adjacent points of view and a low temporal correlation and may enhance a compression rate. The depth offset may be calculated based on a representative value of adjacent pixels included in a template as opposed to using a depth representative value of pixels in a block and header information may not be needed to encode an offset and the offset may be generated by a depth image decoding apparatus. When a plurality of objects is included in a block, a depth offset is calculated for each of the plurality of objects and a motion vector is calculated for each of the plurality of objects and the depth image may be accurately predicted. | 12-29-2011 |
20110309322 | RESISTANCE CHANGE MEMORY DEVICE WITH THREE-DIMENSIONAL STRUCTURE, AND DEVICE ARRAY, ELECTRONIC PRODUCT AND MANUFACTURING METHOD THEREFOR - Provided are a resistance change memory device with a three-dimensional structure, a resistance change memory device array, an electronic product, and a manufacturing method therefor. The device array includes a plurality of first directional data lines which are arranged on a substrate in parallel. A conductive pillar is positioned between sidewalls of the first directional data lines, which face each other. A resistance change material film is positioned between the sidewall of the conductive pillar and the sidewall of the data lines that are adjacent to the sidewall of the conductive pillar. | 12-22-2011 |
20110293175 | IMAGE PROCESSING APPARATUS AND METHOD - Provided is an image processing apparatus. When a plurality of images acquired by photographing different directions is input, a region search unit of the image processing apparatus may search for an overlapping region within the plurality of images. An outlier removal unit may remove an outlier within the retrieved overlapping region. | 12-01-2011 |
20110284082 | POLYMER CONTAINING THIOPHENE UNIT AND THIENYLENEVINYLENE UNIT, AND ORGANIC FIELD EFFECT TRANSISTOR AND ORGANIC SOLAR CELL CONTAINING THE POLYMER - Provided are a polymer containing a thiophene unit and a thienylenevinylene unit, and an organic field effect transistor and an organic solar cell containing the polymer. The film may be formed by coating a substrate with a polymer containing a thiophene unit and a thienylenevinylene unit using a solution process. Therefore, the production cost may be reduced and a large-scale device may be suitably manufactured since there is no need for an expensive vacuum system to form films. Also, the polymer according to one embodiment of the present invention containing a thiophene unit and a thienylenevinylene unit has very excellent flatness since the thiophene unit is continuously coupled with a vinyl group having excellent flatness. Therefore, the polymer may be useful in further improving the charge mobility since it has high crystallinity caused by the improved ordering property between molecules. Such crystallinity may be further improved by the heat treatment. In addition, the organic compound according to one embodiment of the present invention containing a thienylenevinylene unit may have high oxidative stability because of its high ionization energy. | 11-24-2011 |
20110262003 | OBJECT LEARNING METHOD, OBJECT TRACKING METHOD USING THE SAME, AND OBJECT LEARNING AND TRACKING SYSTEM - The present invention relates to an object learning method that minimizes time required for learning an object, an object tracking method using the object learning method, and an object learning and tracking system. The object learning method includes: receiving an image to be learned through a camera to generate a front image by a terminal; generating m view points used for object learning and generating first images obtained when viewing the object from the m view points using the front image; generating second images by performing radial blur on the first images; separating an area used for learning from the second images to obtain reference patches; and storing pixel values of the reference patches. | 10-27-2011 |
20110260191 | LIGHT-EMITTING DIODE HAVING ZINC OXIDE NANORODS AND METHOD OF FABRICATING THE SAME - The light extraction efficiency of a typical light-emitting diode (LED) is improved by incorporating one-dimensional ZnO nanorods. The light extraction efficiency is improved about 31% due to the waveguide effect of ZnO sub-microrods, compared to an LED without the nanorods. Other shapes of ZnO microrods and nanorods are produced using a simple non-catalytic wet chemical growth method at a low temperature on an indium-tin-oxide (ITO) top contact layer with no seed layer. The crystal morphology of a needle-like or flat top hexagonal structure and the density and size of ZnO microrods and nanorods are easily modified by controlling the pH value and growth time. The waveguide phenomenon in each ZnO rod is observed using confocal scanning electroluminescence microscopy (CSEM) and micro-electroluminescence spectra (MES). | 10-27-2011 |
20110247548 | Method For Fabricating Of ZnO Particle And Method For Fabricating Of ZnO Rod - Disclosed herein are a method for preparing zinc oxide (ZnO) nanoparticles and a method for preparing ZnO nanorods. The method for preparing ZnO nanoparticles may include: preparing a growth solution containing a zinc salt, a precipitator, and a growth inhibitor; and applying heat to the growth solution to prepare ZnO nanoparticles. Moreover, the method for preparing ZnO nanorods may include: forming a ZnO seed layer on a substrate; forming a pattern layer including a plurality of holes on the ZnO seed layer; preparing a growth solution containing a zinc salt, a precipitator, and a growth inhibitor; and immersing the substrate including the pattern layer in the growth solution such that ZnO nanorods are grown in the holes. | 10-13-2011 |
20110233487 | Synthesis of Chalcogenide Ternary and Quaternary Nanotubes Through Directed Compositional Alterations of Bacterial As-S Nanotubes - Provided is a method for preparing a chalcogenic hybrid nanostructure including: (a) adding a chalcogenic nanostructure, an electron donor and an electron acceptor to a medium containing metal-reducing bacteria to prepare a reaction mixture, the electron acceptor including a chalcogen element; and (b) performing a metal reduction reaction using the prepared reaction mixture to prepare a chalcogenic hybrid nanostructure with the chalcogen element of the electron acceptor incorporated. The present disclosure provides a new method allowing preparation of a chalcogenic hybrid nanostructure comprising three or more components using metal-reducing bacteria. The disclosure allows preparation of a nanostructure in a more economical and eco-friendly manner. The disclosure also allows control of morphological, physical/chemical and electrical properties of the prepared nanostructure. In addition, the present disclosure provides a nanomaterial that can be useful in nanoelectronic and optoelectronic devices. | 09-29-2011 |
20110216939 | APPARATUS AND METHOD FOR TRACKING TARGET - A target tracking apparatus and method according to an exemplary embodiment of the present invention may quickly and accurately perform target detection and tracking in a photographed image given as consecutive frames by acquiring at least one target candidate image most similar to a photographed image of a previous frame among prepared reference target images, determining one of the target candidate images as a target confirmation message based on the photographed image, and calculating a homography between the determined target confirmation image and the photographed image, and searching the photographed image of the previous image for feature points according to the calculated homography, and tracking an inter-frame change from the previous frame of the found feature points to a current frame. | 09-08-2011 |
20110216090 | REAL-TIME INTERACTIVE AUGMENTED REALITY SYSTEM AND METHOD AND RECORDING MEDIUM STORING PROGRAM FOR IMPLEMENTING THE METHOD - The present invention relates to a real-time interactive system and method regarding an interactive technology between miniatures in real environment and digital contents in virtual environment, and a recording medium storing a program for performing the method. An exemplary embodiment of the present invention provides a real-time interactive augmented reality system including: an input information acquiring unit acquiring input information for an interaction between real environment and virtual contents in consideration of a planned story; a virtual contents determining unit determining the virtual contents according to the acquired input information; and a matching unit matching the real environment and the virtual contents by using an augmented position of the virtual contents acquired in advance. According to the present invention, an interaction between the real environment and the virtual contents can be implemented without tools, and improved immersive realization can be obtained by augmentation using natural features. | 09-08-2011 |
20110181936 | OPTICAL MODULATOR - Optical modulator having wide bandwidth based on Fabry-Perot resonant reflection is disclosed. The optical modulator includes: a bottom Distributed Bragg Reflector (DBR) layer; a top DBR layer including at least one layer, and a modified layer; and an active layer disposed between bottom and top DBR layers, wherein the at least one layer includes at least one pair of a first refractive index layer having a first refractive index and a second refractive index layer having a second refractive index, the modified layer includes at least one pair of a third refractive index layer having a third refractive index and a fourth refractive index layer having a fourth refractive index, the third and the fourth refractive indexes being different, and at least one of the third and the fourth refractive index layers has a second optical thickness that is not λ/4 or that is not an odd multiple thereof. | 07-28-2011 |
20110177653 | THIAZOLE-BASED SEMICONDUCTOR COMPOUND AND ORGANIC THIN FILM TRANSISTOR USING THE SAME - Provided are an organic semiconductor compound using thiazole, and an organic thin film transistor having an organic semiconductor layer formed of the organic semiconductor compound using thiazole. The novel organic semiconductor compound including thiazole has liquid crystallinity and excellent thermal stability, and thus is provided to form an organic semiconductor layer in the organic thin film transistor. To this end, a silicon oxide layer is formed on a silicon substrate, and an organic semiconductor layer including thiazole is formed on the silicon oxide layer. In addition, source and drain electrodes are formed on both edge portions of the organic semiconductor layer. The organic thin film transistor using the organic semiconductor layer has an improved on/off ratio and excellent thermal stability. Also, a solution process can be applied in its manufacture. | 07-21-2011 |
20110175052 | RESISTANCE-VARIABLE MEMORY DEVICE INCLUDING CARBIDE-BASED SOLID ELECTROLYTE MEMBRANE AND MANUFACTURING METHOD THEREOF - Disclosed are a resistance-variable memory device including a carbide-based solid electrolyte membrane that has stable memory at a high temperature and a manufacturing method thereof. The resistance-variable memory device includes: a lower electrode, the carbide-based solid electrolyte membrane arranged on the lower electrode, and an upper electrode arranged on the solid electrolyte membrane. In addition, the method for manufacturing the resistance-variable memory device comprises: a step for forming the lower electrode on a substrate, a step for forming the carbide-based solid electrolyte membrane on the lower electrode, and a step for forming the upper electrode on the solid electrolyte membrane. | 07-21-2011 |
20110168249 | WET-PROCESSIBLE METAL OXIDE SOLUTION, METHOD OF USING THE SAME, AND ORGANIC PHOTOVOLTAIC CELL OF USING THE SAME - A method of preparing a wet-processible metal oxide solution and a method of fabricating a film using the same are provided. A metal oxide that has been widely used as a photocatalyst is improved and a metal oxide solution having new functionality is formed. The metal oxide solution is transparent, wet-processible, and facilitates electron transfer. The metal oxide solution can be applied in various ways to an electronic device and is well-suited for application to an electronic device using organic materials. Also, a titanium oxide solution functions to remove and block oxygen and moisture. Thus, when it is applied to an electronic device using organic materials that are vulnerable to oxygen and moisture, the lifetime of the device can be increased. | 07-14-2011 |
20110141803 | Magnetic tunnel junction devices, electronic devices including a magnetic tunneling junction device and methods of fabricating the same - Perpendicular magnetic tunnel junction (MTJ) devices, methods of fabricating a perpendicular MTJ device, electronic devices including a perpendicular MTJ device and methods of fabricating the electronic device are provided, the perpendicular MTJ devices include a pinned layer, a tunneling layer and a free layer. At least one of the pinned layer and the free layer includes a multi-layered structure including an amorphous perpendicular magnetic anisotropy (PMA) material. | 06-16-2011 |
20110134221 | OBJECT RECOGNITION SYSTEM USING LEFT AND RIGHT IMAGES AND METHOD - Disclosed herein are an object recognition system and method which extract left and right feature vectors from a stereo image of an object, find feature vectors which are present in both the extracted left and right feature vectors, compare information about the left and right feature vectors and the feature vectors present in both the extracted left and right feature vectors with information stored in a database, extract information of the object, and recognize the object. | 06-09-2011 |
20110092007 | Method of Fabricating Antireflective Grating Pattern and Method of Fabricating Optical Device Integrated with Antireflective Grating Pattern - A method of fabricating an antireflective grating pattern and a method of fabricating an optical device integrated with an antireflective grating pattern are provided. The method of fabricating the antireflective grating pattern includes forming a photoresist (PR) pattern on a substrate using a hologram lithography process, forming a PR lens pattern having a predetermined radius of curvature by reflowing the PR pattern, and etching the entire surface of the substrate including the PR lens pattern to form a wedge-type or parabola-type antireflective subwavelength grating (SWG) pattern having a pointed tip on a top surface of the substrate. In this method, a fabrication process is simplified, the reflection of light caused by a difference in refractive index between the air and a semiconductor material can be minimized, and the antireflective grating pattern can be easily applied to optical devices. | 04-21-2011 |
20110085163 | METHOD AND APPARATUS OF MEASURING RELATIVE PHASE OF BIO-CELLS - A method of measuring a relative phase of a bio-cell using a digital image sensor, comprising the steps of firstly filtering a light emitted from a light source, using a first polarizer and a first wave plate, which are arranged in order in a optical path, exposing a bio-cell to the firstly filtered light, secondly filtering the light passing through the bio-cell, using a second wave plate and a second polarizer, which are arranged in order in the optical path, and sensing an intensity of the secondly filtered light, by each of pixels of the image sensor, wherein, as conditions of the second filtering are varied, optical properties of the bio-cell are calculated using the intensity of the light in a pixel-wise manner. | 04-14-2011 |
20110081048 | METHOD AND APPARATUS FOR TRACKING MULTIPLE OBJECTS AND STORAGE MEDIUM - The present invention relates to a method and an apparatus for tracking multiple objects and a storage medium. More particularly, the present invention relates to a method and an apparatus for tracking multiple objects that performs object detection of one subset per an input image by performing only objection detection of one subset per camera image regardless of the number N of objects to be tracked and tracks all objects among images while the objects are detected to track multiple objects in real time, and a storage medium. The method for tracking multiple objects according to the exemplary embodiment of the present invention includes: (a) performing object detection with respect to only objects of one subset among multiple objects with respect to an input image at a predetermined time; and (b) tracking all objects among images from an image of a time prior to the predetermined time with respect to all objects in the input image while step (a) is performed. | 04-07-2011 |
20110033757 | FLOATING-TYPE MICROBIAL FUEL CELL - Provided is a floating-type microbial fuel cell capable of effectively generating energy from organic contaminants of contaminated waters. The floating-type microbial fuel cell includes a cathode, an anode electrically connected to the cathode, and a floating unit connected to the cathode and/or the anode and floatable in a substrate solution, wherein the cathode is positioned at a region in the substrate solution having a dissolved oxygen concentration higher than that of a region at which the anode is positioned, and the anode is positioned at a region in the substrate solution having an amount of electrons generated by microorganisms larger than that of a region at which the cathode is positioned. | 02-10-2011 |
20110020858 | METHOD OF SELECTING AND SEPARATING NORMAL CELLS AND SPECIFIC CELLS BY USING ULTRASONIC WAVES - The present invention relates to a method of selecting and separating normal cells and specific cells by using ultrasonic waves. More particularly, the present invention relates to a method of selecting and separating normal cells and cancer cells, or normal cells and stem cells by using a difference in attenuation coefficients, speed of sound and so on in normal cells and specific cells obtained when ultrasonic waves are radiated. The method of the present invention is capable of selecting and separating normal cells and specific cells (cancer cells or stem cells) in a simple and efficient manner. | 01-27-2011 |
20100321755 | OPTICAL MODULATOR, METHODS OF MANUFACTURING AND OPERATING THE SAME AND OPTICAL APPARATUS INCLUDING THE OPTICAL MODULATOR - An optical modulator, methods of manufacturing and operating the same, and an optical apparatus including the optical modulator are disclosed. The optical modulator includes an electro-optical converter and an optical-electric converter, stacked perpendicular to a substrate, and a gate transistor. The gate transistor gates a signal transmitted to the electro-optical converter from the optical-electric converter and allows charges generated in the optical-electric converter and charges remaining in the electro-optical converter to flow while bypassing the electro-optical converter when gating ON is performed. | 12-23-2010 |
20100321540 | USER-RESPONSIVE, ENHANCED-IMAGE GENERATION METHOD AND SYSTEM - The present invention concerns an enhanced-image generation system and method which responds adaptively to changes in conditions in real space or virtual space. The enhanced-image generation system according to the present invention comprises: a conditions-judging unit for judging conditions on the basis of conditions data associated with actual objects and conditions data associated with virtual objects; an operational-parameter generating unit for generating operational parameters for a responsive agent in accordance with the judged conditions; and an enhanced-image generating unit for generating an enhanced image through the use of agent operational parameters and an image relating to an actual object. The present invention makes it possible to generate enhanced images which respond actively to changes in conditions and which are relatively realistic, and also makes it possible to generate enhanced images which are matched to the user and which are made to reflect the user's individual preferences and experiences. | 12-23-2010 |
20100315418 | TABLETOP, MOBILE AUGMENTED REALITY SYSTEM FOR PERSONALIZATION AND COOPERATION, AND INTERACTION METHOD USING AUGMENTED REALITY - The present invention relates to a tabletop, mobile augmented reality system for personalization and cooperation and an interaction method using augmented reality. More particularly, the tabletop, mobile augmented reality system for personalization and cooperation according to the present invention adds a mobile interface for providing a personal user space to a table interface for providing a cooperative space for users such that information on a table can be brought to a personal mobile device and controlled directly or manipulated personally by a user, allows for fairness in the right to control the table, and permits users to share the result of personalization. The tabletop, mobile augmented reality system for personalization and cooperation according to the present invention includes a table interface for providing a cooperative space, which allows for interaction among users by enabling users to touch a specific piece of content of the image projected onto a table or via an object disposed on the specific piece of content. The invention further relates to a mobile interface for providing a personal space, which recognizes and traces said object to augment the image projected onto the table with three-dimensional content. | 12-16-2010 |
20100309292 | METHOD AND APPARATUS FOR GENERATING MULTI-VIEWPOINT DEPTH MAP, METHOD FOR GENERATING DISPARITY OF MULTI-VIEWPOINT IMAGE - There are provided a method and an apparatus for generating a multi-viewpoint depth map, and a method for generating a disparity of a multi-viewpoint image. A method for generating a multi-viewpoint depth map according to the present invention includes the steps of: (a) acquiring a multi-viewpoint image constituted by a plurality of images by using a plurality of cameras (b) acquiring an image and depth information by using a depth camera; (c) estimating coordinates of the same point in a space in the plurality of images by using the acquired depth information; (d) determining disparities in the plurality of images with respect to in the same point by searching a predetermined region around the estimated coordinates; and (e) generating a multi-viewpoint depth map by using the determined disparities. According to the above-mentioned present invention, it is possible to generate a multi-viewpoint depth map within a shorter time and generate a multi-viewpoint depth map having higher quality than a multi-viewpoint depth map generated by using known stereo matching. | 12-09-2010 |
20100308211 | OPTOELECTRONIC SHUTTER, METHOD OF OPERATING THE SAME AND OPTICAL APPARATUS INCLUDING THE OPTOELECTRONIC SHUTTER - An optoelectronic shutter, a method of operating the same, and an optical apparatus including the optoelectronic shutter are provided. The optoelectronic shutter includes a phototransistor which generates an output signal from incident input light and a light emitting diode serially connected to the phototransistor. The light emitting diode outputs output light according to the output signal, and the output signal is gain-modulated according to a modulation of a current gain of the phototransistor. | 12-09-2010 |
20100290488 | Green Laser Generation Device, and Portable Electronic Machine Having Laser Projection Display Using the Said Device - The present invention relates to a green laser generation device which can be applied to a cellular phone, and more particularly to a green laser generation device which is ultra compact in size having volume of 1 cc or less, despite having a built-in thermo electric cooler, and has sufficient output power, despite having low power consumption, and a portable electronic machine having a laser projection display using the said device. The present invention provides a green laser generation device comprising an LD pump constituted by a photo diode; a fundamental generator generating infrared light laser according to the driving of the LD pump; a second harmonic generator generating green light using the generated infrared light laser; a polarization maintenance unit inserted between the fundamental generator and the second harmonic generator to maintain the polarization of the laser; and a temperature controller controlling an internal temperature of the green laser generation device. | 11-18-2010 |
20100282611 | APPARATUS FOR SEPARATING CELL USING CENTRIFUGAL FORCE AND DIELECTROPHORESIS - A cell separating apparatus that can easily separate target cells contained in a fluid is provided. Target cells and a fluid are injected through a storage hole, and ejected to the outside of a rotation disk under the influence of a centrifugal force of the rotation disk. An electric field is applied to the outside of the rotation disk, and the target cells are gathered at a different position from the fluid due to di-electrophoresis. In addition, pivot arms placed at an outer surface of the rotation disk are open, and the open pivot arms collect the target cells. The collected target cell flow in a different storage portion through a fluid flow path. As a result, the target cells can be easily separated. | 11-11-2010 |
20100280220 | Gold binding peptides and shape-and size-tunable synthesis of gold nanostructures - The present invention relates to gold binding peptides and shape- and size-tunable synthesis of gold nanostructures. The present inventions are very useful for the production of well-designed, gold-based architectures. The size- and shape-specific gold nanostructure materials prepared by the present invention may find use as: highly conductive interconnections for single-electron transistors, catalysts for the oxidation of carbon monoxide; biological and chemical sensors; and as contrasting agents for electron microscopic and medical imaging applications. | 11-04-2010 |
20100278512 | NODE STRUCTURE FOR REPRESENTING TACTILE INFORMATION, AND METHOD AND SYSTEM FOR TRANSMITTING TACTILE INFORMATION USING THE SAME - The present invention relates to a node structure for representing tactile information, and method and system for transmitting tactile information using the same. More particularly, the present invention relates to a node structure that represents tactile information for driving a tactile display device including an array of drivers as a tactile video, and to method and system for transmitting tactile information using the same. The invention provides a node structure for representing information for driving a driver array of a tactile display device. The node structure includes: a url field that indicates the position of the tactile video storing information on the driving strength of the driver array as intensity values of pixels! a start time field that indicates the playback start time of the tactile video; and a stop time field that indicates the playback stop time of the tactile video. In addition, the invention provides method and system for transmitting tactile information using the node structure. | 11-04-2010 |
20100274996 | MICRO-PROCESSOR - A micro-processor includes a clock generator configured to generate a fetch clock, a decoding clock, an execution clock, and a write-back clock that are sequentially enabled; a volatile memory device configured to output pre-stored program data in response to the fetch clock; a command decoder configured to decode the program data in response to the decoding clock and generate a decoding command; an arithmetic device configured to perform an arithmetic operation according to the command of the decoding command in response to the execution clock; and a peripheral circuit device configured to be operated according to the command of the decoding command in response to the write-back clock. | 10-28-2010 |
20100272197 | OFDM SYSTEM AND DATA TRANSMISSION METHOD THEREFOR - An OFDM system includes a frequency-time transformer configured to receive and transform input data to be transmitted to a time-domain sequence; a serial/parallel transformer configured to divide the time-domain sequence into plural sequences; a phase rotating module configured to perform phase rotation in respects to each of the divided time-domain sequences; and a minimum PAPR signal selector configured to select a sequence having a minimum peak-to-average power ratio (PAPR) among the sequences outputted from the phase rotating module. | 10-28-2010 |
20100193034 | ORGANIC-INORGANIC HYBRID JUNCTION DEVICE USING REDOX REACTION AND ORGANIC PHOTOVOLTAIC CELL OF USING THE SAME - Provided are an organic-inorganic hybrid junction device in which organic and inorganic materials are connected by junction, and a depletion layer is formed at a junction interface, and an organic photovoltaic cell using the same. A basic metal oxide solution is applied to a top surface of a P-doped organic layer. The basic metal oxide solution has N-type characteristics. An oxidation-reduction reaction occurs in response to the application of the basic metal oxide solution at a junction interface of the organic layer, and the metal oxide layer is simultaneously gelated. A free charge is removed from a surface region of the P-doped organic layer by the oxidation-reduction reaction at the interface, which is converted into a depletion region. According to the introduction of the depletion region, P-N junction occurs, and thus the device has a diode characteristic in an electrical aspect. Also, an organic photovoltaic cell including the organic layer, the depletion layer and the metal oxide layer is fabricated. | 08-05-2010 |
20100177372 | OPTICAL IMAGE MODULATOR, OPTICAL APPARATUS INCLUDING THE SAME, AND METHODS OF MANUFACTURING AND OPERATING THE OPTICAL IMAGE MODULATOR - Disclosed are an optical image modulator, an optical apparatus including the same, and methods of manufacturing and operating the optical image modulator. The optical image modulator includes a light amount increasing unit increasing the amount of forward light emission of an electric-optical unit. The light amount increasing unit includes a first reflector reflecting light, which travels from the inside of the electric-optical unit toward the optical-electric unit, to the electric-optical unit. The light amount increasing unit may further include a second light reflector reflecting light, which passes through the optical-electric unit without optical-electric conversion, to the optical-electric unit. | 07-15-2010 |
20100166074 | METHOD AND APPARATUS FOR ENCODING OR DECODING FRAMES OF DIFFERENT VIEWS IN MULTIVIEW VIDEO USING GLOBAL DISPARITY - The present invention relates to a method and apparatus for encoding a multi-view video and a method and apparatus for decoding a multi-view video, and more particularly, to a method and apparatus for encoding a multi-view video and a method and apparatus for decoding a multi-view video that can perform encoding and decoding in consideration of global disparity between pictures captured at two different viewpoints to remove spatial redundancy. An embodiment of the invention provides an encoder for compressing data for pictures captured at different viewpoints using global disparity in a multi-view video. The encoder includes: an input unit that receives pictures captured at two or more viewpoints; a reference picture generating unit that generates a new reference picture on the basis of the global disparity between a target picture and a reference picture; and a motion predicting unit that calculates motion vectors of the target picture on the basis of the reference picture. | 07-01-2010 |
20100158460 | LOW BEND LOSS OPTICAL FIBER - Disclosed is a low bend loss optical fiber including: a core; an inner layer disposed at outside of the core, which has a refractive index lower than a refractive index of the core, the refractive index of the inner layer gradually decreasing as it becomes farther from the core; and a trench layer disposed at outside of the inner layer, which has a lowest refractive index. | 06-24-2010 |
20100108996 | COMPOSITION FOR ORGANIC THIN FILM TRANSISTOR, ORGANIC THIN FILM TRANSISTOR FORMED BY USING THE SAME, AND METHOD FOR FORMING THE ORGANIC FILM TRANSISTOR - Provided are a composition for organic thin film transistors including a material including an anthracenyl group and a cross-linker including a maleimide group, an organic thin film transistor formed by using the composition, and a method for manufacturing the same. | 05-06-2010 |
20100046388 | METHOD AND SYSTEM FOR ESTIMATING DISTANCE BETWEEN NODES IN WIRELESS SENSOR NETWORKS - The present invention relates to a method for estimating a distance between nodes by using a round trip time (RTT) of a packet based on a CSMA/CA protocol in wireless sensor networks and a system thereof. The present invention provides a method for estimating a distance between nodes in wireless sensor networks that includes (a) measuring a transmission time of a transmission signal transmitted to the other node and a reception time of a reception signal received from the other node in response the transmission signal, and receiving a reception time of the transmission signal through the reception signal from the other node and a transmission time of the reception signal through a signal received after the reception signal from the other node; and (b) estimating a distance to the other node by using the transmission/reception time of all signals acquired in step (a). According to the present invention, it is possible to accurately estimate the distance between two nodes and as a result, it is possible to accurately identify positions of nodes that are deployed in a sensor field. | 02-25-2010 |
20100026462 | METHOD OF RECOGNIZING RFID TAG FOR THE PURPOSE OF PREVENTING THOURGHPUT INVERSION AND RFID READER PERFORMING THE SAME - A method of recognizing a tag in an RFID reader includes: obtaining a predetermined frame size in the case where throughput obtained by reflecting a slot length based on the remaining number of tags except for recognized tags within a frame progressing current tag recognition that substantially has a maximum value; and when the current frame size is different from the predetermined frame size, stopping the current progress of frame and changing the current frame size into the expected frame size. The method of recognizing a tag may further include when the current frame size is equal to the expected frame size, changing the current frame size into the frame size that does not cause a throughput inversion phenomenon for the remaining number of tags to be recognized within the frame progressing the current tag recognition. By the throughput inversion phenomenon, the occurrence of throughput loss can be prevented and the tag recognition time is reduced to recognize the tags at high speed. | 02-04-2010 |
20100019258 | SEMICONDUCTOR LIGHT EMITTING DEVICE - There is provided a semiconductor light emitting device that can easily dissipate heat, improve current spreading efficiency, and reduce defects by blocking dislocations occurring when a semiconductor layer is grown to thereby increase reliability. A semiconductor light emitting device including a substrate, a light emitting structure having an n-type semiconductor layer, an active layer, and a p-type semiconductor layer sequentially laminated, and an n-type electrode and a p-type electrode formed on the n-type semiconductor layer and the p-type semiconductor layer, respectively, according to an aspect of the invention may include: a metal layer formed in the n-type semiconductor layer and contacting the n-type electrode. | 01-28-2010 |
20100019223 | NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE - There is provided a nitride semiconductor light emitting device including an active layer of a multi quantum well structure, the nitride semiconductor light emitting device including: a substrate; and a buffer layer, an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer sequentially stacked on the substrate, wherein the active layer is formed of a multi quantum well structure where a plurality of barrier layers and a plurality of well layers are arranged alternately with each other, and at least one of the plurality of barrier layers includes a first barrier layer including a p-doped barrier layer doped with a p-dopant and an undoped barrier layer. | 01-28-2010 |
20100014806 | OPTICAL CONNECTION COMPONENT - The present invention provides an optical connection component which comprises a solid state laser component for emitting a modulated beam of light in response to an applied electrical signal. The optical connection component also comprises an optical lens positioned relative to the solid state laser component at a predetermined position in which the optical lens reduces divergence of the emitted beam of light. The optical lens is formed at the predetermined position in a manner such that the optical lens is immobile relative to the solid state laser component. The optical connection component further comprises an optical waveguide having a core for guiding the light. The optical waveguide has first and second end-portions. The first end-portion is positioned for coupling the modulated light from the optical lens into the core. In addition, the optical connection component comprises a receiver for receiving the modulated light from the second end-portion of the optical waveguide and arranged for converting the modulated light into a corresponding electrical signal. | 01-21-2010 |
20100009514 | METHOD OF FABRICATING MICRO-VERTICAL STRUCTURE - A method of fabricating a micro-vertical structure is provided. The method includes bonding a second crystalline silicon (Si) substrate onto a first crystalline Si substrate by interposing an insulating layer pattern and a cavity, etching the second crystalline Si substrate using a deep reactive ion etch (DRIE) process along a [111] crystal plane vertical to the second crystalline Si substrate, and etching an etched vertical surface of the second crystalline Si substrate using a crystalline wet etching process to improve the surface roughness and flatness of the etched vertical surface. As a result, no morphological defects occur on the etched vertical surface. Also, footings do not occur at an etch end-point due to the insulating layer pattern. In addition, the micro-vertical structure does not float in the air but is fixed to the first crystalline Si substrate, thereby facilitating subsequent processes. | 01-14-2010 |
20100008270 | Method and System for Localization Using One-Way Ranging Technique - The present invention relates to a method and system for determining a position using a one-way ranging technique. The present invention provides a method for determining a position of a target node in a wireless network, including a basic node, a first fixed node, a reference node, a target node, including: (a) calculating a time needed to directly transmit an RF signal originated from the reference node to the basic node and a time needed to arrive at the basic node via the first fixed node; (b) calculating a time needed to directly transmit the RF signal originated from the target node to the basic node and a time needed to arrive at the basic node via the first fixed node; and (c) determining the position of the target node based on the time calculated from steps (a) and (b). | 01-14-2010 |
20100008226 | METHOD OF ADJUSTING PCS THRESHOLD AND TERMINAL APPARATUS FOR HIGH DENSITY WIRELESS NETWORK - Provided are a method of adjusting a PCS threshold in a wireless network, and a terminal apparatus for the wireless network. The method and the apparatus determines whether to adjust the PCS threshold to use a shared channel for transmitting data in a wireless network based on a congestion status of the shared channel, and adjusts the PCS threshold based on a packet loss measured for a predetermined period of time. | 01-14-2010 |
20100004645 | INVASIVE DUAL-WAVELENGTH LASER ACUPUNCTURE - An invasive laser acupuncture includes a first semiconductor laser connected to a first optical fiber acupuncture and providing red-based laser beam with the first optical fiber acupuncture; a second semiconductor laser connected to a second optical fiber acupuncture and providing a green-based laser beam with the second optical fiber acupuncture; and a driving circuit independently driving the first semiconductor laser and the second semiconductor laser in a continuous mode or a pulse mode by a switching operation. Since red and green lasers can independently be driven in the continuous mode and the pulse mode, the red and green laser can easily be adopted in a reinforcing and reducing treatment method in traditional oriental medicine. In addition, by using a metal-coated optical fiber acupuncture, the optical fiber acupuncture is injected directly into meridian pathways provided under an epidermal layer, such that it is possible to efficiently transmit a laser beam without loss. | 01-07-2010 |