Gwak, KR
Bongsik Gwak, Seoul KR
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20150130409 | WIRELESS POWER TRANSFER METHOD, APPARATUS AND SYSTEM - The present disclosure provides a wireless power transmitter, which is configured to transmit power to a wireless power receiver in a wireless manner. The wireless power transmitter includes a main body that is provided with a transmitting coil configured to transform a magnetic flux through a current change to transmit the wireless power, and a repeater that is provided with a repeating coil configured to receive the wireless power based on the magnetic flux transformation and transfer the received wireless power to the wireless power receiver, wherein the repeating coil faces the transmitting coil. | 05-14-2015 |
Byoung-Yong Gwak, Hwasung-City KR
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20130230961 | SEMICONDUCTOR MEMORY DEVICES AND METHODS OF FORMING THE SAME - According to example embodiments of inventive concepts, method of forming a semiconductor memory devices includes sequentially forming a first mold layer, a first support layer, a second mold layer, and a second support layer on a substrate, forming lower electrodes penetrating the second support layer, the second mold layer, the first support layer, and the first mold layer on the substrate, patterning the second support layer to form a second support pattern including an opening, removing the second mold layer to expose portions of sidewalls of the lower electrodes, and etching the exposed sidewalls of the lower electrodes. | 09-05-2013 |
Byoung-Yong Gwak, Suwon-Si KR
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20120231601 | Methods of fabricating a semiconductor device having metallic storage nodes - The present disclosure describes methods of fabricating a semiconductor device. An exemplary method includes forming a metal pattern on a substrate and etching the metal pattern using an etchant including at least an alkaline solution and an oxidant to form a metal electrode, where at least a portion of the surface of the metal electrode is uneven. | 09-13-2012 |
20140162427 | METHOD OF FORMING A FINE PATTERN OF A SEMICONDUCTOR DEVICE - A method of forming a fine pattern includes forming first line mask patterns on a mask layer to extend along a direction, forming second line mask patterns to extend along a diagonal direction with respect to the first line mask patterns, anisotropically etching the mask layer exposed by the first and second line mask patterns to form elliptical openings, and isotropically etching the mask layer provided with the openings to form a mask pattern with enlarged openings. | 06-12-2014 |
20140273471 | METHOD OF FORMING FINE PATTERNS OF SEMICONDUCTOR DEVICE - A method of forming fine patterns includes patterning a hard mask layer and a buffer mask layer sequentially stacked on a lower mask layer to form first openings, forming sacrificial patterns filling the first openings and protruding from a top surface of the buffer mask layer, forming a spacer pattern filling a space between two adjacent sacrificial patterns and having gaps each of which exposes a portion of the buffer mask layer between at least three adjacent sacrificial patterns, etching portions of the buffer mask layer exposed by the gaps of the spacer pattern to form enlarged holes, etching portions of the hard mask layer exposed by the enlarged holes to form second openings, and subsequently etching the lower layer using the hard mask layer as an etch mask. | 09-18-2014 |
20150093895 | SEMICONDUCTOR DEVICES AND FABRICATING METHODS THEREOF - Fabricating methods of a semiconductor device are provided. The fabricating methods may include forming a mold layer, forming a catalyst pattern including noble metal on the mold layer and etching the mold layer using the catalyst pattern as a catalyst. Etching the mold layer may include performing a wet etching process. | 04-02-2015 |
Cheol Gwak, Anyang-Si KR
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20130176862 | METHOD AND APPARATUS FOR DETECTING RADIO LINK FAILURE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of detecting a radio link failure in a wireless communication system is provided. A mobile station initializes a radio link failure (RLF) counter for detecting the radio link failure and determines whether decoding of a message on a downlink channel is successful. The mobile station decrements a value of the RLF counter if the decoding fails, and increments the value of the RLF counter if the decoding is successful, and declaring the radio link failure if the value of the RLF counter is less than or equal to a specific value. A decrement size of the value of the RLF counter varies according to a received signal strength of the downlink channel. | 07-11-2013 |
Dong-Yen Gwak, Seoul KR
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20100193595 | THE HEATING CONTROL SYSTEM AND METHOD FOR SAVING ENERGY - This invention relates to a heating control system for saving energy and its heating control method, in which system energy for heating rooms in a housing is reduced by separately heating individual rooms only during particular time periods in time/day selected by considering each room user's everyday living patterns. For this purpose, in the system, a plurality of saving time periods in time/day are stored in advance into a storage. If the user selects and sets at least one of the plurality of saving time periods for heating a room, a valve adjuster output valve control signals to a valve controller to open or close an auto valve corresponding to the room. The valve adjuster may be adapted of stand-alone type or of integrated type, in which integrated type the valve adjuster and a boiler adjuster are incorporated into a integrated adjuster. | 08-05-2010 |
Gyeong-Hyeon Gwak, Seoul KR
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20160109183 | MULTIPATH CROSS FLOW HEAT EXCHANGER - The present invention relates to a multipath cross flow heat exchanger and, more particularly, to a multipath cross flow heat exchanger, capable of preventing degradation of the cooling performance for cooling a superconductor which may occur when circulation of liquid nitrogen in a circulation tube is not efficient, by forming a cooling tube, in which a refrigerant for cooling liquid nitrogen flows, to intersect multiple times with the circulation tube, in which the liquid nitrogen is circulated, to thereby freeze the liquid nitrogen by the refrigerant. | 04-21-2016 |
Ho-Gil Gwak, Gyeonggi-Do KR
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20130120292 | METHOD AND APPARATUS FOR DESIGNATING ENTIRE AREA USING PARTIAL AREA TOUCH IN A PORTABLE EQUIPMENT - A portable device is configured to perform a touch input method. The method includes determining whether an input for selecting a specific divided area is detected in a divided touch area on a screen divided into a plurality of areas. The method also includes, if the input for selecting the specific divided area is detected, moving the selected specific divided area to the divided touch area. The method further includes, if a specific input occurs in the selected specific divided area moved to the divided touch area, performing a function of an item indicated by the specific input. | 05-16-2013 |
Hyo Geun Gwak, Chuncheon-Si, Gangwon-Do KR
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20140082001 | DIGITAL FORENSIC AUDIT SYSTEM FOR ANALYZING USER'S BEHAVIORS - A digital forensic audit system which extracts the event and the document file from the image, analyzes the event and the document file to visualize the event and document file in order to analyze a user's behaviors by scanning a usage trace and a file which is an image recorded in a window system, the system includes a document file extracting unit which extracts a logical level document file and an attribute of the document file from the image; an event extracting unit which extracts an event including time of occurrence from the image and extracts an event from an attribute of the document file related to the time (hereinafter, referred to as a time attribute), an analyzing unit which analyzes the document file or the event by the attribute and the time; and a visualizing unit which displays the analyzed result (hereinafter, referred to as an analysis result) on a time coordinate. | 03-20-2014 |
Hyojin Gwak, Incheon KR
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20120142945 | RECOVERY METHOD OF HIGHLY PURE LACTIC ACID AND ALKYL LACTATE - A method for recovery of highly pure alkyl lactate and lactic acid is provided, which includes a step 1 for producing source liquid comprising lactic acid or ammonium lactate; a step 2 for dehydrating the source liquid product of step 1; a step 3 for producing liquid mixture by sequentially adding and stirring alcohol and acid solution to the dehydrated source liquid; a step 4 for separating and removing ammonium salt precipitation from the liquid mixture of step 3; a step 5 for producing alkyl lactate from ammonium salt-free liquid mixture by esterification reaction; and a step 6 for separating alcohol and alkyl lactate by distillation from the mixture of step 5. | 06-07-2012 |
Hyoung-Sub Gwak, Daejeon KR
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20130190397 | NOVEL COMPOUND ACCELERATING SECRETION OF HUMAN-DERIVED ANTI-MICROBIAL PEPTIDE, METHOD FOR PREPARING SAME, AND COMPOSITION HAVING SAME AS ACTIVE INGREDIENT - Disclosed is a compound having an acceleration effect on the secretion of human β-defensin, LL-37, which is a human-derived anti-microbial peptide, a method for preparing same, and a composition for accelerating the secretion of anti-microbial peptide having same as an active ingredient, and the compound and the composition using same of the present invention enhance the anti-microbial effect and the immunity control effect that the anti-microbial peptide has in the body by accelerating the secretion of the anti-microbial peptide in the body. | 07-25-2013 |
Hyung Sub Gwak, Daejeon KR
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20130158047 | NOVEL HETEROCYCLIC COMPOUND, AND COMPOSITION FOR TREATING INFLAMMATORY DISEASES USING SAME - Provided are heterocyclic compounds, having effects of treating and preventing inflammatory diseases and treating skin wounds, and particularly, exhibiting effects of recovering disrupted skin barriers, mitigating inflammation, and pruritus. Also, a composition containing the compound as an effective component can be used to mitigate various inflammatory diseases and protease activated receptor-2 (PAR-2)-overexpressed diseases, and can be particularly used as a composition having an anti-inflammatory function in inflammatory skin diseases including atopic dermatitis and the like, by inhibiting PAR-2 activity. | 06-20-2013 |
20130165652 | NOVEL HETEROCYCLIC COMPOUND, AND COMPOSITION FOR TREATING INFLAMMATORY DISEASES USING SAME - The heterocyclic compound according to the present invention may treat and prevent inflammatory diseases and heal skin wounds, and particularly, have effects of recovering damaged skin barrier, reducing inflammation and pruritus in inflammatory skin diseases. In addition, the composition containing the compound according to the present invention as an active ingredient may be used to alleviate various inflammatory diseases and diseases in which PAR-2 is excessively expressed, and particularly, the composition may inhibit activity of PAR-2 in skin, such that the composition may be used as a composition having anti-inflammatory function in inflammatory skin diseases including atopic dermatitis, or the like. | 06-27-2013 |
Hyung-Sub Gwak, Dajeon KR
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20100173995 | Use of PPAR-alpha activator as inflammatory skin disease-treating agent and method for treating skin diseases using the same - Disclosed herein is the use of a non-natural compound represented by the following formula 1 as an activator of the peroxisome proliferator activated receptor-α (PPAR-α) which shows an anti-inflammatory effect on inflammatory skin diseases. The PPAR-α activator increases the expression of PPAR-α in the skin to enhance various physiological effects of PPAR-α, that is, the anti-inflammatory effect caused by inhibiting the activity of transcription factors such as the nuclear factor κK (NF-κK) that induces inflammatory reactions, the effect of improving the epidermal permeability barrier function of the skin, and the effect of promoting the terminal differentiation of epidermal keratinocytes. Thus, the PPAR-α activator is useful for the treatment, alleviation or amelioration of skin diseases such as acne, seborrheic dermatitis, viral skin diseases, urticaria, pruritus, viral infectious diseases and contact dermatitis. | 07-08-2010 |
Ik Won Gwak, Daejeon KR
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20150173415 | LOW IGNITION PROPENSITY CIGARETTE PAPER AND CIGARETTE USING THE SAME - A low ignition propensity cigarette paper includes a coating portion including a hydrophobic starch and a hydrophilic starch, and a plurality of pores including a micrometer-size pore and a nanometer-size pore, wherein the hydrophobic starch and the hydrophilic starch cover the micrometer-size pore and the nanometer-size pore. | 06-25-2015 |
20150257438 | LOW IGNITION PROPENSITY CIGARETTE PAPER AND CIGARETTE INCLUDING THE SAME - A low ignition propensity cigarette paper includes a first coating layer disposed in a combustion section combusted by smoking, and a second coating layer disposed in a cigarette butt section where smoking is finished, wherein a basis weight of the first coating layer is smaller than a basis weight of the second coating layer. | 09-17-2015 |
Jeong Gu Gwak, Songpa-Gu KR
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20140074203 | ELECTRICALLY BASED MEDICAL TREATMENT DEVICE AND METHOD - Embodiments of medical treatment including skin treatment using electrical energy, especially with the primary purpose for skin treatment for aesthetics are described generally herein. Other embodiments may be described and claimed. | 03-13-2014 |
Jihye Gwak, Daejeon KR
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20130076382 | Apparatus and Method for Measurement of Radiation Intensity for Testing Reliability of Solar Cell, and Method for Testing Reliability of Solar Cell - An apparatus and method for measurement of radiation intensity for testing reliability of a solar cell, and a method for testing the reliability of the solar cell. The apparatus includes a first solar cell receiving a predetermined intensity of radiation or more to generate electricity, a second solar cell receiving a predetermined intensity of radiation or more to generate electricity; a temperature sensor sensing a temperature of the second solar cell; a cooler cooling the first solar cell; and a controller measuring the intensity of radiation applied to the first solar cell, and controlling the cooler to prevent the temperature of the first solar cell from increasing above a predetermined temperature depending on the temperature of the second solar cell sensed by the temperature sensor. | 03-28-2013 |
20140065760 | METHOD OF FORMING ZINC OXIDE PROMINENCE AND DEPRESSION STRUCTURE AND METHOD OF MANUFACTURING SOLAR CELL USING THEREOF - A method of forming a nanometer-scale prominence and depression structure on a zinc oxide thin film in a wet-etching method, and the method includes the steps of: preparing a substrate; forming a nano structure having a height and a width of a nanometer range; forming the zinc oxide thin film on the substrate on which the nano structure is formed; and wet-etching the zinc oxide thin film, in which in the wet-etching step, zinc oxide having relatively low physical compactness is preferentially etched since the zinc oxide is positioned on the nano structure, and thus the prominence and depression structure is formed around the nano structure by the etching. | 03-06-2014 |
20140216552 | Method for Manufacturing CI(G)S-Based Thin Film Comprising CU-SE Thin Film Using CU-SE Two-Component Nanoparticle Flux, and CI(G)S-Based Thin Film Manufactured by the Method - A method for manufacturing a CI(G)S-based thin film using a Cu—Se two-component nanoparticle flux, and a CI(G)S-based thin film manufactured by the method are provided. The method for manufacturing the CI(G)S-based thin film, according to the present invention, comprises the steps of: manufacturing Cu—Se two-component nanoparticles and In nanoparticles; manufacturing a slurry comprising the Cu—Se two-component nanoparticles by mixing the Cu—Se two-component nanoparticles, a solvent, and a binder, and manufacturing a slurry comprising the In nanoparticles by mixing the In nanoparticles, a solvent, and a binder; forming a thin film in which a plurality of layers are laminated by alternately coating the slurry comprising the Cu—Se two-component nanoparticles and the slurry comprising the In nanoparticles on a substrate, regardless of order; and heat-processing the thin film which is formed. | 08-07-2014 |
20140326317 | METHOD OF FABRICATING COPPER INDIUM GALLIUM SELENIDE (CIGS) THIN FILM FOR SOLAR CELL USING SIMPLIFIED CO-VACUUM EVAPORATION AND COPPER INDIUM GALLIUM SELENIDE (CIGS) THIN FILM FOR SOLAR CELL FABRICATED BY THE SAME - A method of fabricating a CIGS thin film for solar cells using a simplified co-vacuum evaporation process and a CIGS thin film fabricated by the method are disclosed. The method includes: (a) depositing Cu, Ga and Se on a substrate having a substrate temperature ranging from 500° C. to 600° C. through co-vacuum evaporation, (b) depositing Cu, Ga, Se and In through co-vacuum evaporation while maintaining the same substrate temperature as in step (a), and (c) depositing Ga and Se through co-vacuum evaporation, followed by depositing Se alone through vacuum evaporation while lowering the temperature of the substrate. The method can realize crystal growth and band-gap grading by Ga composition distribution while simplifying process steps and significantly reducing a film-deposition time, as compared with a conventional co-vacuum evaporation process, thereby providing improvement in process efficiency. | 11-06-2014 |
20140338736 | METHOD FOR MANUFACTURING CZTS BASED THIN FILM HAVING DUAL BAND GAP SLOPE, METHOD FOR MANUFACTURING CZTS BASED SOLAR CELL HAVING DUAL BAND GAP SLOPE AND CZTS BASED SOLAR CELL THEREOF - A method for manufacturing a CZTS based thin film having a dual band gap slope, comprising the steps of: forming a Cu | 11-20-2014 |
20150114466 | CIGS Solar Cell Having Flexible Substrate Based on Improved Supply of Na and Fabrication Method Thereof - A CIGS solar cell having a flexible substrate based on improved supply of Na. The CIGS solar cell includes a substrate formed of a flexible material, a rear electrode formed on the substrate, a CIGS light-absorption layer formed on the rear electrode, a buffer layer formed on the CIGS light-absorption layer, and a front electrode formed on the buffer layer, wherein the rear electrode comprise a single-layered Na-added metal electrode layer. A single-layered Na-added Mo electrode layer, specific resistance of which is about 1/10th the specific resistance under conditions of a process of forming a typical multilayer rear electrode, is applied to the rear electrode, thereby providing a CIGS solar cell having a flexible substrate and high conversion efficiency. | 04-30-2015 |
20150162480 | METHOD OF MANUFACTURING CI(G)S-BASED THIN FILM HAVING REDUCED CARBON LAYER, THIN FILM MANUFACTURED BY THE METHOD, AND SOLAR CELL COMPRISING THE THIN FILM - Disclosed is a method of manufacturing a CI(G)S-based thin film, in which a slurry prepared by mixing two or more kinds of binary nanoparticles containing CI(G)S-based elements, a solution precursor containing a CI(G)S-based element, an alcoholic solvent and a chelating agent is used to reduce the carbon layer formed between the CI(G)S-based thin film and molybdenum, and which includes (a) mixing two or more kinds of binary nanoparticles containing CI(G)S-based elements, a solution precursor containing a CI(G)S-based element, an alcoholic solvent and a chelating agent, thus preparing a slurry; (b) subjecting the slurry to non-vacuum coating, thus forming a CI(G)S-based thin film; and (c) subjecting the CI(G)S-based thin film to selenization heat treatment. | 06-11-2015 |
20150287854 | METHOD OF FABRICATING A(C)IGS BASED THIN FILM USING Se-Ag2Se CORE-SHELL NANOPARTICLES, A(C)IGS BASED THIN FILM FABRICATED BY THE SAME, AND TANDEM SOLAR CELLS INCLUDING THE A(C)IGS BASED THIN FILM - A method of fabricating an Ag—(Cu—)In—Ga—Se (A(C)IGS) based thin film using Se—Ag | 10-08-2015 |
20150287868 | ULTRA THIN HIT SOLAR CELL AND FABRICATING METHOD OF THE SAME - Disclosed is an ultra-thin HIT solar cell, including: an n- or p-type crystalline silicon substrate; an amorphous silicon emitter layer having a doping type different from that of the silicon substrate; and an intrinsic amorphous silicon passivation layer formed between the crystalline silicon substrate and the amorphous silicon emitter layer, wherein the HIT solar cell further includes a transparent conductive oxide layer made of ZnO on an upper surface thereof, and the surface of the crystalline silicon substrate is not textured but only the surface of the transparent conductive oxide layer is textured, and thereby a very thin crystalline silicon substrate can be used, ultimately achieving an ultra-thin HIT solar cell having a very low total thickness while maintaining light trapping capacity. | 10-08-2015 |
20150303328 | METHOD OF FORMING CIGS ABSORBER LAYER FOR SOLAR CELL AND CIGS SOLAR CELL - A method of forming a CIGS absorber layer using a three-stage co-evaporation process, which can improve the efficiency of a solar cell in the case where Na concentration of a substrate is low and thus the depletion layer of the CIGS absorber layer is thick. The method includes a first stage of co-evaporating In, Ga and Se to deposit them; a second stage of co-evaporating Cu and Se to deposit them; and a third stage of co-evaporating In, Ga and Se to deposit them, wherein Ga supply through evaporation in the first stage is greater than Ga supply through evaporation in the third stage. | 10-22-2015 |
20160049533 | METHOD OF FORMING CHALCOPYRITE LIGHT-ABSORBING LAYER - Disclosed is a method of forming a chalcopyrite light-absorbing layer for a solar cell, including: forming a thin film including a chalcopyrite compound precursor; and radiating light on the thin film, wherein the chalcopyrite compound precursor absorbs light energy and is thus crystallized. When forming the chalcopyrite light-absorbing layer, light, but not heat, is applied, thus preventing problems, including damage to a substrate due to heat and formation of MoSe | 02-18-2016 |
20160099366 | SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME - A solar cell module, a method for manufacturing the solar cell module, a solar power system, and an interconnection ribbon are provided. The solar cell module includes a plurality of solar cells which are connected in series or in parallel through interconnection ribbons, wherein the interconnection ribbons have a zigzag shape to reduce tension generated according to bending of the solar cell module. | 04-07-2016 |
Jihye Gwak, Gyeonggi-Do KR
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20120103420 | CU-IN-ZN-SN-(SE,S)-Based Thin Film for Solar Cell and Preparation Method Thereof - A Cu-In-Zn-Sn-(Se,S)-based thin film for a solar cell and a preparation method thereof, and more particularly, to a Cu-In-Zn-Sn-(Se,S)-based thin film for a solar cell which can reduce an amount of In to be used and exhibit an excellent conversion efficiency and a preparation method thereof. | 05-03-2012 |
Ji-Hye Gwak, Daejeon KR
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20130045565 | METHOD OF MANUFACTURING HIGH DENSITY CIS THIN FILM FOR SOLAR CELL AND METHOD OF MANUFACTURING THIN FILM SOLAR CELL USING THE SAME - Disclosed are a high density CIS thin film and a method of manufacturing the same, which includes coating CIS nanopowders, CIGS nanopowders or CZTS nanopowders on a substrate by non-vacuum coating, followed by heat treatment with cavities between the nanopowders filled with filling elements such as copper, indium, gallium, zinc, tin, and the like. The high density CIS thin film is applied to a photo-absorption layer of a thin film solar cell, thereby providing a highly efficient thin film solar cell. | 02-21-2013 |
20160005899 | SOLAR CELL HAVING REAR BUFFER LAYER AND METHOD OF MANUFACTURING THE SAME - The invention relates a thin-film solar cell. In the related art, a buffer layer, a transparent electrode, and a grid electrode are formed on a light absorption layer, but in the invention, the buffer layer and the transparent electrode are not formed on a light absorption layer, and the buffer layer, the transparent electrode, and the grid electrode are formed under a CIGS face such that solar light is directly input to the light absorption layer without obstacles, and the first electrode and the buffer layer are patterned in a saw-toothed structure to engage with each other to reduce a distance by which electrons or holes generated by absorbing light energy move to the electrode or the buffer layer. | 01-07-2016 |
Jongseong Gwak, Seoul KR
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20140094108 | AIR CONDITIONER WITH IONIZER - The present invention relates to an air conditioner with an ionizer which comprises: an ionizer to generate ions mounted in the vicinity of an air outlet, a carrier to move the ionizer, and a controller to control the ionizer and the carrier. The controller controls the carrier to move the ionizer to an initial point when power is supplied to the air conditioner or the power is changed from turn off to turn on. The controller can control a position of the ionizer with the carrier in response to a sensing signal of a sensor which senses a position of a person. Accordingly, a range of ion diffusion can be controlled efficiently, and by making the ions to be discharged to a specific direction the user presents thereto, effective improvement of an ion effect the user feel can be improved. | 04-03-2014 |
Jung Gun Gwak, Changwon-Si KR
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20090293367 | SASH WINDOW HAVING PREFABRICATED GUIDE CHANNEL FOR CONSTRUCTION EQUIPMENT - A sash window having a prefabricated guide channel for construction equipment is provided, in which a prefabricated guide channel for supporting sash glass is detachably fixed to a sash frame mounted on a cab, and thus, when the sash glass is damaged or replacement of the sash glass is required, the sash glass can be replaced in a state where the sash frame is fixed to the cab. The sash window having a prefabricated guide channel for construction equipment includes a sash frame mounted on a cab, a first seal seated in an inner seat groove of the sash frame to support an edge of a first sash glass, a guide channel located outside the first seal and detachably fixed to the sash frame, and a second seal seated in an engagement groove of the guide channel to support an edge of a second sash glass. | 12-03-2009 |
Jung Mi Gwak, Gyeonggi KR
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20110286910 | Method Of Preparing Carbon Substrate For Gas Diffusion Layer Of Polymer Electrolyte Fuel Cell, Carbon Substrate Prepared By Using The Method, And System For Manufacturing The Same - A carbon substrate, method, and a system for manufacturing the same. The method includes forming an oxidized carbon precursor fiber preweb comprising oxidized carbon precursor staple fibers and binder staple fibers; impregnating the oxidized carbon precursor fiber preweb with a slurry including a thermosetting resin and carbonaceous fillers and drying the resulting preweb to obtain an oxidized carbon precursor fiber web; applying heat and pressure to the oxidized and impregnated carbon precursor fiber web, to cure the thermosetting resin and press the oxidized carbon precursor fiber web; and heating the oxidized carbon precursor fiber web in an inert atmosphere, thereby stabilizing and carbonizing the oxidized carbon precursor staple fibers to obtain a carbon substrate. The present invention may utilize a combination of carbon precursor staple fibers in an oxidized form with low ductility and high stiffness; and binder staple fibers composed of a polymer resin. | 11-24-2011 |
Jung Mi Gwak, Suwon-Si KR
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20140011118 | Carbon Substrate For Gas Diffusion Layer, Gas Diffusion Layer Using The Same, And Electrode For Fuel Cell, Membrane-Electrode Assembly And Fuel Cell Comprising The Gas Diffusion Layer - A carbon substrate for a gas diffusion layer that has a porosity gradient in a thickness direction thereof, a gas diffusion using the carbon substrate, an electrode and a membrane-electrode assembly for a fuel cell that include the gas diffusion layer, and a fuel cell including the membrane-electrode assembly having the gas diffusion layer are provided. The gas diffusion layer has improved water discharge ability and improved bending strength both in the machine direction and cross-machine direction. | 01-09-2014 |
Ki-Uk Gwak, Gwangju-Si KR
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20110279131 | CIRCUIT AND METHOD FOR MEASURING CAPACITANCE VALUE OF TOUCH SCREEN - A circuit for measuring a capacitance value of a touch screen includes: a target capacitor unit having a target capacitor charged with a target charging voltage; a target voltage control unit to charge the target capacitor; a reference capacitor unit having a reference capacitor charged with a charging reference voltage; a reference voltage control unit to charge the reference capacitor; a comparator to compare the target charging voltage and the charging reference voltage and output a transition signal at a moment when the target charging voltage becomes higher than the charging reference voltage; and a controller to receive an output signal of the comparator and a clock signal and generate a digital output signal and a control signal, wherein a capacitance value of the target capacitor is measured using a time elapsed from a time when the target capacitor is initialized to a time when the transition signal is outputted. | 11-17-2011 |
Seong-Min Gwak, Ulsan KR
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20130341972 | ROLLER BLIND APPARATUS FOR PANORAMIC SUNROOFS - A roller blind apparatus for panoramic sunroofs, in which front and rear roller blinds can be opened or closed by respective motors, thereby providing more convenience to a user. The apparatus includes front and rear roller blinds; a first drive means generating drive power for opening or closing the front roller blind; a second drive means generating drive power for opening or closing the rear roller blind such that the rear roller blind can be operated separately from the front roller blind; a power transmission unit that transmits the drive power of the first drive means so as to allow a moving glass to be operated in conjunction with the opening/closing motion of the front roller blind; and a control unit that controls a supply of electric power to the first and second drive means so as to control the motions of the front and rear roller blinds. | 12-26-2013 |
20130341973 | TWO-WAY INTERLOCK SLIDING SYSTEM AND ROLLER BLIND APPARATUS HAVNIG THE SAME - A two-way interlock sliding system and a roller blind apparatus having the system, which has a power transmission unit causing two drive units to interlock-slide using one motor, thereby realizing a simple construction of the apparatus. The roller blind apparatus includes a front roller blind provided in a sunroof of a vehicle, a rear roller blind interlocked with the front roller blind so as to be opened or closed simultaneously with the front roller blind; a drive means generating drive power; a moving glass operated in conjunction with opening or closing motions of the two roller blinds; a power transmission unit for transmitting the power of the drive means such that the moving glass can be operated in conjunction with the opening or closing motions of the two roller blinds; and a control unit for controlling the drive means so as to control operations of the two roller blinds. | 12-26-2013 |
Soyeong Gwak, Bupyeong-Gu KR
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20160118126 | NONVOLATILE MEMORY DEVICES AND PROGRAM METHOD THEREOF - A program method of a nonvolatile memory device is provided which includes programming memory cells to a target state using a verification voltage and an incremental step pulse, selecting memory cells, each having a threshold voltage lower than a supplementary verification voltage, from among the memory cells programmed to the target state, and applying a supplementary program voltage to the selected memory cells. The supplementary verification voltage is equal to or higher than the verification voltage, and the supplementary program voltage is equal to or lower than a program voltage provided in a program loop where a programming of the memory cells to the target state is completed. | 04-28-2016 |
Taehee Gwak, Gyeonggi-Do KR
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20130227326 | APPARATUS AND METHOD FOR CONTROLLING POWER OF ELECTRONIC DEVICE HAVING MULTI-CORE - A method of controlling on/off of a core based on a used amount of an operating core and the number of tasks in an electronic device having a multi-core, and an apparatus thereof, includes confirming a load of an operating core and the number of executable tasks at a predetermined period, determining whether the load of the operating core and the number of executable tasks meet a defined on/off condition of the multi-core, and controlling on/off of the multi-core when the load of the operating core and the number of executable tasks meet the defined on/off condition of the multi-core. | 08-29-2013 |
Won Sik Gwak, Gimpo-Si KR
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20150284315 | METHOD FOR PURIFYING 1,4-DIAMINOBUTANE, 1,4-DIAMINOBUTANE PURIFIED BY SAID METHOD, AND POLYAMIDE PREPARED THEREFROM - A purification method of 1,4-diaminobutane, 1,4-diaminobutane purified using the purification method, and a polyamide prepared using the purified 1,4-diaminobutane are provided. The purification method of 1,4-diaminobutane includes: concentrating a fermentation solution including at least one of 1,4-diaminobutane and a salt thereof to obtain a concentrate; adding a base to the concentrate of the fermentation solution to prepare an basic composition having a pH 12 or higher; and recovering 1,4-diaminobutane from the basic composition. | 10-08-2015 |
Won Sik Gwak, Masan-Si KR
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20140213824 | METHOD FOR SEPARATING AND PURIFYING 1,4-DIAMINOBUTANE FROM FERMENTED SOLUTION - The present invention relates to a method for separating and purifying 1,4-diaminobutane at high purity and high yield from a fermented solution comprising 1,4-diaminobutane, through cell mass removement, desalination, concentration, impurities removal, and recovery. Also, provided is a method for separating and purifying 1,4-diaminobutane at high purity and high yield from a fermented solution 1,4-diaminobutane, through cell mass removement, desalination, low-temperature concentration, crystallization, filtration, high-temperature concentration and distillation. | 07-31-2014 |
Won Sik Gwak, Gyeongsangnam-Do KR
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20140363859 | RECOMBINANT MICROORGANISM HAVING IMPROVED PUTRESCINE PRODUCING ABILITY AND METHOD FOR PRODUCING PUTRESCINE BY USING SAME - The present invention relates to a recombinant microorganism having enhanced ability to produce putrescine at high yield, wherein the activity of NCgl0101 is weakened in a microorganism of genus | 12-11-2014 |
Younghoon Gwak, Gyeongnam KR
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20120018434 | REFRIGERATOR HAVING SUBSIDIARY STORAGE COMPARTMENT - A refrigerator is disclosed. The refrigerator includes a cabinet comprising a storage compartment; a door rotatably provided in the cabinet, the door opening/closing the storage compartment; an subsidiary storage compartment provided in the door, with an open rear surface; and an opening/closing device provided in a rear surface of the door to open and close the rear surface of the subsidiary storage compartment. The opening/closing device includes a supporting member coupled to the subsidiary storage compartment; and a blocking member wound around the supporting member in a roll type. | 01-26-2012 |
Younghoon Gwak, Gyeongsangnam-Do KR
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20130119849 | REFRIGERATOR - A refrigerator includes an auxiliary shelf unfolded by being linked with an opening/closing of a second door which opens or closes a storage space defined in a first door. The second door covers the storage space and is rotated in the same direction as the first door. | 05-16-2013 |
Young Hoon Gwak, Gyeongsangnam-Do KR
Young Hoon Gwak, Changwon City KR
Patent application number | Description | Published |
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20090009043 | HOME BAR FOR REFRIGERATOR - Provided is a home bar for a refrigerator that has an improved structure for easy door opening and closing. The home bar includes a home bar frame, a home bar door, a fixing unit, and an elastic member. The home bar frame includes an opening. The home bar door is configured to close the opening. The fixing unit is disposed on the home bar frame and configured to latch the home bar door. The elastic member is disposed at a side of the fixing unit and configured to apply an elastic force for opening the home bar door. Although the home bar does not have an expensive latch structure, the home bar door can be easily opened, closed, and latched. The opening is large such that foods can be easily accessed through the opening. An additional insulating layer can be provided in the home bar door for improving insulating efficiency. | 01-08-2009 |
Young-Hoon Gwak, Changwon-Si KR
Patent application number | Description | Published |
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20080246380 | HOME BAR AND REFRIGERATOR INCLUDING THE HOME BAR - Provided are a home bar and a refrigerator including the home bar. The home bar includes a home-bar frame, a home-bar door, and a damping hinge. The home-bar frame is mounted on a refrigerator door around an opening formed through the refrigerator door. The home-bar door is rotatably mounted on the home-bar frame for selectively opening and closing the opening. The damping hinge is detachably installed on the home-bar frame and is coupled to a side of the home-bar door for dampening a rotation force of the home-bar door. Therefore, the home bar can be easily repaired or replaced with low costs. | 10-09-2008 |
20090309472 | REFRIGERATOR - Disclosed related to a refrigerator according to the present invention capable of preventing the drooping of bin when the bin is pulled out of the storage space. Further, the refrigerator does not need to fit guide device when users push the bin into the storage space, since the bin is completely separated from the guide device. | 12-17-2009 |
20120262046 | REFRIGERATOR - A refrigerator capable of preventing the drooping of a bin when the bin is pulled out of the storage space is provided. The refrigerator does not need to fit a guide device when users push the bin into the storage space, since the bin is completely separated from the guide device. | 10-18-2012 |
Young-Hoon Gwak, Busan City KR
Patent application number | Description | Published |
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20090064703 | ICE-MAKING DEVICE FOR REFRIGERATOR - The present invention relates to an ice-making device for a refrigerator. An ice-making device for a refrigerator according to the present invention comprises an ice maker | 03-12-2009 |
20090173098 | ICE-MAKING DEVICE FOR REFRIGERATOR - The present invention relates to an ice-making device for a refrigerator. The present invention provides an ice-making device for a refrigerator including a main body having a storage space and a door selectively opening or closing the storage space. The ice-making device comprises an ice maker installed on a backside of the door and making ice; a cold air duct provided in one side of the storage space and supplying the ice maker with a portion of cold air supplied to the storage space; an ice maker cover detachably installed on the backside of the door to selectively open or close the ice maker; and an ice bank detachably installed on the backside of the door below the ice maker, the ice bank storing ice made in the ice maker and transferring it to a dispenser provided on the door. According to the present invention, there is an advantageous in that a storage capacity of a refrigerator can be used to the full extent, and smell of food can be prevented from permeating ice in a process of making ice. | 07-09-2009 |
20090206717 | INSTALLATION STRUCTURE OF SHELF ASSEMBLY FOR REFRIGERATOR AND REFRIGERATOR COMPRISING THE SAME - The present invention relates to a shelf assembly mounting structure for a refrigerator and a refrigerator comprising the same. The present invention provides a shelf assembly mounting structure for a refrigerator, comprising: stoppers respectively provided both sides of a shelf assembly to be detachably installed in a storage space; a plurality of supporting ribs respectively provided on both side surfaces of the storage space to be vertically spaced apart from each other by a predetermined distance, the supporting ribs being formed to extend in a fore and aft direction of the storage space thus to support both side ends of a bottom surface of the shelf assembly; and a plurality of guide slots respectively provided in upper surfaces of the supporting ribs, the stopper sliding in the guide slot in a state where the stopper is positioned therein when the shelf assembly is moved in the fore and aft direction of the storage space, wherein if the shelf assembly is moved in the fore and aft direction of the storage space, the stopper is moved in the fore and aft direction along the guide slot and brought into contact with front and rear ends of the guide slot, whereby a moving distance of the shelf assembly is restricted. According to the present invention as described above, there are advantages in that it is possible to stably use the shelf and cold air can effectively flow in a storage space. | 08-20-2009 |
20110296689 | METHOD OF ASSEMBLING A REFRIGERATOR - A method of assembling a refrigerator including providing a main body having a storage chamber, providing a door having a door liner on one side of the door, providing a seating member, providing an ice maker for making ice, attaching the ice maker to the seating member, attaching the seating member to the door liner, providing an ice bank for storing ice, attaching the ice bank to the seating member below the ice maker, and rotatably attaching the door to the main body. | 12-08-2011 |
20110296864 | ICE-MAKING DEVICE FOR REFRIGERATOR - A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser. | 12-08-2011 |
20120272678 | ICE-MAKING DEVICE FOR REFRIGERATOR - A refrigerator including a main body having a storage chamber, a door provided to the main body to selectively open or close the storage chamber, the door including an outer door defining a front external appearance of the door, and a door liner defining a rear external appearance of the door, the door liner including support steps vertically extending along both sides of the door liner, a liner plate interconnecting the support steps, and a seating step horizontally extending from the door liner, the support steps and the seating step defining an installation space, an ice bank removably located on the door liner, and an ice maker cover located above the ice bank. | 11-01-2012 |
20130118201 | ICE-MAKING DEVICE FOR REFRIGERATOR - A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser. | 05-16-2013 |
20140083128 | ICE-MAKING DEVICE FOR REFRIGERATOR - A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser. | 03-27-2014 |
Yunho Gwak, Seoul KR
Patent application number | Description | Published |
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20150267100 | ANTIFREEZE MEMBER - An antifreeze member includes a metal substrate, and a first coating layer including a recombinant antifreeze protein in which a metal-binding protein is conjugated to a performance-enhancing reformed antifreeze protein, and being bonded to the metal substrate via the metal-binding protein. | 09-24-2015 |