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Jong Won

Jong Won Baek, Busan KR

Patent application numberDescriptionPublished
20100212935HIGHLY FOAMED COAXIAL CABLE - A highly foamed coaxial cable comprising, an inner conductor disposed in the cable, and a foamed insulator comprising porous cells and surrounding the inner conductor, and an outer conductor surrounding said insulator, and a sheath surrounding said outer conductor, and in said insulator, the total area of macro cell which has a diameter of at least 300/M is larger than the total area of micro cell which has a diameter smaller than 300/M at cross section of cable.08-26-2010

Jong Won Choi, Daejeon KR

Patent application numberDescriptionPublished
20100126713Fluid Collecting Apparatus - A fluid collecting apparatus inserted in a borehole for collecting fluid in the borehole. The fluid collecting apparatus may include a first packer and a second packer which are selectively adhered to an inside of the borehole, a first supply pipe and a second supply pipe which supply expansion fluid to each of the first packer and the second packer, and a guide tube which guides fluid in a collecting space between the first packer and the second packer to an outside of the borehole. Also, the second supply pipe moves with the second packer in a longitudinal direction of the borehole, and a passage which does not communicate with the first supply pipe is formed. Accordingly, the fluid collecting apparatus may independently control the first and second packers, and thus fluid in a desired depth and region within the borehole may be easily collected.05-27-2010

Jong Won Chung, Gimpo-Si KR

Patent application numberDescriptionPublished
20120126207Organic Semiconductor Composition, And Transistor And Electronic Device Including A Polymer Therefrom - An organic composition for a semiconductor device includes a compound for an organic semiconductor device including a structural unit; and a metal-containing compound selected from a transition element-containing compound, a lanthanide-containing compound, and a combination thereof, which results in improved charge mobility due to a reduced grain boundary.05-24-2012

Jong Won Jang, Daejeon KR

Patent application numberDescriptionPublished
20080214837Synthetic Method of Optically Pure (S)-3-Hydroxypyrrolidine - A method of preparing optically pure (S)-3-hydroxypyrrolidine is disclosed. The present invention provides a method of economically and industrially preparing optically and chemically pure (S)-3-hydroxypyrrolidine, through a process comprising introducing an amine protecting group by using optically pure 4-amino-(S)-2-hydroxybutylic acid as a starting material, reducing a carboxylic acid group into a primary alcohol, removing the amine protecting group to form an amine salt, halogenating the primary alcohol, and amine cyclization; and through a simple purification process, i.e., distillation under reduced pressure. As another method, the present invention provides a method of preparing optically and chemically pure (S)-3-hydroxypyrrolidine, through a process comprising esterifying optically pure 4-amino-(S)-2-hydroxybutylic acid as a starting material, lactam cyclization, and reduction.09-04-2008

Jong Won Kang, Seoul KR

Patent application numberDescriptionPublished
20100041124MULTI-STAGE CSTR BIOREACTOR SYSTEM EQUIPPED WITH CELL RECYCLE UNIT - The present invention relates to a single CSTR bioreactor equipped with a cell recycle unit, and a multi-stage CSTR bioreactor system in which 2-7 such single CSTR bioreactors are connected in series with each other. According to the present invention, multi-stage fermentation is carried out in the bioreactor equipped with the cell recycle unit, and thus the production of products (alcohols, organic acids, antibiotics, recombinant proteins, etc.) by anaerobic or aerobic microbial fermentation can be increased, and in addition, a final product can be obtained at high concentration, thus improving the productivity and economic efficiency of a microbial process.02-18-2010

Jong Won Kim, Suwon-Si KR

Patent application numberDescriptionPublished
20090083562CONVERTIBLE COMPUTER - A convertible computer is equipped with a notebook computer function and a tablet computer function. When a system power supply is turned on, a functionality or physical configuration such as rotation state of a display module can be detected, and an environment can be controlled such as an operating system (OS) for a tablet computer or notebook computer is selectively booted. Input signals of input units can also be controlled in an activation or inactivation state according to a system mode. An operation of switch sensing an open/closed state of a liquid crystal display (LCD) can be controlled by a signal generated by the rotation operation of the display module. In a state in which at least one control value necessary for setting a system environment is stored in a memory, the system mode switching operation is monitored and the system environment is set according to the switched system mode.03-26-2009

Patent applications by Jong Won Kim, Suwon-Si KR

Jong Won Kim, Seoul KR

Patent application numberDescriptionPublished
20100304365MUTATION OF PRPS1 GENE CAUSING CMTX5 DISEASE AND THE USE THEREOF - Disclosed is a gene mutation associated with peripheral neuropathy associated with sensorineural hearing loss and optic neuropathy. More specifically, disclosed are: a polynucleotide comprising a mutation associated with peripheral neuropathy associated with sensorineural hearing loss and optic neuropathy, or a complementary polynucleotide thereof; a polynucleotide which hybridizes with said polynucleotide; a polypeptide which is encoded by said polynucleotide; an antibody which binds to said polypeptide; and a microarray chip and a kit, which comprise said polynucleotide. Also disclosed are a method for diagnosing a syndrome of peripheral neuropathy associated with sensorineural hearing loss and optic neuropathy, a method for detecting the mutation, and a method for screening drugs for treating these diseases.12-02-2010
20120028256METHOD FOR PROVIDING INFORMATION ON ANTIDEPRESSANT THERAPEUTIC EFFECT USING SINGLE NUCLEOTIDE POLYMORPHISM - Disclosed is a method for providing information on the therapeutic effect of an SSRI antidepressant by identifying TPH2 gene polymorphism rs4760815, SLC6A4 gene polymorphism 5-HTTLPR, SLC6A4 gene polymorphism rs2066713, GAD1 gene polymorphism rs3828275, and GRIK2 gene polymorphism rs543196. Through the disclosed method, it is possible to select an antidepressant based on genetic information, to prevent the worsening or relapse of depression, and to establish customized depression treatment models which are effective in the development of customized new drugs, and appropriate for Korean people. Therefore, the base of domestic clinical trials can be expanded, which will enhance competitive power in the pharmaceutical market and preoccupy technology of drug prediction.02-02-2012

Patent applications by Jong Won Kim, Seoul KR

Jong Won Kim, Gwangju KR

Patent application numberDescriptionPublished
20080205856ADAPTIVE MEDIA PLAYOUT METHOD AND APPARATUS FOR INTRA-MEDIA SYNCHRONIZATION - Disclosed is a buffer-based adaptive media playout method in a receiver side of a network media streaming system. The method includes: calculating a playout interval for playing out a current j-th frame (where j is a natural number) of a received media stream; and playing out the current j-th frame after the calculated playout interval has elapsed from the reception of the current j-th frame. The calculation of the playout interval for playing out the current j-th frame of the received media stream includes: calculating a buffer level of a (j+w)-th frame (where w is a natural number); estimating a playout pause or a playout skip on the basis of the calculated buffer level; and calculating the playout interval for playing out the current j-th frame for the predicted one of the playout pause and the playout skip. According to the above-mentioned structure, it is possible to reduce the amount of temporal distortion, such as the RMSE value of playout discontinuity due to delay or jitter, as compared to the buffer-threshold-based media playout techniques according to the related art.08-28-2008
20090125474USER PREFERENCE-BASED DATA ADAPTATION SERVICE SYSTEM AND METHOD - The present invention relates to a user preference-based data adaptation service system and method. More particularly, the present invention relates to a user preference-based data adaptation service system and method capable of providing a data adaptation service that appropriately converts a file in consideration of a difference between the platforms of different kinds of devices in order to share the file, and reflecting an exact user preference in consideration of the surrounding environments, such as, the performance of the device and a network.05-14-2009
20110289145METHOD FOR DETECTING DISTRIBUTED PEER TO TRANSMIT MULTIMEDIA DATA IN WIRELESS PEER-TO-PEER NETWORK - Disclosed are a wireless peer to peer network system, a distributed peer discovering method for transmitting multimedia data in a wireless peer to peer network, and a method for responding to a request signal for requesting transmission of multimedia data in the wireless peer to peer network. An exemplary embodiment of the present invention provides a distributed peer discovering method for transmitting multimedia data in a wireless peer to peer network, the method including: transmitting a request signal including information on multimedia data to be requested by a first terminal, to neighboring terminals; when at least one second terminal having the requested multimedia data receives the request signal, determining a backoff duration in accordance with at least one of a signal to interference noise ratio of the request signal, an idle reproduction buffer capacity of the second terminal, and a remaining battery capacity of the second terminal and transmitting a response signal to the first terminal after standing by during the determined backoff duration; and transmitting a message for requesting transmission of the multimedia data to the second terminal transmitting the response signal first received by the first terminal.11-24-2011

Patent applications by Jong Won Kim, Gwangju KR

Jong Won Oh, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20110097730Recombinant Sars-Cov nsp12 and the Use of Thereof and the Method for Producing it - The present invention relates to a recombinant severe acute respiratory syndrome coronavirus (SARS-CoV) non-structural protein (nsp) 12 with an RNA polymerase activity, its expression vector, its preparation method, and its use. According to the present invention, a soluble recombinant SARS-CoV nsp12 with an RdRp activity of initiating SARS-CoV genome synthesis can be over-expressed in the transformed host cells, and conveniently purified with high purity. An in vitro replication system important for studying SARS-CoV replication can be established with the purified recombinant SARS-CoV nsp12. SARS-CoV nsp12 produced by the present invention can also be used as a target for the development of anti-viral agents against SARS-CoV. In addition, materials inhibiting RNA-dependent RNA polymerase (RdRp) activity of nsp12 can be screened efficiently according to the present invention as the optimal conditions for the RdRp assay with SARS-CoV nsp12 were found.04-28-2011

Jong Won Park, Daejeon KR

Patent application numberDescriptionPublished
20110254300AUTOMATED SHACKLE ASSEMBLY - Disclosed is a shackle assembly used for delivering a steel structure in a construction field, the shackle assembly including a shackle body, first, second, and third shackle pins, first and second elastic means, a vertical movement mean, and a control means. Thanks to the plurality of shackle pins and the plurality of elastic means, the shackle assembly can reduce its weight and manufacturing cost. Also, in spite of the light weight and the low cost of the shackle assembly, stability and efficiency in its working can be sufficiently secured.10-20-2011

Jong Won Park, Seoul KR

Patent application numberDescriptionPublished
20080272321SIDE INLET-TYPED SOLENOID VALVE - A solenoid valve for a slip control system in a vehicle is disclosed. A flow passage is provided in which working fluid such as oil that generates a break hydraulic pressure flows from the side of a solenoid valve through a filter, flows to the front of a plunger through a side hole formed in a valve body of the solenoid valve, and then flows along the side of valve body, that is, is discharged out of an outlet through a side space between valve body and a valve seat. Therefore, linear pressure control is easy because working fluid flows into toward the front of valve plunger through a side inlet of solenoid valve and the entire size is reduced because a special channel for guiding working fluid to the front of the valve plunger is not needed in a pump housing case.11-06-2008

Jong Won Seo, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100285784METHOD FOR TRANSMITTING A HAPTIC FUNCTION IN A MOBILE COMMUNICATION SYSTEM - Disclosed is a method and system for transmitting a haptic function within a communication system. The method includes: inserting, by a first mobile terminal, haptic information corresponding to a selected vibration into a call setup request message and transmitting the call setup request message to a network server when a haptic service is executed; analyzing, by the network server, the haptic information, generating a vibration code corresponding to the haptic information, inserting the vibration code into the call setup request message, and transmitting the call setup request message to at least one second mobile terminal; and executing, by the second mobile terminal, a corresponding haptic function according to the vibration code included in the call setup request message when receiving the call setup request message.11-11-2010

Jong Won Yoon, Daejeon KR

Patent application numberDescriptionPublished
20110275786PROCESS FOR PURIFYING VANCOMYCIN WET BODY - Provided is a process for purifying a vancomycin wet body, comprising: dissolving a wet body obtained from a microorganism-fermented solution containing vancomycin into a water soluble solvent to a concentration of about 1 to 40 g/L and carrying out reverse osmosis filtration; and carrying out lyophilization of the filtered vancomycin. The process for purifying a vancomycin wet body provides high-purity vancomycin, while avoiding degradation of stability during a drying step.11-10-2011

Jong-Won Choi, Seoul KR

Patent application numberDescriptionPublished
20100159358SEPARATOR FOR FUEL CELL AND FUEL CELL COMPRISING THE SAME - A separator for a fuel cell is provided. The separator comprises a flow path member and a base separator. The flow path member is made of a graphite foil and has a flow path through which fluids pass. The base separator has a seating recess formed on the surface thereof. The flow path member is mounted in the seating recess. The flow path is formed by pressing the graphite foil. The separator can be produced at reduced processing cost in a short processing time.06-24-2010

Jong-Won Chung, Cheongju-Si KR

Patent application numberDescriptionPublished
20120128950FUNCTIONAL INORGANIC BOARD AND MANUFACTURING METHOD THEREOF - The present invention relates to an inorganic board comprising a base layer containing magnesium-based inorganic materials and phase change materials, and to a method for producing the board. The inorganic board of the present invention employs magnesium-based inorganic materials instead of plaster used in conventional boards, and thus improves the strength and water resistance thereof as compared to conventional plaster boards. Accordingly, the board of the present invention is formed so as to be thin, and the content of the phase change materials in the base layer increases by the superior blending ratio of magnesium-based inorganic materials and phase change materials, thus maintaining the indoor temperature of the structure constructed by the board of the present invention at a comfortable level. Therefore, the inorganic board of the present invention can be effectively used in interior materials or the like for a building, which require strength and water resistance properties.05-24-2012

Jong-Won Ha, Gyeongsangbuk-Do KR

Patent application numberDescriptionPublished
20110017000SLIDE APPARATUS FOR MOBILE COMMUNICATION TERMINAL - Provided is a slide apparatus of a mobile communication terminal including: a first slide member fixed on a lower body of a mobile communication terminal; a second slide member that is fixed on an upper body of the mobile communication terminal and slideably coupled to the first slide member; and a torsion assembly providing torsion to the second slide member when the second slide member slides toward the first slide member, wherein the torsion assembly comprises: a first spring that is formed of a first coil that is wound in a circle and a first extension portion extending from a first end of the first coil, and is disposed between the first slide member and the second slide member, wherein an end of the first extension portion is coupled to the second slide member; a second spring that is formed of a second coil that is wound in a circle and stacked above or below the first coil and a second extension portion extending from a first end of the second coil, and is disposed between the first slide member and the second slide member, wherein an end of the second extension portion is coupled to the first slide member; and a coupling member coupling second ends of the first coil and the second coil.01-27-2011

Jong-Won Lee, Seoul KR

Patent application numberDescriptionPublished
20110049419CATHODE ACTIVE MATERIAL, CATHODE INCLUDING THE SAME AND LITHIUM BATTERY INCLUDING CATHODE - A cathode active material, a cathode including the cathode active material, and a lithium battery including the cathode. A lithium manganese phosphate cathode active material having an olivine structure represented by Li03-03-2011
20110081599ELECTRODE CATALYST FOR FUEL CELL, METHOD OF PREPARING ELECTRODE CATALYST, AND FUEL CELL USING ELECTRODE CATALYST - Non-platinum (Pt) electrode catalysts for fuel cells, methods of manufacturing the same, and fuel cells including the non-Pt electrode catalysts. Each of the non-Pt electrode catalysts for fuel cells includes at least palladium (Pd) and iridium (Ir), and further includes a metal, oxide of the metal, or mixture thereof for compensating for the activity of Pd and Ir.04-07-2011
20110151354Electrode catalyst for fuel cell, method of manufacturing the same, and fuel cell using the Electrode catalyst - An electrode catalyst for a fuel cell includes a complex support including at least one metal oxide and carbon-based material; and a palladium (Pd)-based catalyst supported by the complex support. A method of manufacturing the electrode catalyst includes dissolving a precursor of a palladium (Pd)-based catalyst in a solvent and preparing a mixture solution for a catalyst; adding a complex support including at least one metal oxide and a carbon-based material to the mixture solution for a catalyst and stirring the mixture solution to which the complex support is added; drying the mixture solution for a catalyst, to which the complex support is added, in order to disperse the precursor of the Pd-based catalyst on the complex support; and reducing the precursor of the Pd-based catalyst dispersed on the complex support. A fuel cell includes the electrode catalyst.06-23-2011
20120074595SEMICONDUCTOR PACKAGE - A semiconductor package includes a first substrate on which a first semiconductor chip is mounted, a second substrate spaced apart from the first substrate and on which a second semiconductor chip is mounted, first pads disposed on the first substrate, second pads disposed on the second substrate to be opposite to the first pads, and connection patterns electrically connecting the opposite first and second pads to each other, respectively. The first pads are disposed asymmetrically with respect to the central axis of the first substrate.03-29-2012

Patent applications by Jong-Won Lee, Seoul KR

Jong-Won Lee, Daejeon KR

Patent application numberDescriptionPublished
20120045707ANODE SUPPORTED FLAT-TUBE SOFC AND MANUFACTURING METHOD THEREOF - Disclosed is an anode supported flat-tube solid oxide fuel cell including: a stack including a plurality of unit cells layered therein, each of the unit cells having an anode support, wherein within the anode support, a flow path allowing a fuel gas to flow is formed, and on a surface of the anode support, an electrolyte, a cathode, and an interconnect layer are provided, wherein the interconnect layer positioned between the unit cells constituting the stack is formed by a paste obtained by mixing an electrical conductive material with glass, and on the interconnect layer formed by the paste, a metallic mesh for drawing out a current collection wire is disposed.02-23-2012

Jong-Won Lee, Daegu KR

Patent application numberDescriptionPublished
20100068315Composition Comprising an Extract of Gramineae Plant for the Prevention and Treatment of Ischemic Diseases and Degenerative Brain Diseases and the Use Thereof - The present invention relates to a composition comprising extracts of Gramineae plant that improves cell viability under hypoxic conditions by inhibiting apoptosis. Thus, the extract of 03-18-2010
20100143513Composition Comprising Starch Or Dietary Fiber From Gramineae Plant For Prevention And Treatment Of Ischemic Diseases And Degenerative Brain Disease - The present invention relates to a composition comprising a starch or total dietary fiber which improves the cell viability, specifically, the inventive starch and total dietary fiber isolated from the extract of Gramineae plant and the components therefrom improved the cell viability when the cells were incubated under hypoxic condition, or in the presence of beta-amyloid and 6-hydroxydopamine treatment, as well as prevented and treated myocardiac infarction, cerebral infarction and vascular dementia, or alleviated memory loss, all of which were proven using rats as the respective animal models. Therefore, they can be used as therapeutics or health care food for preventing and treating ischemic diseases or degenerative brain diseases.06-10-2010
20100267436METHOD AND SYSTEM FOR OPERATING ONLINE 8-DIRECTION BATTLE GAME USING PERSONAL COMPUTER - A method and system for operating an online 8-direction battle game using a personal computer (PC) are provided. The system operates the 8-direction battle game through interfacing with a game providing module to provide the 8-direction battle game in an online mode with a PC. The system includes an auto-targeting unit to automatically target an object to perform a battle against a character designated by a user of the PC in the 8-direction battle game, the object being within a predetermined range from a position of the character, and a game controller to automatically control a direction in which the character faces the object based on a distance between the object and the character.10-21-2010

Jong-Won Lee, Watervliet, NY US

Patent application numberDescriptionPublished
20110305903SHEATHED NANOTUBE FIBER AND METHOD OF FORMING SAME - Embodiments of the invention provide a cellulose-sheathed carbon nanotube fiber. One aspect of the invention provides a sheathed nanotube fiber comprising: a carbon nanotube fiber; and a cellulose sheath extending co-axially along at least a first portion of a length of the carbon nanotube fiber. Another aspect of the invention provides a method of forming a sheathed carbon nanotube fiber, the method comprising: co-electrospinning a carbon nanotube fiber gel core within a cellulose solution sheath.12-15-2011

Jong-Won Lee, Hwaseong-Si KR

Patent application numberDescriptionPublished
20120122283METHODS OF MANUFACTURING A SEMICONDUCTOR DEVICE - A method includes forming a plurality of dummy gate structures on a substrate, each dummy gate structure including a dummy gate electrode and a dummy gate mask, forming a first insulation layer on the substrate and the dummy gate structures to fill a first space between the dummy gate structures, planarizing upper portions of the first insulation layer and the dummy gate structures, removing the remaining first insulation layer to expose a portion of the substrate, forming an etch stop layer on the remaining dummy gate structures and the exposed portion of the substrate, forming a second insulation layer on the etch stop layer to fill a second space between the dummy gate structures, planarizing upper portions of the second insulation layer and the etch stop layer to expose the dummy gate electrodes, removing the exposed dummy gate electrodes to form trenches, and forming metal gate electrodes in the trenches.05-17-2012

Jong-Won Lim, Daejeon KR

Patent application numberDescriptionPublished
20080251858FIELD EFFECT TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME - A field effect transistor having a T- or Γ-shaped fine gate electrode of which a head portion is wider than a foot portion, and a method for manufacturing the field effect transistor, are provided. A void is formed between the head portion of the gate electrode and a semiconductor substrate using an insulating layer having a multi-layer structure with different etch rates. Since parasitic capacitance between the gate electrode and the semiconductor substrate is reduced by the void, the head portion of the gate electrode can be made large so that gate resistance can be reduced. In addition, since the height of the gate electrode can be adjusted by adjusting the thickness of the insulating layer, device performance as well as process uniformity and repeatability can be improved.10-16-2008
20090146184SEMICONDUCTOR DEVICE WITH T-GATE ELECTRODE AND METHOD FOR FABRICATING THE SAME - Provided are a semiconductor device with a T-gate electrode capable of improving stability and a high frequency characteristic of the semiconductor device by reducing source resistance, parasitic capacitance, and gate resistance and a method of fabricating the same. In the semiconductor device, in order to form source and drain electrodes and the T-gate electrode on a substrate, first and second protective layers constructed with silicon oxide layers or silicon nitride layers are formed on sides of a supporting part under a head part of the T-gate electrode, and the second protective layer constructed with a silicon oxide layer or silicon nitride layer is formed on sides of the source and drain electrodes. Accordingly, it is possible to protect an activated region of the semiconductor device and reduce gate-drain parasitic capacitance and gate-source parasitic capacitance.06-11-2009
20090146724SWITCHING CIRCUIT FOR MILLIMETER WAVEBAND CONTROL CIRCUIT - Provided is a switching circuit for a millimeter waveband control circuit. The switching circuit for a millimeter waveband control circuit includes a switching cell disposed on a signal port path to match an interested frequency and including at least one transistor coupled vertically to an input/output transmission line and a plurality of ground via holes disposed symmetrically in an upper portion and a lower portion of the input/output transmission line; capacitors for stabilizing a bias of the switching cell; and bias pads coupled in parallel to the capacitor to control the switching cell. Therefore, the switching circuit may be useful to improve its isolation by simplifying its design and layout through the use of symmetrical structure of optimized switching cells without the separate use of different switch elements, and also to reduce its manufacturing cost through the improved yield of the manufacturing process and the enhanced integration since it is possible to reduce a chip size of an integrated circuit in addition to its low insertion loss.06-11-2009
20090170250TRANSISTOR OF SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a transistor of a semiconductor device and method of fabricating the same. The transistor includes: an epitaxy substrate disposed on a semi-insulating substrate and having a buffer layer, a first Si planar doping layer, a first conductive layer, a second Si planar doping layer, and a second conductive layer, which are sequentially stacked, the second Si planar doping layer having a doping concentration different from that of the first Si planar doping layer; a source electrode and a drain electrode diffusing into the first Si planar doping layer to a predetermined depth and disposed on both sides of the second conductive layer to form an ohmic contact; and a gate electrode disposed on the second conductive layer between the source and drain electrodes and being in contact with the second conductive layer. In this structure, both isolation and switching speed of the transistor can be increased. Also, the maximum voltage limit applied to the transistor is increased due to increases in gate turn-on voltage and threshold voltage and a reduction in parallel conduction element. As a result, the power handling capability of the transistor can be improved, thus improving a high-power low-distortion characteristic and an isolation characteristic.07-02-2009
20100133551HIGH-SPEED OPTICAL INTERCONNECTION DEVICE - Provided is a high-speed optical interconnection device. The high-speed optical interconnection device includes a first semiconductor chip, light emitters, optical detectors, and a second semiconductor chip, which are disposed on a silicon-on-insulator (SOI) substrate. The light emitters receive electrical signals from the first semiconductor chip to output optical signals. The optical detectors detect the optical signals to convert the optical signals into electrical signals. The second semiconductor chip receives the electrical signals converted by the optical detectors.06-03-2010
20110037521POWER AMPLIFIER HAVING DEPLETION MODE HIGH ELECTRON MOBILITY TRANSISTOR - Provided is a power amplifier including: a depletion mode high electron mobility transistor (D-mode HEMT) configured to amplify a signal inputted to a gate terminal and output the amplified signal through a drain terminal; an input matching circuit configured to serially ground the gate terminal; and a DC bias circuit connected between the drain terminal and a ground. Through the foregoing configuration, the HEMT may be biased only by a single DC bias circuit without any biasing means to provide a negative voltage. Also, superior matching characteristic may be provided in various operation frequency bands through a shunt inductor and a choke inductor.02-17-2011
20110057237SEMICONDUCTOR DEVICES AND METHODS OF FORMING THEREOF - Provided is a semiconductor device. The semiconductor device includes: a substrate; an active layer on the substrate; a capping layer on the active layer; source/drain electrodes on the capping layer; a gate electrode on the active layer; and a first void region on a first sidewall of the gate electrode and a second void region on a second sidewall facing the first sidewall.03-10-2011
20110143505METHOD FOR FABRICATING FIELD EFFECT TRANSISTOR - Provided is a method for fabricating a field effect transistor. In the method, an active layer and a capping layer are formed on a substrate. A source electrode and a drain electrode is formed on the capping layer. A dielectric interlayer is formed on the substrate, and resist layers having first and second openings with asymmetrical depths are formed on the dielectric interlayer between the source electrode and the drain electrode. The first opening exposes the dielectric interlayer, and the second opening exposes the lowermost of the resist layers. The dielectric interlayer in the bottom of the first opening and the lowermost resist layer under the second opening are simultaneously removed to expose the capping layer to the first opening and expose the dielectric interlayer to the second opening. The capping layer of the first opening is removed to expose the active layer. A metal layer is deposited on the substrate to simultaneously form a gate electrode and a field plate in the first opening and the second opening. The resist layers are removed to lift off the metal layer on the resist layers.06-16-2011

Patent applications by Jong-Won Lim, Daejeon KR

Jong-Won Moon, Annyang-Si KR

Patent application numberDescriptionPublished
20110032460IN-PLANE SWITCHING MODE TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An in-plane switching mode transflective liquid crystal display device includes: first and second substrates; a gate line and a data line on an inner surface of the first substrate, the gate line and the data line crossing each other to define a pixel region; a common line parallel to the gate line; a thin film transistor connected to the gate and data lines; a first passivation layer over the thin film transistor; a reflecting layer over the first passivation layer; a second passivation layer over the reflecting layer; a pixel electrode over the second passivation layer; a third passivation layer over the pixel electrode; a common electrode over the third passivation layer, the common electrode connected to the common line, the common electrode including a plurality of first openings along a first direction in the transmissive area and a plurality of second openings along a second direction different from the first direction in the reflective area; a color filter layer on an inner surface of the second substrate; and a liquid crystal layer between the first and second substrate.02-10-2011

Jong-Won Park, Suwon-Si KR

Patent application numberDescriptionPublished
20090313139PRODUCT PROVIDING APPARATUS AND METHOD FOR PROVIDING GUI USING THE SAME - A product providing apparatus and a method for providing a GUI using the same are provided. The product providing apparatus includes a display unit, a payment unit, and a control unit which determines the form of payment and controls images corresponding to products to be displayed. Therefore, it is possible to provide a user with a menu field more conveniently and more intuitively.12-17-2009

Patent applications by Jong-Won Park, Suwon-Si KR

Jong-Won Park, Daejeon City KR

Patent application numberDescriptionPublished
20090039005Portable apparatus for purifying waste water - There is provide a portable apparatus for purifying waste water, which comprises: a first filter for primarily filtering contaminated water, a tank for sterilizing the contaminated water flowing through the first filter and for generating a precipitate by cohering impurities contained in the contaminated water by use of a composite precipitator including a plurality of elements, and a second filter for secondarily filtering the contaminated water flowing from the tank, to extract drinking water, wherein the tank uses a pump to repeatedly circulate the contaminated water through the first filter and the tank and to agitate the contaminated water with the composite precipitator being put into the tank at a predetermined time, and the tank includes a first jet pipe and a second jet pipe which form a number of spray nozzles to protrude from their outer surfaces in different orientation to form a vortex in the tank, and wherein only the single pump is used for all of the inflow and sterilization of the contaminated water and the circulation and agitation upon the precipitation and the extraction of the drinking water, thereby providing a simple structure that one tank solves a multi-step process, making it easy to move and install the apparatus, and reducing the manufacturing costs thereof.02-12-2009

Jong-Won Woo, Gunpo-Si KR

Patent application numberDescriptionPublished
20100055228EJECTOR FOR INJECTION MOLDING MACHINE AND MOVING PLATE INCLUDING THE SAME - Disclosed herein is an ejector for an injection molding machine used to extract a molded product formed inside a die, the ejector including: a first ejector plate which is movably installed in a moving plate for fixing the die; a second ejector plate which is separably connected to the first ejector plate; and an ejector pin which is installed in at least one of the first and second ejector plates so as to push outward the molded product.03-04-2010