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Jin-Woo Lee

Jin Woo Lee, Kihmae-City KR

Patent application numberDescriptionPublished
20090211833UPPER FRAME FOR CONSTRUCTION EQUIPMENT - An upper frame for construction equipment mounted to swing on a lower driving structure is provided, in which fixing pins for supporting a boom and a boom cylinder are coupled to left and right side plates that are welded on a base plate to face each other, and a plate-shaped joint connection plate is welded on the left and right side plates and the base plate, so as to support the left and right side plates by exhibiting the rigidity and flexibility against load being transferred to the fixing pins through a working device during working. The upper frame includes a base plate on which a driving means for swing the upper frame is mounted, left and right side plates vertically welded on the base plate to face each other and composed of inner and outer vertical plates to which a boom and a boom cylinder are rotatably fixed by fixing pins, respectively, and a joint connection plate having both sides welded on inner sides of the inner vertical plates and a lower end part welded on the base plate and supporting the left and right side plates by exhibiting rigidity and flexibility when reaction load from the boom is generated on the fixing pins due to load generated on the working device during working.08-27-2009

Jin Woo Lee, Kimhae-City KR

Patent application numberDescriptionPublished
20090007463Upper frame for excavator - An upper frame for an excavator is provided to smoothly transmit the load and shock which is transmitted through a mounting portion of a working device during operation (e.g., a lifting operation mode), to an upper frame by integrally installing a bracket for mounting a fuel tank or the like on an upper plate of the upper frame. The upper frame includes a center frame having a bottom plate and a pair of side plates and vertically welded to the bottom plate, a left side frame welded to the side plate of the center frame, a right side frame welded to the side plate of the center frame, an upper plate placed in the front of the center frame for supporting a bracket for a working device, to which a boom is pivotally secured, and an extended member integrally extended from one end of the upper plate for supporting desired parts.01-08-2009
20090185887HYDRAULIC CYLINDER HAVING ROD SAFETY DEVICE - A hydraulic cylinder having a rod safety device is provided, which can prevent a free falling of an arm and a bucket by fastening members when a welding part is broken to protect a cab and an operator. The hydraulic cylinder having a rod safety device which includes a cylinder rod sliding within a set stroke range in a tube and composed of a rod head and a rod body joint-connected to the rod head; a cover connected by weld joint to one end part of the tube; an end cover connected by weld joint to the other end part of the tube; a piston fastened to one end part of the cylinder rod to reciprocate along an inner periphery of the tube; and a connection means composed of a screw engagement part formed in center parts of mutual contact surfaces of the rod head and the rod body in a shaft direction to joint-connect the rod head and the rod body by screw-engaging the rod head and the rod body, and a weld joint part joint-connecting the rod head and the rod body by welding outer peripheries of the contact surfaces of the rod head and the rod body.07-23-2009

Patent applications by Jin Woo Lee, Kimhae-City KR

Jin Woo Lee, Uiwang-Si KR

Patent application numberDescriptionPublished
20090147499Light diffusion film with uniform surface roughness and low retardation value, display including the same, and associated methods - A light diffusion film includes a thermoplastic resin, a surface of the light diffusion film has a roughness (Ra) of about 0.5 to about 3 μm and a height distribution index (HDI) of about 3 to about 8 μm, and the light diffusion film has a retardation of not more than about 25 nm.06-11-2009
20100149648Method of extrusion molding prism film and prism film manufactured by the same - A method of extrusion molding a prism film and a prism film manufactured by the same, the method including providing a molten film, simultaneously forming a prism pattern and an embossed pattern on opposite surfaces of the molten film by passing the molten film through a gap between a prism roll and an emboss roll, and cooling the molten film having the prism pattern and the embossed pattern on opposite surfaces thereof.06-17-2010
20100151204Light diffusion film and method for manufacturing the same - A light diffusion film includes a thermoplastic resin, wherein a surface of the light diffusion film has an embossed pattern thereon, and the surface of the light diffusion film having the embossed pattern has a surface roughness (Ra) of about 0.5 μm to about 3 μm and a height distribution index (HDI) of about 3 μm to about 8 μm.06-17-2010
20110116014OPTICAL LAMINATE FILM, BACKLIGHT UNIT INCLUDING THE SAME, AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - An optical laminate film, a backlight unit, and a liquid crystal display module, the optical laminate film including a multilayer film composed of multiple layers including at least two polymers having different refractive indexes, the multilayer film transmitting only a light component vibrating in a direction parallel to one transmittance axis while reflecting other light components; an embossed diffusing film laminated on one side of the multilayer film, the embossed diffusing film having roughness on a surface thereof; and a microlens film laminated on another side of the multilayer film, the microlens film having microlenses arranged on a surface thereof.05-19-2011
20110164321DIFFUSING FILM HAVING MICRO LENS PATTERN AND EMBOSSED PATTERN - A diffusing film may have a microlens pattern and an embossed pattern on the surface thereof. The diffusing film includes a light entrance plane for receiving incident light, a light exit plane opposite the light entrance plane, the light exit plane for transmitting light, a plurality of microlenses on a surface of the light exit plane of the diffusing film, microlenses of the plurality of microlenses being spaced apart from one another, and a separation plane between the plurality of microlenses, the separation plane having an embossed pattern on a surface thereof.07-07-2011

Patent applications by Jin Woo Lee, Uiwang-Si KR

Jin Woo Lee, Gyeongsangbuk-Do KR

Patent application numberDescriptionPublished
20090073646IMAGE DISPLAY DEVICE - An image display device includes a body for displaying an image, a position adjusting device at a rear of the body for adjusting a height, a left/right angle, and a forward/backward slope of the body, a base, a support having an upper end rotatably coupled to the position adjusting device and a lower end rotatably coupled to the base, and a seating recess in an upper surface of the base for folding and placing the support therein, thereby permitting adjustment of the height, the left/right angle, and the forward/backward slope of the body.03-19-2009

Jin Woo Lee, Huntley, IL US

Patent application numberDescriptionPublished
20080247348Communication Between Mobile Terminals and Service Providers - An intermediate service provider operates to mediate communications between mobile terminals and various service providers. In one embodiment, the intermediate service provider and a given mobile terminal establish a persistent session supported by a logical communication channel that is used to convey communications for all of the various service applications implemented by the mobile terminal, i.e., a single, multiplexed channel. In another embodiment, common command subsystems are used to support the multiple service applications, thereby reducing overhead resulting from multiple protocol headers. In yet another embodiment, establishment of communications with various service providers begins with a single connection request message that specifies at least two selected service applications such that the intermediate service provider can establish communications with the multiple service providers in response to the single connection request message.10-09-2008

Jin Woo Lee, Busan KR

Patent application numberDescriptionPublished
20110263913DEVICE AND METHOD FOR CONTINUOUS HYDRATE PRODUCTION AND DEHYDRATION BY CENTRIFUGAL FORCE - Disclosed herein is an apparatus and method for continuously producing and dehydrating gas hydrates. The apparatus includes a gas source, a water source, a reactor, a spinning wheel, and a centrifugal separator. The gas source and the water source are connected to the reactor. Gas and water are respectively supplied from the gas source and the water source into the reactor and react with each other in the reactor to form gas hydrate slurry. The spinning wheel and the centrifugal separator are provided in the reactor. The spinning wheel supplies the formed gas hydrate slurry to the centrifugal separator. The centrifugal separator dehydrates the gas hydrate slurry. Water removed from the gas hydrate slurry by the dehydration of the centrifugal separator is re-supplied into the reactor.10-27-2011

Jin-Woo Lee, Kyeonggi-Do KR

Patent application numberDescriptionPublished
20110043427INTERNAL ANTENNA PROVIDING IMPEDANCE MATCHING FOR MULTIBAND - Disclosed is an internal antenna that provides impedance matching for multiple bands. The antenna includes an impedance matching part, which in turn includes a first conductive element electrically coupled to a feeding point and a second conductive element electrically coupled to a ground, and at least one radiator electrically coupled to the first conductive element, where the first conductive element and the second conductive element of the impedance matching part are separated by a particular distance to perform coupling matching and are electrically coupled at a pre-designated position. Certain aspects of the present invention can be utilized to provide wide band characteristics in designing for multi-band applications, even for high-frequency bands.02-24-2011

Jin-Woo Lee, Daejeon Metropolitan City KR

Patent application numberDescriptionPublished
20100036067CATALYST SYSTEM FOR OLEFIN POLYMERIZATION COMPRISING TRIOXASILOCANE AND METHOD FOR OLEFIN POLYMERIZATION USING THE SAME - The present invention relates to a catalyst system for olefin polymerization and a method for olefin polymerization using the same. More particularly, the present invention relates to a Ziegler-Natta catalyst system for olefin polymerization comprising a transition metal compound as a main catalyst component, an organic metal compound as a cocatalyst component, and a cyclic organosilane compound, trioxasilocane as an external electron donor, and a method for olefin polymerization using the same. According to the present invention, a polyolefin having improved various properties such as polymerization activity, melt-flow ability, isotacticity, molecular weight distribution and apparent density can be produced.02-11-2010

Jin-Woo Lee, Seongnam-Si KR

Patent application numberDescriptionPublished
20090097214Electronic chip embedded circuit board and method of manufacturing the same - Provided is a method of manufacturing a device-embedded circuit board. The method includes: preparing a first substrate with a first pattern portion comprising a conductive material; coupling, for example, an electronic chip to the first substrate; preparing a second substrate with a first through hole corresponding to a part of the first pattern portion, a housing portion for housing the electronic chip, and a first connection portion comprising a conductive material formed in the first through hole; preparing a third substrate with a second through hole corresponding to the first through hole and a second connection portion comprising a conductive material formed in the second through hole; aligning and coupling the first, second and third substrates so that the first pattern portion, the first connection portion and the second connection portion are electrically connected.04-16-2009

Jin-Woo Lee, Gyunggi-Do KR

Patent application numberDescriptionPublished
20100062520Biomaterial Measuring Device and Manufacturing Method Thereof - A method of producing a biomaterial measuring device is disclosed. The method includes forming a plurality of reactions elements, to which an assay reagent is applied, on a first substrate, cutting the resulting first substrate in a unit of individual reaction element, and attaching a first substrate piece, which is formed by cutting the resulting first substrate in the unit of individual reaction element, to a predetermined portion of a second substrate. In the biomaterial measuring device, since a material cost in minimized and it is easy to automate production, it is possible to reduce a production, it is possible to reduce a production cost.03-11-2010

Jin-Woo Lee, Seoul KR

Patent application numberDescriptionPublished
20090197329APPARATUS AND METHOD FOR SEPARATING BIOLOGICAL PARTICLES USING DIFFERENCE BETWEEN GRAVITY AND MAGNETIC FORCE - Disclosed is an apparatus and method for injecting liquid-drops of particle mixture liquid including a mixture of biological particles, affecting magnetic field, and having only positive particles, which are combined with magnetic responsive material, separated by magnetic force, and having negative particles, which are not combined with magnetic responsive material, precipitated by gravity.08-06-2009
20090267702PRINTED CIRCUIT BOARD FOR DECREASING WIRELESS WIDE AREA NETWORK NOISE - A printed circuit board (PCB) capable of decreasing wireless wide area network (WWAN) noise generated due to internal signal interference occurring in the PCB is disclosed. The PCB printed circuit board includes a first layer, a second layer, and at least one insulating layer formed between the first and second layers. The PCB board further includes a first signal line group disposed on the first layer while including a plurality of first signal lines each supplying a first signal, isolation patterns disposed on the first layer such that the isolation patterns are arranged between adjacent ones of the first signal lines, respectively, to prevent the adjacent first signal lines from interfering with each other, and a second signal line group disposed on the second layer while including a plurality of second signal lines each supplying a second signal different from the first signal. The second signal line group corresponds to the isolation patterns.10-29-2009
20090267706RESONATOR AND FABRICATION METHOD THEREOF - A resonator fabrication method is provided. A method includes providing a plurality of electrode patterns disposed apart from each other on a substrate using a nano-imprint technique; and forming an extended electrode pattern connected to a plurality of electrode patterns, and forming a nano structure laid across an extended electrode patterns. Therefore, a nano-electromechanical system (NEMS) resonator is easily fabricated at a nanometer level.10-29-2009
20110039032Method of manufacturing polymer dispersed liquid crystal display device including dichroic dye - Example embodiments relate to a method of manufacturing a polymer dispersed liquid crystal (PDLC) display device including dichroic dye. The method may include filling a mixture solution including liquid crystals, a photopolymerizable material, dichroic dyes, and liquid crystalline polymers in a space between a first electrode and a second electrode that face each other; applying an electric field between the first electrode and the second electrode; and arranging the dichroic dyes in the mixture solution.02-17-2011

Patent applications by Jin-Woo Lee, Seoul KR

Jin-Woo Lee, Yongin-Si KR

Patent application numberDescriptionPublished
20090127609Method of fabricating recess channel transistor having locally thick dielectrics and related devices - Provided are a method of fabricating a recess channel transistor and a related semiconductor device. The method may include forming a first gate trench on a substrate, forming a dielectric spacer on a sidewall of the first gate trench, forming a second gate trench on the substrate under the first gate trench, and forming a gate electrode to fill the trenches. The dielectric spacer may remain between the gate electrode and the substrate.05-21-2009
20090152625Recessed channel transistor - A recessed channel transistor includes a single crystalline silicon substrate having a recessed portion, a bottom surface of the recessed portion including an elevated central portion, a channel doping region in the single crystalline silicon substrate, the channel doping region being under the bottom surface of the recessed portion, a gate structure in the recessed portion, and source/drain regions in the single crystalline silicon substrate at both sides of the recessed portion, the source/drain regions being spaced apart from the bottom surface of the recessed portion.06-18-2009
20090176342Method of fabricating semiconductor device having deifferential gate dielectric layer and related device - A semiconductor device and method of fabricating a semiconductor device are provided. The method includes forming a gate trench in a semiconductor substrate to define source/drain regions. The source/drain regions are separated from each other by the gate trench, and the semiconductor substrate is exposed through the gate trench. The semiconductor substrate has impurities of a first conductivity type. The source/drain regions have impurities of a second conductivity type different from the first conductivity type. The concentration of the second conductivity type impurities increases as the impurities approach the surfaces of the source/drain regions. A differential gate dielectric layer is formed along the surfaces of the source/drain regions and the semiconductor substrate exposed through the gate trench. A gate electrode filling the gate trench is formed. The differential gate dielectric layer has a first thickness between the gate electrode and the semiconductor substrate and has a second thickness greater than the first thickness between the gate electrode: and the source/drain regions.07-09-2009
20100237408Recessed channel transistor - A recessed channel transistor includes an isolation layer provided in a semiconductor substrate to define an active region. A trench is provided in the semiconductor substrate to extend across the active region. A gate insulation layer covers a sidewall and a bottom face of the trench and an upper face of the semiconductor substrate adjacent to an upper edge of the trench, wherein a portion of the gate insulation layer on the upper surface of the semiconductor substrate adjacent to the upper edge of the trench and on the sidewall of the trench extending to a first distance downwardly from the upper edge of the trench has a thickness greater than that of a portion of the gate insulation layer on the remaining sidewall and the bottom face of the trench. A gate electrode fills up the trench having the gate insulation layer formed therein.09-23-2010

Patent applications by Jin-Woo Lee, Yongin-Si KR

Jin-Woo Lee, Daejeon KR

Patent application numberDescriptionPublished
20100144975Polypropylene Resin Composition With Good Transparence And Good Impact Strength - Provided is a polypropylene resin composition having excellent impact resistance, impact strength at low temperature and transparence comprising ethylene-alpha olefin copolymer (c) to a polypropylene resin composition in which the ratio of viscosity is regulated by adjusting molecular weight of propylene-alpha olefin random copolymer (a) and propylene-alpha olefin elastic copolymer (b), thereby regulating impact resistance and flexural modulus of the polypropylene resin composition and improving transparence; therefore, applying as various products including cold-storage containers for freezer and refrigerator, food packaging container, extrusion blow molding material, film, sheet and bottle cap, etc.06-10-2010
20100216955METHOD OF PRODUCING HIGHLY TRANSPARENT POLYPROPYLENE INCLUDING PREPOLYMERIZATION STEP - Disclosed is a method of preparing a highly transparent polypropylene comprising a step of prepolymerizing an α-olefin and a vinyl cyclic saturated hydrocarbon in the presence of a Zegler-Natta catalyst and an external electron donor, wherein a step of adding and prepolymerizing the α-olefin is followed by a step of adding and prepolymerizing the vinyl cyclic saturated hydrocarbon. The method provides polypropylene having superior tacticity and transparency with not decreasing the activity of the polymerization catalyst at the polymerization of propylene.08-26-2010

Jin-Woo Lee, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20080296670Semiconductor Devices Including Transistors Having a Recessed Channel Region and Methods of Fabricating the Same - Some embodiments of the present invention provide semiconductor devices including a gate trench in an active region of a semiconductor substrate and a gate electrode in the gate trench. A low-concentration impurity region is provided in the active region adjacent to a sidewall of the gate trench. A high-concentration impurity region is provided between the low-concentration impurity region and the sidewall of the gate trench and along the sidewall of the gate trench. Related methods of fabricating semiconductor devices are also provided herein.12-04-2008
20090114967TRANSISTORS HAVING A CHANNEL REGION BETWEEN CHANNEL-PORTION HOLES AND METHODS OF FORMING THE SAME - According to some embodiments of the invention, transistors have channel regions between channel-portion holes. Methods of forming the same include at least two channel-portion holes disposed in a semiconductor substrate. Line patterns are formed in parallel to be spaced apart from each other on a main surface of the semiconductor substrate to fill the channel-portion holes. A channel region is disposed in the semiconductor substrate below the line patterns. At this time, the channel region is formed between the channel-portion holes and also covers lower portions of the channel-portion holes. Driving current capability and refresh characteristics of DRAMs utilizing the inventive transistors are improved.05-07-2009
20090191683METHOD OF FORMING TRANSISTOR HAVING CHANNEL REGION AT SIDEWALL OF CHANNEL PORTION HOLE - According to some embodiments of the invention, a method of forming a transistor includes forming a device isolation layer in a semiconductor substrate. The device isolation layer is formed to define at least one active region. A channel region is formed in a predetermined portion of the active region of the semiconductor substrate. Two channel portion holes are formed to extend downward from a main surface of the semiconductor substrate to be in contact with the channel region. Gate patterns fill the channel portion holes and cross the active region. The resulting transistor is capable of ensuring a constant threshold voltage without being affected by an alignment state of the channel portion hole and the gate pattern.07-30-2009
20100102385Semiconductor Devices Including Transistors Having Recessed Channels - Semiconductor devices including an isolation layer on a semiconductor substrate are provided. The isolation layer defines an active region of the semiconductor substrate. The device further includes an upper gate electrode crossing over the active region and extending to the isolation layer and lower active gate electrode. The lower active gate electrode includes a first active gate electrode extending from the upper gate electrode to the active region and a second active gate electrode below the first active gate electrode and having a greater width than a width of the first active gate electrode. The device further includes a lower field gate electrode that extends from the upper gate electrode to the isolation layer and has a bottom surface that is at a lower level than a bottom surface of the active gate electrode such that the sidewalls of the active region are covered below the lower active gate electrode. Related methods of fabricating semiconductor devices are also provided herein.04-29-2010
20100170791BIOSENSOR AND READOUT METER - The present invention relates to a biosensor for selectively performing quantitative analysis on a specific substance contained in a biological sample and a readout meter using the same. The inventive biosensor comprises an electrode for recording identification information of the biosensor thereon. The electrode has an electrode pattern and a plurality of contact points formed thereon according to the identification information, and the identification information is recorded on the electrode based on the ratio of resistances between the plurality of contact points. According to the present invention, various items of identification information such as in07-08-2010

Patent applications by Jin-Woo Lee, Gyeonggi-Do KR

Jin-Woo Lee, Seongnam Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100132291STEEL PLATE STRUCTURE AND STEEL PLATE CONCRETE WALL - A steel plate structure and a steel plate concrete wall are disclosed. A steel plate structure, which includes: a pair of steel plates, which are separated to provide a predetermined space; a structural member, which is positioned in the predetermined space, and which is structurally rigidly joined to one side of the steel plate in the direction of gravity; and a strut, which maintains a separation distance between the pair of steel plates, can be utilized to reduce the overall thickness of a steel plate concrete wall for efficient use of space, and to reduce the thickness of the steel plates for better welding properties and larger unit module sizes. Also, the axial forces or lateral forces applied on the steel plate concrete wall may be effectively resisted.06-03-2010