Lee, Cheongwon-Gun
Chang-Ick Lee, Cheongwon-Gun KR
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20120189489 | COMPLEX METAL OXIDE CATALYST, FILTER MODULE INCLUDING COMPLEX METAL OXIDE CATALYST, AND AIR CLEANER INCLUDING COMPLEX METAL OXIDE CATALYST - A complex metal oxide catalyst having a composition including about 5 to about 75 wt % of manganese (Mn); about 5 to about 55 wt % of copper (Cu); and about 3 to about 60 wt % of an active compound, based on a total weight of the complex metal oxide catalyst. The complex metal oxide catalyst has excellent low-temperature activity and improved catalyst efficiency so as to be repeatedly used, and thus is effectively used in a filter module and an air cleaner. | 07-26-2012 |
Dae-Yeon Lee, Cheongwon-Gun KR
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20100227534 | Lower Unit for Glass Polishing System and Glass Polishing Method Using the Same - A lower unit for a glass polishing system includes a support installed to a rotatable turntable, and a carrier having a supporting part for supporting a glass to be polished, and a placing part formed in a surface opposite to the supporting part and fixed and placed to the support. | 09-09-2010 |
20110223834 | APPARATUS AND METHOD FOR MONITORING GLASS PLATE POLISHING STATE - Disclosed are an apparatus and a method for monitoring a glass plate polishing state. The apparatus may include a location measuring unit for measuring a location on a glass plate being polished by a polishing machine, a current measuring unit for measuring an electric current flowing into the polishing machine, a memory unit for storing a reference value of the electric current flowing into the polishing machine for each polishing location of the glass plate, and a control unit for determining whether a polishing state is faulty, by comparing a value of the electric current measured by the current measuring unit for each polishing location measured by the location measuring unit with a corresponding reference value of the electric current stored in the memory unit for each polishing location. | 09-15-2011 |
Eun Jung Lee, Cheongwon-Gun KR
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20130202927 | PRISMATIC BATTERY HAVING ELECTROLYTE INJECTION-HOLE CAPABLE OF PROVIDING EXCELLENT SEALING ABILITY - Disclosed herein is a secondary battery having an electrode assembly mounted in a prismatic container, wherein the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container includes an upper part having a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward and a lower part having a non-chamfered structure continuously formed from the chamfered structure, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member deformed into a shape corresponding to the electrolyte injection hole comes into tight contact with the chamfered structure due to shear stress between the chamfered structure and the sealing member and forms a sealed state due to frictional interaction between the non-chamfered structure and the sealing member. Consequently, it is possible to reduce a defect rate of secondary batteries and to improve sealability of the electrolyte injection hole without welding. | 08-08-2013 |
20130216876 | SECONDARY BATTERY OF IMPROVED SEALABILITY - Disclosed herein is a secondary battery having an electrode assembly placed in a prismatic container, wherein an upper part of the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container is configured to have a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward, a lower part of the inside of the electrolyte injection hole is configured to have a non-chamfered structure, the chamfered structure is formed in an irregular shape to increase the length of an electrolyte leakage route along which an electrolyte leaks out of the secondary battery, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member is deformed so as to correspond to an internal structure of the electrolyte injection hole such that the electrolyte injection hole is sealed by the sealing member. | 08-22-2013 |
Hak-Chung Lee, Cheongwon-Gun KR
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20140362579 | OPTICAL PLATE FOR LIGHTING, AND LIGHTING APPARATUS USING SAME - The present invention relates to an optical plate for lighting capable of improving the brightness of light emitted from a light source and adjusting a viewing angle to alleviate side glare phenomenon. The present invention also relates to a lighting. The purpose of the present invention is to provide a structure in which a light-diffusing member and an optical viewing angle adjusting member can independently function; an integrated optical plate for lighting, wherein the thickness of the optical plate for lighting is reduced by the lamination of a light-diffusing member, a transmission layer, and an optical viewing angle adjusting member; a lighting apparatus using thereof. In order to achieve this purpose, the technical properties of an optical plate for lighting according to the present invention have a transmission layer between a light-diffusing member and an optical viewing angle adjusting member while a light-diffusing member, a transmission layer, and an optical viewing angle adjusting member are laminated together. | 12-11-2014 |
Hyun Ju Lee, Cheongwon-Gun KR
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20150100849 | MEMORY SYSTEM AND OPERATING METHOD THEREOF - A memory system and an operating method thereof are provided. The memory system includes a semiconductor memory device configured to perform a read operation and a controller configured to control the read operation of the semiconductor memory device, and the controller, by determining programmed states of memory cells located nearby selected memory cells, divides the selected memory cells into a plurality of groups depending on an amount of interference, and corrects data of one of the groups having a great amount of interference. | 04-09-2015 |
Hyun-Suck Lee, Cheongwon-Gun KR
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20160056444 | BATTERY PROTECTION CIRCUIT MODULE PACKAGE - Disclosed is a battery protection circuit module package capable of easily achieving high integration and size reduction. The battery protection circuit module package includes a terminal lead frame including a first internal connection terminal lead and a second internal connection terminal lead provided at two edges of the terminal lead frame and electrically connected to electrode terminals of a battery bare cell, and a plurality of external connection terminal leads provided between the first and second internal connection terminal leads and serving as a plurality of external connection terminals, and a device package including a substrate mounted on the terminal lead frame to be electrically connected to the terminal lead frame, and providing a battery protection circuit device thereon. | 02-25-2016 |
Jae-Hyeok Lee, Cheongwon-Gun KR
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20120073992 | BIOSENSOR BASED ON CARBON NANOTUBE-ELECTRIC FIELD EFFECT TRANSISTOR AND METHOD FOR PRODUCING THE SAME - Disclosed are a biosensor, a method of producing the same, and a method of detecting a biomaterial through the biosensor. The biosensor includes a substrate, an insulating layer, source and drain electrodes formed on the insulating layer, a middle-discontinuous channel provided between the source and drain electrodes, and a detection area on which a detection target material is to be fixed, covering the middle-discontinuous channel. | 03-29-2012 |
Jung Hwan Lee, Cheongwon-Gun KR
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20140035033 | SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - A semiconductor device and a fabrication method thereof are provided. The semiconductor device includes a P type well region and an N type well region formed in a substrate, a gate insulating layer having a non-uniform thickness and formed on the P type well region and the N type well region, a gate electrode formed on the gate insulating layer, a P type well pick-up region formed in the P type well region, and a field relief oxide layer formed in the N type well region between the gate electrode and the drain region. | 02-06-2014 |
20160141415 | SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - A semiconductor device and a fabrication method thereof are provided. The semiconductor device includes a P type well region and an N type well region formed in a substrate, a gate insulating layer having a non-uniform thickness and formed on the P type well region and the N type well region, a gate electrode formed on the gate insulating layer, a P type well pick-up region formed in the P type well region, and a field relief oxide layer formed in the N type well region between the gate electrode and the drain region. | 05-19-2016 |
Jun Hee Lee, Cheongwon-Gun KR
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20130210372 | MICRO ANTENNA FEEDER FOR WIDE BAND - The present invention relates to a micro wideband antenna feeder, and more particularly, to a micro wideband antenna feeder in which a quad scheme antenna and a cross dipole antenna are coupled to each other. The micro wideband antenna feeder includes: a quad scheme antenna; and a cross dipole antenna installed orthogonal to the quad scheme antenna and irradiating current distribution orthogonal to current distribution irradiated from the quad scheme antenna. According to preferred embodiments of the present invention, since phases 0, 90, 180, and 270 can be shifted by being designed as a feeding network PCB, a circularly polarized wave can be implemented. | 08-15-2013 |
Jun-Kyu Lee, Cheongwon-Gun KR
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20150137346 | STACKED SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD THEREOF - Disclosed herein is a stacked semiconductor package in which semiconductor chips having various sizes are stacked. In accordance with one aspect of the present disclosure, a stacked semiconductor package includes a first semiconductor chip structure provided with a first semiconductor chip, a first mold layer surrounding the first semiconductor chip, and a first penetration electrode passing through the first mold layer and electrically connected to the first semiconductor chip, and a second semiconductor chip structure vertically stacked on the first semiconductor chip structure and provided with a second semiconductor chip and a second penetration electrode electrically connected to the first penetration electrode, wherein the first semiconductor chip structure may have the same size as the second semiconductor chip structure. | 05-21-2015 |
Keun Bum Lee, Cheongwon-Gun KR
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20140307433 | REFLECTIVE DIFFUSION LENS AND LIGHTING INSTALLATION - A reflective diffusion lens may include a bottom surface concave toward a reflective surface, a longitudinal cross section of the bottom surface being formed in a parabolic shape or normal distribution shape such that light incident upon the bottom surface is incident upon the reflective surface, and the reflective surface concave toward the bottom surface. The reflective surface may include a concave surface having a longitudinal cross section formed in a parabolic shape or normal distribution shape to totally reflect the light transmitted from the bottom surface and incident upon the reflective surface. A lighting installation may include at least one light source to emit light, a reflective diffusion lens to collect light emitted from the light source, and a reflective plate positioned at a lower portion of the light source and adapted to adjust a direction or amount of light reaching the reflective plate. | 10-16-2014 |
Kyenam Lee, Cheongwon-Gun KR
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20140106481 | METHOD FOR WAFER LEVEL RELIABILITY - A method for ensuring wafer level reliability is provided. The method involves: forming a gate oxide layer having a thickness of less than 50 Å on a semiconductor substrate; forming a PMOS element having a channel length of less than 0.13 μm on the semiconductor substrate; and assessing hot carrier injection (HCI) for the PMOS element. | 04-17-2014 |
Kyong-Hun Lee, Cheongwon-Gun KR
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20110117846 | METHOD FOR USING vNote IN PORTABLE TERMINAL - A method for using vNote in a portable terminal is provided. The method includes requesting transmission of a vNote message, inserting a variable for setting the vNote message as a message to be used for a Bluetooth messenger into the vNote message, and transmitting the vNote message into which the variable for setting the vNote message is inserted as a message to be used for the Bluetooth messenger. | 05-19-2011 |
Pil Hee Lee, Cheongwon-Gun KR
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20090293216 | DETACHABLE MULTIFUNCTIONAL CLEANER - A detachable multifunctional cleaner comprises a handle which has an insertion piece downwardly protruded from one end; a cover which has an insertion hole at one side of an upper surface for inserting the insertion piece; and a foreign substance removing means which is detachably attached to the cover, wherein the insertion piece and the insertion hole are assembled on a vertical line Z with respect to a bottom surface of the cover, and at least one position determination protrusion and at least one position determination groove are formed in the insertion piece and the insertion hole, respectively, for determining the engaging position of the handle. | 12-03-2009 |
Sang Kyu Lee, Cheongwon-Gun KR
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20140063971 | SEMICONDUCTOR DEVICE AND METHOD OF OPERATING THE SAME - A method of operating a semiconductor device includes storing a supplying condition of a read voltage inputted from an external source into an internal register to perform a read operation of memory cells, performing the read operation repetitively with changing levels of the read voltage according to the supplying condition of the read voltage in the event that the number of error bits in a data read from the memory cells exceeds an allowable range, and storing an iteration number of the read operation in the internal register in case the number of the error bits falls within the allowable range. | 03-06-2014 |
Sang-Youn Lee, Cheongwon-Gun KR
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20130098513 | ULTRA-HIGH-STRENGTH STEEL BAR AND METHOD FOR MANUFACTURING SAME - This invention relates to an ultra-high-strength steel bar and to a method of manufacturing the same, in which the steel bar includes C: 0.05 to 0.45 wt %, Si: 0.10 to 0.35 wt %, Mn: 0.1 to 0.85 wt %, Cr: 0.6 to 1.20 wt %, and Mo: 0.05 to 0.35 wt %, with the remainder being Fe, wherein a martensite structure is formed at a surface layer and a fine ferrite structure is formed at a center layer. | 04-25-2013 |
Se Gyu Lee, Cheongwon-Gun KR
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20140284470 | LENS FOR ELECTRON CAPTURE DISSOCIATION, FOURIER TRANSFORM ION CYCLOTRON RESONANCE MASS SPECTROMETER COMPRISING THE SAME AND METHOD FOR IMPROVING SIGNAL OF FOURIER TRANSFORM ION CYCLOTRON RESONANCE MASS SPECTROMETER - A lens for electron capture dissociation may include: a first electrode and a second electrode spaced apart from each other and arranged along a first direction; and a third electrode and a fourth electrode spaced apart from each other and arranged along a second direction perpendicular to the first direction. The first electrode and the second electrode may be disposed in a space in which a magnetic field is formed in the first direction and trap electrons. The third electrode and the fourth electrode may be in the form of a flat plate and may apply an electric field to the trapped electrons in the second direction. | 09-25-2014 |
Seungtae Lee, Cheongwon-Gun KR
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20130202927 | PRISMATIC BATTERY HAVING ELECTROLYTE INJECTION-HOLE CAPABLE OF PROVIDING EXCELLENT SEALING ABILITY - Disclosed herein is a secondary battery having an electrode assembly mounted in a prismatic container, wherein the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container includes an upper part having a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward and a lower part having a non-chamfered structure continuously formed from the chamfered structure, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member deformed into a shape corresponding to the electrolyte injection hole comes into tight contact with the chamfered structure due to shear stress between the chamfered structure and the sealing member and forms a sealed state due to frictional interaction between the non-chamfered structure and the sealing member. Consequently, it is possible to reduce a defect rate of secondary batteries and to improve sealability of the electrolyte injection hole without welding. | 08-08-2013 |
Seung Tae Lee, Cheongwon-Gun KR
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20130216876 | SECONDARY BATTERY OF IMPROVED SEALABILITY - Disclosed herein is a secondary battery having an electrode assembly placed in a prismatic container, wherein an upper part of the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container is configured to have a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward, a lower part of the inside of the electrolyte injection hole is configured to have a non-chamfered structure, the chamfered structure is formed in an irregular shape to increase the length of an electrolyte leakage route along which an electrolyte leaks out of the secondary battery, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member is deformed so as to correspond to an internal structure of the electrolyte injection hole such that the electrolyte injection hole is sealed by the sealing member. | 08-22-2013 |
Su-Jin Lee, Cheongwon-Gun KR
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20130175509 | CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME - Embodiments of the present invention are directed to a condensed-cyclic compound and an OLED including the same. | 07-11-2013 |
Su-Young Lee, Cheongwon-Gun KR
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20140362579 | OPTICAL PLATE FOR LIGHTING, AND LIGHTING APPARATUS USING SAME - The present invention relates to an optical plate for lighting capable of improving the brightness of light emitted from a light source and adjusting a viewing angle to alleviate side glare phenomenon. The present invention also relates to a lighting. The purpose of the present invention is to provide a structure in which a light-diffusing member and an optical viewing angle adjusting member can independently function; an integrated optical plate for lighting, wherein the thickness of the optical plate for lighting is reduced by the lamination of a light-diffusing member, a transmission layer, and an optical viewing angle adjusting member; a lighting apparatus using thereof. In order to achieve this purpose, the technical properties of an optical plate for lighting according to the present invention have a transmission layer between a light-diffusing member and an optical viewing angle adjusting member while a light-diffusing member, a transmission layer, and an optical viewing angle adjusting member are laminated together. | 12-11-2014 |
Woo Young Lee, Cheongwon-Gun KR
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20160137072 | WIRELESS CHARGING SYSTEM - A wireless charging system of a vehicle includes: a transmitting coil module including a plurality of transmitting coils; and a receiving coil module including a plurality of receiving coils receiving power by electronic resonance with the plurality of transmitting coils. The plurality of transmitting coils have a winding structure which is formed by a conductive wire causing a direction of a magnetic field generated by any one of the plurality of transmitting coils different from a direction of a magnetic field generated by a transmitting coil directly adjacent to the one transmitting coil by making a current flow in the plurality of transmitting coils. | 05-19-2016 |
Yong Sil Lee, Cheongwon-Gun KR
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20080293182 | Method for Manufacturing Image Sensor - Disclosed are methods of manufacturing an image sensor. The method can include forming a microlens by depositing photoresist bubbles on a substrate. The photoresist bubbles can be formed and deposited using an inkjet scheme. A curing process of the photoresist can be performed during formation of the photoresist bubbles before the photoresist bubbles are deposited on the substrate. In one embodiment, the photoresist bubbles can be color photoresist bubbles to form a color microlens that can function as a color filter and a microlens. | 11-27-2008 |
Yongsup Lee, Cheongwon-Gun KR
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20150090866 | OPTICAL SENSOR SENSING ILLUMINANCE AND PROXIMITY - An optical sensor includes photodiodes and optical filters that are arranged on the photodiodes. The photodiodes and optical filters may be spaced apart from each other. The optical filters include an infrared blocking filter and at least one visible light filter and the optical sensor measures a light quantity of a specific wavelength band in a visible light band through the photodiodes, wherein a specific visible light filter is arranged on the photodiodes. Therefore, the optical sensor has a simplified structure and may function as an ambient illuminance sensor, a proximity sensor, and a color sensor. | 04-02-2015 |
Yoomin Lee, Cheongwon-Gun KR
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20130317638 | PROCESS FOR PREPARATION OF QUADRANGLE UNIT - Disclosed is a method of cutting one or more kinds of quadrangular unit pieces having a relatively small size from a quadrangular base material having a relatively large size using a cutter frame including a plurality of cutters to manufacture the quadrangular unit pieces, the method including (a) scanning a quadrangular base material in a longitudinal direction and in a lateral direction of the quadrangular base material to check positions of defects on the quadrangular base material, (b) calculating a yield when imaginarily cutting the quadrangular base material using two or more kinds of cutting frames, (c) selecting one of the cutting frames in which the yield calculated at the calculation step (b) is within a range of upper 30%, and (d) cutting the quadrangular base material using the cutting frame selected at the selection step (c) to manufacture quadrangular unit pieces. | 11-28-2013 |
Yoo-Min Lee, Cheongwon-Gun KR
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20120274939 | AUTOMATIC INSPECTION APPARATUS FOR DETECTING STAINS ON POLARIZING PLATE USING COLOR DIFFERENCE ANALYSIS AND INSPECTION METHOD THEREOF - There is provided an automatic inspection apparatus and method for detecting stains on a polarizing plate using color difference analysis. The automatic inspection apparatus includes an inspection unit including at least one reference polarizing plate and a target polarizing plate or polarizing element mounted on the at least one reference polarizing plate; a light source unit disposed on one surface of the inspection unit and irradiating the inspection unit with light; an imaging unit disposed on the other surface of the inspection unit, imaging the target polarizing plate or polarizing element, and transferring an image thereof; and an arithmetic operation unit performing color difference analysis for individual inspection regions of the image of the target polarizing plate or polarizing element transferred by the imaging unit and detecting a blurred stain. | 11-01-2012 |