Choe, KR
Byeong Gwon Choe, Paju-Si KR
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20140080382 | GRINDING APPARATUS AND METHOD FOR FABRICATION OF LIQUID CRYSTAL DISPLAY DEVICE - There is disclosed a grinding apparatus for fabrication of a liquid crystal display device that is adaptive for improving the adsorption defect of a substrate onto a substrate stage. A grinding apparatus for fabrication of a liquid crystal display device disclosed in the present invention includes a plurality of substrate stage configured to make a linearly bi-directional movement; first and second grinding parts disposed in a series at an area to which the substrate stage moves; first to third aligning parts disposed at both ends of the first and second grinding parts and therebetween; and first and second cleaning parts disposed between the first and second grinding parts and the first and second aligning parts so as to clean the substrate stage. | 03-20-2014 |
Byeong Gwon Choe, Gyeonggi-Do KR
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20100304643 | GRINDING APPARATUS AND METHOD FOR FABRICATION OF LIQUID CRYSTAL DISPLAY DEVICE - There is disclosed a grinding apparatus for fabrication of a liquid crystal display device that is adaptive for improving the adsorption defect of a substrate onto a substrate stage. A grinding apparatus for fabrication of a liquid crystal display device disclosed in the present invention includes a plurality of substrate stage configured to make a linearly bi-directional movement; first and second grinding parts disposed in a series at an area to which the substrate stage moves; first to third aligning parts disposed at both ends of the first and second grinding parts and therebetween; and first and second cleaning parts disposed between the first and second grinding parts and the first and second aligning parts so as to clean the substrate stage. | 12-02-2010 |
Byeong-In Choe, Yongin-City KR
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20110222340 | FLASH MEMORY DEVICE AND OPERATING METHOD FOR CONCURRENTLY APPLYING DIFFERENT BIAS VOLTAGES TO DUMMY MEMORY CELLS AND REGULAR MEMORY CELLS DURING ERASURE - Integrated circuit flash memory devices, such as NAND flash memory devices, include an array of regular flash memory cells, an array of dummy flash memory cells and an erase controller. The erase controller is configured to concurrently apply a different predetermined bias voltage to the dummy flash memory cells than to the regular flash memory cells during an erase operation of the integrated circuit flash memory device. Related methods are also described. | 09-15-2011 |
20130100735 | Flash Memory Device and Operating Method for Concurrently Applying Different Bias Voltages to Dummy Memory Cells and Regular Memory Cells During Erasure - Integrated circuit flash memory devices, such as NAND flash memory devices, include an array of regular flash memory cells, an array of dummy flash memory cells and an erase controller. The erase controller is configured to concurrently apply a different predetermined bias voltage to the dummy flash memory cells than to the regular flash memory cells during an erase operation of the integrated circuit flash memory device. Related methods are also described. | 04-25-2013 |
Byeong-In Choe, Gyeonggi-Do KR
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20090001451 | NON-VOLATILE MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - A method of fabricating a semiconductor device includes forming a fin-shaped active region including opposing sidewalls and a surface therebetween protruding from a substrate, forming a gate structure on the surface of the active region, and performing an ion implantation process to form source/drain regions in the active region at opposite sides of the gate structure. The source/drain regions respectively include a first impurity region in the surface of the active region and second impurity regions in the opposing sidewalls of the active region. The first impurity region has a doping concentration that is greater than that of the second impurity regions. Related devices are also discussed. | 01-01-2009 |
20110079838 | NON-VOLATILE MEMORY DEVICE - A method of fabricating a semiconductor device includes forming a fin-shaped active region including opposing sidewalls and a surface therebetween protruding from a substrate, forming a gate structure on the surface of the active region, and performing an ion implantation process to form source/drain regions in the active region at opposite sides of the gate structure. The source/drain regions respectively include a first impurity region in the surface of the active region and second impurity regions in the opposing sidewalls of the active region. The first impurity region has a doping concentration that is greater than that of the second impurity regions. Related devices are also discussed. | 04-07-2011 |
Byeong-In Choe, Yongin-Si KR
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20100214844 | Memory system and programming method thereof - Provided are a non-volatile memory system and a programming method thereof. The programming method of the non-volatile memory system includes adjusting a program-verify-voltage of a selected memory cell referring to program data to be written in an interfering cell configured to provide interference for the selected memory cell and programming the selected memory cell depending on the adjusted program-verify-voltage. | 08-26-2010 |
20110205802 | NONVOLATILE MEMORY DEVICE AND METHOD OF READING THE SAME - Provided are a nonvolatile memory device and a method of reading the same. The nonvolatile memory device includes: a memory cell; a transistor disposed between a common source line and the memory cell; and a control logic for controlling a bias voltage of the transistor to reduce the amount of current flowing into the common source line during a read operation. The method includes: applying a read voltage to the memory cell; and controlling a bias voltage of the transistor to reduce the amount of current flowing into the common source line. | 08-25-2011 |
20110286274 | NONVOLATILE MEMORY DEVICE, PROGRAMMING METHOD THEREOF AND MEMORY SYSTEM INCLUDING THE SAME - A nonvolatile memory device preventing a program disturb, a program method thereof and a memory system including the nonvolatile memory device and the program method. The nonvolatile memory device includes a memory cell array; first and second word lines connected to a NAND string in the memory cell array; a third word line connected to the NAND string, the third word line being disposed between the first and second word lines; a temperature sensor configured to measure the temperature of the nonvolatile memory device; and a voltage generator configured to generate first and second pass voltages and a program voltage, and the voltage level of at least one of the first and second pass voltages is controlled according to the measured temperature. When a program operation is performed, the program voltage is applied to the third word line, the first pass voltage is applied to the first word line, the second pass voltage is applied to the second word line. | 11-24-2011 |
20110298037 | VERTICAL STRUCTURE NONVOLATILE MEMORY DEVICES - A vertical structure nonvolatile memory device can include a channel layer that extends in a vertical direction on a substrate. A memory cell string includes a plurality of transistors that are disposed on the substrate in the vertical direction along a vertical sidewall of the channel layer. At least one of the plurality of transistors includes at least one recess in a gate of the transistor into which at least one protrusion, which includes the channel layer, extends. | 12-08-2011 |
20110305079 | NONVOLATILE MEMORY DEVICE INCLUDING DUMMY MEMORY CELL AND PROGRAM METHOD THEREOF - A nonvolatile memory device including a dummy memory cell and a method of programming the same, wherein the nonvolatile memory device includes a dummy memory cell, and a plurality of memory cells serially connected to the dummy memory cell. The nonvolatile memory device sets a voltage provided to the dummy memory cell according to a distance between a selected memory cell among the plurality of memory cells and the dummy memory cell when a program operation is performed. | 12-15-2011 |
20120003828 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FORMING THE SAME - A method of manufacturing a semiconductor device includes forming a laminated structure including sacrificial layers and a select gate layer on a substrate, forming a penetration region penetrating the laminated structure, forming a select gate insulating layer on a sidewall of the select gate layer exposed by the penetration region, and forming an active pattern in the penetration region. The method also includes exposing a portion of the active pattern by removing the sacrificial layers and forming an information storage layer on the exposed portion of the active pattern. | 01-05-2012 |
20120033503 | CHARGE TRAP FLASH MEMORY DEVICE AND AN ERASING METHOD THEREOF - An erase method of a charge trap flash memory device, the method including receiving a temperature detection result, and performing an erase operation based on the temperature detection result, wherein the erase operation includes an erase execution interval, an erase verify interval and a delay time between the erase execution interval and the erase verify interval, wherein the erase operation changes a level of a word line voltage applied to word lines during the erase execution interval, a length of the delay time, or a level of the word line voltage applied to the word lines during the delay time. | 02-09-2012 |
20120081959 | MEMORY SYSTEM AND PROGRAMMING METHOD THEREOF - Provided are a non-volatile memory system and a programming method thereof. The programming method of the non-volatile memory system includes adjusting a program-verify-voltage of a selected memory cell referring to program data to be written in an interfering cell configured to provide interference for the selected memory cell and programming the selected memory cell depending on the adjusted program-verify-voltage. | 04-05-2012 |
20120098048 | VERTICAL MEMORY DEVICES AND METHODS OF MANUFACTURING THE SAME - A vertical memory device includes a channel, a ground selection line (GSL), word lines and a string selection line (SSL). The channel extends in a first direction substantially perpendicular to a top surface of a substrate, and a thickness of the channel is different according to height. The GSL, the word lines and the SSL are sequentially formed on a sidewall of the channel in the first direction and spaced apart from each other. | 04-26-2012 |
20120120732 | NONVOLATILE MEMORY DEVICE AND READ METHOD THEREOF - A nonvolatile memory device has improved reliability by compensating a threshold voltage of a flash memory cell. A nonvolatile memory device includes a memory cell array and a voltage generator for supplying a select read voltage to a select word line and an unselect read voltage to unselected word lines when a read operation is performed, and supplying a verify voltage to a select word line and the unselect read voltage to unselected word lines when a program operation is performed. The voltage generator supplies a first unselect read voltage to at least one between an upper word line and a lower word line adjacent to the select word line when the program operation is performed, and supplies a second unselected read voltage to at least one between the upper word line and the lower word line adjacent to the select word line when the read operation is performed. | 05-17-2012 |
20120140562 | NONVOLATILE MEMORY DEVICE AND METHOD OF MAKING THE SAME - A nonvolatile memory device includes a substrate, a structure including a stack of alternately disposed layers of conductive and insulation materials disposed on the substrate, a plurality of pillars extending through the structure in a direction perpendicular to the substrate and into contact with the substrate, and information storage films interposed between the layers of conductive material and the pillars. In one embodiment, upper portions of the pillars located at the same level as an upper layer of the conductive material have structures that are different from lower portions of the pillars. In another embodiment, or in addition, upper string selection transistors constituted by portions of the pillars at the level of an upper layer of the conductive material are programmed differently from lower string selection transistors. | 06-07-2012 |
20120195125 | OPERATING METHOD OF NONVOLATILE MEMORY DEVICE - Disclosed is an operating method of a nonvolatile memory device, which includes programming the first selection transistors of the plurality of cell strings and programming the plurality of memory cells of the plurality of cell strings. The programming the first selection transistors comprises supplying a first voltage to a first bit line connected with a first selection transistor to be programmed and a different second voltage to a second bit line connected to a first selection transistor to be program inhibited; turning on the second selection transistors of the plurality of cell strings, and supplying a first program voltage to a selected first selection line among a plurality of first selection lines connected with the first selection transistors and a third voltage to an unselected first selection line among the plurality of first selection lines. | 08-02-2012 |
20120230103 | Nonvolatile Memory Device And Operating Method Thereof - According to example embodiments, a nonvolatile memory device includes a substrate, at least one string extending vertically from the substrate, and a bit line current controlling circuit connected to the at least one string via at least one bit line. The at least one string may include a channel containing polycrystalline silicon. The bit line current controlling circuit may be configured to increase the amount of current being supplied to the bit line according to a decrease in a temperature such that a current flowing through the channel of the at least one string is increased when a temperature decreases. | 09-13-2012 |
20130301350 | Vertical Structure Nonvolatile Memory Device - A vertical structure nonvolatile memory device can include a channel layer that extends in a vertical direction on a substrate. A memory cell string includes a plurality of transistors that are disposed on the substrate in the vertical direction along a vertical sidewall of the channel layer. At least one of the plurality of transistors includes at least one recess in a gate of the transistor into which at least one protrusion, which includes the channel layer, extends. | 11-14-2013 |
20140087534 | METHODS OF MANUFACTURING VERTICAL STRUCTURE NONVOLATILE MEMORY DEVICES - A vertical structure nonvolatile memory device can include a channel layer that extends in a vertical direction on a substrate. A memory cell string includes a plurality of transistors that are disposed on the substrate in the vertical direction along a vertical sidewall of the channel layer. At least one of the plurality of transistors includes at least one recess in a gate of the transistor into which at least one protrusion, which includes the channel layer, extends. | 03-27-2014 |
20140254271 | Nonvolatile Memory Device and Read Method Thereof - A nonvolatile memory device has improved reliability by compensating a threshold voltage of a flash memory cell. A nonvolatile memory device includes a memory cell array and a voltage generator for supplying a select read voltage to a select word line and an unselect read voltage to unselected word lines when a read operation is performed, and supplying a verify voltage to a select word line and the unselect read voltage to unselected word lines when a program operation is performed. The voltage generator supplies a first unselect read voltage to at least one between an upper word line and a lower word line adjacent to the select word line when the program operation is performed, and supplies a second unselected read voltage to at least one between the upper word line and the lower word line adjacent to the select word line when the read operation is performed. | 09-11-2014 |
Byung Hak Choe, Gangneung-Si KR
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20120231971 | METHOD AND APPARATUS FOR DETECTING ANALYTES - Provided is a method and apparatus for detecting analytes, in which an analyte-receptor complex that is formed by a coupling of an analyte and a receptor is separated from a free receptor that has not been coupled with the analyte, to then detect the analyte-receptor complex. The method and apparatus for detecting analytes does not only provide an effect of detecting various substances with a single sensor chip, but also provides advantages of detecting a particular object substance from a sample containing a number of substances and easily amplifying a signal. | 09-13-2012 |
Byung-Hak Choe, Gangneung KR
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20130017118 | ASYMMETRIC ROLLING DEVICE, ASYMMETRIC ROLLING METHOD AND ROLLED MATERIAL MANUFACTURED USING SAMEAANM Jeong; Hyo-TaeAACI GangneungAACO KRAAGP Jeong; Hyo-Tae Gangneung KRAANM Choe; Byung-HakAACI GangneungAACO KRAAGP Choe; Byung-Hak Gangneung KR - An asymmetric rolling method for rolling a rolling material by using at least one pair of working rolls comprises rolls rotating at the same linear velocity and having different diameters. An asymmetric rolling apparatus may comprise a first roll contacting a first surface of a rolling material, a second roll having a diameter different from that of the first roll and contacting a second surface of the rolling material opposite to the first surface, and a power providing unit for providing power to each of the first and second rolls to adjust a ratio between angular velocities of the first and second rolls. | 01-17-2013 |
20130055783 | ASYMMETRIC EXTRUDING METHOD, EXTRUDED MATERIAL MANUFACTURED ACCORDING TO SAME, ASYMMETRIC EXTRUDING DICE, AND ASYMMETRIC EXTRUDING DEVICE - An asymmetric extrusion method, an extruded material extruded using the same, a die for asymmetric extrusion, and an asymmetric extrusion apparatus. According to the asymmetric extrusion method, an extruded material having a plate shape is formed by pushing an extruding material through a die including an extrusion hole having an asymmetric shape with respect to an extrusion direction of the extruding material, so as to extrude the extruding material while inducing shear strain in the extruding material. | 03-07-2013 |
Byung-Hak Choe, Gangwon KR
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20120251379 | ASYMMETRIC ROLLING APPARATUS, ASYMMETRIC ROLLING METHOD AND ROLLED MATERIALS FABRICATED BY USING THE SAME - Provided is an asymmetric rolling method including: entering a to-be-rolled material having a first surface and a second surface between a first roll and a second roll that has a greater diameter than that of the first roll and a rotary angular speed that is different from that of the first roll while the first surface and the second surface respectively contact the first roll and the second roll, followed by rolling, and entering the rolled to-be-rolled material between a third roll and a fourth roll that has a greater diameter than that of the third roll and a rotary angular speed that is different from that of the third roll while the first surface and the second surface respectively contact the fourth roll and the third roll, followed by rolling, wherein different shear stresses are applied to the first and second surfaces of the to-be-rolled material. | 10-04-2012 |
Cheolyong Choe, Kyoungsan-City KR
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20110141768 | HIGH BRIGHTNESS LIGHT PANEL - A high brightness light panel is provided. The light panel includes a fixing frame, a light reflective plate, a lighting unit, and an external electrode holder. The fixing frame forms an outer frame. The light reflective plate is installed in the fixing frame. The lighting unit has at least one or more External Electrode Fluorescent Lamps (EEFLs) spaced apart and arranged in parallel and forming one unit lamp group. The external electrode holder is sliding-inserted and installed along a length direction of the fixing frame, and has sockets installed therein and fixing-supporting external electrodes of the EEFLs. | 06-16-2011 |
Eun-Gyeong Choe, Yongin-City KR
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20140210737 | MOBILE DEVICE AND METHOD FOR OPERATING THE SAME - A mobile device including a first display, a second display, a foldable coupling portion for coupling the first display to the second display, an angle sensing unit for sensing a folding angle between the first display and the second display, a direction-of-sight sensing unit for sensing a direction of sight of a user, and a controller for determining whether to use a touch input sensed by either the first display or the second display based on the sensed folding angle and the sensed direction of sight. | 07-31-2014 |
Gyu Wan Choe, Gimhae-Si KR
Gyu Yeong Choe, Gyeonggi-Do KR
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20100142236 | POWER CONVERSION SYSTEM FOR ELIMINATING LOW FREQUENCY RIPPLE CURRENT AND CONTROL METHOD THEREOF - There is provided an integrated control method for eliminating a low frequency ripple in a power conversion system for a fuel cell, more particularly, a control method of a power conversion system capable of eliminating a low frequency ripple, controlling a DC link voltage, and controlling an output power and a system using the same control method. A power conversion system (PCS) that converts an output of a DC power supply received from an external power supply includes a converter that converts a voltage of the input power supply; an inverter that converts an output voltage of the converter into an AC voltage; and a converter control module that outputs a PWM signal for controlling a switch of the converter, and after receiving a power instruction value, the converter control module generates the PWM signal for controlling the converter based on the power instruction value. | 06-10-2010 |
Gyu Yeong Choe, Suwon KR
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20140195081 | SYSTEM AND METHOD FOR INCIPIENT DRIVE OF SLOW CHARGER FOR A VEHICLE WITH ELECTRIC MOTOR - Disclosed herein is a system and method for incipient drive of a slow charger for a vehicle. Specifically, an incipient drive entry of the slow charger used when a battery is charged in an electric vehicle (EV) or a plug-in hybrid electric vehicle (PHEV) may be performed. The method includes operating, by a controller, a regulator by outputting a control pilot (CP) signal from electric vehicle supply equipment (EVSE). Additionally, the method includes operating, by the controller, a flip-flop by outputting a driving signal from the regulator and operating a switching mode power supply (SMPS) by outputting a driving signal from the flip-flop. The method further includes resetting, by the controller, the flip-flop by outputting a reset signal from a central processing unit (CPU) turned on by the SMPS. | 07-10-2014 |
20140253018 | POWER SUPPLY SYSTEM AND METHOD FOR CHARGING BATTERY OF VEHICLE - A power supply system and method for charging a battery of a vehicle are provided and include a charger that is configured to charge the battery and a charging controller that is configured to receive a voltage to charge the battery and operate the charger. An auxiliary battery is configured to supply a first DC voltage to operate the charging controller and a power supplier is configured to generate a second DC voltage greater than the first DC voltage using external AC power, and to supply the second DC voltage to the charging controller as a driving power source to charge the battery. First and second diodes are respectively installed at output ends of the power supplier and the auxiliary battery, a cathode voltage of the second diode is increased when the power supplier supplies the second DC voltage, and the first DC voltage of the auxiliary battery is blocked. | 09-11-2014 |
Gyu Yeong Choe, Siheung KR
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20100156185 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING SINGLE CONVERTER AND SINGLE INVERTER, AND METHOD OF CONTROLLING THE SAME - There are disclosed a photovoltaic and fuel cell (PV-FC) hybrid generation system using a single converter and a single inverter, and a method of controlling the same. The PV-FC hybrid generation system includes a DC/DC converter unit converting an FC output voltage from a fuel cell, converting chemical energy into electrical energy, into a preset voltage, a DC link unit commonly connecting an output terminal of a photovoltaic cell, converting the sunlight into electrical energy, and an output terminal of the DC/DC converter unit, and linking the converted FC output voltage from the DC/DC converter unit with a PV output voltage from the photovoltaic cell to thereby generate a DC voltage, and a DC/AC inverter unit converting the DC voltage from the DC link unit into a preset AC voltage. Furthermore, a method of controlling the PV-FC hybrid generation system is proposed. | 06-24-2010 |
20110273130 | APPARATUS AND METHOD FOR CHARGING AND DISCHARGING PHOTOVOLTAIC PCS INTEGRATED BATTERY - There are provided an apparatus and method for charging and discharging a photovoltaic PCS integrated battery applied to a system that includes a first DC/DC converter | 11-10-2011 |
Gyu Yeong Choe, Gyunggi-Do KR
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20100156186 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING DUAL CONVERTERS AND SINGLE INVERTER AND METHOD OF CONTROLLING THE SAME - There is provided a photovoltaic and fuel cell hybrid generation system using dual converters and a single inverter and a method of controlling the same. A photovoltaic and fuel cell (PV-FC) hybrid generation system according to an aspect of the invention may include: a PV DC/DC converter unit converting a PV output voltage into a predetermined voltage; an FC DC/DC converter unit converting an FC output voltage into a predetermined voltage; a DC link unit commonly connecting an output terminal of the PV DC/DC converter unit and an output terminal of the FC DC/DC converter unit, and linking the converted PV output voltage from the PV DC/DC converter unit to the converted FC output voltage from the FC DC/DC converter unit to thereby generate a DC voltage; and a DC/AC inverter unit converting the DC voltage from the DC link unit into a predetermined AC voltage. | 06-24-2010 |
Gyu-Yeong Choe, Siheung-Si KR
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20100124082 | METHOD FOR SELECTING THE OPTIMUM NUMBER OF PHASES FOR CONVERTER AND SYSTEM USING THE SAME - A method for selecting the optimum number of phases for a converter is provided, which selects a duty range using an input voltage and an output voltage, obtains ripple values for multiple phases in the duty range, and selects the optimum number of phases using the corresponding ripple values. The method for selecting the optimum number of phases for a converter includes a duty range selection step of selecting a duty range using an input voltage and an output voltage, a ripple value calculation step of obtaining ripple values for multiple phases within the selected duty range, a range ripple selection step of selecting one or more phases in the duty range, and a rated ripple selection step of selecting the phases having the minimum ripple value in a rated duty among the phases selected in the range ripple selection step. | 05-20-2010 |
Hee-Hwan Choe, Incheon-Si KR
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20090212298 | Thin Film Transistor Substrate Having Nickel-Silicide Layer - Disclosed are a thin film transistor substrate of an LCD device and a method of manufacturing the same. The thin film transistor substrate includes a nickel-silicide layer formed on an insulating layer pattern including silicon and a metal layer formed on the nickel-silicide layer. Nickel is coated on the insulating layer pattern including silicon and a metal material is coated on the nickel-coated layer. After that, a heat treatment is performed at about 200 to about 350° C. to obtain the nickel-silicide layer. Since the thin film transistor substrate of the LCD device is manufactured by applying the nickel-silicide wiring, a device having low resistivity and good ohmic contact property can be obtained. | 08-27-2009 |
20100047946 | THIN FILM ARRAY PANEL AND MANUFACTURING METHOD THEREOF - A method of manufacturing a thin film array panel is provided, which includes: forming a gate line formed on a substrate; forming a gate insulating layer on the gate line; forming a semiconductor layer on the gate insulating layer; forming an ohmic contact layer on the semiconductor layer; forming a data line and a drain electrode disposed at least on the ohmic contact layer, forming an oxide on the data line; etching the ohmic contact layer using the data line and the drain electrode as an etch mask; and forming a pixel electrode connected to the drain electrode. | 02-25-2010 |
20100140626 | THIN FILM TRANSISTOR ARRAY PANEL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a TFT array panel including forming a gate line having a gate electrode on a insulating layer, a gate insulating layer on the gate line, a semiconductor on the gate insulating layer, an ohmic contact on the semiconductor, a data line having a source electrode and a drain electrode apart form the source electrode on the ohmic contact, a passivation layer having a contact hole to expose the drain electrode, and a pixel electrode connected to the drain electrode through the contact hole. The drain electrode and the source electrode are formed by a photolithography using a negative photoresist pattern. The negative photoresist pattern includes a first portion having a first thickness corresponding to a channel area, a second portion having a second thickness corresponding to a data line area, and a third portion having a third thickness corresponding to another area. | 06-10-2010 |
20130153906 | THIN FILM TRANSISTOR ARRAY PANEL HAVING IMPROVED STORAGE CAPACITANCE AND MANUFACTURING METHOD THEREOF - A thin film transistor array panel is provided, which includes a gate line, a data line intersecting the gate line, a storage electrode apart from the gate and data lines, a thin film transistor connected to the gate and data lines and having a drain electrode, a pixel electrode connected to the drain electrode, a first insulating layer over the thin film transistor and disposed under the pixel electrode, and a second insulating layer disposed on the first insulating layer and having an opening exposing the first insulating layer on the storage electrode. | 06-20-2013 |
Hee-Hwan Choe, Incheon KR
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20090017574 | THIN FILM TRANSISTOR, METHOD OF MANUFACTURING THE SAME, DISPLAY APPARATUS HAVING THE SAME AND METHOD OF MANUFACTURING THE DISPLAY APPARATUS - A thin film transistor includes a gate electrode on a substrate, a gate insulating layer on the substrate, a channel pattern, a source electrode and a drain electrode. The channel pattern includes a semiconductor pattern formed on the gate electrode and overlaying the gate electrode as well as first and second conductive adhesive patterns formed on the semiconductor pattern and spaced apart from each other. The source electrode includes a first barrier pattern, a source pattern and a first capping pattern sequentially formed on the first conductive adhesive pattern. The drain electrode includes a second barrier pattern, a drain pattern and a second capping pattern sequentially formed on the second conductive adhesive pattern. Etched portions of the first and second conductive adhesive patterns have a substantially vertical profile to prevent the exposure of the source and drain electrodes, thereby improving the characteristics of the thin film transistor. | 01-15-2009 |
Heeman Choe, Gunpo Si KR
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20100187018 | Earth-Boring Particle-Matrix Rotary Drill Bit and Method of Making the Same - An earth-boring rotary drill bit includes a bit body configured to carry one or more cutters for engaging a subterranean earth formation, the bit body comprising a particle-matrix composite material having a plurality of hard particles dispersed throughout a matrix material, the matrix material comprising a shape memory alloy. The matrix material comprises a metal alloy configured to undergo a reversible phase transformation between an austenitic phase and a martensitic phase. The matrix material may include an Ni-based alloy, Cu-based alloy, Co-based alloy, Fe-based alloy or Ti-based alloy. The drill bit may be made by a method that includes: providing a plurality of hard particles in a mold to define a particle precursor of the bit body; infiltrating the particle precursor of the bit body with a molten matrix material comprising a shape memory alloy forming a particle-matrix mixture; and cooling the molten particle-matrix mixture to solidify the matrix material and forming a bit body having a particle-matrix composite material comprising a shape memory alloy. | 07-29-2010 |
20110186261 | Earth-Boring Particle-Matrix Rotary Drill Bit and Method of Making the Same - An earth-boring rotary drill bit includes a bit body configured to carry one or more cutters for engaging a subterranean earth formation, the bit body comprising a particle-matrix composite material having a plurality of hard particles dispersed throughout a matrix material, the matrix material comprising a shape memory alloy. The matrix material comprises a metal alloy configured to undergo a reversible phase transformation between an austenitic phase and a martensitic phase. The matrix material may include an Ni-based alloy, Cu-based alloy, Co-based alloy, Fe-based alloy or Ti-based alloy. The drill bit may be made by a method that includes: providing a plurality of hard particles in a mold to define a particle precursor of the bit body; infiltrating the particle precursor of the bit body with a molten matrix material comprising a shape memory alloy forming a particle-matrix mixture; and cooling the molten particle-matrix mixture to solidify the matrix material and forming a bit body having a particle-matrix composite material comprising a shape memory alloy. | 08-04-2011 |
Heeman Choe, Kyungki Do KR
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20100155148 | Earth-Boring Particle-Matrix Rotary Drill Bit and Method of Making the Same - An earth-boring rotary drill bit includes a bit body configured to carry one or more cutters for engaging a subterranean earth formation. The bit body includes a particle-matrix composite material having a plurality of hard particles dispersed throughout a matrix material, the particle-matrix composite material having a first coefficient of thermal expansion. The bit body also includes insert disposed in the bit body. The insert has a second coefficient of thermal expansion that is greater than the first coefficient of thermal expansion of the matrix. | 06-24-2010 |
20110107586 | METHOD OF MAKING AN EARTH-BORING PARTICLE- MATRIX ROTARY DRILL BIT - A method of making an earth-boring rotary drill bit comprising a bit body configured to carry a cutter for an earth formation includes providing a plurality of hard particles in a mold to define a particle precursor of the bit body; wherein the particle precursor is configured for infiltration by a molten matrix material, the resulting particle-matrix composite material having a first coefficient of thermal expansion. The method also includes disposing an insert within the particle precursor, the insert having a second coefficient of thermal expansion that is greater than the first coefficient of thermal expansion. The method further includes infiltrating the particle precursor of the bit body and insert with the molten matrix material and cooling the molten particle-matrix mixture to solidify the molten matrix material and form a bit body comprising a particle-matrix composite material having a plurality of hard particles and an insert disposed in the matrix material. | 05-12-2011 |
Heeman Choe, Kyunggi-Do KR
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20140004441 | Fuel Cells and Method of Manufacturing | 01-02-2014 |
20140230890 | Dye-Sensitized Solar Cell with Metal Foam Electrode - A dye-sensitized solar cell has a working electrode, electrolyte, and counter electrode. The counter electrode includes a nickel (Ni) foam, titanium (Ti) foam, manganese (Mn) foam, or molybdenum (Mo) foam, and has a surface that is nitrided. The reaction efficiency for the solar cell is enhanced by the increased surface area reacting with the electrolyte, which results from using a metal foam. Mechanical properties, such as strength and ductility, and electroconductivity are improved due to the use of metals. The production costs are reduced by using substitute materials, which are low-cost and have oxidation-reduction efficiency. | 08-21-2014 |
20150072236 | Metal Foam for Electrode of Secondary Lithium Battery, Preparing Method Thereof, and Secondary Lithium Battery Including the Metal Foam - Using metal foams for the electrode of secondary lithium battery, preparing method thereof, and secondary lithium battery including the metal foam. A metal foam is used in an electrode of secondary lithium battery where the surface and the inner pore walls are coated with the active materials, a method of manufacturing such metal foam, and secondary lithium battery including the metal foam. | 03-12-2015 |
Hee Man Choe, Gunpo KR
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20120244457 | FUEL CELL ELECTRODE - The present invention provides an electrode for a polymer electrolyte membrane fuel cell. In one embodiment, a planar nanoporous or microporous metal foam or metal aerogel structure is provided, from which an electrode with a catalyst layer integrally formed by fixing a catalyst in the metal foam or metal aerogel is formed. | 09-27-2012 |
Hee-Man Choe, Gunpo-Si KR
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20140182808 | METHOD OF MANUFACTURING POROUS METAL FOAM - A method of manufacturing a porous metal foam having pores of nano size includes: manufacturing a porous polymer foam containing pores of nano size; and coating metal on the porous polymer foam through electroless plating. The present invention provides porous metal foams which contains nano-sized pores and hence, their specific surface area is maximized owing to the regularly-patterned nanoporous structure formed inside. | 07-03-2014 |
Hoe-Rim Choe, Asan-Si KR
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20110175552 | METHOD OF DRIVING A LIGHT SOURCE, METHOD OF DISPLAYING AN IMAGE USING THE SAME, AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a light source includes converting a reference luminance value of the light source to a first just noticeable difference (JND) value. The JND value represents a minimum noticeable difference between two stimuli. A target luminance value lower than the reference luminance value is determined using the first JND value. A first driving signal applied to the light source is generated using the target luminance value so that a user may not notice a luminance change when a luminance value of a light source is decreased in order to decrease power consumption of a display apparatus. | 07-21-2011 |
Ho-Yeong Choe, Jung-Gu KR
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20090057927 | METHOD FOR FORMING INTERLAYER INSULATING FILM IN SEMICONDUCTOR DEVICE - A method for forming an interlayer insulating film includes providing a semiconductor substrate having a first substrate region with a plurality of metal wiring and a second substrate region having no metal wiring, and then forming an insulating film dummy pattern in the second substrate region, wherein the insulating film dummy pattern has the same thickness as the metal wiring, and then forming an interlayer insulating film over the semiconductor substrate including the insulating film dummy pattern. | 03-05-2009 |
20090283857 | METHOD OF MANUFACTURING CAPACITOR OF SEMICONDUCTOR DEVICE - A method for manufacturing a semiconductor device includes sequentially forming an insulating layer and a metal layer over a semiconductor substrate, forming a photoresist pattern over the metal layer and etching the metal layer using the photoresist pattern as an etching mask to form a metal line pattern, subjecting the photoresist pattern to a reflow process to form a photoresist pattern over the metal layer and etching the metal layer using the photoresist pattern as an etching mask to form a metal line pattern, subjecting the photoresist pattern to a reflow process to form a reflowed photoresist pattern surrounding the metal line pattern, forming a metal-insulator-metal (MIM) layer over the semiconductor substrate provided with the reflowed photoresist pattern, and removing the MIM layer arranged over the photoresist pattern and the photoresist pattern. | 11-19-2009 |
Hyung-Jin Choe, Gyeongbuk KR
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20110309817 | DC-DC BOOST CONVERTER CIRCUIT AND METHOD FOR DRIVING THE SAME - Disclosed herein are a DC-DC boost converter circuit, which is capable of preventing power loss and stabilizing switching elements by implementing soft switching and improving efficiency by adding a charge pumping function, and a method for driving the same. The DC-DC boost converter circuit, in which an inductor and an output diode are connected in series and an output capacitor and a load are connected to an output port of the output diode in parallel, includes an output stabilization circuit in which first and second switching elements, a transformer, a plurality of boost capacitors, and a plurality of diodes are connected in series/parallel between the inductor and the output diode. | 12-22-2011 |
Ick-Sung Choe, Yongin-Si KR
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20090057952 | MOLDING APPARATUS AND INJECTION MOLDING METHOD USING THE SAME - A molding apparatus and an injection molding method using the same are provided. A plurality of lower mold cores are arranged in a first direction, and a plurality of upper mold cores are arranged in a row in the first direction. At least one of the lower mold cores is movable into contact with the upper mold cores. | 03-05-2009 |
20090059543 | ELECTRONIC DEVICE MANUFACTURING METHOD USING LDS AND ELECTRONIC DEVICE MANUFACTURED BY THE METHOD - Disclosed is a method for manufacturing an electronic device using LDS and an electronic manufacturing by the method, in which resin for LDS is adhered to an inner surface of an external case by double injection or insert injection so as to implement a circuit. The electronic device using LDS includes upper and lower external cases, wherein resin for LDS is adhered to an inner surface of the lower external case by double injection or insert injection. Components of the electronic device are mounted on the resin, and the upper and lower external case are assembled with each other. | 03-05-2009 |
Jae Hoon Choe, Daejeon-Si KR
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20090142237 | Micro reactor - The present invention discloses the substrate and the micro reactor for mixing two kinds of fluids. The micro reactor of the present invention comprises a housing having first and second inlet ports and an outlet port formed thereon; and a plurality of substrates stacked in the housing, wherein the substrate has a space formed at a central portion thereof in one direction; a plurality of first channels extended from one side thereof to the space and corresponding to the first inlet port; and a plurality of second channels extended from the other side thereof to the space and corresponding to the second inlet port; wherein a portion between two neighboring first channels corresponds to the second channel and a portion between two neighboring second channels corresponds to the first channel to form sequentially reaction interfaces of the first and second fluids in the space. | 06-04-2009 |
Jaehun Choe, Gyeonggi-Do KR
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20120183722 | GREEN SHEET AND MANUFACTURING METHOD THEREOF - The present invention provides a green sheet, for use in a multilayered ceramic capacitor having a super-micro high-capacity, without a wave defects at lateral sides of a green sheet, and a manufacturing method thereof. The method includes forming a release layer on a substrate film; modifying the surface of the release layer to obtain different surface energy levels at the center and both ends of the release layer; and forming a green sheet layer on the release layer. | 07-19-2012 |
Jae Hun Choe, Suwon KR
Patent application number | Description | Published |
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20120307417 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - There is provided a multilayer ceramic electronic component including: a lamination main body including a dielectric layer; and a plurality of inner electrode layers formed within the lamination main body and having ends exposed from one or more faces of the laminated main body, wherein when a distance between central portions of adjacent inner electrodes among the plurality of inner electrodes is T | 12-06-2012 |
20130070386 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - There is provided a multilayer ceramic electronic component including a lamination main body including a plurality of inner electrodes. When T | 03-21-2013 |
20140218840 | DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC ELECTRONIC COMPONENT USING THE SAME - There are provided a dielectric composition and a multilayer ceramic electronic component using the same, the dielectric composition including dielectric grains having a perovskite structure represented by ABO | 08-07-2014 |
20140268484 | DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME - A dielectric ceramic composition includes: a base material powder Ba | 09-18-2014 |
20140355175 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND BOARD FOR MOUNTING THE SAME - A multilayer ceramic electronic component includes a hexahedral ceramic body including dielectric layers and having first and second main surfaces opposing each other in a thickness direction, first and second end surfaces opposing each other in a length direction, and first and second side surfaces opposing each other in a width direction; first and second internal electrodes stacked to have the dielectric layer interposed therebetween within the ceramic body and alternately exposed through the first and second end surfaces; and first and second external electrodes electrically connected to the first and second internal electrodes, respectively, and including first and second head parts formed on the first and second end surfaces, wherein width of the first and second head parts is less than width of the ceramic body, and when length, width and thickness of the ceramic body are defined as L, W, and T, respectively, T/W>1.0 is satisfied. | 12-04-2014 |
Jeehyun Choe, Seocho-Gu KR
Patent application number | Description | Published |
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20130342646 | METHOD AND DEVICE FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST SIGNAL - The present invention relates to a device and a method for transmitting/receiving a digital broadcast signal having a three-dimensional image. According to one embodiment of the present invention, a device for receiving a digital broadcast signal comprises: a tuner which receives a digital broadcast signal of a transport packet that contains signaling data and a video stream for implementing a three-dimensional image; a demodulation unit which demodulates said received digital broadcast signal; a decoding module which extracts mode conversion information from said demodulated digital broadcast signal; and an output formatter which outputs a decoded image signal on the basis of said mode conversion information. | 12-26-2013 |
Jeongin Choe, Gumi-Si KR
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20140056522 | METHOD AND APPARATUS FOR PROCESSING DATA USING OPTICAL CHARACTER READER - A method for processing data by using an optical character reader (OCR) is provided. The method includes obtaining OCR data from each image file of a plurality of image files and storing the obtained OCR data, receiving a search command with respect to an object, extracting the object from the stored OCR data, selecting OCR data which includes the object from among the OCR data, and displaying a list of image files which correspond to the selected OCR data. | 02-27-2014 |
Ji Hwan Choe, Bucheon-Si KR
Patent application number | Description | Published |
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20090154571 | METHOD AND APPARATUS FOR VIDEO CONFERENCING IN MOBILE TERMINAL - A method and apparatus for video conferencing in a mobile terminal are disclosed. The method includes receiving audio-visual signals comprising a video signal and a voice signal from participating users, selecting one of the audio-visual signals associated with a currently talking user based on properties of the audio-visual signals, decoding all frames of a video signal from the selected audio-visual signal and selectively decoding frames of video signals of the remaining audio-visual signals, and reproducing the decoded frames of the video signals. | 06-18-2009 |
20150029362 | USER TERMINAL DEVICE AND THE CONTROL METHOD THEREOF - A user terminal apparatus is provided. The user terminal apparatus includes a camera unit configured to photograph an object, a controller configured to detect an object image from an image of the object photographed by the camera unit, generate image metadata used to change a feature part of the object image, and generate an image file by matching the object image with the image metadata, a storage configured to store the image file, and a display configured to, in response to selecting the image file, display the object image in which the feature part is changedbased on the image metadata. | 01-29-2015 |
Ji-Hwan Choe, Gyeonggi-Do KR
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20140192230 | APPARATUS AND METHOD FOR CAPTURING IMAGE WITH AUDIO DATA - A method for capturing an image with audio data includes recording and storing audio data, capturing an image on request, and matching and storing the recorded audio data with the captured image, thereby allowing a user to more lively record an audio signal when an image is captured. An apparatus for capturing an image with audio data includes a camera unit configured to capture an image, an audio data recording unit configured to record audio data, and a controller configured to store an image captured by the camera unit, and match and store audio data recorded by the audio data recording unit for a predetermined period of time after the camera unit captured the image. | 07-10-2014 |
20140267435 | IMAGE EDITING METHOD, MACHINE-READABLE STORAGE MEDIUM, AND TERMINAL - An image editing method includes recognizing a subject in an input image and extracting information related to the recognized subject; identifying composition information corresponding to the extracted subject-related information in a composition database; configuring a composition area in the input image according to the identified composition information; and displaying an image corresponding to the composition area on a screen. | 09-18-2014 |
Joong-Seon Choe, Daejeon-City KR
Patent application number | Description | Published |
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20100172623 | COMPOUND CONTAINING CROSSLINKABLE MOIETIES, PREPOLYMER, BLEND AND POLYMER SHEET OBTAINED THEREFROM, AND WAVEGUIDE FOR OPTICAL INTERCONNECTION - A compound containing a crosslinkable moiety, a curable prepolymer, a blend, and a polymer sheet obtained therefrom, and an optical waveguide for optical interconnection. The compound is represented by the formula below: | 07-08-2010 |
20140219625 | Compound containing crosslinkable moieties, prepolymer, blend and polymer sheet obtained therefrom, and waveguide for optical interconnection - An optical waveguide for optical interconnection including a polymer sheet comprising a crosslinked product of a prepolymer, the prepolymer prepared by condensation reaction between a first compound represented by the formula Ar—H, where Ar comprises (a) a crosslinkable moiety at one end, (b) a moiety selected from the group consisting of —O—, —S—, —COO—, —CO—, —COS—, —SO | 08-07-2014 |
Ju-Hyun Choe, Hwaseong-Si KR
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20140009625 | IMAGE PROCESSING APPARATUS AND CONTROL METHOD THEREOF - An image processing apparatus including: a signal reception unit including a connector that is configured to connect to a plug of an external device and includes a first terminal and a second terminal, the signal reception unit being configured to receive a signal from the external device through the plug connected to the connector; a signal processor that processes the signal received by the signal reception unit according to a preset process; a storage that stores a test signal; and a controller that transmits the test signal stored in the storage to the first terminal when the first terminal and the second terminal are electrically connected to each other, and determines a signal transmission state of the connector to the signal processor based on a change in signal characteristics of the test signal fed back through the second terminal. | 01-09-2014 |
20140035596 | DISPLAY APPARATUS AND METHOD FOR DETECTING ERROR FROM VOLTAGE THEREOF - A display apparatus and a method for detecting a voltage error thereof, include a display unit which displays an image, a voltage supply which supplies a voltage to respective elements of the display apparatus, a detector which monitors a plurality of voltages supplied to the respective elements of the display apparatus and detects an error occurring from at least one of the plurality of voltages, and a controller which determines a location where an error has occurred if the error has occurred from at least one of the plurality of voltages according to a detection result of the detector. Thus, the display apparatus and method thereof determine whether a voltage error is present and determine the location of one or more errors without difficulty using a circuit for performing the self diagnosis. | 02-06-2014 |
20140068332 | ELECTRONIC DEVICE HAVING SELF DIAGNOSIS FUNCTION AND SELF DIAGNOSIS METHOD USING THE SAME - An electronic device which has a self diagnosis function and a self diagnosis method using the same are provided. The electronic device includes: an interface which receives a user's selection signal for a hardware of an object to be diagnosed; and a controller which provides a plurality of lines connected to the hardware of the object to be diagnosed with a signal for diagnosis according to the selection signal which is received through the interface and calculates a diagnosis result for the hardware of diagnosis object according to a comparison result of the signal for diagnosis with a return signal which is returned from the hardware of the object to be diagnosed by a loop-back. | 03-06-2014 |
Jung-Yoon Choe, Suseong-Gu KR
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20100166878 | COMPOSITION COMPRISING BEE VENOM FOR THE TREATMENT OF ATHEROSCLEROSIS - The present invention provides bee venom which can decrease expression levels of sclerotic factors, inflammatory factors and vascular adhesion factors associated with atherosclerosis, and a pharmaceutical composition comprising the bee venom as an active ingredient for the treatment of the atherosclerosis. When the bee venom was administered to laboratory animal models of atherosclerosis, the total cholesterol and neutral lipid were decreased, high-density cholesterol was maintained or even increased, the expression levels of TNF-α and IL-β as inflammation-associated cytokines were decreased in the blood, the expression levels of fibrosis-associated cytokines and vascular adhesion factors were decreased in the main artery and the heart, the plaque deposition generally caused by the atherosclerosis was decreased, and the expression levels of intercellular adhesion molecules (ICAM) and vascular cell adhesion molecules (VCAM), TGF-β1 and fibronectin as fibrosis-related cytokines were decreased. | 07-01-2010 |
Jun-Hoo Choe, Gwangju KR
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20130007981 | VACUUM CLEANER HAVING SHREDDER - A vacuum cleaner includes a cleaner body having a suction source for generating a suction force; a suction nozzle assembly to draw in a dust or dirt from a surface to be cleaned by using the suction force of the suction source; a cyclone unit to separate the dust or dirt drawn in through the suction nozzle assembly from an air; a dust bin detachably disposed to the cleaner body to collect the dust or dirt separated at the cyclone unit; and a shredder to shred a paper, the shredder being detachably communicated with an opening of the dust bin to collect the shredded paper into the dust bin. | 01-10-2013 |
20130239358 | VACUUM CLEANER HAVING SHREDDER - A vacuum cleaner includes a cleaner body including a suction source configured to generate a suction force, a suction inlet body configured to inhale dust on a surface to be cleaned using the suction force of the suction source, a dust bucket detachably installed on the cleaner body, a cyclonic unit formed inside the dust bucket and configured to centrifuge the dust from air flowed in through the suction inlet body, and a paper-shredder installed on a top of the dust bucket and configured to communicate with the top of the dust bucket so that shredded pieces of paper are dropped inside a dust collecting space of the dust bucket. | 09-19-2013 |
20140359966 | DUST COLLECTING APPARATUS AND VACUUM CLEANER HAVING THE SAME - A dust collecting apparatus in which, when a filter cover is attempted to be closed in a state in which the filter is not installed, the filter cover is prevented from closing by a simple configuration, and a vacuum cleaner having the same. The dust collecting apparatus includes a filter, a cover including a filter installation part in which the filter is installed and a catching rib which is provided at the filter installation part, and a filter cover which covers an upper portion of the cover, and the filter cover includes a closing prevention rib which is restricted by the catching rib so as to prevent the filter cover from closing when the filter is not installed. | 12-11-2014 |
20140359967 | VACUUM CLEANER - A vacuum cleaner includes a main body including a fan motor to generate suction force, a suction unit connected to the main body to suction foreign matter from a surface to be cleaned in a state of contacting the surface, a dust collector separatably mounted to the main body to separate and collect dust from air suctioned by the suction unit, and a wheel assembly to move the main body, wherein the wheel assembly includes frames provided at a lower part and left and right sides of the main body and wheels rotatably mounted to the frames provided at the left and right sides of the main body, each wheel having a negative camber angle. | 12-11-2014 |
Jun-Young Choe, Gyeonggi-Do KR
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20140045552 | APPARATUS AND METHOD FOR PROVIDING INCOMING AND OUTGOING CALL INFORMATION IN A MOBILE COMMUNICATION TERMINAL - Methods and apparatus are provided for providing information, performed by an electronic device. Phone numbers are stored in an address book in a memory of the electronic device. Call history information for a phone number together with an option that when selected enables editing of information associated with the phone number are displayed on a screen of a display of the electronic device, if the phone number is in the address book. Call history information for a phone number together with an option that when selected enables adding the phone number to the address book are displayed on a screen of the display, if the phone number is not in the address book. | 02-13-2014 |
20140213326 | APPARATUS AND METHOD FOR PROVIDING INCOMING AND OUTGOING CALL INFORMATION IN A MOBILE COMMUNICATION TERMINAL - A method and a mobile communication device are provided for providing information. Phone numbers in an address book are stored in a memory of the mobile communication device. A display unit of the mobile communication device displays call history information for a phone number. It is determined whether the phone number is in the address book. A menu is displayed on the display unit, the menu having either a first option for editing information associated with the phone number or a second option for adding the phone number to the address book based on whether the phone number is in the address book. | 07-31-2014 |
Ki-Beom Choe, Gyeonggi-Do KR
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20110001132 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor device includes a conductive layer formed in the junction region and a boundary layer arranged to wrap a side and a bottom of the conductive layer. | 01-06-2011 |
20110156010 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor device includes a gate formed over a substrate, organic semiconductor pattern interposed between the substrate and the gate, junction regions formed in the substrate on both sides of the gate, and junction patterns formed over the junction regions to contact the organic semiconductor patterns. | 06-30-2011 |
20130045566 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor device includes a conductive layer formed in the junction region and a boundary layer arranged to wrap a side and a bottom of the conductive layer. | 02-21-2013 |
Ki-Sub Choe, Gyeonggi-Do KR
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20140036866 | PROVIDING SERVICE CONTINUITY BETWEEN HETEROGENEOUS WIRELESS NETWORKS - The disclosure is related to providing service continuity between heterogeneous networks in user equipment. A first cell change procedure may be performed from a packet switched network to a circuit switched network in a first idle mode. Availability of a packet switched domain of the circuit switched network may be determined. A location area update (LAU) may be initiated when a packet switched domain of the circuit switched network is barred. | 02-06-2014 |
Miheung Choe, Kunpo KR
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20120188848 | ULTRASONIC UNDERWATER PAGER - Disclosed herein is an underwater pager configured such that a hole is not formed in the outer wall of a casing. The ultrasonic underwater pager includes an ultrasonic transducer for transmitting or receiving ultrasonic signals. An electronic circuit unit generates an ultrasonic signal and analyzes a received ultrasonic signal. A switch unit is switched using a magnetic phenomenon and is configured to supply power to the electronic circuit unit and transmit external commands to the electronic circuit unit. A watertight casing is configured such that the ultrasonic transducer, the electronic circuit unit, and the switch unit are installed in the watertight casing, the ultrasonic transducer being installed in a raised position in the watertight casing using a molding process. A magnet is attached to a rubber cover connected to an outside of the watertight casing, and is configured to switch on/off the switch unit using a magnetic phenomenon. | 07-26-2012 |
Min Hyeok Choe, Buk-Gu KR
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20130285012 | LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - The present disclosure provides a light emitting diode and a method of manufacturing the same. The light emitting diode includes a graphene layer on a second conductive semiconductor layer and a plurality of metal nanoparticles formed on some region of the graphene layer, whereby adhesion between the second conductive semiconductor layer comprised of an inorganic material and the graphene layer is enhanced, thereby securing stability and reliability of the light emitting diode. In addition, the light emitting diode allows uniform spreading of electric current, thereby allowing stable emission of light through a surface area of the light emitting diode. The method of manufacturing a light emitting diode includes forming a graphene layer on a second conductive semiconductor layer, forming a mask film on the graphene layer, forming a metal layer within the patterns of the mask film, followed by removing the mask film; and heat treating the metal layer to form a plurality of metal nanoparticles, whereby the metal nanoparticles having a high index of refraction are formed on some region of the graphene layer and provide surface texturing effects, thereby improving light emission efficiency. | 10-31-2013 |
Myeon Choe, Choonchun-Si KR
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20100119675 | DOUGHNUT MAKING METHOD USING SOYBEAN POWDER - A doughnut making method comprises: pulverizing beans to bean powder using an airflow crushing technique; mixing flour, baking powder and whole milk powder to the bean powder to form a first mixture; mixing the first mixture to a second mixture to form a third mixture, wherein the second mixture is formed of refined sugar, salt and margarine; sieving the third mixture to form a premix; admixing water and egg mix to the premix and pasting the admixture to a dough; and frying the dough in oil to form doughnuts. | 05-13-2010 |
Myeon Choe, Chuncheon KR
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20140234456 | COMPOSITION FOR ANTIDIABETES CONTAINING SMILAX CHINA L LEAVES EXTRACT - An anti-diabetic composition is disclosed. The anti-diabetic composition includes a | 08-21-2014 |
Seol Gyeong Choe, Chungcheongbuk-Do KR
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20110281971 | TRANSPARENT COLOR COATING COMPOSITION CONTAINING NANOSIZE DISPERSED PIGMENTS, COATED SUBSTRATE AND METHOD FOR PREPARING SAME - The present invention relates to a transparent color coating composition containing nano-sized dispersed pigments, to a coated substrate, and to a method for preparing the same. When used in coating glass, the transparent color coating composition expresses a variety of colors, maintains continuous color transparency, gives sun protection to glass, and has superior adhesion, solvent resistance, and sun protection properties. | 11-17-2011 |
Seung-Yeon Choe, Gyeonggi-Do KR
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20140258453 | METHOD FOR CONTROLLING CONTENTS TRANSMISSION - A method is provided for transmitting content that includes detecting, by an electronic device, a content transmission event; and responsive to the content transmission event, processing a content item to hide location information that is associated with the content item and transmitting the content item to a remote device. | 09-11-2014 |
Sung-Yul Choe, Busan KR
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20090184957 | METHOD AND SYSTEM FOR COMPRESSING AND DECODING MESH DATA WITH RANDOM ACCESSIBILITY IN THREE-DIMENSIONAL MESH MODEL - A method and system to compress and decode mesh data with random accessibility in a three-dimensional mesh model, the system to compress mesh data with random accessibility in a three-dimensional mesh model including: a mesh data acquisition unit to acquire mesh data from a three-dimensional mesh model having a plurality of cells; a wire mesh generation unit to generate a wire mesh including a plurality of wire cells by using the mesh data, each wire cell including at least two cells of the plurality of cells; a data structure generation unit to generate wire mesh information on the wire mesh and wire cell data including mesh data of the respective wire cells; and an encoding unit to compress the generated wire mesh information and the generated wire cell data. | 07-23-2009 |
Sung-Yul Choe, Basan KR
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20090184956 | Method, medium, and system for compressing and decoding mesh data in three-dimensional mesh model - A method, medium, and system for compressing and decoding mesh data in a three-dimensional mesh model is provided. The system for compressing and decoding mesh data in a three-dimensional mesh model includes a mesh data acquisition unit acquiring mesh data from a three-dimensional mesh model, a cluster mesh generation unit generating a plurality of cluster meshes by using the mesh data, and a local quantization unit quantizing geometry information of respective vertexes through application of respective local coordinate systems to the respective cluster meshes and generating quantized data of the respective vertexes included in the respective cluster meshes. | 07-23-2009 |
Sun-Jong Choe, Gyeonggi-Do KR
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20100226081 | SLIDE TYPE PORTABLE TERMINAL - Disclosed is a slide type portable terminal which includes a clean back cover covering a back surface of a sliding housing during the sliding of the sliding housing. The cover prevents the back surface from being exposed. The terminal further has a double sliding assembly structure to improve the assembly strength in sliding. The slide type portable terminal including a body housing and a sliding housing sliding relative to the body housing while facing the body housing includes a guide plate formed in the body housing to double guide a sliding of the sliding housing, and a double sliding plate formed in the sliding housing to be double assembled with the guide plate and engaged with the guide plate to slide. | 09-09-2010 |
20150077655 | ELECTRONIC DEVICE WITHOUT FRONT CASE FRAME - An electronic device includes a case frame including a component receiving space, a substrate assembly received in the component receiving space of the case frame, and a display module electrically connected to the substrate assembly and coupled to the case frame to form an exterior of the electronic device. Thus, the electronic device can lower a production cost by reducing the number of the components, increase production efficiency by reducing the assembly processes, and achieve slimness and lightness compared to a conventional electronic device. | 03-19-2015 |
Suuk Choe, Changwon-Si KR
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20130056032 | ROBOT CLEANER, AND SYSTEM AND METHOD FOR REMOTELY CONTROLLING THE SAME - A robot cleaner is accessed to a terminal through a network. A situation inside a house can be real-time checked from the outside, and the situation can be rapidly handled according to a state of the robot cleaner. The robot cleaner can patrol a predetermined region or move to a user's desired location, and can provide, to the user through the terminal, images captured on a moving path or the user's desired location. The robot cleaner can provide image information captured during the cleaning to the terminal. And, the terminal can video-record the image information. | 03-07-2013 |
20130060379 | ROBOT CLEANER, AND SYSTEM AND METHOD FOR REMOTELY CONTROLLING THE SAME - Disclosed are a robot cleaner, and a system and method for remotely controlling the robot cleaner. Since the robot cleaner is accessed to a terminal through a network, the robot cleaner can be controlled in more various manners. A situation inside a house can be real-time checked from the outside, and the satiation can be rapidly handled according to a state of the robot cleaner. Since the terminal and the robot cleaner are connected to each other through a network, a voice call function and an interphone function can be implemented. Furthermore, the robot cleaner can perform automatic cleaning, manual cleaning, and reservation cleaning in an autonomous manner, or in a remote-controlled manner. | 03-07-2013 |
Won Choe, Yongin-Si KR
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20090185835 | IMAGE FORMING APPARATUS - An image forming apparatus is disclosed. The image forming apparatus includes a photosensitive body, a magnetic roller disposed at a predetermined distance from the photosensitive body, and a donor roller disposed between the photosensitive body and the magnetic roller. The donor roller has a diameter larger than the closest distance between the photosensitive body and the magnetic roller. The image forming apparatus includes gap rings and pressing device to maintain desired gaps between the magnetic roller and the donor roller and between the donor roller and the photosensitive body. | 07-23-2009 |
Wonhee Choe, Gyeongiu-Si KR
Patent application number | Description | Published |
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20080252558 | COLOR DISPLAY APPARATUS - Disclosed herein is a color display apparatus which has a pixel pattern including a plurality of repeating units of a pixel array, wherein each of the plurality of repeating units of the pixel array is composed of at least five sub-pixels while including at least one sub-pixel from a first to fourth sub-pixel, respectively, the first sub-pixel representing a red color (R), the second sub-pixel representing a green color (G), the third sub-pixel representing a blue color (B), and the fourth sub-pixel representing a mixed color of at least two colors from among the R, G, and B, and each of the plurality of repeating units of the pixel array corresponds to at least two image pixels. | 10-16-2008 |
Won-Hee Choe, Gyeongiu-Si KR
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20090278048 | MULTILAYER IMAGE SENSOR - An image sensor is provided which includes a multilayer structure having a first light receiving unit to extract a signal corresponding to color information of incident light of a visible region and a second light receiving unit to extract a signal corresponding to light of an infrared region and white light corresponding to the visible region. | 11-12-2009 |
Won-Hee Choe, Gyeonggu-Si KR
Patent application number | Description | Published |
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20090285476 | APPARATUS AND METHOD FOR COMBINING IMAGES - Provided are an image composition apparatus for composing color images with black-and-white images including infrared components, and an image composition method thereof. The image composition method includes generating a first image signal with color information and a second image signal including infrared components without color information, dividing the first image signal into a brightness signal and a color signal, composing the brightness signal of the first image signal with a brightness signal of the second image signal to generate a composed brightness signal, and composing the composed brightness signal with the color signal of the first image signal to generate a color image. | 11-19-2009 |
Won-Hee Choe, Yongin-Si KR
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20120200731 | COLOR RESTORATION APPARATUS AND METHOD - A color restoration apparatus is provided. The color restoration apparatus including a color correction gain generator configured to compensate for a first broad-band pixel value of a first image, which is acquired from a single-exposure environment, based on a saturation gain for compensating for a difference between a time of the saturation of a broad-band pixel value and a time of the saturation of a narrow-band pixel value, and to calculate a color correction gain based on a first narrow-band pixel value of the first image and the compensated first broad-band pixel value, and a color corrector configured to compensate for a second broad-band pixel value of a second image, which is acquired from a dual-exposure environment, based on a color gain difference compensation value for compensating for a difference between color gains applied to the second image, and to calculate a restored narrow-band pixel value based on the second narrow-band pixel value, the compensated second broad-band pixel value, and the color correction gain. | 08-09-2012 |
Won-Hee Choe, Hwaseong-Si KR
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20110019014 | APPARATUS AND METHOD FOR OBTAINING MOTION ADAPTIVE HIGH DYNAMIC RANGE IMAGE - Disclosed is an apparatus and method for obtaining a motion adaptive high dynamic range image, in which a motion degree of a first image and a second taken using different exposure times is calculated. The motion calculation intensity is adjusted based on the calculated motion degree. The motion compensation intensity involves a global motion compensation and/or a location motion compensation. Images subjected to compensation are synthesized and output, so that an image having high dynamic range is obtained. | 01-27-2011 |
20110069200 | HIGH DYNAMIC RANGE IMAGE GENERATING APPARATUS AND METHOD - A high dynamic range (HDR) image generating apparatus and method is provided. The HDR image generating apparatus may set an auto-exposure time, a long exposure time, a short exposure time, and a reference exposure time. The auto-exposure time may be set to be shorter than the long exposure time, the short exposure time may be set to be shorter than the auto-exposure time, and the reference exposure time may be set to fall within a range between the auto-exposure time and the short exposure time. The image generating apparatus may obtain a first image with the long exposure time and a second image with the reference exposure time, may correct motion in the first image and adjust a dynamic range of the second image, and then may composite the resultant first and second images to generate a high dynamic range image. | 03-24-2011 |
20110069324 | Modulator, Apparatus for Obtaining Light Field Data Using Modulator, and Apparatus and Method for Processing Light Field Data Using Modulator - A technology of acquiring and processing light field data for images is provided. A light field data acquisition apparatus includes a modulator with an attenuation pattern to spatially modulate a | 03-24-2011 |
20110069906 | METHOD AND APPARATUS FOR BLENDING IMAGES - A method and apparatus may include aligning a reference image and an input image through ROI-based image alignment; detecting an ROI associated with an incompletely aligned region in the aligned image; and blending the aligned reference image and input image by using a plurality of weights which are attenuated according to a spatial distance from a boundary of the detected ROI. In addition, the method and apparatus may include aligning a reference image and an input image through image alignment based on an n | 03-24-2011 |
20110096201 | APPARATUS AND METHOD FOR GENERATING HIGH ISO IMAGE - An apparatus and method for generating a high ISO image are provided. To this end, an image may be divided into a first image having a low frequency component and a second image having a high frequency component. A brightness of the first image may be changed, and details of the second image may be restored. The first image having the changed brightness and the second image having the restored details may be synthesized. | 04-28-2011 |
20110155908 | COLOR FILTER ARRAY AND IMAGE OBTAINING APPARATUS - A color filter array and image obtaining apparatus are provided. The color filter array includes at least one unit cell having a predetermined array of pixels, and the predetermined array including the color pixels and transparent pixels. Each 2×2 array of pixels in the unit cell includes one transparent pixel and three color pixels and at least one transparent pixel is located in each row or in each column of the unit cell. The image obtaining apparatus generate an electrical image signal corresponding to sensed light that has passed through the color filter array. | 06-30-2011 |
20110310276 | OPTICAL APPARATUS AND IMAGING APPARATUS USING THE SAME - An optical apparatus and an imaging apparatus capable of facilitating capturing images with a simpler structure are provided. The imaging apparatus includes a color filter divided into a plurality of regions, each of the regions configured to allow light of a preset wavelength range to pass therethrough, a main lens disposed at a front or a rear of the color filter to allow light to pass therethrough, and an optic unit to allow the light passing through the color filter or the main lens to pass therethrough. | 12-22-2011 |
20110317018 | Image sensor and method using near infrared signal - An image sensor capable of ensuring high sensitivity image and minimizing color distortion is provided. The image sensor includes a first filter unit, a second filter unit formed at a lower part of the first filter unit and a sensor unit formed at a lower part of the second filter unit. The first filter unit is configured to pass light corresponding to a visible light region, pass light corresponding to a first region of a longer wavelength than the light corresponding to the visible region and cut off light corresponding to a second region of a longer wavelength than the light corresponding to the first region. The second filter unit is configure to pass light having a predetermined wavelength in a wavelength range corresponding to the visible light region among the light passing through the first filter unit and pass light corresponding to the first region. The sensor unit is configured to detect the light passing through the second filter unit. | 12-29-2011 |
20120020555 | APPARATUS AND METHOD FOR PROCESSING IMAGES - Provided are an image processing apparatus and method for restoring a high resolution of an image based on acquired image data using color information. The image processing apparatus selects at least one pixel from among pixels corresponding to narrow-band color information of image data, and estimates wide-band color information of the selected pixel. | 01-26-2012 |
20120236169 | APPARATUS AND METHOD FOR OBTAINING MOTION ADAPTIVE HIGH DYNAMIC RANGE IMAGE - Disclosed is an apparatus and method for obtaining a motion adaptive high dynamic range image, in which a motion degree of a first image and a second taken using different exposure times is calculated. The motion calculation intensity is adjusted based on the calculated motion degree. The motion compensation intensity involves a global motion compensation and/or a location motion compensation. Images subjected to compensation are synthesized and output, so that an image having high dynamic range is obtained. | 09-20-2012 |
Won Joon Choe, Cheongju-Si KR
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20100165532 | FAULT CURRENT LIMITER - The present disclosure is related to a fault current limiter comprising, a current limiting unit configured to limit a fault current according to a reactance value by increasing the reactance value if the fault current is generated, and a driving unit configured to increases an inductance of the current limiting unit by generating a repulsive force by means of the fault current when the fault current is received and the driving unit is connected to the front end of the current limiting unit. | 07-01-2010 |
20110261496 | HYBRID FAULT CURRENT LIMITER - The present invention is related to a hybrid fault current limiter comprising a switching unit detaching a moving contact located on a cable and transmitting a trip signal if a fault current is flowed at an electric power system, a semiconductor switching unit connected in series with the switching unit and configured to be turned off to limit the flow of the fault current when the trip signal is transmitted, and a circuit breaking unit connected in parallel to the switching unit and the semiconductor switching unit and configured to limit the fault current detoured from the switching unit and the semiconductor switching unit. The present invention provides rapid treatment for the fault current problem by applying the algorithm sensing the occurrence of the fault current and the algorithm limiting the fault current simultaneously. | 10-27-2011 |
20130021067 | METHOD FOR DRIVING IGBT - Provided is a method for driving an IGBT, wherein a transient voltage applied across the IGBT is reduced by reducing a slope of a gate-emitter voltage of IGBT. | 01-24-2013 |
20130021705 | FAULT CURRENT LIMITER - Provided is a fault current limiter, the limiter including a detector detecting an inflow of a fault current and transmitting a turn-off signal to a power semiconductor element; the power semiconductor element changed to an OFF state by the turn-off signal; and a resistance element connected in parallel to the power semiconductor element to block the fault current. | 01-24-2013 |
20130021706 | FAULT CURRENT LIMITER - Provided is a fault current limiter, the limiter including a detector detecting an inflow of a fault current and transmitting a turn-on signal to a first switch and transmitting a turn-off signal to a power semiconductor element, the power semiconductor element changed to an OFF state by the turn-off signal, the first switch forming a current limiting circuit by being switched to an ON state by the turn-on signal, and a resistance element blocking the fault current, wherein the series connection between the resistance element and the first switch is connected in parallel to the power semiconductor element. | 01-24-2013 |
20130021707 | PROTECTION COORDINATION SYSTEM - Provided is a protection coordination system, the system includes a current limiter arranged on a line between a first and a relays to limit a fault current generated to within a predetermined scope. | 01-24-2013 |
20130043017 | HEAT SINKING PLATE - Provided is a heat sinking plate, the plate formed with a square-shaped opening of a predetermined length when viewed from the other direction of a rectangular metal plate by erecting four triangles obtained by diagonally and crossly cutting a square of a predetermined length to one direction of the metal plate at a predetermined first angle relative to the metal plate. | 02-21-2013 |
20140118001 | FAULT CURRENT DETECTING CIRCUIT - The fault current detecting circuit includes: a current detection unit that outputs a current detection signal; a first comparing circuit unit that compares the current detection signal with a predetermined reference current value and outputs a first output signal; a differentiator that differentiates the current detection signal to output a change slope of the current detection signal; a second comparing circuit unit that compares the change slope with a predetermined reference change slope value and outputs a second output signal; a third comparing circuit unit that compares the current detection signal with a predetermined current detection limit reference value and output a third output signal; and a trip determining unit that outputs a trip control signal only when the first output signal and the second output signal are maintained to be received and the third output signal is not received. | 05-01-2014 |
Won-Jun Choe, Yongin-Si KR
Patent application number | Description | Published |
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20120013598 | DATA DRIVE CIRCUIT OF FLAT PANEL DISPLAY AND DRIVING METHOD THEREOF - The data driver of a flat panel display includes: an output driver configured to output a plurality of amplified data signals for a plurality of channels corresponding to a plurality of data lines, the plurality of channels including: a plurality of amplifiers configured to amplify a plurality of input data signals and to supply the amplified data signals to the data lines; and a plurality of chopping controllers, each of the chopping controllers being coupled connected to a plurality of input terminals of a corresponding amplifier of the amplifiers and configured to receive a first control signal or a second control signal to periodically change signals applied to positive and negative input terminals from among the input terminals of the amplifiers. | 01-19-2012 |
Won-Jun Choe, Yongin-City KR
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20110157105 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device is disclosed. The organic light emitting display device includes: a panel having scan lines and data lines, with pixels positioned at intersection portions of scan lines and data lines, wherein the panel has a generally rectangular shaped display surface with two long sides and two short sides; a scan driver for driving the scan lines; and a data driver for driving the data lines, wherein transistors associated with the pixels pass through a crystallization process, and a laser beam is irradiated onto the panel in a direction parallel with a short sides of the panel in the crystallization process. | 06-30-2011 |
20120206176 | COARSE LOCK DETECTOR AND DELAY-LOCKED LOOP INCLUDING THE SAME - A coarse lock detector is disclosed. The course lock detector uses an initial lock range to determine course lock, and once course lock is achieved, uses a modified lock range to determine course lock. | 08-16-2012 |
20120206185 | LEVEL-DOWN SHIFTER - A level-down shifter includes: a first load device between a first voltage and a first node; a second load device between the first voltage and a second node; a first input device between the first node and a third node, receiving a reference voltage signal, and adjusting a first node voltage of the first node based on the reference voltage signal; a second input device between the second node and the third node, receiving an input signal, and adjusting a second node voltage of the second node based on the input signal; and a current source between a second voltage and the third node, receiving the second node voltage of the second node, and adjusting a third node voltage of the third node and a bias current based on the second node voltage of the second node, wherein a level of the input signal is higher than the first voltage. | 08-16-2012 |
20120212264 | COARSE LOCK DETECTOR - A coarse lock detector for a delayed locked loop (DLL) is disclosed. The coarse lock detector includes multiple detection cells. Each detection cell receives a delayed clock phase and an output of a previous detection cell as inputs. To increase time for the output of the previous detection cell to propagate, the detection cells are arranged in groups such that the output from the previous detection cell is generated by a detection cell which is more than one detection cell previous. | 08-23-2012 |
20120212474 | IMAGE DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - An image display device capable of reducing power consumption. The image display device includes: a position determining unit for determining positions of horizontal lines to which data input to a timing controller are to be supplied; a look-up table (LUT) for storing pre-emphasis voltage information corresponding to the positions of the horizontal lines; the timing controller for transmitting the data and the pre-emphasis voltage information to a data driver; a pre-emphasis voltage generator for generating a pre-emphasis voltage to correspond to the pre-emphasis voltage information from the data driver; and the data driver for supplying the pre-emphasis voltage to data lines in a partial period of a horizontal period and for supplying a data signal in a remaining period of the horizontal period. | 08-23-2012 |
20120256971 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting diode display having improved display quality is disclosed. The organic light emitting diode display includes pixels positioned at intersections of scan lines and data lines, an emission control unit for controlling emission times of the pixels according to a second emission width signal indicating emission time information of the pixels, and an emission time controller for dividing the pixels into a plurality of blocks and for generating the second emission width signal according to a brightness history of the blocks. | 10-11-2012 |
20120306936 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display and a method of driving the display are disclosed. The organic light emitting display limits the rate of brightness change so as to reduce undesired visual artifacts. | 12-06-2012 |
20130285997 | DATA DRIVER AND METHOD OF DRIVING ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A data driver includes a holding latch unit including a plurality of holding latches that store data, a signal generator including a plurality of digital-analog converters (DAC) for receiving the data to generate data signals, and a switching unit coupled between the signal generator and data lines to couple the plurality of DACs to the data lines or to commonly couple one of the plurality of DACs to the data lines. | 10-31-2013 |
20140198091 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display includes a scan driving unit applying scan signals and light emitting control signals through a plurality of scan lines and light emitting control lines, a data driving unit applying data signals through a plurality of data lines, a power supply supplying an electric power to a plurality of power supply entries, a pixel unit including a plurality of pixels receiving the plurality of scan signals, light emitting control signals, data signals, and the electric power to display an image, the pixel unit being divided into a plurality of regions corresponding to the plurality of power supply entries, and a current limiting circuit using data current values accumulated region by region in the plurality of regions to output current limiting signals for limiting brightness of the pixel unit. | 07-17-2014 |
20140300937 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting diode (OLED) display is disclosed. One ascpect includes a pixel unit including a plurality of pixels formed at portions at which scanning lines and data lines intersect with each other; a scan driver for supplying scan signals to the scanning lines. The OLED display further comprises a data driver for supplying data signals to the data lines; and a data compensation unit changing the input data using a correction coefficient stored as a unit of a pixel block including a plurality of pixels and supplying the changed input data to the data driver. In such OLED display, the pixel block is divided so that the number of pixel arranged in the first direction is different from the number of pixel arranged in the second direction which intersects with the first direction. | 10-09-2014 |
20140312941 | COARSE LOCK DETECTOR - A coarse lock detector for a delayed locked loop (DLL) is disclosed. The coarse lock detector includes multiple detection cells. Each detection cell receives a delayed clock phase and an output of a previous detection cell as inputs. To increase time for the output of the previous detection cell to propagate, the detection cells are arranged in groups such that the output from the previous detection cell is generated by a detection cell which is more than one detection cell previous. | 10-23-2014 |
Won-Kyu Choe, Yongin-City KR
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20140110674 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - An organic light emitting display device and a method of manufacturing the same are proposed. The organic light emitting display device includes a display unit having a plurality of sub-pixels, each of which includes a pixel electrode and a counter electrode facing each other and a light emitting layer interposed therebetween; an encapsulation substrate, which covers the display unit; and an auxiliary electrode, which is formed on a surface of the encapsulation substrate, which faces the display unit, and is connected to the counter electrode. Using the structure, voltage drop may be effectively reduced by connecting an auxiliary electrode formed on an encapsulation substrate to a counter electrode, thereby improving reliability of an organic light emitting display device employing the same. | 04-24-2014 |
20140110680 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display apparatus includes: a substrate; a plurality of thin film transistors on the substrate, each of the thin film transistors including an active layer, a gate electrode, and source and drain electrodes; first electrodes electrically connected to the plurality of thin film transistors, respectively, and being on respective pixels corresponding to the plurality of thin film transistors; organic layers on the first electrodes, respectively, and including light-emitting layers; auxiliary electrodes each of which is on at least a portion between adjacent organic layers of the organic layers; and a second electrode facing the first electrodes and covering the organic layers and the auxiliary electrodes. | 04-24-2014 |
Woonje Choe, Changwon-Si KR
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20130232813 | CONTROLLING METHOD FOR A WASHING MACHINE - A control method for a drying machine according to one exemplary embodiment is applied to a drying machine which selects at least one of a heat pump system and a heater to use as a heat source for heating air to be supplied into the drum. The control method includes activating the heat pump system when both of the heat pump system and the heater are selected as the heat source, and determining whether or not a compressor included in the heat pump system normally operates. Whether or not to use the heater as the heat source is decided according to whether or not the compressor normally operates. | 09-12-2013 |
Woon Je Choe, Changwon-Si KR
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20130185079 | HOME APPLIANCE, HOME APPLIANCE SYSTEM, AND METHOD FOR OPERATING SAME - The present invention relates to a home appliance, to a home appliance system, and to a method for operating same, wherein the home appliance and a mobile terminal are connected to one another to add or update data in the home appliance through the mobile terminal connected thereto, diagnose the state of the home appliance by means of the mobile terminal, and supplement the function of the home appliance by means of the mobile terminal, thus expanding the functions of the home appliance to enable the easy control of the home appliance, and more conveniently controlling the home appliance. | 07-18-2013 |
Wooyoung Choe, Paju-Si KR
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20130100181 | DIGITAL HOLOGRAM IMAGE REPRODUCING DEVICE AND SYNCHRONIZATION CONTROL METHOD THEREOF - A digital hologram image reproducing device includes a light modulator reproducing a hologram interference fringe image, a first panel driving circuit which scans a first display panel and writes data of the hologram interference fringe image to the first display panel, a first timing controller controlling an operation timing of the first panel driving circuit, a second panel driving circuit which scans a second display panel and writes data of the hologram interference fringe image to the second display panel, a second timing controller controlling an operation timing of the second panel driving circuit, and a panel synchronization circuit which simultaneously transfers a polarity control signal received from one of the first and second timing controllers to the first and second panel driving circuits. | 04-25-2013 |
20140176671 | APPARATUS FOR DISPLAYING A HOLOGRAM - An apparatus for displaying a hologram comprises: a hologram display panel that represents light having the hologram images to an observer; a detecting camera that decides a position of the observer; a deflector that forms a prism pattern to refract the light corresponding to the detected position of the observer; and a deflector driver that supplies a driving voltage corresponding to a inclined angle for forming the prism pattern, wherein the deflector includes: a plurality of first electrodes running to a first direction and divided into a plurality of electrode groups; a plurality of connection electrodes running to a second direction crossing with the first direction, and connecting same numbered first electrodes of the electrode groups, wherein each end of the connection electrodes forms a pad portion; and a second electrode facing to the plurality of the first electrodes with a liquid crystal cell therebetween. | 06-26-2014 |
20140300839 | HOLOGRAPHY 3D DISPLAY - The present disclosure relates to a holography three dimensional display in which no 3D cross-talk problem is arisen. The present disclosure suggests an apparatus for displaying hologram images comprising: a display panel displaying a hologram image; a back light unit disposed at one side of the display panel for supplying a back light; a first light path deflecting cell disposed at another side of the display panel facing away from the back light unit for forming a first prism pattern along a first direction rotating by a predetermined angle from a horizontal axis of the display panel; and a second light path deflecting cell disposed in front of the first light path deflecting cell for forming a second prism pattern along a second direction perpendicular to the first direction. | 10-09-2014 |
Yong Sahm Choe, Gyeonggi-Do KR
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20110021942 | APPARATUS AND METHOD OF ANALYZING CONSTITUENTS OF GAS IN ORAL CAVITY AND ALVEOLAR GAS - An apparatus and a method of analyzing constituents of gas in an oral cavity and exhaled breath is disclosed. The apparatus for analyzing the constituents of gas in the oral cavity and exhaled breath according to the present invention includes a filter to filter the outside gas by adsorbing polar molecules and non-polar molecules in the outside air and by removing water in the outside air in order to use the outside gas as carrier gas. The apparatus can also include a plurality of solenoid valves for controlling the flow of a carrier gas; a sensor for detecting components of the exhaled breath; a pump to draw the gas in the oral cavity or the exhaled breath and the carrier gas and discharge the gases to the outside; a control unit for controlling the components of the apparatus; and a display device to display results calculated by the control unit. | 01-27-2011 |
Yoonsik Choe, Gyeonggi-Do KR
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20110182355 | APPARATUS AND METHOD FOR DETERMINING ADAPTIVE FILTER TAP TO ENCODE WAVELET TRANSFORM COEFFICIENT, WAVELET TRANSFORM APPARATUS AND METHOD USING THE SAME, AND RECORDING MEDIUM FOR THE SAME - The present disclosure relates to an apparatus and method for determining an adaptive filter tap to encode a wavelet transform coefficient, a wavelet transform apparatus and a method using the same, and a recording medium for the same, wherein the filter tap is determined rendering the high-band energy to be minimized, based not only on whether an edge is present but also on the edge location so as to adaptively determine the filter tap for an efficient coding of the wavelet transform coefficient. Therefore, the disclosure is able to prevent ringing artifacts and increase coding efficiency while maintaining clear definition on the edges. | 07-28-2011 |
20110182358 | WAVELET TRANSFORM APPARATUS AND METHOD BASED ON PREDICTION-UPDATE LIFTING SCHEME, AND ADAPTIVE PREDICTION APPARATUS AND METHOD AND RECORDING MEDIUM FOR THE SAME - The present disclosure relates to a wavelet transform apparatus and method based on a prediction-update lifting scheme, and an adaptive prediction apparatus and method and a recording medium for the same. The disclosure comprises the steps of: setting first updated even polyphase samples influenced when being updated from corresponding odd polyphase samples, setting plural candidate groups for prediction direction based on the set first updated even polyphase samples, selecting a first prediction direction from the candidate groups to minimize the energy in a high band, obtaining a first prediction value based on the first prediction direction and the updated even polyphase samples corresponding to the first prediction direction, and obtaining residual odd polyphase samples by deducting the first prediction value from the corresponding odd polyphase samples. Therefore, the present disclosure is able to increase encoding efficiency by minimizing energy transfer to a high band signal when removing the spatial correlation within an image using a directional wavelet transform designed based on the prediction-update lifting scheme. | 07-28-2011 |
20110200098 | VIDEO ENCODING/DECODING APPARATUS AND ADAPTIVE OVERLAPPED BLOCK MOTION COMPENSATION METHOD AND APPARATUS EMPLOYING ADAPTIVE WEIGHTS THEREFOR - The present disclosure provides an adaptive overlapped block motion compensation apparatus employing adaptive weights including: an R | 08-18-2011 |
20110200100 | MOTION PICTURE ENCODING/DECODING APPARATUS, ADAPTIVE DEBLOCKING FILTERING APPARATUS AND FILTERING METHOD FOR SAME, AND RECORDING MEDIUM - A video encoding/decoding apparatus, an adaptive deblocking filtering apparatus and a filtering method for same, and a recording medium are disclosed. The filtering apparatus includes: a boundary strength determiner for determining strength of boundaries between subblocks of current block; a direction selector for selecting multiple directions preset with reference to the boundary sequentially; a filtering pixel selector for selecting pixels for filtering based on selected directions; a filtering determiner for determining whether to perform the filtering for the selected directions depending on relationships between pixel values of selected pixels; and a filtering unit for filtering the selected pixels in the selected directions depending on the determination of whether to perform filtering to apply pixel-wide deblocking filtering in a plurality of directions as well as in vertical and horizontal directions, thus effectively removing block distortions resulting from a diagonal discontinuity caused byedges in a plurality of diagonal directions. | 08-18-2011 |
20110200103 | VIDEO ENCODING/DECODING APPARATUS, DE-BLOCKING FILTER AND FILTERING METHOD BASED ON INTRA-PREDICTION DIRECTIONS FOR SAME, AND RECORDING MEDIA - A video encoding/decoding apparatus, a deblocking filter and filtering method based on intra-prediction directions for same, and recording media are disclosed, and the deblocking filter includes: a boundary strength determiner for determining strength of boundary of current block; an intra-block identifier for confirming intra-block identity of a subblock enclosing first pixel at a certain location with reference to the boundary; an intra-prediction direction identifier for identifying an intra-prediction direction of the subblock if the subblock is identified as an intra-block; a filtering pixel selection unit for selecting pixels for filtering based on the first pixel and the identified intra-prediction direction; and a filtering unit for filtering in horizontal direction, vertical direction, or diagonal direction depending on the intra-prediction direction and relationships between pixel values of the selected pixels to eliminate deblocking artifacts within diagonal edges at a boundary between blocks by deblocking filtering in the intra-prediction direction. | 08-18-2011 |
20110206114 | MOTION PICTURE ENCODING/DECODING APPARATUS, AND APPARATUS AND METHOD FOR ADAPTIVE OVERLAPPED BLOCK MOTION COMPENSATION BY VARIABLE UNIT FOR SAME - The present disclosure relates to a video encoding/decoding apparatus, and apparatus and method for adaptive overlapped block motion compensation by variable units for same. The apparatus and the method for adaptive overlapped block motion compensation by variable units, according to the present disclosure, when conducting a motion compensation, enable an encoder to perform an adaptive overlapped block motion compensation for a plurality of predetermined scan modes and sampling modes, and enable the encoder to calculate the computation volume occurring in said compensation and residual pixel energy, estimate the performance for each mode based on the calculation, determine an optimum scan mode and an optimum sampling mode, thus enabling a decoder to perform a motion compensation with optimum performance and less computing volume based on the determined mode. | 08-25-2011 |
20110210875 | ENCODING METHOD AND ENCODING APPARATUS FOR B-TRANSFORM, AND ENCODED DATA FOR SAME - The present disclosure relates to an encoding method and to an encoding apparatus for B-transform, and to encoded data for same. The apparatus is for encoding input data and includes: a B-transform unit for performing a B-transform on the input data to generate a binary expression; and an encoder for removing one or more binary symbols from the binary expression and scanning the binary expression with the one or more binary symbols removed to generate a bitstream. According to the present disclosure, it is possible to encode uniform distribution data efficiently, and using the B-transform by its characteristics for reducing the bit number in the generation of the binary expressions from the B-transform operation on the uniform distribution data enhances the data compression performance. | 09-01-2011 |
20110235704 | MOTION PICTURE ENCODING/DECODING APPARATUS, AND METHOD AND APPARATUS FOR HYBRID BLOCK MOTION COMPENSATION/OVERLAPPED BLOCK MOTION COMPENSATION FOR SAME - A hybrid block motion compensation/adaptive overlapped block motion compensation apparatus for an encoding apparatus includes: a selector for selecting between a block motion compensation BMC and an overlapped block motion compensation OBMC with respect to a current block in units of pixels according to a set criterion; an adaptive motion compensator; a scan mode setter for scanning the current block in a plurality of set scan modes and establishing a scan mode causing a smallest number of transitions between the BMC and OBMC; and an information recorder for recording transition information at locations of the pixels corresponding to the transitions between the BMC and OBMC. A decoding apparatus is disclosed including: an interpreter for scan mode information of a current block and information about transitions between the BMC and OBMC for each of pixels of the current block; and an adaptive motion compensator for operating in units of the pixels. | 09-29-2011 |
20110268188 | BLOCK MODE ENCODING/DECODING METHOD AND APPARATUS, AND METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING USING THE SAME - The present disclosure relates to method and apparatus for block mode encoding/decoding and a method and apparatus for video encoding/decoding using the same. The disclosure provides a block mode encoding apparatus that predicts the block mode of a current block and encodes the block mode of the current block depending on whether the block mode of the current block is same as the block mode predicted, to output encoded mode information. The disclosure can reduce the quantity of bits used to encode information on the block mode, thus enhancing the efficiency of video compression. | 11-03-2011 |
20120219056 | METHOD, APPARATUS, AND RECORDING MEDIUM FOR ENCODING MOTION PICTURES THROUGH SECOND PREDICTION BASED ON REFERENCE IMAGES - The present disclosure relates to a method, apparatus, and recording medium for encoding videos (adaptive prediction errors) through a reference image-based second prediction to reduce predictive errors and may include in an aspect: generating first prediction error signals based on input signals and prediction signals; generating second prediction error signals based on a first prediction error signal of a current block and a first prediction error signal of a reference block; performing an adaptive DCT transform followed by a quantization on the first prediction error signals or the second prediction error signals into quantized signals; and encoding the quantized signals. | 08-30-2012 |
20120224777 | METHOD AND APPARATUS FOR ENCODING AN INTRA-PREDICTION MODE USING VARIABLE LENGTH CODES, AND RECORDING MEDIUM FOR SAME - The disclosure relates to a method, apparatus, and recording medium for encoding an intra-prediction mode of an image using variable length codes, including: determining an intra prediction mode of a current block; determining an intra prediction mode having smallest mode number among intra prediction modes of encoded adjacent blocks as Most Probable Mode; generating and allocating variable length codes in ascending order from shorter code with higher similarity for directivity with MPM for all intra-prediction modes; and encoding intra prediction mode of current block based on allocated variable length codes, and thereby generates efficient variable length codes in consideration of high correlation in the intra-prediction modes of current block and peripheral blocks even if intra-prediction mode of current block does not match MPM derived with reference to peripheral blocks, and efficiently compressing information on intra-prediction mode of current block using variable length codes, thereby improving intra video encoding performance. | 09-06-2012 |
20120275522 | METHOD AND APPARATUS FOR MOTION VECTOR ENCODING/DECODING USING SPATIAL DIVISION, AND METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING USING SAME - The present disclosure relates to a method and apparatus for motion vector encoding/decoding using spatial division, and to a method and apparatus for image encoding/decoding using same, wherein the motion vector encoding method includes: aggregating predicted motion vector candidates of a current block into a plurality of groups; selecting representative predicted motion vectors for respective groups by selecting one of aggregated predicted motion vector candidates within the respective groups as representative predicted motion vector; selecting single representative predicted motion vector from the representative predicted motion vectors for the respective groups as a predicted motion vector; and encoding a differential vector representing difference between a current motion vector of the current block and a selected predicted motion vector. The disclosure suppresses an increase in bit rate caused by encoding side information for indicating which predictor motion vector is selected while is reducing the size of the differential vector to be encoded. | 11-01-2012 |
20120307899 | APPARATUS AND METHOD FOR ENCODING/DECODING MULTI-PLANE IMAGES USING BI-PREDICTION AND RECORDING MEDIUM USING SAME - The present disclosure relates to technology for generating an efficient predicted image by using a correlation between color planes in encoding of a multi-plane video. An apparatus for encoding a multi-plane video including two or more color planes by using a bi-prediction includes: an intra-predictor for generating a first predicted block by performing an intra-prediction on a current block of a current plane; an inter-plane predictor for generating a second predicted block by performing an inter-plane prediction; a dual-plane predictor for generating a third predicted block based on the first predicted block and the second predicted block; an optimum mode determiner for selecting one optimum predicted block having a highest encoding efficiency from the first to third predicted blocks; and an encoder or a decoder for encoding or decoding the current block based on a selected optimum predicted block. | 12-06-2012 |
20120307905 | METHOD AND APPARATUS FOR ENCODING/DECODING A MOTION VECTOR BY SELECTING A SET OF PREDICTED CANDIDATE MOTION VECTORS, AND METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING USING THE SAME - A method of encoding a motion vector includes: selecting one of a plurality of predicted candidate motion vector sets by using motion information of neighboring blocks of a current block; selecting one of predicted candidate motion vectors within a selected predicted candidate motion vector set, as a predicted motion vector; encoding a differential motion vector representing a difference between a current motion vector or motion vector of the current block and a selected predicted motion vector; and encoding a predicted motion vector index indicating the selected predicted motion vector. As a motion vector is encoded after selecting an efficient predicted candidate motion vector set, the size of a differential vector to be encoded can be reduced without necessarily encoding additional information to indicate which set of predicted candidate motion vectors has been selected, resulting in improved compression efficiency of motion vectors and in turn the improved video compression efficiency. | 12-06-2012 |
20120307906 | ADAPTIVE SECONDARY PREDICTION-BASED IMAGE ENCODING/DECODING METHOD, DEVICE AND RECORDING MEDIUM - The present disclosure provides a video encoding/decoding method including: selectively frequency transforming a first residual block generated by subtracting a predicted block from a current block, generating a first quantized block for the first residual block or the frequency transformed first residual block, generating a second quantized block, if the first quantized block is a quantized first residual block from quantizing the first residual block, through selectively performing a secondary prediction on the quantized first residual block by using a secondary predicted motion vector set, encoding information on whether the frequency transforming is performed and selectively encoding information on the secondary prediction, encoding the first quantized block or the second quantized block into a bitstream, and decoding the same. | 12-06-2012 |
20120320965 | APPARATUS AND METHOD FOR ENCODING/DECODING A MULTI-PLANE IMAGE, AND RECORDING MEDIUM FOR SAME - The present disclosure relates to a multi-plane image encoding technology for adaptively determining the encoding sequence of planes in the image based on the characteristics of the image to be coded, and provides a multi-plane image encoding apparatus including a plane encoding sequence determiner for adaptively determining a sequence of multiple color planes inputted in a predetermined unit based on the encoding cost; and an encoder for encoding the multiple color planes inputted by the predetermined unit in the determined sequence. Encoding the multi-plane image with the sequence of the planes in the input image determined by the image characteristics enables an increased efficiency of encoding over conventional fixed plane sequence encoding, providing a particularly higher encoding efficiency when performing predictions between the planes. | 12-20-2012 |
20130003825 | DEVICE AND METHOD FOR EXTRACTING CORRELATION PARAMETERS BETWEEN COLOUR PLANES FOR PREDICTION, AND A RECORDING MEDIUM FOR THE SAME - The present disclosure relates to extracting correlation parameters between color planes for prediction by extracting optimum correlation parameters between the color planes using neighboring blocks when a prediction screen is generated through the use of the correlation between the color planes in video encoding. The technology includes neighboring block searching unit responsive to a second block of a reconstructed previous plane corresponding to a first block to be encoded of a current plane, for searching for a third block belonging to neighboring blocks of the second block and having smallest difference in pixel value from the second block; correlation parameter calculator for calculating correlation parameters between the third block and a fourth block reconstructed of the current plane and corresponding to the third block, based on the third block and the fourth block, and predictor for predicting the first block based on the second block and calculated correlation parameters. | 01-03-2013 |
20130195176 | METHOD AND DEVICE FOR ENCODING/DECODING IMAGE USING ADAPTIVE ENCODING/DECODING MODE INDEXING METHOD - A video encoding/decoding apparatus and method using adaptive encoding/decoding mode indexing are provided. A video encoding apparatus includes: a probability generation unit for calculating a probability of each encoding mode of blocks completely encoded before a current block; a bit assignment unit for assigning and indexing a bin string according to the probability of each encoding mode, which is calculated by the probability generation unit; and a video encoding unit for encoding an encoding mode of the current block, based on the bin string assigned by the bit assignment unit, when the current block is encoded. | 08-01-2013 |
20130202030 | METHOD AND DEVICE FOR IMAGE ENCODING/DECODING USING BLOCK SPLIT PREDICTION - A video encoding/decoding method and apparatus using split prediction is provided. | 08-08-2013 |
20130202039 | METHOD AND DEVICE FOR ENCODING/DECODING IMAGE USING EXTENDED SKIP MODE - A method and apparatus for encoding/decoding an image by using an extended skip mode are provided. The method includes setting a backward reference block motion vector with respect to an adjacent block of a current block as a predictive motion vector of the current block or determining a predictive motion vector from a forward reference block motion vector with respect to a block located in a backward reference picture at the same position as the current block, performing motion compensation by using the predictive motion vector, and setting a prediction mode when the motion compensation results in satisfaction of an optimal skip condition. | 08-08-2013 |
20130215958 | ENCODING AND DECODING DEVICE AND METHOD USING INTRA PREDICTION - The present disclosure relates to encoding and decoding apparatus and method using intra prediction. The encoding apparatus includes a reference pixel characteristics extractor for receiving reference pixel(s) included in neighboring blocks of a target block to encode to determine a reference pixel characteristic and determining whether adaptive filtering is applied to the reference pixel(s), based on reference pixel characteristic; a first intra predictor responsive to when the adaptive filtering is determined by the reference pixel characteristics extractor to be applied for comparing between results of performing intra prediction using high-frequency filtered reference pixel and intra prediction using high-frequency-unfiltered reference pixel to output the cost-efficient result along with filtering information indicating whether to perform filtering; and a second intra predictor for outputting the result of performing the intra prediction using the high-frequency-unfiltered reference pixel when the reference pixel characteristics extractor determines that the adaptive filtering is not to be applied. | 08-22-2013 |
20130215960 | DEVICE AND METHOD FOR COMPETITION-BASED INTRA PREDICTION ENCODING/DECODING USING MULTIPLE PREDICTION FILTERS - An intra prediction encoding apparatus includes: an optimal filter selecting unit for providing a plurality of extrapolation prediction filter candidates for filtering pixels adjacent to a current block to be encoded, with respect to each intra prediction direction or prediction mode of the current block, and selecting a filter having lowest encoding cost among the plurality of extrapolation prediction filter candidates; a residual signal generating unit for generating an extrapolation prediction value of the current block through the filter selected by the optimal filter selecting unit, and generating a residual signal by calculating a difference between a generated extrapolation prediction value of the current block and a pixel value of the current block; a transform and quantization unit for performing transform and quantization on the residual signal generated by the residual signal generating unit; and an entropy encoding unit for performing entropy encoding on a transformed and quantized residual signal. | 08-22-2013 |
20130230106 | METHOD AND DEVICE FOR ENCODING/ DECODING IMAGE HAVING REMOVABLE FILTERING MODE - A video encoding/decoding method and apparatus that may omit a filtering mode is provided. The video encoding/decoding method and apparatus may determine whether to perform filtering on the intra-predicted image for the purpose of obtaining a natural intra-predicted image by using a characteristic of neighboring pixels or an intra-predicted image and thus, may omit additional information for indicating whether filtering is required and improves the performance of compression. | 09-05-2013 |
Yoonsik Choe, Goyang-Si KR
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20130294508 | METHOD AND DEVICE FOR ENCODING AND DECODING BY USING PARALLEL INTRAPREDICTION BY A CODING UNIT - A video encoding apparatus, a video decoding apparatus and method by using parallel intra-prediction by a coding unit-level are provided. The video encoding apparatus includes a left extrapolation pixel generating unit for generating left extrapolation pixels for a coding unit by using at least one of pixels of a top left block of the coding unit according to a direction of an intra-prediction mode with respect to the coding unit and leftmost original pixels of the coding unit; an intra-prediction encoding unit for predicting the coding unit by using neighboring pixels including the left extrapolation pixels to generate a first prediction block and encode the coding unit; and | 11-07-2013 |
20130294509 | APPARATUS AND METHOD FOR ENCODING/DECODING ADDITIONAL INTRA-INFORMATION - The present disclosure provides an apparatus for encoding additional intra-information includes an intra prediction mode selecting unit for performing an intra prediction by applying at least one of one or more predetermined types of partitions and one or more prediction modes with respect to a coding unit, and for selecting at least one of a partition among the one or more types of partitions and a prediction mode among the one or more prediction modes; a partitioning and prediction mode table lookup unit for looking up a table, and for generating a table hit signal if the table has at least one of a partition corresponding to the selected partition and a prediction mode corresponding to the selected prediction mode; and an entropy encoding unit for performing an encoding based on the table, if the table hit signal is received. | 11-07-2013 |
Yoon Sik Choe, Goyang KR
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20130170546 | METHOD OF ADAPTIVE INTRA PREDICTION MODE ENCODING AND APPARATUS FOR THE SAME, AND METHOD OF ENCODING AND APPARATUS FOR THE SAME - Disclosed are a method and an apparatus for intra prediction mode encoding that may increase compression efficiency of intra prediction mode encoding. The intra prediction mode encoding method may include detecting a similarity of a prediction direction of a neighbor block with respect to a current block based on a position of the neighbor block and an intra prediction direction of the neighbor block with respect to the current block, and determining a candidate prediction mode of the current block based on the similarity and the number of candidate intra prediction modes (N). Accordingly, intra encoding performance of an image may be improved by more accurately and efficiently compressing information about an intra prediction mode of a current block by considering local statistics, which is different from a related art in which only global statistics are considered. | 07-04-2013 |
Youngho Choe, Changwon-Si KR
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20120312367 | SOLAR CELL - Discussed is a solar cell including a substrate having a first conductivity type; an emitter layer including a plurality of finger lines connected with an emitter layer; a plurality of rear finger lines connected with a back surface field, wherein the emitter layer includes first areas in contact with the plurality of front finger lines and second areas positioned between the plurality of front finger lines and having a lower doping concentration than that of the first areas, the back surface field includes areas in contact with the plurality of rear finger lines, and the number of the plurality of rear finger lines positioned on a rear surface of the substrate and the number of the plurality of front finger lines positioned on a front surface of the substrate are different. | 12-13-2012 |
20120318345 | SOLAR CELL - A solar cell includes a substrate having a first conductive type; an emitter layer formed on a front side of the substrate and having a second conductive type opposite to the first conductive type; a reflection preventing film on the emitter layer; and a plurality of finger lines that penetrate the reflection preventing film and are connected to the emitter layer. The emitter layer includes a plurality of first regions adjoining the plurality of front finger lines and a plurality of second regions disposed between the plurality of first regions, and the plurality of second regions have a thickness thicker than a thickness of the plurality of first regions. By doing so, a photovoltaic efficiency of the solar cell is improved. | 12-20-2012 |
20130056051 | SOLAR CELL AND MANUFACTURING METHOD THEREOF - A solar cell is formed to have a silicon semiconductor substrate of a first conductive type; an emitter layer having a second conductive type opposite the first conductive type and formed on a first surface of the silicon semiconductor substrate; a back surface field layer having the first conductive type and formed on a second surface of the silicon semiconductor substrate opposite to the first surface; and wherein the emitter layer includes at least a first shallow doping area and the back surface field layer includes at least a second shallow doping area, and wherein a thickness of the first shallow doping area of the emitter layer is different from a thickness of the second shallow doping area of the back surface field layer. | 03-07-2013 |
Young-Hyun Choe, Naju-Si KR
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20090043127 | COMPLEX METAL OXIDE CATALYST WITH HIGH (METH) ACRYLIC ACID SELECTIVITY - Disclosed are a Mo—Bi—Nb—Te based composite metal oxide; and a process for producing (meth)acrylic acid from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, wherein the Mo—Bi—Nb—Te based composite metal oxide is used as a catalyst. Also, disclosed is a process for producing (meth)acrylic acid comprising a first step of producing (meth)acrolein as a main product from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, and a second step of producing (meth)acrylic acid from the (meth)acrolein, wherein yield of (meth)acrylic acid in the product of the first step is 20 mole % or higher. | 02-12-2009 |
20100184591 | METHOD OF PREPARING HETEROPOLY ACID CATALYST - The present invention relates to a method of preparing a heteropoly acid catalyst used for the production of methacrylic acid by gas phase oxidation of methacrolein, more precisely a method of preparing a heteropoly acid catalyst comprising the steps of preparing a slurry by adding metal precursors and ammonium salt to protonic acid Keggin-type heteropoly acid aqueous solution and stirring thereof; and drying, molding and firing the slurry to give a catalyst. The present invention provides a method of preparing a heteropoly acid catalyst exhibiting high methacrolein conversion rate and methacrylic acid selectivity without pre-firing process by using high purity protonic acid Keggin-type heteropoly acid and ammonium salt. | 07-22-2010 |
Young-Hyun Choe, Jeollanam-Do KR
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20100298601 | Catalyst System, Oxidation Reactor Containing The Same, And Preparation Method For Acrolein And Acrylic Acid Using The Same - The present invention relates to a catalyst system, an oxidation reactor comprising the same, and a method for producing an acrolein and an acrylic acid by using the same. By using the catalyst system according to the present invention, when acrolein and acrylic acid are produced, since heat accumulation in a catalyst layer may be effectively prevented, catalyst deterioration may be prevented, and the catalyst may be stably used for a long period of time. In addition, an acrolein and an acrylic acid may be produced at high selectivity and high yield. | 11-25-2010 |
Young-Son Choe, Busan KR
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20130337165 | EPOXY RESIN COMPOSITION INCLUDING SILICA AND CORE-SHELL POLYMER PARTICLES - Disclosed is an impact resistant adhesive composition including silica and core-shell polymer particles. The impact resistant adhesive composition includes: (a) a first component including an epoxy resin and a polymeric dispersant, or an epoxy resin-polymeric dispersant prepolymer; (b) a second component including silica and core-shell polymer particles having a particle diameter of 20 to 250 nm; and (c) a third component including a curing agent and an additive mixture. The polymeric dispersant is a flexible polyether monoamine or polyether diamine which includes a mixed form of a lipophilic alkyl oxide chain and a hydrophilic ethylene oxide chain in the main chain, and has a weight average molecular weight of 500 to 4,000. | 12-19-2013 |
Yun-Geun Choe, Yongin-Si KR
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20110044505 | EQUIPMENT OPERATION SAFETY MONITORING SYSTEM AND METHOD AND COMPUTER-READABLE MEDIUM RECORDING PROGRAM FOR EXECUTING THE SAME - Provided are equipment operation safety monitoring system and method and computer-readable medium having a program recorded thereon, the program allowing a computer to execute the method. The equipment operation safety monitoring system includes an image input unit, an integrated image generation unit, a guideline generation unit, and an image output unit. The image input unit is mounted on heavy equipment and inputs a plurality of images acquired by photographing partitioned areas in all the directions around the heavy equipment. The integrated image generation unit generates an integrated image including the areas in all the directions around the heavy equipment by using the plurality of the images. The guideline generation unit generates a guideline indicating a position separated by a predetermined distance from the heavy equipment. The image output unit illustrates the guideline on the integrated image and outputs the integrated image. | 02-24-2011 |