Lee, Bucheon
Byoung-Ok Lee, Bucheon KR
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20130307145 | SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME - A semiconductor package including a package substrate; a semiconductor chip on the package substrate; a first via contact on the package substrate; a second via contact on the semiconductor chip; a metal wiring, which is arranged on the first via contact and the second via contact and interconnects the first via contact and the second via contact; a first encapsulating material which is arranged between the metal wiring and the package substrate and encapsulates the semiconductor chip, the first via contact, and the second via contact; and a second encapsulating material which encapsulates the first encapsulating material and the metal wiring. | 11-21-2013 |
Dae-Hwan Lee, Bucheon KR
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20100027294 | OPTICAL SHEET AND METHOD OF MANUFACTURING THE SAME - An optical sheet includes a base film in which light is incident from a lower side, a plurality of prism patterns and a diffusion member. The prism patterns are protruded to be spaced apart from each other on the base film to enhance the front luminance of light incident from the lower side of the base film. The diffusion member is disposed between prism patterns to have a diffusion surface in parallel with the base film. The diffusion member includes a plurality of diffusion dots capable of enhancing the luminance uniformity of light incident from the lower side of the base film. Thus, front luminance and luminance uniformity may be enhanced due to a juxtaposition of the prism patterns and the diffusion portion, and the viewing angle of the LCD device may be enhanced. | 02-04-2010 |
Do Hoon Lee, Bucheon KR
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20120305606 | COMPACT CONTAINER HAVING AN AIRLESS PUMP - The present invention relates to a compact container having an airless pump, and more particularly, to a compact container for discharging cosmetic in preset amount when the pump is driven by pressing a button. The compact container having an airless pump, includes: a casing including an upper case and a lower case and accommodating cosmetics; a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from the rim, a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening communicates with the inner space of the outer wall; a plate upwardly spaced apart from the cylinder and having a discharging hole, formed at the center, through which the cosmetics is discharged, and a through-hole formed at a side thereof; an annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder; an airless pump installed at the depression of the cylinder to discharge the cosmetics accommodated in the cylinder to the outside; and a button formed at the through-hole to operate the airless pump. | 12-06-2012 |
20140234007 | SPOUTING-TYPE COSMETIC CONTAINER - A spouting-type cosmetic container. The spouting-type cosmetic container is disclosed. The container includes: a main container provided with an opening; a pipette tube spouting cosmetic; a cap unit detachably installed to the opening of the main container and including an inner cap and an outer cap encasing the inner cap; an up/down button installed to the upper side of the outer cap to move up and down for a preset stroke and having cam holes formed on the side wall to face the cams; a piston fixed to the lower side of the up/down button to move up and down with the up/down button; and an elastic member elastically reacting to move the up/down button and the piston upward and to spout the cosmetic accommodated in the main container out. Preset amount of cosmetic may be discharged and user's convenience may be enhanced. | 08-21-2014 |
Dong-Sun Lee, Bucheon KR
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20110096951 | VARIABLE DIRECTIONAL MICROPHONE ASSEMBLY AND METHOD OF MAKING THE MICROPHONE ASSEMBLY - A variable directional microphone assembly and method of manufacturing the variable directional microphone assembly which includes a substrate, a semiconductor integrated circuit device, two microphone devices, a microphone body, and a case. | 04-28-2011 |
Don Saeng Lee, Bucheon KR
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20090001899 | Fluorescent Lamp With Built-In Anion Generator - The invention is a a fluorescent lamp with built-in anion generator. The invention includes a bulb | 01-01-2009 |
Eung-Woo Lee, Bucheon KR
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20100327760 | INVERTER DEVICE AND DRIVING METHOD THEREOF - The present invention relates to an inverter and the driving method. The inverter according to exemplary embodiment of the present invention generates a plurality of feedback voltages corresponding to driving voltages of a plurality of discharge lamps. The inverter generates a first minimum voltage having a smaller feedback voltage of a plurality of feedback voltages and compares the first minimum voltage and a short circuit reference voltage in order to determine a short circuit of at least two discharge lamps. The inverter senses a short circuit lamp of a plurality of the discharge lamps by using the comparison result and a first sawtooth wave signal having a predetermined period. Also, the inverter generates a plurality of feedback voltages corresponding to driving currents of a plurality of discharge lamps, generates a second minimum voltage having a smaller feedback voltage of a plurality of the feedback voltages, and compares the second minimum voltage and an open circuit reference voltage in order to determine the open circuit of the at least two discharge lamps. The inverter senses an open circuit lamp of a plurality of discharge lamps by using the comparison result and a first sawtooth wave signal having a predetermined period. | 12-30-2010 |
Hak-Hee Lee, Bucheon KR
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20100079176 | Inverter Driver And Load Driver Including The Same, And Driving Method Thereof - A load driver includes an inverter and an inverter driver. The inverter converts an input voltage into a driving voltage of a discharge lamp using at least one first switch for switching according to a duty ratio, and the inverter driver controls the inverter. The inverter driver controls the duty ratio using a voltage of a capacitor and a control signal having a waveform that is repeated with a predetermined frequency. The capacitor is charged and discharged by a current corresponding to a difference between a feedback voltage corresponding to a current flow to the discharge lamp and a reference voltage. Such inverter driver controls to gradually increase the output voltage of the inverter in the soft start period by setting the voltage of the capacitor as a voltage corresponding to the control signal. | 04-01-2010 |
20100327760 | INVERTER DEVICE AND DRIVING METHOD THEREOF - The present invention relates to an inverter and the driving method. The inverter according to exemplary embodiment of the present invention generates a plurality of feedback voltages corresponding to driving voltages of a plurality of discharge lamps. The inverter generates a first minimum voltage having a smaller feedback voltage of a plurality of feedback voltages and compares the first minimum voltage and a short circuit reference voltage in order to determine a short circuit of at least two discharge lamps. The inverter senses a short circuit lamp of a plurality of the discharge lamps by using the comparison result and a first sawtooth wave signal having a predetermined period. Also, the inverter generates a plurality of feedback voltages corresponding to driving currents of a plurality of discharge lamps, generates a second minimum voltage having a smaller feedback voltage of a plurality of the feedback voltages, and compares the second minimum voltage and an open circuit reference voltage in order to determine the open circuit of the at least two discharge lamps. The inverter senses an open circuit lamp of a plurality of discharge lamps by using the comparison result and a first sawtooth wave signal having a predetermined period. | 12-30-2010 |
20110037407 | LED LIGHT EMITTING DEVICE - The present invention relates to an LED light emitting device. An LED light emitting device includes a plurality of LED channels including a plurality of LEDs. The LED light emitting device further includes a transformer configured to convert an input voltage and supply an output voltage to the plurality of LED channels, a controller, and an LED driver. The controller controls the transformer according to a first feedback signal for interrupting power supply to the plurality of LED channels when a dimming off state in which currents are not supplied to the plurality of LED channels occurs or when a state in which the maximum channel voltage of a plurality of channel voltages corresponding to voltages applied to the plurality of LED channels, respectively, is an overvoltage and a defective state in which the plurality of LED channels include an open state are maintained during a predetermined threshold period. The LED driver generates information on the dimming off state and information on the defective state. Further, the LED driver is connected to a secondary side of the transformer, the controller is connected to a primary side of the transformer insulated from the secondary side, and the first feedback signal is generated according to the information on the dimming off state and the information on the defective state. | 02-17-2011 |
20120104956 | LED EMITTING DEVICE - The present invention relates to an LED emitting device. | 05-03-2012 |
Hyeon Sik Lee, Bucheon KR
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20150362214 | COMBUSTION APPARATUS HAVING INTAKE AIR/EXHAUST AIR HEAT EXCHANGER - The present invention relates to a combustion apparatus having an intake air/exhaust air heat exchanger. The combustion apparatus comprises: a burner for generating exhaust gas; a blower for supplying external air to the burner; a main heat exchanger for absorbing heat from the exhaust gas generated by the burner; an exhaust gas duct for discharging the exhaust gas having passed the main heat exchanger to the outside; an intake air duct for introducing external air to the blower; an intake air/exhaust air heat exchanger for exchanging heat between the external air introduced to the blower and the exhaust gas discharged through the exhaust gas duct using a thin film plate disposed therebetween; and an exhaust flue for discharging the exhaust gas having passed the intake air/exhaust air heat exchanger to the outside. | 12-17-2015 |
Hyun Joo Lee, Bucheon KR
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20120162098 | PORTABLE ELECTRONIC APPARATUS - A portable electronic apparatus is disclosed. The portable electronic apparatus includes a processor circuit enabled to execute a plurality of programs. The portable electronic apparatus also includes an output device for outputting output from the processor circuit. The portable electronic apparatus further includes an input device for receiving input, the input for controlling the processor circuit. In addition, the portable electronic apparatus includes an indicator for indicating a program being executed by the processor circuit. | 06-28-2012 |
Jae Cheon Lee, Bucheon KR
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20150188179 | METHOD FOR MANUFACTURING END PLATE FOR FUEL CELL STACK - A method of manufacturing an end plated for a fuel cell stack, using overmolding injection molding is provided. The method prevents damage to tapped portions in injection molding and re-tapping after the injection molding, by implementing a method of injection molding for an end plate that prevents an injection-molded part from flowing into taps by forming a male thread on a first side of each of fixing pins fitted in a metal insert in injection molding of an end plate and by fastening the fixing pins in advance in the taps of the metal insert. In addition, the method aligns the metal insert at the more accurate position while a mold is assembled, by tapering the second sides of the fixing pins. | 07-02-2015 |
Jeung Je Lee, Bucheon KR
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20130071660 | Composition For Preparing Ceramic Fiber And A Biosoluble Ceramic Fiber Prepared Therefrom For Heat Insulating Material At High Temperature - The present invention relates to a composition for preparing ceramic fiber and a biosoluble ceramic fiber prepared therefrom for heat insulating material at high temperature, more specifically, a composition for preparing ceramic fiber comprising SiO | 03-21-2013 |
Jiho Lee, Bucheon KR
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20130114194 | MOBILE TERMINAL - A mobile terminal includes a terminal main body and a keypad assembly provided in the main body and formed to receive a control command, wherein the keypad assembly includes a key top disposed on one surface of the main body to cover a switch installed in the main body, an actuator mounted on the key top and having at least a portion protruded to press the switch, and a pattern member including a base portion coupled to the actuator and a plated layer having at least a portion penetrating the key top to form a pattern exposed to the outside and plated on an outer surface of the base portion. | 05-09-2013 |
20130114195 | MOBILE TERMINAL - A mobile terminal includes a terminal main body and a keypad assembly provided in the main body and formed to receive a control command, wherein the keypad assembly includes a key top disposed on one surface of the main body to cover a switch installed in the main body, an actuator mounted on the key top and having at least a portion protruded to press the switch, and a pattern member including a base portion coupled to the actuator and a plated layer having at least a portion penetrating the key top to form a pattern exposed to the outside and plated on an outer surface of the base portion. | 05-09-2013 |
Ji Yong Lee, Bucheon KR
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20100326319 | WHITE RUST INHIBITING COMPOSITION FOR ALUMINUM PARTS - The present invention provides an aluminum white rust inhibiting composition containing alkali metal metasilicate and alkali metal hydroxide as essential components. The composition described by the present invention can provide an anti-corrosion function to vehicle aluminum parts without a separate surface process, thus reducing the manufacturing cost by reducing the number of processes and improving the durability of the vehicle aluminum parts. | 12-30-2010 |
Jongmu Lee, Bucheon KR
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20120120686 | SWITCH CONTROLLER AND CONVERTER INCLUDING THE SAME - In a converter using a transformer, a switch controller controlling a main switch and an auxiliary switch increase a turn-on time of the auxiliary switch when a voltage of a signal corresponding to a current flowing to a primary coil of the transformer is greater than a reference voltage for a predetermined period. | 05-17-2012 |
Jung Hwa Lee, Bucheon KR
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20120145617 | MULTI-FUNCTIONAL OPTION VALVE, MULTIFUNCTIONAL FULLY AUTOMATIC LIQUID CHROMATOGRAPHY SYSTEM INCLUDING THE SAME, AND METHOD FOR ANALYZING SAMPLE USING THE SAME - Provided is a multifunction selection valve for use in a liquid chromatography system. The multifunction selection valve includes multiple ports to which both ends of a 1st dimension separation column may be connected at a part thereof, the multifunction selection valve including: a fluid passing mode in which a fluid introduced thereto is not passed through the 1st dimension separation column but is discharged; a column passing mode in which the fluid introduced thereto is passed through the 1st dimension separation column and then discharged; and a fluid blocking mode in which the fluid is prevented from being introduced. When using the multifunction selection valve, it modifies the flow paths of chromatographic solvents so that the resultant multifunctional liquid chromatography system allows one-dimensional separation, two-dimensional separation, on-line digestion and on-line phosphopeptide enrichment by a single binary pump. | 06-14-2012 |
Jung-Wook Lee, Bucheon KR
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20140287644 | SOUND-ABSORBING MATERIAL FOR AUTOMOBILE USING FOAMING URETHANE FOAM TO WHICH CARBON NANO-TUBE IS APPLIED AND PREPARATION METHOD THEREOF - Disclosed is a sound-absorbing material for an automobile, using foaming urethane foam to which carbon nano-tubes are applied, and a preparation method thereof. More particularly, disclosed is a sound-absorbing material for an automobile, which has excellent sound absorption and insulation performance while maintaining excellent flame retardancy, by increasing the ratio of open cells while uniformly maintaining the cell structure of the foam by adding carbon nano-tubes as a substitute for a portion of a flame retardant filler, and a preparation method thereof. | 09-25-2014 |
20150252562 | SOUND-ABSORBING MATERIAL WITH EXCELLENT SOUND-ABSORBING PERFORMANCE AND METHOD FOR MANUFACTURING THEREOF - The present invention provides a sound-absorbing material with excellent sound-absorbing performance and a method for manufacturing thereof. More particularly, it relates to a sound-absorbing material, which can improve sound absorption coefficient and transmission loss by forming large surface area and air layer, so as to induce viscosity loss of incident sound energy, may make light-weight design possible because it can express excellent sound-absorbing performance even using reduced amount of fiber, and can improve sound-absorbing performance by using binder fiber having rebound resilience, so as to maintain enough strength between fiber and also to maximize viscosity loss of sound energy transmitted to fiber structure; and a method for manufacturing thereof. | 09-10-2015 |
20150283960 | MANUFACTURING METHOD OF HIGHLY HEAT-RESISTANT SOUND ABSORBING AND INSULATING MATERIALS - The present invention relates to a method for manufacturing a highly heat-resistant sound absorbing and insulating material, more specifically to a method including a beating and mixing step, a web forming step, a web stacking step, a needle punching step, a binder impregnating step and a solvent recovering step. | 10-08-2015 |
20150314738 | MANUFACTURING METHOD OF HIGHLY HEAT-RESISTANT SOUND ABSORBING AND INSULATING MATERIALS - The present invention relates to a method for manufacturing a substantially improved heat-resistant sound absorbing and insulating material. method includes: beating and mixing a fiber material comprising a heat-resistant fiber; forming a web from the beaten and mixed fiber material; stacking the formed web; forming a nonwoven fabric by needle punching as moving a needle up and down through the stacked web; forming a binder-impregnated nonwoven fabric by immersing the nonwoven fabric in a binder solution; and removing a solvent from the binder-impregnated nonwoven fabric. | 11-05-2015 |
Kiyong Lee, Bucheon KR
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20140098310 | LIQUID CRYSTAL DISPLAY, MOBILE TERMINAL HAVING THE LIQUID CRYSTAL DISPLAY, AND METHOD OF MANUFACTURING THE LIQUID CRYSTAL DISPLAY - A liquid crystal display is provided that includes a first base substrate including a first surface, a second base substrate including a second surface, a liquid crystal layer including liquid crystal molecules positioned between the first and second base substrates and configured to change alignment when electrical power is applied thereto, a first electrode positioned on the second surface and including a plurality of substantially parallel grooves extending in a first direction on a surface facing the first base substrate, the plurality of grooves configured to align the liquid crystal molecules in a preset direction when electrical power is applied, and a second electrode positioned on the first surface or on the second surface, wherein a voltage difference between the first and second electrodes applies the electrical power to the liquid crystal molecules. | 04-10-2014 |
Kwang-Ii Lee, Bucheon KR
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20100321962 | Frequency Modulation Controller, Switch Mode Power Supply Including The Same, And Switching Operation Frequency Modulation Method - The present invention relates to switching operation frequency modulation for reducing an output voltage ripple. | 12-23-2010 |
Kwang-Il Lee, Bucheon KR
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20110204866 | SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE INCLUDING THE SAME, AND SWITCH CONTROL METHOD - The present invention relates to a switch control device, a power supply device, and a switch control method. A switch control device controls a switching operation of a power switch by using a feedback voltage of an output voltage. In detail, the switch control device generates the feedback current according to the feedback voltage and the feedback signal corresponding to the feedback voltage by using the feedback current. The switch control device compares the sensing signal corresponding to the drain current flowing to the power switch and the feedback signal, and turns off the power switch according to the comparison result. The switch control device increases the feedback gain rather than the feedback current during the gain compensation period after a predetermined gain compensation period, and the gain compensation period is longer than a soft start period in which the output voltage is gradually increased. | 08-25-2011 |
20120033457 | HOLD-UP TIME EXTENDING CIRCUIT AND CONVERTER INCLUDING THE SAME - The present invention relates to a hold-up time expansion circuit and a converter including the same. | 02-09-2012 |
20120057374 | DUTY ADJUSTER CIRCUIT AND CONVERTER INCLUDING THE SAME - The present invention relates to a duty adjuster circuit and a converter. | 03-08-2012 |
Kyungshin Lee, Bucheon KR
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20100081533 | HYBRID POWER TRAIN OF VEHICLE - The present invention makes it possible to implement various stepped gear modes and a compound split type hybrid mode in a relatively simple structure using two planetary gear sets and two motor generators, reduce fuel consumption of a vehicle in a relatively large section, minimize fuel consumption at a high speed by implementing an overdrive stepped gear mode, and improve acceleration performance and gradient performance of the vehicle by implementing an underdrive stepped gear mode. | 04-01-2010 |
Kyung Shin Lee, Bucheon KR
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20130110333 | SYSTEM FOR HYBRID VEHICLE TO ENHANCE PERFORMANCE DURING ELECTRIC MODE | 05-02-2013 |
Kyung Yul Lee, Bucheon KR
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20100101961 | Method of duplicating nano pattern texture on object's surface by nano imprinting and electroforming - Disclosed is a method of duplicating a nano-pattern texture of the surface of an object through electroforming using an imprint mold, including selecting the object having the surface texture to be duplicated; disposing the selected object and pre-treating the surface thereof; nano-imprinting the surface of the pretreated object, thus duplicating it on a plastic mold; metallizing the surface of the plastic mold through vapor deposition, and performing electroforming, thus manufacturing metal module master molds; trimming the edges of the metal module master molds, performing micro-processing, connecting the metal module master molds, and then performing electroforming, thus manufacturing a large-area metal unit master mold; and electroforming the metal unit master mold, thus producing a duplicate having the surface texture, thus exhibiting an effect in which the skin of a selected natural object can be duplicated on metal having a uniform thickness. | 04-29-2010 |
20110318533 | METHOD OF DUPLICATING TEXTURE PATTERN ON OBJECT'S SURFACE BY NANO IMPRINTING AND ELECTROFORMING AND PATTERNED DUPLICATION PANEL USING THE SAME - Provided is a method of duplicating a nano-pattern texture of the surface of an object through electroforming using an imprint mold, including selecting the object having the surface texture to be duplicated; disposing the selected object and pre-treating the surface thereof; nano-imprinting the surface of the pretreated object, thus duplicating it on a plastic mold; metalizing the surface of the plastic mold through vapor deposition, and performing electroforming, thus manufacturing metal module master molds; trimming the edges of the metal module master molds, performing micro-processing, connecting the metal module master molds, and then performing electroforming, thus manufacturing a large-area metal unit master mold; and electroforming the metal unit master mold, thus producing a duplicate having the surface texture, thus exhibiting an effect in which the skin of a selected natural object can be duplicated on metal having a uniform thickness. | 12-29-2011 |
20130192994 | Method of duplicating nano pattern texture on object's surface by nano imprinting and electroforming - Disclosed is a method of duplicating a nano-pattern texture of the surface of an object through electroforming using an imprint mold, including selecting the object having the surface texture to be duplicated; disposing the selected object and pre-treating the surface thereof; nano-imprinting the surface of the pretreated object, thus duplicating it on a plastic mold; metallizing the surface of the plastic mold through vapor deposition, and performing electroforming, thus manufacturing metal module master molds; trimming the edges of the metal module master molds, performing micro-processing, connecting the metal module master molds, and then performing electroforming, thus manufacturing a large-area metal unit master mold; and electroforming the metal unit master mold, thus producing a duplicate having the surface texture, thus exhibiting an effect in which the skin of a selected natural object can be duplicated on metal having a uniform thickness. | 08-01-2013 |
Myoungho Lee, Bucheon KR
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20130107599 | CURRENT VECTOR CONTROLLED DEADTIME FOR MULTILEVEL INVERTERS | 05-02-2013 |
Sanghyuck Lee, Bucheon KR
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20130102279 | MOBILE TERMINAL AND CONTROL METHOD OF THE SAME - A mobile terminal that may be able to access a wireless communication network and a control method thereof are provided. The mobile terminal includes: a wireless communication unit configured to access a wireless communication network; a detection unit configured to detect a connectable wireless communication network through the wireless communication unit; and a controller outputting icons each corresponding to one or more wireless communication networks detected by the detection unit to a locked screen displayed in a locked state in which inputting of a control command with respect to an application is limited, releasing the locked state when selecting of any one of the output icons is detected, and controlling the wireless communication unit to access a wireless communication network corresponding to the selected icon. | 04-25-2013 |
Sang Shin Lee, Bucheon KR
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20140057543 | AIR EXTRACTOR GRILLE - Disclosed herein is an air extractor grille. The air extractor grille includes a grille body and a grille cover. The grille body includes a plurality of openable flaps which are arranged vertically in a successive order in a vehicle body inside a rear bumper. The grille cover covers at least a portion of the grille body. The grille cover has a plurality of vent slots formed in a front surface of the grille cover and arranged vertically in a successive order as well. A block plate is bent from a lower end of each of the vent slots in such a way that the block plate protrudes outwards, thus preventing the vent slot from being directly exposed to the outside. Therefore, when the flaps open, foreign substances are prevented from directly entering the interior of the vehicle through the flaps. | 02-27-2014 |
Suk Won Lee, Bucheon KR
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20110155429 | Carrier substrate, fabrication method thereof, printed circuit board using the same, and fabrication method thereof - Disclosed are a carrier substrate including an insulating base material with a copper foil layer formed on at least one surface thereof, a metal layer formed on the cooper layer and having a length shorter than that of the copper foil layer, and an insulating layer formed on the metal layer, a fabrication method thereof, a printed circuit board (PCB) using the same, and a fabrication method thereof. Because there is no land at the via and core in the substrate, because a circuit pattern connected with the via can be formed to be finer, so the circuit pattern can be highly integrated and the substrate can become thinner. Thus, a printed circuit board (PCB) having a smaller size and reduced number of layers can be fabricated. | 06-30-2011 |
20130062112 | FABRICATION METHOD FOR CARRIER SUBSTRATE, PRINTED CIRCUIT BOARD USING THE SAME, AND FABRICATION METHOD THEREOF - A method for fabricating a carrier substrate, a method for fabricating a printed circuit board using the carrier substrate and related printed circuit board. The method for fabricating the carrier substrate includes: providing an insulating base material with a copper foil layer formed on at least one surface thereof; stacking a metal layer having a length shorter than that of the copper foil layer on the copper foil layer; and forming an insulating layer on the metal layer. | 03-14-2013 |
Suk Woo Lee, Bucheon KR
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20090058563 | Frequency Tunable Filter - A frequency tunable filter comprises a housing having a plurality of walls therein defining a plurality of cavities; a cover mounted on the housing; a plurality of resonators contained in the cavities; at least one sliding member located between the cover and the resonators; and a plurality of metal tuning elements attached to a lower part of the sliding member, wherein frequency tuning is performed by sliding of the sliding member. | 03-05-2009 |
Taek-Keun Lee, Bucheon KR
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20130307145 | SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME - A semiconductor package including a package substrate; a semiconductor chip on the package substrate; a first via contact on the package substrate; a second via contact on the semiconductor chip; a metal wiring, which is arranged on the first via contact and the second via contact and interconnects the first via contact and the second via contact; a first encapsulating material which is arranged between the metal wiring and the package substrate and encapsulates the semiconductor chip, the first via contact, and the second via contact; and a second encapsulating material which encapsulates the first encapsulating material and the metal wiring. | 11-21-2013 |
Woo Seung Lee, Bucheon KR
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20160123703 | APPARATUS AND METHOD OF GENERATING MOMENTUM USING SUPERCONDUCTING COILS - The present invention relates to an apparatus of generating momentum which drives an object. The present invention provides a momentum generating apparatus in which a pair of high temperature superconducting coils which are wound in different directions and have different superconducting properties are arranged in parallel and the same current flows in the pair of coils to be in a stable state where magnetic fields generated in the coils are cancelled and an asymmetric current is suddenly applied to the pair of coils through a switching operation to generate a magnetic field and an eddy current is induced in a plate due to the generated magnetic field and the plate is floated using a repulsive force between the magnetic field generated in the plate due to the eddy current and the magnetic field generated in the pair of coils, to instantaneously generate force using a small amount of superconducting coils. | 05-05-2016 |
Yeonho Lee, Bucheon KR
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20150036730 | APPARATUS AND SYSTEM FOR TRACKING DATA SPEED AUTOMATICALLY - An apparatus and a system for automatically tracking data speed are disclosed. An embodiment of the invention provides a transmitting apparatus for automatically tracking data speed that includes: an encoder configured to convert parallelized input data according to a preset signal rule into a first signal and a second signal, where the input data is inputted as a unit of n bits, the encoder outputs the first signal and the second signal such that, if the input data includes identical bit values consecutively, one of the first signal and the second signal is converted to include transition information instead of following a differential rule with respect to the other signal; a serializer configured to serialize the first signal and the second signal; and a transmitting part configured to transmit the serialized first signal and second signal. | 02-05-2015 |
Yoon Ji Lee, Bucheon KR
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20120132080 | APPARATUS FOR REGENERATING A CARBON DIOXIDE ABSORPTION SOLUTION - Provided is an apparatus for regenerating a carbon dioxide absorption solution that regenerates an absorption solution for absorbing carbon dioxide contained in a combustion exhaust gas emitted during a combustion process of a vehicle, thereby reducing energy costs while simplifying its configuration. The apparatus includes a first storage tank for storing an absorption solution that contains absorbed CO | 05-31-2012 |
20130004406 | CARBON DIOXIDE RECOVERY SYSTEM AND METHOD OF EXHAUST GAS - Disclosed is a method for recovering carbon dioxide from exhaust gas, more particularly, a method for recovering carbon dioxide from exhaust gas for saving the cost for recovery of carbon dioxide by decreasing energy required for recycling a carbon dioxide absorbent solution. In particular, a circulating solvent, whose heat of vaporization and/or sensible heat is lower than that of a solvent of an absorbent solution introduced to a recycling tower, is supplied to the lower portion of the recycling tower and mixed with the heated absorbent solution. As a result, the pressure inside the recycling tower is maintained so that carbon dioxide released from the absorbent solution is discharged to a storage tank/drum. | 01-03-2013 |
20150037238 | CARBON DIOXIDE RECOVERY SYSTEM AND METHOD OF EXHAUST GAS - Disclosed is a method for recovering carbon dioxide from exhaust gas, more particularly, a method for recovering carbon dioxide from exhaust gas for saving the cost for recovery of carbon dioxide by decreasing energy required for recycling a carbon dioxide absorbent solution. In particular, a circulating solvent, whose heat of vaporization and/or sensible heat is lower than that of a solvent of an absorbent solution introduced to a recycling tower, is supplied to the lower portion of the recycling tower and mixed with the heated absorbent solution. As a result, the pressure inside the recycling tower is maintained so that carbon dioxide released from the absorbent solution is discharged to a storage tank/drum. | 02-05-2015 |
20150118578 | CATHODE FOR LITHIUM SULFUR BATTERY AND METHOD FOR PREPARING THEREOF - Disclosed is a cathode for a lithium sulfur battery comprising a sulfur-containing active material, an electrolyte in which a lithium salt is dissolved in an ether-based solvent, and an additional liquid active material in the form of Li | 04-30-2015 |
20150372291 | CATHODE FOR LITHIUM-SULFUR BATTERY - Disclosed is a cathode for lithium-sulfur battery. The cathode for lithium-sulfur battery has a structure for improved in charge/discharge efficiency, charge capacity, and life span. In particular, in the cathode structure, an active material is inserted into a porous carbon structure and a surface of the porous carbon structure is densely coated with the conducting material thereby maximizing the contents of an active material and a conducting material in the cathode without a current collector. | 12-24-2015 |
20160056501 | LITHIUM ELECTRODE FOR LITHIUM METAL BATTERY AND METHOD OF MANUFACTURING THE LITHIUM ELECTRODE - Disclosed are a lithium electrode for a lithium metal battery, which uses a solid high-ionic conductor having a three-dimensional (3D) porous structure, wherein a lithium metal or lithium alloy is filled into each pore and dispersed, and a method for manufacturing the lithium electrode. By applying a solid high-ionic conductor having a 3D porous structure, an ion conduction path is secured in the lithium electrode using the solid high-ionic conductor instead of a conventional liquid electrolyte, electrical-chemical reactivity in charging and discharging are further improved, and shelf life and high rate capability are enhanced. | 02-25-2016 |
Young-Bok Lee, Bucheon KR
Patent application number | Description | Published |
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20090015763 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - A liquid crystal display (LCD) device comprises a substrate, and red, green, blue (RGB) color filters. The RGB color filters are spaced from one another with a predetermined gap therebetween on the substrate, and define RGB sub-pixels. The LCD device further comprises black matrixes disposed at each space between the RGB color filters, and barriers disposed at each interface among the RGB sub-pixels such that the barriers control a path of light that passes through a corresponding sub-pixel. | 01-15-2009 |
20100033398 | MODULAR ACTIVE ANTENNA FOR RECEIVING MULTIPLE BROADCASTING SIGNALS - The present invention relates to a modular active antenna for receiving multiple broadcast signals. The modular active antenna includes an internal antenna, an active module and a printed circuit board. The internal antenna is formed in a polyhedral shape having an open bottom surface and configured to receive multiple broadcast frequency signals. The active module is arranged below the internal antenna to constitute a single module together with the internal antenna and is configured to selectively perform impedance matching on any one of the multiple broadcast frequency signals received by the internal antenna. The printed circuit board is configured to allow the internal antenna and the active module to be mounted thereon and is provided with a ground surface formed on the bottom thereof. | 02-11-2010 |
Young-Je Lee, Bucheon KR
Patent application number | Description | Published |
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20120020133 | SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME AND SWITCH CONTROL METHOD - Provided are a switch control device and a switch control method. The present invention generates power voltage required to operate the switch control device by using full-wave current rectification voltage generated by rectifying an AC input and detects a zero cross-point when a full-wave rectification voltage is zero voltage by using power voltage. The present invention generates a reference signal synchronized to the full-wave rectification voltage by using the detected zero cross-point and controls a switching operation of a power switch by comparing a reference signal with current which flows on the power switch. | 01-26-2012 |
20120020134 | SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME AND SWITCH CONTROL METHOD - Provided are a switch control device, a switch control method, and a power supply device. | 01-26-2012 |
20120169313 | SWITCH CONTROL CIRCUIT, CONVERTER USING THE SAME, AND SWITCH CONTROL METHOD - The present invention relates to a switch control circuit, a switch control method, and a converter using the same. An input voltage of a converter is provided to an inductor, and an output voltage is generated by an inductor current caused by the input voltage. A switch control circuit for controlling a switching operation of a power switch connected to the inductor to control the inductor current senses a drain current flowing to the power switch while the power switch is turned on, and controls a slope of a sawtooth wave signal for determining a turn-off time of the power switch according to the sensed drain current. | 07-05-2012 |
20120170335 | SWITCH CONTROL CIRCUIT, CONVERTER USING THE SAME, AND SWITCH CONTROLLING METHOD - The present invention relates to a switch control circuit, a switch control method, and a converter using the same. | 07-05-2012 |
20120176055 | APPARATUS FOR CONTROLLING BLEED SWITCH, POWER SUPPLY, AND METHOD FOR DRIVING POWER SUPPLY - A power supply has a TRIAC dimmer, and an AC-DC converter connected to the TRIAC dimmer. The AC-DC converter has a power switch, a bleed switch, and a controller. The controller turns off the bleed switch in a first time duration and turns on the bleed switch in a second time duration. Magnitude of a current of the power switch in the first time duration is larger than magnitude of a current of the power switch in the second time duration. Magnitude of a current of the bleed switch in a third time duration within the second time duration is smaller than magnitude of a current of the bleed switch in a fourth time duration within the second time duration. | 07-12-2012 |
20120188670 | SWITCH CONTROL CIRCUIT, SWITCH CONTROLLING METHOD, AND POWER SUPPLY DEVICE USING THE SWITCH CONTROL CIRCUIT - Embodiments of the present invention relate to a switch control circuit, a switch control method, and a power supply device using the same. | 07-26-2012 |
20130002321 | CLOCK SIGNAL GENERATING CIRCUIT AND POWER SUPPLY INCLUDING THE SAME - The present invention relates to a clock signal generating circuit and a power supply including the same. The present invention includes: a counter for counting one period of an input clock signal by using a reference clock signal, and generating a count signal; and a clock signal generator for receiving the count signal and the reference clock signal, dividing the count signal to generate a quotient and a remainder, setting the quotient as a reference period of an output clock signal, and distributing and disposing the remainder to the output clock signal with a plurality of periods occurring for one period of the input clock signal. | 01-03-2013 |
20130027013 | ERROR VOLTAGE GENERATION CIRCUIT, SWITCH CONTROL CIRCUIT COMPRISING THE SAME, AND POWER FACTOR CORRECTOR COMPRISING THE SWITCH CONTROL CIRCUIT - The present invention relates to an error voltage generation circuit, a switch control circuit, and a power factor corrector. The error voltage generation circuit generates an error voltage using an error input voltage corresponding to an output voltage of a power factor corrector and a soft start voltage. The error voltage generation circuit samples an error input voltage at an AC input supply time point of the power factor corrector and holes a sampling voltage according to the sampled error input voltage during a soft start period. The error voltage generation circuit generates a soft start voltage increasing from a start voltage corresponding to the sampling voltage. The switch control circuit controls a duty of a power switch of the power factor corrector using the error voltage. | 01-31-2013 |
20130128640 | SWITCH CONTROLLER, SWITCH CONTROL METHOD, AND POWER SUPPLY DEVICE COMPRISING THE SWITCH CONTROLLER - The present invention relates to a switch controller, a switch control method, and a power supply including the switch controller. An exemplary embodiment of the present invention detects an on-time of a power switch of the power supply and decreases a frequency of a clock signal according to a period during which the detected on-time is shorter than or equal to the minimum on-time. According to the exemplary embodiment, switching of the power switch is controlled according to a clock signal, and the minimum on-time is an on period of the power switch that cannot be shortened. | 05-23-2013 |
20130300315 | SWITCH CONTROLLER, POWER SUPPLY DEVICE COMPRISING THE SAME, AND DRIVING METHOD OF THE POWER SUPPLY DEVICE - The power supply device includes a power switch including one terminal to which an input voltage is transferred; an inductor including one terminal connected to another terminal of the power switch; a diode connected between a ground and a floating ground; a sensing resistor connected between the floating ground and the one terminal of the inductor. A switch controller compares a modulation sensing voltage depending on a sensing voltage generated from the sensing resistor with a high peak reference and a low peak reference when a LED string is connected between an inductor and the ground. The switch controller controls a switching operation of a power switch according to the comparison result. The high peak reference and the low peak reference are references for controlling an upper limit and a lower limit of an LED current flowing through the LED string, respectively. | 11-14-2013 |
20140077859 | CLOCK SIGNAL GENERATING CIRCUIT AND POWER SUPPLY INCLUDING THE SAME - The present invention relates to a clock signal generating circuit and a power supply including the same. The present invention includes: a counter for counting one period of an input clock signal by using a reference clock signal, and generating a count signal; and a clock signal generator for receiving the count signal and the reference clock signal, dividing the count signal to generate a quotient and a remainder, setting the quotient as a reference period of an output clock signal, and distributing and disposing the remainder to the output clock signal with a plurality of periods occurring for one period of the input clock signal. | 03-20-2014 |