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Jung Hwan

Jung Hwan Chang, Changwon-Si KR

Patent application numberDescriptionPublished
20080211326Inner rotor type permanent magnet excited transverse flux motor - Disclosed herein is an inner rotor type permanent magnet excited transverse flux motor, in which a laminated structure in an axial direction or in a radial shape is applied to a stator iron core so as to employ a small amount of permanent magnets compared with a conventional outer rotor type permanent magnet excited transverse flux motor, thus providing high output power, increasing the efficiency of power generation, and reducing noise and vibration.09-04-2008
20090009010Low-Noise, High-Speed, High Precision and High-Thrust Flux Reversal Motor for Linear or Rotary Motion System - Disclosed herein is to a flux reversal motor. The flux reversal motor includes a mover, and a plurality of permanent magnets. The mover moves linearly relative to a stator. A plurality of permanent magnets, having identical polarities, is provided in the end of each mover tooth. The permanent magnets are arranged on the left and right sides of a protrusion of the end of the mover tooth. Thus low noise/low vibration, high speeds, high precision, and high thrust motion can be realized.01-08-2009

Patent applications by Jung Hwan Chang, Changwon-Si KR

Jung Hwan Cho, Seoul KR

Patent application numberDescriptionPublished
20110053080Positive Typed Photosensitive Composition - Disclosed is a positive typed photosensitive composition including a polyamide derivative represented by the following Chemical Formula, and a heat-acid generator.03-03-2011
20110053081Positive Type Photosensitive Composition - Disclosed is a positive typed photosensitive composition including a polyamide derivative being represented by03-03-2011
20110053084Photosensitive Compound and Photosensitive Composition Including the Same - Disclosed are a photosensitive compound and a method of manufacturing the same. The photosensitive is composed of a naphthoquinonediazide sulfonic ester compound having at least one naphthoquinonediazide sulfoxy group, and having either at least one carboxy group with 1 to 8 carbon atoms or at least one alkoxy group with 1 to 8 carbon atoms, in one molecule.03-03-2011

Jung Hwan Choi, Seoul KR

Patent application numberDescriptionPublished
20090077642COOPERATION METHOD AND SYSTEM BETWEEN SEND MECHANISM AND IPSEC PROTOCOL IN IPV6 ENVIRONMENT - The present invention relates to a method of embodying a cooperation system between SEND and IPSec in an IPv6 environment. The cooperation system between SEND and IPSec in accordance with the present invention includes: receiving an authentication completion report message including a first IP address of a host whose authentication is completed by the SEND; generating new authentication information corresponding to the host and storing the new authentication information in a temporary storage area, if authentication information for the host is not present in the temporary storage area, wherein the authentication information includes the first IP address; and if an authentication check request message including a second IP address is received from the IPSec, checking whether the second IP address is present in the temporary storage area, and sending the result of checking to the IPSec. The present invention allows the authentication information shared between SEND and IPSec in a mobile environment, where the network is frequently accessed, enabling IPSec secure communication at a lower cost.03-19-2009
20090113538Method and system for controlling access for mobile agents in home network environments - Disclosed is a method and system for controlling access for a mobile agent in a home network environment. The method includes the steps of: issuing a role ticket to the mobile agent; verifying access authority to service requested by the mobile agent through the role ticket; and granting the mobile agent access authority to the service. Accordingly, a table for managing access authority of a user is distributed to devices, so that it is possible to provide the mobile agent access control method and system capable of minimizing network traffic in the home network environment.04-30-2009
20090278824DRIVING A LIGHT SCANNER - Driving a light scanner at a resonant frequency of the light scanner using a phase delay compensated driving signal.11-12-2009
20100100941CONTEXT-AWARE ROLE-BASED ACCESS CONTROL SYSTEM AND CONTROL METHOD THEREOF - A context-aware role-based access control system and a control method thereof. The context-aware role-based access control system includes: a context-aware user assignment manager (CAUAM) for performing a role assignment function, a role delegation function, or a role revocation function for a user according to a context of the user, based on a preset context request condition; a context-aware permission assignment manager (CAPAM) for performing a permission modification, a permission restoration, and a personalized permission modification for a permission, which the role has, according to changes in the context of the user; an information repository for storing a user profile and context information; and an access control manager (ACM) for controlling the context-aware user assignment manager, the context-aware permission assignment manager, and the information repository, and processing an access control request. Accordingly, more efficient access control can be achieved in ubiquitous environments where the context of the user dynamically changes.04-22-2010
20110037955LASER PROJECTION DISPLAY AND IMAGE DISTORTION CORRECTION METHOD FOR THE SAME - A laser projection display and a method of compensating for image distortion of the same stereoscopic liquid crystal display device having a touch panel and a method for manufacturing the same are disclosed. Herein, the method includes displaying a picture including a red image, a green image, and a blue image, selecting one of the red image, the green image, and the blue image so as to perform pixel alignment of the picture, calculating pixel coordinate values x+dx and y+dy corresponding to the selected image (herein, x represents the x coordinate value prior to alignment, y represents the y coordinate value prior to alignment, dx represents a varied x coordinate value after alignment, and dy represents a varied y coordinate value after alignment), calculating distortion compensation coordinate values X′ and Y′ corresponding to the pixel coordinate values x+dx and y+dy, and mapping the distortion compensation values X′ and Y′, thereby compensating for an image distortion occurring in the selected image.02-17-2011

Patent applications by Jung Hwan Choi, Seoul KR

Jung Hwan Jung, Daejeon KR

Patent application numberDescriptionPublished
20090166556Well type neutron counter containing an annular He-3 detector tube - The present invention relates to a well type neutron counter containing a He-3 detector which includes at least one annular gas layer in a polyethylene moderator, which includes a body formed of a neutron moderator and having a sample cavity for inserting a sample of nuclear material therein; and an annular He-3 detector tube including at least one annular gas layer into which at least He-4 or He-3 gas or their mixture is injected and a plurality of anode rods stood in the annular gas layer with an equal spaces, wherein the He-3 detector tube is formed in an inside of the body so as to surround the sample cavity. The neutron counter has a largely reduced size, simplified structure and resultant decreased failure rate as compared to a conventional counter with a large volume.07-02-2009

Jung Hwan Kim, Busan KR

Patent application numberDescriptionPublished
20100270540Iridium Complex Containing Carbazole-Substituted Pyridine and Phenyl Derivatives as Main Ligand and Organic Light-Emitting Diodes Containing the Same - The present invention relates to a novel iridium complex into which carbazole-substituted pyridine derivatives and various substituents-substituted phenyl derivatives are introduced as main ligand and a electrophosphorescence diode containing the same as a dopant of a light-emitting layer. When the iridium complex according to the present invention is applied to an organic light-emitting diode, the heat-resistance property and the light-emitting property can be significantly improved as well as the light-emitting efficiency and the like can be significantly improved by doping the iridium complex compound into the light-emitting layer as compared to the conventional organic light-emitting diode.10-28-2010

Jung Hwan Lee, Seoul KR

Patent application numberDescriptionPublished
20080222262Digital Album Service System for Showing Digital Fashion Created by Users and Method for Operating the Same - A system and method provide mobile services of a fashion album directly created by a user. A digital album service system and method provide wireless mobile services, wherein figures of a user's avatar wearing a variety of fashion items are provided in the form of a moving picture to a user connected to an avatar image server through a wired communication network using a personal computer (PC). A relevant image is provided in the form of a still picture and/or a mobile flash to a specific mobile communication terminal selected by the user, thereby allowing the user to view or download the image without restriction of time and space.09-11-2008
20080249897Electronic Commerce System for the Digital Fashion Using an Avatar Based on a User and Method for Operating the Same - A shopping-mall system utilizing user-based avatars comprises a terminal for transmitting user's three-dimensional image data through a wired or wireless communication network and then selecting any one of items provided through the wired or wireless communication network to receive an avatar image wearing the selected item and to transmit purchase specification information for purchasing the selected item. An avatar creation server receives the three-dimensional image data from the terminal and then creates an avatar image. A three-dimensional shopping-mall server puts any one item selected among a plurality of items stored therein on the avatar image created by the avatar creation server to provide the terminal with the avatar image wearing the item, and then performs an electronic commerce transaction with the terminal on the receipt of the purchase specification information of the selected item.10-09-2008
20080254219Method And Device For Preparing Powder On Which Nano Metal, Alloy, And Ceramic Particles Are Uniformly Vacuum-Deposited - The present invention relates to a method and device for preparing powder by depositing nano metal, alloy, ceramic particles that are excellent in size uniformity, on a surface of the powder that is a base, using a vacuum deposition method. In particular, the present invention provides a method and device for preparing the powder on which the nano metal, alloy, and ceramic particles of a very uniform size are deposited, by simultaneously performing deposition and agitation using an effective agitation means for solving a disadvantage of a conventional method where deposition and agitation are separately performed. Also, the present invention provides a method and device for preparing the powder on which nano particles are deposited, in which a nano characteristic is kept by preventing a coalescence phenomenon of nano particles even when a deposition time for increasing contents of the nano particles increases in their preparation.10-16-2008
20100188903METHOD OF OPERATING NONVOLATILE MEMORY DEVICE - A method of operating a nonvolatile memory device includes performing a first program operation and a first verification operation on memory cells until a cell, having a threshold voltage higher than a first reference voltage, occurs and, when a cell having the threshold voltage higher than the first reference voltage occurs, performing a second program operation and performing a second verification operation using a second reference voltage higher than the first reference voltage.07-29-2010
20100315883NONVOLATILE MEMORY DEVICE AND METHOD OF OPERATING THE SAME - A nonvolatile memory device comprises a memory cell array including a number of bit lines commonly coupled to a source line and each coupled to a number of memory cells, a delay unit configured to delay a sense signal in response to a voltage level of the source line and to output a delayed sense signal, and a page buffer unit configured to sense voltage levels of the bit lines in response to the delayed sense signal.12-16-2010
20110186324ELECTROMAGNETIC INTERFERENCE SUPPRESSING HYBRID SHEET - Disclosed is an electromagnetic interference suppressing hybrid sheet including an electromagnetic wave absorbing layer including ferrite particles, which is laminated on one side of an electromagnetic wave shielding layer including an electro-conductive material, thereby protecting an electronic device from an electromagnetic wave generated from inside and/or outside of the electronic device.08-04-2011
20110215392Semiconductor Devices and Methods of Manufacturing the Same - Provided are a semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device includes a charge storage pattern formed on a substrate; a dielectric pattern formed on the charge storage pattern; a first conductive pattern including silicon doped with a first impurity of a first concentration, the first conductive pattern being disposed on the dielectric pattern; and a second conductive pattern including metal silicide doped with a second impurity of a second concentration, the second conductive pattern being disposed on the first conductive pattern. The first concentration may be higher than the second concentration.09-08-2011
20110220559WATER PURIFYING FILTER ASSEMBLY MODULE - There is provided a water purifying filter assembly module that a water purifying filter can be easily released from or assembled with.09-15-2011
20120008416SEMICONDUCTOR MEMORY DEVICE AND METHOD OF OPERATING THE SAME - A semiconductor memory device includes a memory cell array comprising a plurality of cell strings and a page buffer group comprising a plurality of page buffers coupled to the respective cell string through bit lines. Each of the page buffers includes a latch unit for storing data to be programmed into memory cells included in the cell string or for storing data read from the memory cells. Each of the page buffers is coupled to a pad for the test operation of the memory cells according to data stored in the latch unit in the test operation.01-12-2012

Patent applications by Jung Hwan Lee, Seoul KR

Jung Hwan Lee, Cheongsong-Gun KR

Patent application numberDescriptionPublished
20080230748DISPERSANT HAVING MULTIFUNCTIONAL HEAD AND PHOSPHOR PASTE COMPOSITION COMPRISING THE SAME - Disclosed is a dispersant having a multifunctional head, and a phosphor paste composition comprising the dispersant. The dispersant has a multifunctional head that comprises an acidic group, a basic group and an aromatic group, thereby enhancing an affinity for the surface of phosphor particles and improving dispersibility.09-25-2008

Jung Hwan Oh, Seoul KR

Patent application numberDescriptionPublished
20110279286ENERGY-RELATED INFORMATION DISPLAY APPARATUS AND METHOD THEREOF - Disclosed is an energy-related information display apparatus included in each energy consumption place, which displays energy price information that a central server transmits according to a time zone, harmonizing with a floating energy rate system. When not receiving energy price information from a central server, a predicted energy price is provided. The prediction of the energy price can be reasonably performed on the basis of energy price information that was received from the central server in the past. The predicted energy price is transmitted to a user's mobile terminal as well as displayed on a display module so that the user can immediately identify it. Accordingly, the present disclosure can help user make a decision related with energy usage and properly meet a situation that energy price is not normally proved.11-17-2011
20110279353APPARATUS AND METHOD FOR ENERGY DISPLAY - Disclosed herein is an energy display apparatus disposed on each energy consuming site, displaying the energy price information that is transmitted by a central server according to time zone in association with energy price fluctuating system. If a situation occurs that energy price information is not received from the central server via a first communication network, attempt is made to deliver the energy price information via a second communication network.11-17-2011
20110282510APPARATUS AND METHOD FOR ENERGY MANAGEMENT - Provided are an apparatus and a method for energy management. The energy management apparatus includes: a receiving block configured to receive energy use information from at least one sensor; and an estimating block configured to calculate a sum and change of energy use per predetermined time slot from the received energy use information and estimate energy use or energy charge after a certain time based on the calculation of the sum and the change. The method includes: receiving energy use information from at least one sensor; and calculating a sum and change of energy use per hour from the received energy use information and estimating energy use or energy charge after a certain time slot based on the calculation of the sum and the charge.11-17-2011
20110282513SYSTEM, APPARATUS AND METHOD FOR CONTROLLING CHARGE AND DISCHARGE OF ELECTRIC VEHICLE - Disclosed is a technique using an electric vehicle. The technique enables a user to set the operation plan of the electric vehicle and the price of electricity used to charge/discharge an electric vehicle battery. The electric vehicle battery is charged, or the electric energy charged in the electric vehicle battery is collected, according to the set information. Accordingly, it is possible to charge the electric vehicle battery at the price approved by the user under variable pricing of electric energy. When the price of electricity increases or there is no operation plan of the electric vehicle, the electric energy stored in the battery is collected to operate electric devices or resell the stored electric energy to an electric power company, thereby obtaining economic benefit. As the spread of electric vehicles are extended, it can be expected to save a considerable amount of electric energy throughout the whole society.11-17-2011
20120004784APPARATUS AND METHOD FOR ENERGY MANAGEMENT - Apparatus and method for energy management are disclosed. An operating state of each energy consumption device is estimated by detecting a variation in total energy consumption amount per unit time using a meter and then comparing the variation with a previously inputted energy consumption amount per unit time for each of the energy consumption devices. If the operating state of each of the energy consumption devices is estimated, it is possible to detect the consumption time and power consumption amount for each of the energy consumption devices, thereby predicting a current or future energy consumption rate. The predicted result is applied in various manners so as to effectively use energy.01-05-2012
20120004785ENERGY CONTROL APPARATUS AND METHOD - According to the present disclosure, information on the amount of energy used is received from a meter in an energy consumption place and total rate of energy used in the energy consumption place using the received information. Further, when the calculated total rate of energy exceeds an upper limit set by a user in advance, a mobile terminal of the user is informed of it so as to enable the user to selectively control energy usage equipment in the energy consumption place. Since mobile terminals are carried by the user, when an energy usage rate exceeds an upper limit by an increased amount of energy used or energy price change, the user can identify it at anytime and anywhere. Further, the user can maintain the energy usage rate below a predetermined level by selectively controlling the energy usage equipment in the energy consumption place using the mobile terminal01-05-2012
20120004872APPARATUS AND METHOD FOR ENERGY MANAGEMENT OF ELECTRIC DEVICES - Disclosed is an apparatus and method for energy management of electric devices, which individually displays various pieces of energy related information, such as consumption time, power consumption amount, current electricity rate and future electricity rate, in an apparatus provided to each electric device and controls the presence of operation of an individual electric device so as to make more effective use of limited energy resources in commercialized smart grid and smart meter technologies in which the energy price is changed depending on time. To this end, the operating state of each of the electric devices is estimated based on a variation in total energy consumption amount detected by a meter.01-05-2012
20120005126CHARGING/DISCHARGING APPARATUS AND CHARGING/DISCHARGING METHOD - Disclosed is a charging/discharging apparatus and charging/discharging method. According to the present disclosure, a user can suitably control a battery charging/discharging under a price changing system in which electricity price varies depending on time of day. To do this, after the user input a charging reference price and a discharging reference price, the battery is charged when electricity price supplied from a power company is equal to or less than the charging reference price and discharged when the electricity price is equal to or higher than the discharging reference price. A charging/discharging schedule of the battery can be determined using various charging/discharging conditions, other than the charging reference price and discharging reference price, and especially the charging/discharging schedule can be controlled such that the user can make the most profit.01-05-2012

Jung Hwan Park, Yongin-Si KR

Patent application numberDescriptionPublished
20090039948CHARGE PUMP CIRCUIT AND CHARGE PUMPING METHOD THEREOF - A charge pump circuit includes first and second charge pumps and a detector. The first charge pump outputs a first charge pump signal of an intermediate voltage level by performing a charge pumping operation in response to a command signal. The detector outputs a detection signal in response to the command signal when a voltage level of an output node is lower than a designated voltage voltage. The second charge pump charge-pumps the voltage level of the output node to a target charge-pumped voltage level higher than the intermediate voltage level and the designated voltage in response to the detection signal and the first charge pump signal.02-12-2009

Jung Hwan Ryu, Seoul KR

Patent application numberDescriptionPublished
20110070515METHOD FOR CONTROLLING OPERATION OF FUEL CELL AT LOW TEMPERATURE - The present invention provides a method for controlling the operation of a fuel cell system at low temperature that can suitably prevent flooding in a cathode of a fuel cell stack during low-temperature operation, thus improving the operation stability and durability of the fuel cell stack. In preferred embodiments, the present invention provides a method for controlling the operation of a fuel cell system at low temperature, the method comprising determining whether the temperature of a fuel cell stack reaches a normal temperature; calculating, when it is determined that the temperature of the fuel cell stack is lower than the normal temperature, a target temperature at a cathode outlet to maintain water present in a cathode of the fuel cell stack in a vapor phase based on information related to an operation state of the fuel cell stack detected by an operation state detection means; and calculating a target amount of coolant based on the calculated target temperature at the cathode outlet and the information related to the operation state of the fuel cell stack, and controlling the amount of coolant supplied to the fuel cell stack based on the calculated target amount of coolant.03-24-2011

Jung Hwan Yun, Seoul KR

Patent application numberDescriptionPublished
20110049924REAR MONITOR MOUNTING STRUCTURE INTEGRATED WITH ARMREST - A rear monitor mounting structure may include an armrest having a recess formed in an upper portion and an armrest hinge portion provided on one end thereof, a rear monitor mount provided in the one end of the armrest and pivotally coupled to the armrest hinge portion of the armrest, a vertical rotary motor fixed to the armrest hinge portion and coupled to the rear monitor mount to selectively rotate the rear monitor mount, wherein the vertical rotary motor is co-axially aligned with an armrest hinge shaft pivotally coupling the armrest and a center console, and a rear monitor connected to the rear monitor mount, wherein the rear monitor rotates toward or away from the recess according to a rotation angle of the rear monitor mount with respect to the armrest hinge shaft.03-03-2011
20110105003AIR CONDITIONING SYSTEM FOR ELECTRIC VEHICLE AND METHOD FOR CONTROLLING THE SAME - The present invention provides an air conditioning system for an electric vehicle and a method for controlling the same in which heat generated from a drive motor during vehicle running is used to assist the heating of a vehicle interior so as to provide more efficient heating of the vehicle interior and, especially, reduce the amount of battery power consumed for the heating of the vehicle interior, thus increasing driving distance and improving fuel efficiency. The air conditioning system of the invention can cool the drive motor, heat the vehicle interior using waste heat of the drive motor, and purify the air supplied to the vehicle interior with the use of a single blower.05-05-2011
20110115790APPARATUS AND METHOD FOR CONVERTING 2D IMAGE SIGNALS INTO 3D IMAGE SIGNALS - The present inventive concept can be used in a wide range of applications, including: mobile devices, such as mobile phones; an image processing apparatus or processor and computer programs, including a member for converting 2D image signals into 3D image signals or using an algorism for converting 2D image signals into 3D image signals.05-19-2011
20110118919APPARATUS AND METHOD FOR AIR CONDITIONING VEHICLE INTERIOR USING BATTERY CHARGE CONTROL OF ELECTRIC VEHICLE - The present invention provides an apparatus and method for air conditioning a vehicle interior using a battery charge control of an electric vehicle, which can improve the cooling/heating performance by setting a start-up time of the electric vehicle and supplying heat generated from a battery during charge and its latent heat to the vehicle interior during initial start-up of the vehicle.05-19-2011
20110136424AIR CONDITIONING SYSTEM FOR ELECTRIC VEHICLE AND METHOD FOR CONTROLLING THE SAME - The present invention provides an air conditioning system for an electric vehicle and a method of controlling the air conditioning system. According to preferred embodiments, the air conditioning system includes a blower, a battery and a Motor Control Unit (MCU), and a controller.06-09-2011
20110295462SYSTEM FOR CONTROLLING CLOCK FOR VEHICLE USING GPS INFORMATION - A system for controlling a clock for a vehicle using Global Positioning System (GPS) information, may include a GPS reception unit for receiving the GPS information from satellites, a clock oscillator for measuring a time value by generating clocks, a switch unit for supplying a user-changed time value by manipulation thereof, a display unit for displaying a current time, and a control unit for, when power of the vehicle is applied, displaying the current time to the display unit by outputting a sum of the time value of the clock oscillator and the user-changed time value of the switch unit, and, when invalid information has been received from the GPS reception unit, storing the user-changed time value reset using the switch unit and then outputting the current time.12-01-2011
20120044208Electronic Switch Apparatus for Vehicle - An electronic switch apparatus for a vehicle, may include a projector module implementing a plurality of switch images, a sensor module detecting locations of respective switch image by recognizing the switch images implemented by the projector module as two-dimensional images, an infrared module emitting infrared rays to areas of the switch images displayed by the projector module, and a control module for, when a specific area of the switch images may be touched, detecting coordinates of the specific area by measuring light reflected from emitted infrared rays of the infrared module, and executing an operation of a switch corresponding to the coordinates.02-23-2012

Jung-Hwan Cho, Gongyang-Si KR

Patent application numberDescriptionPublished
20090140976DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - In a display apparatus, an interface unit receives N image signal groups each including i×j image signals from an external video system, wherein N is a natural number equal to or greater than 2. A display panel includes data lines, gate lines, and pixels to display images. The display panel includes N display areas each having a resolution of i×j, and the N display areas are extended along a vertical direction and sequentially arranged along a horizontal direction. The N display areas display the images corresponding to the N image signal groups input through the N interface units, respectively. Thus, although the display apparatus has an ultra high-definition resolution, a frequency for transmission of the image signals may be prevented from being increased, so that no additional memories are required.06-04-2009

Jung-Hwan Choi, Suwon-Si KR

Patent application numberDescriptionPublished
20080222328Semiconductor memory module and memory system, and method of communicating therein - Example embodiments relate to a semiconductor memory module and memory system, and a method of communicating therein. According to an example embodiment, a semiconductor memory system may include a memory controller, M interconnected memory elements, and/or N data buses, where N is a natural number and M is a divisor of N. The N data buses may connect the M memory elements to the memory controller. Each memory element may use N/M of the N number of data buses.09-11-2008
20090021286PSEUDO DIFFERENTIAL OUTPUT BUFFER, MEMORY CHIP AND MEMORY SYSTEM - An output buffer includes first and second input transistors, first and second output loads and a current source. The first and second input transistors have first current electrodes that are commonly coupled to each other and control electrodes that are respectively coupled to a first differential input signal and a second differential input signal. The first and second output loads are coupled between a first power supply voltage and the first and second input transistors, respectively, wherein an output terminal is coupled to a node where the first output load is coupled to the first input transistor. The current source is coupled between the first current electrodes of the first and second input transistors and a second power supply voltage, wherein the second output load has an impedance value substantially one half of an impedance value of the first output load. Therefore, a differential output signal may be outputted through a single output terminal.01-22-2009
20090045875DATA AMPLIFYING CIRCUIT CONTROLLABLE WITH SWING LEVEL ACCORDING TO OPERATION MODE AND OUTPUT DRIVER INCLUDING THE SAME - A data amplifying circuit for an output driver has a swing level that is controllable according to an operation mode. The data amplifying circuit includes a mode responding circuit supplying an additional source current to a source node of an amplifying circuit in response to a mode selection signal. The mode responding circuit controls the supply of the additional source current in accordance with an operation mode. Another data amplifying circuit of a semiconductor device, according to the invention, includes a small-swing amplifier and a full-swing amplifier. The small-swing amplifier causes a swing level of the output signal to be relatively smaller, while the full-swing amplifier causes the output signal swing level be relatively larger. The small-swing and full-swing amplifiers are alternatively enabled in response to the mode selection signal.02-19-2009
20100118582MEMORY MODULE AND MEMORY SYSTEM HAVING THE SAME - A memory module comprises of a plurality of memory chips arranged in a rank and configured to input and output data in response to at least one of a command signal and an address signal. The memory module also comprises of a plurality of chip select pin terminals configured to transfer a plurality of chip select signals provided from an external device to the plurality of memory chips.05-13-2010
20110299316Memory module, method and memory system having the memory module - The memory module includes a plurality of memory devices, a first connector and a second connector. The first connector is disposed at a first position on the memory module. The first connector is configured to carry low-speed signals for the memory devices. The second connector is disposed at a second position on the memory module, different from the first position. The second connector is configured to carry high-speed signals for at least one of the memory devices. The high-speed signals are a higher speed form of signaling than the low-speed signals. The memory system may include at least one slot electrically connected to a chip set and at least one memory module electrically connected to the slot via the first connector. A transmission line such as a fiber optic cable electrically connects the second connector and the chip set.12-08-2011

Patent applications by Jung-Hwan Choi, Suwon-Si KR

Jung-Hwan Choi, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090103374MEMORY MODULES AND MEMORY SYSTEMS HAVING THE SAME - A memory module includes a plurality of data ports configured to receive/transmit associated data and a plurality of memory devices. The plurality of memory devices include a first set of the memory devices in at least one rank, each memory device of the first set being coupled to each of the associated data ports, and a second set of the memory devices in at least one other rank, each memory device of the second set being configured to receive/transmit the associated data for the memory device through at least each associated memory device of the first set.04-23-2009

Jung-Hwan Hwang, Asan-Si, KR

Patent application numberDescriptionPublished
20110116019LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first substrate and a second substrate facing each other, common voltage wiring disposed on the first substrate and transmitting a common voltage, a first insulating layer disposed on the common voltage wiring, a common electrode disposed on a whole surface of the second substrate, a first conductive member disposed between the first substrate and the second substrate and electrically connecting the common electrode and the common voltage wiring to each other, and a sealant combining the first substrate and the second substrate. The first insulating layer includes a first contact hole exposing a first portion of the common voltage wiring and a plurality of a second contact hole exposing a second portion of the common voltage wiring, the second contact hole having a smaller area than the first contact hole.05-19-2011

Jung-Hwan Kang, Seoul KR

Patent application numberDescriptionPublished
20090148307Apparatus and method for controlling linear compressor with inverter unit - An apparatus and method for controlling a linear compressor with an inverter unit. In the apparatus and method, a capacitor is connected between a driving motor and an inverter unit that applies a voltage to the driving motor according to an output frequency thereof, thereby preventing a jump phenomenon due to an inductance of the motor coil. Furthermore, the linear compressor is precisely controlled through the inverter unit, thereby enhancing stability of the apparatus.06-11-2009

Jung-Hwan Kim, Tongyeong-Si KR

Patent application numberDescriptionPublished
20110097836ARRAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF REPAIRING LINE IN THE SAME - An array substrate includes a substrate, a gate line on the substrate, a data line crossing the gate line to define a pixel region, a thin film transistor connected to the gate and data lines, a pixel electrode in the pixel region, and a common electrode including first, second, third, fourth and fifth portions, wherein the first and second portions are disposed at both sides of the data line, each of the third and fourth portions is connected to the first and second portions, and the fifth portion is connected to the second portion and is extended into a next pixel region adjacent to the pixel region.04-28-2011

Jung-Hwan Kim, Seongnam-Si KR

Patent application numberDescriptionPublished
20110037141Semiconductor Device and Method of Fabricating the Same - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region.02-17-2011
20110175149Semiconductor Device and Method of Fabricating the Same - A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region.07-21-2011

Jung-Hwan Kim, Daejeon KR

Patent application numberDescriptionPublished
20090085482Method of Manufacturing Barrier Rib for Plasma Display Panel - Disclosed herein is a method of manufacturing a barrier rib for a plasma display panel, including a silicon compound resin. The method according to a first embodiment of this invention includes providing a silicon compound resin layer on a substrate; pressing the silicon compound resin layer using a master having a pattern corresponding to the shape of a barrier rib to be transferred; and curing the silicon compound resin and then releasing the master. In addition, the method according to a second embodiment includes loading a silicon compound resin into grooves of a master having a pattern corresponding to the shape of a barrier rib; pressing the master on a substrate to transfer the silicon compound to the substrate; and curing the transferred silicon compound resin and then releasing the master.04-02-2009

Jung-Hwan Kim, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100048015Methods of Forming Void-Free Layers in Openings of Semiconductor Substrates - In a method of manufacturing a floating gate of a non-volatile semiconductor memory, a pattern is formed on a substrate to have an opening that exposes a portion of the substrate. A first preliminary polysilicon layer is formed on the pattern and the exposed portion of the substrate to substantially fill the opening. A first polysilicon layer is formed by partially etching the first preliminary polysilicon layer until a first void formed in the first preliminary polysilicon layer is exposed. A second polysilicon layer is formed on the first polysilicon layer.02-25-2010

Patent applications by Jung-Hwan Kim, Gyeonggi-Do KR

Jung-Hwan Kim, Ansan-Si Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090079535VARISTOR AND VARISTOR APPARATUS - A varistor comprises a main body having first and second external terminals formed on the outer surface thereof, a first withdrawn terminal plate joined to the first external terminal, and a second withdrawn terminal plate joined to the second external terminal, wherein the melting point of a second bonding material for allowing the second withdrawn terminal plate and the second external terminal to be joined to each other is lower than that of a first bonding material for allowing the first withdrawn terminal plate and the first external terminal to be joined to each other.03-26-2009

Jung-Hwan Kim, Suwon-Si KR

Patent application numberDescriptionPublished
20090058785LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display including: a first common electrode line and a second common electrode line located near an edge of a panel and at least partly surrounding a plurality of pixels on the panel; a first common line positioned at an i03-05-2009

Patent applications by Jung-Hwan Kim, Suwon-Si KR

Jung-Hwan Lim, Daejeon KR

Patent application numberDescriptionPublished
20090322359DETECTING DEVICE FOR VALVE OPENING-CLOSING - Disclosed is a device for sensing the opening degree of a valve, which can easily determine the upper and lower limits without using upper and lower limit switches so that, besides simplifying the mechanical structure, the device can be easily installed, maintained, and repaired. The device can avoid basic errors and improve the opening degree sensing performance without using upper and lower limit switches, cams, and a spline so that, by simplifying the mechanical structure, the device can be manufactured, installed, maintained, and repaired at a low cost, and its long-term durability is improved. The device has a main gear adapted to disengage from the meter gear when the main gear is rotated excessively so that any damage to the meter gear and potentiometer, which may occur during installation or use, is prevented.12-31-2009

Jung-Hwan Moon, Pohang-Si KR

Patent application numberDescriptionPublished
20100188153High-efficiency power amplification apparatus using saturated operation and method for controlling the same - A saturated power amplification apparatus and a method for controlling the same are provided, in which a power device is provided, and an output matcher matches a load impedance of the power device. The load impedance is a complex impedance exceeding an impedance generated during power matching in the saturated power amplification apparatus.07-29-2010
20110204974APPARATUS FOR IMPROVING PERFORMANCE AT LOW POWER REGION IN A DOHERTY AMPLIFIER - A method and apparatus improve the performance of a carrier amplifier in a Doherty amplifier. The Doherty amplifier includes a power divider, a carrier amplifier, at least one peaking amplifier, offset lines, and a Doherty circuit. The power divider provides a power signal to each of the carrier amplifier and the at least one peaking amplifier. The carrier amplifier amplifies power of a signal inputted from the power divider. The at least one peaking amplifier amplifies power of a signal inputted from the power divider. The offset lines control a load impedance when the at least one peaking amplifier does not operate. When the at least one peaking amplifier does not operate, the Doherty circuit generates the load impedance of the carrier amplifier that is larger than twice a load impedance at the maximum output power of the carrier amplifier.08-25-2011

Jung-Hwan Oh, Suwon-Si KR

Patent application numberDescriptionPublished
20090044002COMPUTER SYSTEM AND BOOTING METHOD THEREOF - A computer system, including a data storage unit which stores first operating system data of the computer system therein; a main memory to which the first operating system data is copied; a data transmission unit which transmits data between the data storage unit and the main memory; and a controller which performs a power-on self test (POST) of the computer system, and controls the data transmission unit to copy the first operating system data stored in the data storage unit to the main memory during the POST.02-12-2009
20090044135METHOD AND APPARATUS USING ON-SCREEN KEYBOARD AS INPUT UNIT - A method and apparatus using an on-screen keyboard as an input unit. A method of using an on-screen keyboard as an input unit comprises receiving information on a first key that is selected through the input unit that has fewer input keys than the on-screen keyboard, highlighting a predetermined key in a predetermined group of keys including a number key on the on-screen keyboard that corresponds to the first key, and moving a highlighted portion on the on-screen keyboard when a second key is selected through the input unit.02-12-2009
20090307544MEMORY TEST DEVICE AND MEMORY TEST METHOD - A memory test device, including a universal register to conduct an operation by a predetermined universal command language; an extension register having a larger capacity than the universal register and to conduct an operation by a predetermined extension command language; and a controller to write a predetermined test pattern in an external memory using the extension command language, to read the test pattern written in the memory, to determine the identity of the written test pattern and the read test pattern, and to determine a presence of an error in the memory using the universal command language.12-10-2009

Patent applications by Jung-Hwan Oh, Suwon-Si KR

Jung-Hwan Oh, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20080296644CMOS IMAGE SENSORS AND METHODS OF FABRICATING SAME - A CMOS image sensor includes an image transfer transistor therein. This image transfer transistor includes a semiconductor channel region of first conductivity type and an electrically conductive gate on the semiconductor channel region. A gate insulating region is also provided. The gate insulating region extends between the semiconductor channel region and the electrically conductive gate. The gate insulating region includes a nitridated insulating layer extending to an interface with the electrically conductive gate and a substantially nitrogen-free insulating layer extending to an interface with the semiconductor channel region. The nitridated insulating layer may be a silicon oxynitride (SiON) layer.12-04-2008

Patent applications by Jung-Hwan Oh, Gyeonggi-Do KR

Jung-Hwan Park, Seoul KR

Patent application numberDescriptionPublished
20090131527NOVEL ANTHRANILIC ACID DERIVATIVES AND CHLORIDE CHANNEL BLOCKING AGENT CONTAINING THE SAME - The present invention relates to novel anthranilic acid derivatives represented by Chemical Formula I, and a chloride channel blocking agent containing the anthranilic acid derivative or its pharmacologically acceptable salts as an active ingredient. In another aspect, the present invention relates to a method of accurately and efficiently detecting the intracellular chloride channel inhibition and method of screening a chloride channel blocking agent.05-21-2009

Jung-Hwan Park, Gyeongju-Si KR

Patent application numberDescriptionPublished
20120045901METHOD OF FORMING A PATTERN STRUCTURE FOR A SEMICONDUCTOR DEVICE - In a method of forming a pattern structure, a cut-off portion of the node-separated line of a semiconductor device is formed by a double patterning process by using a connection portion of the sacrificial mask pattern and the mask pattern to thereby improve alignment margin. The alignment margin between the mask pattern and the sacrificial mask pattern is increased to an amount of the length of the connection portion of the sacrificial mask pattern. The lines adjacent to the node-separated line include a protrusion portion protruding toward the cut-off portion of the separated line.02-23-2012

Jung-Hwan Song, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090049551METHOD OF AND APPARATUS FOR MONITORING CODE TO DETECT INTRUSION CODE - A method and apparatus for monitoring a code to detect intrusion code is used to monitor target code to determine whether the target code is a resident code in a system or an intrusion code into the system. A first code pattern is extracted from the target code and a second code pattern is loaded from a storage unit, and a distance between the first code pattern and the second code pattern is calculated. The calculated distance is compared to a threshold to determine whether the target code is an intrusion code.02-19-2009

Jung-Hwan Woo, Cheonan-Si KR

Patent application numberDescriptionPublished
20100037445METHOD OF AND APPARATUS FOR DETACHING SEMICONDUCTOR CHIPS FROM A TAPE - An apparatus for and a method of detaching a semiconductor chip from a tape minimize the likelihood that the semiconductor chip will crack. The apparatus includes a holder, a first ejector having an upper end, and a second ejector whose upper end is disposed centrally of that of the first ejector. The holder has an upper portion and a through-hole extending through the upper portion. The ejectors have upper ends that are extendable and retractable out of and back into the holder via the through-hole in the upper portion of the holder. A tape to which at least one semiconductor chip is attached is set against the upper portion of the holder. The first ejector is extended a first distance from the holder to push the semiconductor chip upward. The second ejector is extended from the holder by a second distance larger than the first distance so as to push the semiconductor chip further upward. Thus, the tape is progressively detached from the semiconductor chip.02-18-2010
20110079361APPARATUS FOR SEMICONDUCTOR DIE BONDING - An apparatus for semiconductor die bonding includes a first bonding head and a second bonding head configured to respectively pickup a first semiconductor chip and a second semiconductor chip located at a pickup point. The apparatus for semiconductor die bonding may also include a first transfer device configured to transfer the first bonding head from the pickup point to a bonding point located on a substrate along a transfer path. The first transfer device may further be configured to return to the pickup point along a first return path after the first semiconductor chip is bonded to the substrate. Also, the apparatus for semiconductor die bonding may include a second transfer device configured to transfer the second bonding head from the pickup point to the bonding point located on the substrate along the transfer path. The second transfer device may further be configured to return to the pickup point along a second return path after the second semiconductor chip is bonded to the substrate. Additionally, the apparatus for semiconductor die bonding may include a controller configured to alternately apply a transfer signal and a return signal to the first transfer device and the second transfer device so the first bonding head and the second bonding head do not collide with each other.04-07-2011

Patent applications by Jung-Hwan Woo, Cheonan-Si KR