Joo Hwan
Joo Hwan Cho, Seongnam-Si KR
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20150071014 | DATA TRAINING DEVICE - A data training device includes a training control block configured to activate driving signals for driving a bit line sense amplifier, with a word line deactivated, when a write training operation is performed according to a mode register write command; and the bit line sense amplifier configured to store training data according to the driving signals from the training control block. | 03-12-2015 |
Joo Hwan Jung, Suwon-Si KR
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20150156865 | CORELESS BOARD FOR SEMICONDUCTOR PACKAGE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING SEMICONDUCTOR PACKAGE USING THE SAME - Disclosed herein are a coreless board for a semiconductor package and a method of manufacturing the same. The coreless board for the semiconductor package includes: a support; a build-up layer formed on the support; an external connection terminal formed on the build-up layer; and a solder resist layer formed on the build-up layer so as to expose the external connection terminal. | 06-04-2015 |
Joo Hwan Kim, Gyeonggi-Do KR
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20150343005 | PHARMACEUTICAL COMPOSITION AND FUNCTIONAL FOOD COMPRISING NATURAL EXTRACTS FOR PREVENTING OR TREATING DIABETIC COMPLICATIONS OR ANGIODEMA - The present invention relates to a pharmaceutical composition and a health functional food composition for prevention, treatment or amelioration of diabetic complications or angioedema containing a mixed extract of | 12-03-2015 |
Joo Hwan Lee, Daejeon KR
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20130157262 | Method for Selecting Antibody-Producing Cell Line, and Kit Thereof - Provided is a method for selecting antibody-producing cell lines using a split fluorescent protein, and a kit for selecting antibody-producing cell lines. By using the split fluorescent protein to select the antibody-producing cell lines, the antibody-producing cell lines can be easily detected by observing whether a single fluorescent color derived from reassembly of the split fluorescent proteins is expressed, which leads in a drastic reduction in selection time and cost required to select highly productive antibody-producing cell line. | 06-20-2013 |
20140152489 | HIGH-FREQUENCY OCEAN SURFACE RADAR USING FREQUENCY MULTIPLEXING AND ORTHOGONAL WAVEFORMS - A method of reusing a frequency by allocating two orthogonal signal waveforms to the same frequency band is as follows. Two high-frequency ocean surface radars can be operated in the same frequency band without mutual interference by allocating a signal having an up-chirped LFM waveform and a signal having a down-chirped LFM waveform, having the same frequency band, to the two radars by employing an orthogonal characteristic between the two signals. Furthermore, a plurality of radars located within a distance within which interference is possible can be operated without mutual interference by combining and allocating two orthogonal signals and a plurality of frequency bands. | 06-05-2014 |
20140349693 | METHOD OF PROVIDING MILLIMETER WAVE BAND-BASED COMMUNICATION CONNECTION SERVICE - A method of providing millimeter wave band-based communication connection service, includes measuring a strength of a signal received from at least one base station that forms at least one cell; and storing signal data based on the measured strength of the signal so that the signal data is mapped to the at least one base station. Further, the method includes selecting any one base station from among the at least one base station based on the stored signal data; and connecting communication to the selected base station. Further, the method is performed on a millimeter wave band-based mobile communication terminal. | 11-27-2014 |
Joo Hwan Lee, Seoul KR
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20120127813 | DEVICE AND METHOD FOR STORING ERROR INFORMATION OF MEMORY - A device for storing error information of a memory device includes a plurality of parent memories and a plurality of child memories. Each of the parent memories stores a row address and a column address of one defective cell. Each of the child memories stores a column address of a defective cell, having a row address identical to a row address stored in the corresponding parent memory, or a row address of a defective cell, having a column address identical to a column address stored in the corresponding parent memory. Herein, each of the parent memories stores information about information about whether a row repair must be performed to repair a defective cell stored in the parent memory and information about whether a column repair must be performed to repair a defective cell stored in the parent memory. | 05-24-2012 |
20120131396 | DEVICE AND METHOD FOR REPAIR ANALYSIS - A device for repair analysis includes a selection unit and an analysis unit. The selection unit is configured to select a part of the row addresses of a plurality of spare pivot fault cells and a part of the column addresses of the spare pivot fault cells in response to a control code. The analysis unit is configured to generate an analysis signal indicating whether row addresses of a plurality of non-spare pivot fault cells are included in selected row addresses and column addresses of the non-spare pivot fault cells are included in selected column addresses. | 05-24-2012 |
20120185822 | WEB BROWSING APPARATUS AND METHOD THROUGH STORING AND OPTIMIZING JAVASCRIPT.RTM. CODE - A web browsing method and apparatus for enhancing a user's convenience in web browsing is provided in a system that uses a multi-core processor. The web browsing method and apparatus is applicable in a system, such as a smart phone that has a low computing power or that has a storage device like a flash memory operating in a rapid manner. Optimized machine codes are stored in files and incremental optimization is achieved, so the JAVASCRIPT® program of the web application has a small compilation overhead and achieves fast execution. | 07-19-2012 |
Joo Hwan Noii, Yongin-Si KR
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20090097884 | DEVELOPER CARTRIDGE, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developer cartridge constructed in a structure in which an overload is not applied to stirring units to stir a developer even when the developer is lump includes a housing having a developer storage chamber, a first stirring unit rotatably mounted in the housing, and a second stirring unit rotatably mounted in the housing such that the second stirring unit is rotatable with time delay after a rotation of the first stirring unit. The second stirring unit includes a rotary shaft, and the developer cartridge further includes a rotary member coupled to one end of the rotary shaft and a power transmission member to transmit a rotary force to the rotary member after rotation thereof by a predetermined angle. | 04-16-2009 |
Joo Hwan Oh, Seoul KR
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20090019880 | ICE MAKER AND CONTROL METHOD OF SAME - An ice maker and a controlling method thereof are provided. The system and method may prevent the overflow or splashing of water or thin ice out of an ice tray during the supply of water or when the ice maker is shaken by an external force. The ice maker may include an ice tray, and an ice tray cover that covers an open portion of the ice tray. The cover may include an opening through which water may be supplied to the ice tray, and through which ice may be discharged from the ice tray. The cover may move together with the tray, or may move separately from the tray, to facilitate these supply and discharge processes. | 01-22-2009 |
Joo Hwan Park, Yongin-City KR
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20150185565 | CURVED LIQUID CRYSTAL DISPLAY - A curved liquid crystal display including a first substrate having a curved shape; a plurality of gate lines and data lines on the first substrate; a plurality of thin film transistors connected to the gate lines and data lines; a plurality of color filters on the thin film transistors; a plurality of pixel electrodes and common electrodes on the plurality of color filters, the plurality of pixel electrodes and common electrodes overlapping with each other with a first insulating layer therebetween; a second substrate having a curved shape, the second substrate facing the first substrate; vertical alignment layers on inner sides of the first substrate and the second substrate; and a liquid crystal layer between the vertical alignment layers, wherein liquid crystal molecules of the liquid crystal layer are aligned to be vertical to surfaces of the first substrate and the second substrate when an electric field is not formed. | 07-02-2015 |
Joo Hwan Park, Suwon-Si KR
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20080198125 | CIRCUIT BOARD AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A circuit board includes; a reference common voltage generating circuit receiving an input voltage from an input node and outputting a reference common voltage to an output node, wherein the reference common voltage generating circuit includes a voltage distribution unit including a first resistor connected between the input node and the output node and a second resistor connected between the output node and a ground, and a sink current generating unit outputting a sink current to the output node, wherein the sink current is adjusted according to a resistance of a setting resistor, and a coupling line coupling the setting resistor and the reference common voltage generating circuit. | 08-21-2008 |
20090237340 | LIQUID CRYSTAL DISPLAY MODULE AND DISPLAY SYSTEM INCLUDING THE SAME - A liquid crystal display (LCD) module and a display system including the LCD module are provided. The LCD module includes a common-voltage adjustment unit which is enabled by interfacing with an external device and thus adjusts a common voltage; a signal control unit which outputs a first reverse signal that reverses the polarity of a voltage at intervals of at least two frames; and a data driving unit which reverses the polarity of an image data voltage with respect to the common voltage at intervals of at least two frames in response to the first reverse signal. | 09-24-2009 |
20100013781 | TOUCH KEY MODULE - A touch key module of an electronic device is provided. The touch key module includes a Printed Circuit Board (PCB) on which a capacitive touch sensor chip is located and a conductor, located on a surface of the PCB, for detecting contact of the capacitive touch sensor chip. | 01-21-2010 |
20100113112 | ANTENNA DEVICE FOR PORTABLE WIRELESS TERMINAL - An antenna device for a portable wireless terminal is provided. The antenna device includes a main antenna for mobile communication for transmitting and receiving signal in a first frequency band, a Transmit (Tx) sub-antenna for transmitting signals in a second frequency band, a Receive (Rx) sub-antenna for receiving signals in a third frequency band, and a controller for selectively using one of the Tx sub-antenna and the Rx sub-antenna if the second frequency band overlaps with the third frequency band, and for providing control such that the Tx sub-antenna and the Rx sub-antenna are simultaneously used if the second frequency band does not overlap with the third frequency band. Accordingly, without increasing the volume of the portable wireless terminal, an antenna space can be ensured and radiation performance can be improved. | 05-06-2010 |
20100220079 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a gate driver including stages, and a clock generator which receives a clock generation control signal, generates a clock signal and a clock bar signal based on one or more of the clock generation control signal, a gate-on voltage and a gate-off voltage, and outputs the clock signal and the clock bar signal to the gate driver. The clock generator includes an overcurrent protector unit which intercepts at least one of the clock signal and the clock bar signal when a voltage level of at least one of the gate-on voltage and the gate-off voltage is greater than a reference level. | 09-02-2010 |
20110053636 | VOICE CALL PROCESSING METHOD AND APPARATUS FOR MOBILE TERMINAL - A voice call processing method and apparatus for a mobile terminal are provided for improving voice communication quality by switching between matching circuits that are optimized for respective audio output modes of the mobile terminal. The mobile terminal includes at least two matching circuits designated for individual audio output modes, a mode tracking unit for detecting a change from a first audio output mode to a second audio output mode, a control unit for identifying the second audio output mode and the matching circuit designated for the second audio output mode and for outputting a control signal for switching to the matching circuit designated for the second audio output mode, and a switch for switching the signal path between the at least two matching circuits based on the control signal output by the control unit. | 03-03-2011 |
20130090072 | MOBILE TERMINAL, AND METHOD FOR IMPROVING RADIATION PERFORMANCE AND SPECIFIC ABSORPTION RATE OF AN ANTENNA OF A MOBILE TERMINAL - A method and a mobile terminal of improving radiation performance and Specific Absorption Rate (SAR) of an antenna are provided. The mobile terminal includes a controller for generating a control signal for switching a ground according to a frequency band used by an antenna, and a switch unit for switching a contact point for each frequency band according to the control signal. | 04-11-2013 |
20140160110 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a gate driver including stages, and a clock generator which receives a clock generation control signal, generates a clock signal and a clock bar signal based on one or more of the clock generation control signal, a gate-on voltage and a gate-off voltage, and outputs the clock signal and the clock bar signal to the gate driver. The clock generator includes an overcurrent protector unit which intercepts at least one of the clock signal and the clock bar signal when a voltage level of at least one of the gate-on voltage and the gate-off voltage is greater than a reference level. | 06-12-2014 |
Joo Hwan Seo, Seoul KR
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20140138182 | GLASS FIBER-BASED SOUND ABSORBING SHEET HAVING ADJUSTABLE PERMEABILITY AND AIR POROSITY - The present invention relates to a sound absorbing sheet having excellent sound absorbing performance and surface decorative effects. The sound absorbing sheet of the present invention is characterized by comprising a base and having an average sound absorption of 0.4 or higher in a frequency range of 200 to 2000 Hz. The permeability and air porosity of a base layer of the sound absorbing sheet of the present invention may be adjusted, thereby achieving significantly superior effects of sound absorbing performance despite the thinness of the sound absorbing sheet. | 05-22-2014 |
20150099621 | PHOTOCATALYST, MANUFACTURING METHOD THEREFOR, AND PHOTOCATALYST APPARATUS - Provided is a photocatalyst including: a porous metal oxide film; and metal particles formed on a surface of the porous metal oxide film. | 04-09-2015 |
20150105235 | PHOTOCATALYST, PREPARATION METHOD THEREOF, AND PHOTOCATALYST APPARATUS - Provided are: a photocatalyst comprising a porous first metal oxide film having pores, and a second metal particle or a second metal oxide particle formed inside the pores; a method for preparing the photocatalyst; and a photocatalyst apparatus using the photocatalyst. | 04-16-2015 |
Joo-Hwan Cho, Gyeonggi-Do KR
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20090033396 | SETUP/HOLD TIME CONTROL CIRCUIT - A setup/hold time control circuit includes a reference signal output unit that sets any one of multiple ports as a reference port and buffers a signal input through the reference port to output as a reference signal. The setup/hold time control circuit also includes a plurality of comparative signal output units that set the remaining ports as comparative ports. The comparative signal output unit synchronizes signals that are input from the comparative ports with the reference signal and outputs the signals as internal signals. The setup/hold time control circuit improves high speed operation of a semiconductor memory device by improving upon the setup/hold time difference between multiple ports. | 02-05-2009 |
20100008177 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a clock input unit configured to receive a first clock and a second clock from the external. The memory device further includes a frequency conversion unit configured to convert a frequency of the second clock so that the frequency of the second clock becomes identical to a frequency of the first clock, a phase comparison unit configured to compare a phase of the first clock with that of a clock outputted from the frequency conversion unit, and output a comparison signal corresponding to the comparison result, a logic level change unit configured to change a logic level of a training information signal when a logic level of the comparison signal is fixed for a given time after being changed, and a signal transfer unit configured to transfer the training information signal to the external. | 01-14-2010 |
20130294186 | PHASE-LOCKED LOOP AND INTEGRATED CIRCUIT CHIP INCLUDING THE SAME, AND TEST SYSTEM INCLUDING THE INTEGRATED CIRCUIT CHIP - A phase-locked loop includes a phase detection unit configured to compare the phase of a feedback clock with the phase of an input clock, a clock generation unit configured to adjust the frequency of a first clock based on a result of the comparison of the phase detection unit, a first division unit configured to generate an output clock by dividing the first clock at a first division ratio in test mode and generate the output clock by dividing the first clock at a second division ratio that is lower than the first division ratio in normal mode, and a second division unit configured to generate the feedback clock by dividing the output clock. | 11-07-2013 |
20140049310 | SEMICONDUCTOR DEVICE, SEMICONDUCTOR SYSTEM, AND MONITORING METHOD THEREOF - A semiconductor device includes a plurality of oscillation signal generation units configured to output a plurality of oscillation signals whose cycles are adjusted according to a PN ratio, which is a size ratio of a PMOS transistor to an NMOS transistor, and a selection unit configured to selectively output the oscillation signals outputted from the plurality of oscillation signal generation units in response to a test mode signal. | 02-20-2014 |
Joo-Hwan Kim, Daejeon KR
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20120100233 | COMPOSITIONS FOR TREATMENT AND PREVENTION OF DIABETIC COMPLICATIONS USING OSTEOMELES SCHWERINAE - The present invention relates to a treatment agent for diabetic complications, and a method for the treatment of diabetic complications using the same. The present invention confirmed that | 04-26-2012 |
Joo-Hwan Lee, Gwangju KR
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20130147095 | METHOD AND APPARATUS FOR MANUFACTURING A MAGNETORHEOLOGICAL ELASTOMER - Disclosed is a method and electromagnetic device for manufacturing an anisotropic magneto-rheological elastomer (MRE) with an improved magneto-rheological effect. The electromagnetic device includes upper and lower electromagnets, and a test piece located therebetween. The upper and lower electromagnets are configured to apply a magnetic field of variable strength, which may be controlled by current applied from a power controller, to the test piece in a desired direction or orientation. More specifically, the device is designed in such a manner that carbonyl iron powder (CIP) (magnetic-responsive particles) dispersed in a magneto-rheological elastomer using natural rubber as a matrix can be oriented in the application direction of the magnetic field. A MRE produced by the method and electromagnetic device of the invention prevents formation of bubbles within a test piece, thereby improving the arrangement/orientation of CIP with the matrix. | 06-13-2013 |
Joo-Hwan Park, Yongin-Si KR
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20150116621 | CURVED LIQUID CRYSTAL DISPLAY PANEL - A curved liquid crystal display panel includes a first substrate, a liquid crystal layer and a second substrate. The first substrate includes a column spacer fixedly anchored to and protruding therefrom. The second substrate includes a stepless preliminary contact area corresponding to a contact-making free end of the column spacer where the preliminary contact area is part of a larger and also non-stepped area. The second substrate is combined with the first substrate to receive the liquid crystal layer therebetween. The non-stepped area is dimensioned to account for shift of the where the contact-making free end of the column spacer makes contact due to the curvature of the first and second substrates. | 04-30-2015 |
Joo-Hwan Park, Gyeonggi-Do KR
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20110187730 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A display apparatus includes a display panel, a plurality of gate lines driving circuit parts, a plurality of data lines driving circuit parts and a timing control part. The display panel includes a plurality of gate lines and a plurality of data lines. The gate lines driving circuit parts output gate signals to the gate lines. The data lines driving circuit parts output data signals to the data lines. The timing control part applies a dummy gate signal to at least one dummy gate line, controls a latch sequence of image data and an output sequence of the gate lines driving circuit parts in a reverse sequence, in response to an inverted-mounting mode selection signal for displaying an inverted mount image to the display panel. Because signal lines can be shortened, heat generated by the display apparatus may be decreased and image quality of the display apparatus may be improved. | 08-04-2011 |
Joo-Hwan Yang, Gyeonggi-Do KR
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20130302309 | Non-animal soft capsule shell composition having improved disintegration and shell hardness - The present invention relates to a non-animal soft capsule shell composition having improved disintegration stability and shell hardness. More particularly, the present invention relates to a non-animal soft capsule shell composition and to a method for preparing same, in which an antioxidant and a disintegration aid are added to the non-animal soft capsule shell composition that is typically made of starch or a starch derivative, gums, a plasticizer, a buffering agent, and purified water which inhibit starch retrogradation and thus inhibit an increase in disintegration stability and capsule shell hardness, thereby improving disintegration stability and shell hardness. | 11-14-2013 |