Ahn, Chungcheongnam-Do
Bo-Kyoung Ahn, Chungcheongnam-Do KR
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20120086930 | PHOTOLITHOGRAPHY EXPOSURE APPARATUS HAVING BLINDING PLATES AND METHOD OF DRIVING THE SAME - An exposure apparatus includes a light source for providing bursts of photolithographic exposure light, a mask for applying a pattern to the photolithographic exposure light, a variable length blind for blocking parts of an exposure window from receiving the photolithographic exposure light and a blind driver for controllably driving the variable length blind. The blind includes a plurality of movable blocking plates. The blind driver includes a plurality of motors and a motor control unit which are structured to rapidly return one or more of the blocking plates through the exposure window in a time duration between the bursts of photolithographic exposure light so that a return stain is not formed on the substrate. In one embodiment, the substrate is a mother substrate having a plurality of LCD daughter substrates being formed thereon. | 04-12-2012 |
Dal Ahn, Chungcheongnam-Do KR
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20100277259 | SERIAL L-C RESONATOR WITH THREE-DIMENSIONAL STRUCTURE AND ULTRA-WIDE BANDPASS FILTER USING THE SAME - In an ultra-wideband (UWB) band-pass filter, an equivalent circuit of a band-pass filter for direct frequency conversion is configured to have a series LC resonator and a parallel LC resonator, the parallel LC resonator is implemented as a short stub and an open stub, and the series LC resonator is implemented by modeling an inductor and a capacitor as a distributed constant circuit. The series LC resonator is implemented to have a 3D structure for effective designing of the band-pass filter by a new method of implementing a series resonator circuit. In the UWB band-pass filter, a low-pass filter for improving band-stop characteristics is additionally connected. | 11-04-2010 |
20110032915 | LOCAL WIRELESS COMMUNICATION SYSTEM AND METHOD EMPLOYING FREQUENCY-VARIABLE SIGNAL DETECTION - A system for performing a local wireless communication using a predetermined frequency band divided into a plurality of channels. The system includes a hub for scanning each channel to identify available one of the plurality of channels and transmitting data over the available channel. The system further includes a sensor set to start to operate when the sensor detects a signal within the predetermined frequency band. The sensor spectrum-senses the signal of the frequency band for each channel, and analyzes a header of packet data for each channel, and receives and processes the packet data if the signal is identified to have a designated code. | 02-10-2011 |
20110034194 | LOCAL WIRELESS COMMUNICATION SYSTEM AND METHOD FOR ADAPTIVE CHANNEL SELECTION OF SENSOR SYSTEMS - An apparatus for performing a local wireless communication using a frequency band. At least a part of the frequency band is divided into a plurality of channels. The apparatus includes a plurality of sensors, each sensor scanning each channel to identify whether each channel is used or not, selecting an unused channel as a data transmission channel, and transmitting data through the unused data transmission channel. The apparatus further includes at least one hub receiving and processing the data transmitted from each sensor through each corresponding data transmission channel. | 02-10-2011 |
20110115558 | DUAL BAND HIGH FREQUENCY AMPLIFIER USING COMPOSITE RIGHT/LEFT HANDED TRANSMISSION LINE - Disclosed herein is a dual band high frequency amplifier using a composite right/left handed (CRLH) transmission line (TL). Accordingly, a CRLH TL structure having a dual band characteristic is inserted into an input matching circuit and/or an output matching circuit in the high frequency amplifier, and a matching circuit is designed so that impedance matching is performed at two frequencies, thereby obtaining both gain and matching characteristics at the two frequencies. | 05-19-2011 |
20120112857 | DOUBLE MICROSTRIP TRANSMISSION LINE HAVING COMMON DEFECTED GROUND STRUCTURE AND WIRELESS CIRCUIT APPARATUS USING THE SAME - Disclosed are a microstrip transmission line having a common defected ground structure (DGS) and a wireless circuit apparatus having the same. The microstrip transmission line realizes a common defected ground structure (DGS) and a double microstrip structure, and includes: a first dielectric layer; a first signal line pattern formed on a first surface of the first dielectric layer; a common ground conductive layer formed on a second surface of the first dielectric layer and having a defected ground structure, the first surface facing the second surface; a second dielectric layer having a first surface brought into contact with the common ground conductive layer, and facing the first dielectric layer while interposing the common ground conductive layer between the first dielectric layer and the second dielectric layer; and a second signal line pattern formed on a second surface of the second dielectric layer, the first surface facing the second surface. | 05-10-2012 |
Duck Ki Ahn, Chungcheongnam-Do KR
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20090104413 | Filter For Display Device And Method For Fabricating The Same - A filter for a display device and a method for fabricating the filter are provided. The filter includes a base including a transparent polymer resin and a color compensation colorant mixed in the transparent polymer resin, an external light blocking pattern formed at the base, and an electromagnetic wave blocking layer formed on the base. | 04-23-2009 |
20090116249 | External Light Blocking Film For Display Device, Method Of Fabricating The Same And Filter Having The Same - An external light blocking film includes a base of transparent resin and an external light blocking pattern having a plurality of external light blocking parts. The external light blocking part is formed by filling a groove with a light absorption material. One end of the external light blocking part is exposed on a surface of the base, and the other end of the external light blocking part is buried in the base. The one end has a shape of a stripe and the other end has a shape of a zigzag curve when viewed from the front. Furthermore, a method of fabricating an external light blocking film and a filter for a display device having an external light blocking film are provided. The external light blocking film has an excellent ability to absorb external light. A complicated pattern of the external light blocking film can be easily formed without additional machining processes, whereby the fabrication time and cost can be saved. | 05-07-2009 |
Hee-Joong Ahn, Chungcheongnam-Do KR
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20090241171 | WEARABLE COMPUTER SYSTEM AND METHOD CONTROLLING INFORMATION/SERVICE IN WEARABLE COMPUTER SYSTEM - A wearable system and a method for transferring and controlling information/service based on biologically generated information from a user are provided. In the method, an intuitive bio signal generated by a user is sensed and a device pointed by the sensed bio signal is selected. Then, bio signal information is created using the sensed bio signal and the generated bio signal information is transmitted to the selected device. After transmitting, the information/service is transferred to the selected device after confirming that the selected device that receives the bio signal information is activated. | 09-24-2009 |
Jaehwan Ahn, Chungcheongnam-Do KR
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20110127002 | CENTERING SUBMERGED ENTRY NOZZLE FOR CONTINUOUS CASTING OF METAL SLAB - The present invention relates to an apparatus for centering a submerged entry nozzle. The present invention includes: a plurality of laser beam generators | 06-02-2011 |
Joong Bok Ahn, Chungcheongnam-Do KR
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20090036679 | METHOD FOR RESOLVING ENANTIOMERS FROM RACEMIC MIXTURE HAVING CHIRAL CARBON IN ALPHA POSITION OF NITROGEN - Disclosed relates to a simplified method for resolving enantiomers by dissolving a racemic mixture having chiral carbon in α-position of nitrogen and an amino acid to prepare a diastereomeric salt, not using catalyses or enzymes, with enhancing the optical purity remarkably. Moreover, the present invention can prepare the enantiomers in large quantities without using expensive catalysts or without controlling the reaction conditions for the activity of enzymes applied. | 02-05-2009 |
20100056623 | FUMAGILLOL DERIVATIVES OR METHOD FOR PREPARATION OF FUMAGILLOL DERIVATIVES, AND PHARMACEUTICAL COMPOSITIONS COMPRISING THE SAME - The present invention relates to a fumagillol derivative, pharmaceutically acceptable salts thereof and a method for preparing the same. The compounds of the present invention can be prepared through acylation, hydrolysis and alkylation. The compound of the present invention can be prepared in the form of a pharmaceutically acceptable salt or inclusion compound. The present invention provides fumagillol derivatives having the following characteristics: increased inhibiting effect on angiogenesis, low toxicity, excellent solubility and chemical stability as compared to conventional angiogenesis inhibitors. The compounds of the present invention can be used as an anti-cancer medicine, inhibitor of cancer metastasis, or the therapeutic agent for treating rheumatic arthritis, psoriasis, diabetic retinitis or obesity. | 03-04-2010 |
Kevin Ahn, Chungcheongnam-Do KR
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20130137240 | METHODS FOR FABRICATING SEMICONDUCTOR DEVICES - Provided are methods for fabricating a semiconductor device. The methods include forming a hard mask pattern on a semiconductor substrate, forming a first trench having a first width and a second trench having a second width on the semiconductor substrate using the hard mask pattern as a mask, forming an oxide film on the hard mask pattern and the first and second trenches, forming first and second isolation films on the first and second trenches by planarizing the oxide film until the hard mask pattern is exposed, and etching the first isolation film by a first thickness by performing dry cleaning on the semiconductor substrate and etching the second isolation film by a second thickness different from the first thickness. | 05-30-2013 |
Sangmee Ahn, Chungcheongnam-Do KR
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20140186357 | METHOD FOR TREATMENT OF DEGENERATIVE BRAIN DISORDERS COMPRISING INHIBITOR OF SUM01 AND BACE1 INTERACTION AS AN ACTIVE INGREDIENT - A treatment method for degenerative brain disorders using a pharmaceutically effective dose of the inhibitor of SUMO1 (small ubiquitin-like modifier 1) and BACE1 (β-secretase) interaction, or the inhibitor of SUMO1 expression or activation is provided. More specifically, it was confirmed that SUMO1 increased BACE1 accumulation and Aβ generation, that is SUMO1 regulated BACE1 accumulation by interacting with BACE1, and BACE1 dileucine motif was involved in SUMO1-mediated BACE1 accumulation. In addition, SUMO1 protein induced autophagy in H4 cells, while SUMO1 depletion reduced LC3-II level. It was further confirmed that SUMO1 and LC3 were co-localized in the cortex of APP transgenic mice. As shown herein, a pharmaceutically effective dose of the inhibitor of SUMO1 and BACE1 interaction or the inhibitor of SUMO1 expression can be effectively used for the treatment of degenerative brain disorders. | 07-03-2014 |
Si-Hyun Ahn, Chungcheongnam-Do KR
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20110304786 | DISPLAY SUBSTRATE - A display substrate includes a plurality of gate lines extending in a first direction and arranged in a second direction in a display area of the display substrate, an alignment film formed in the display area and in an end area adjacent to end portions of the gate lines in a peripheral area surrounding the display area, and a plurality of circuit stages formed in the end area to connect to the gate lines and a dummy stage connected to a last circuit stage of the circuit stages. Each of the circuit stages includes a gate driving circuit disposed at the higher portion the gate line corresponding to the circuit stages and a gate connecting line formed in the peripheral area between the display area and the gate driving circuit to connect each of the circuit stages with each of the gate lines. | 12-15-2011 |
Soon-Kil Ahn, Chungcheongnam-Do KR
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20110021582 | BENZOPHENONE THIAZOLE DERIVATIVES USEFUL FOR INHIBITING FORMATION OF MICROTUBULE AND METHOD FOR PRODUCING THE SAME - Disclosed are a novel thiazole-containing benzophenone derivative represented by formula 1, and an isomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof and a solvate thereof, a pharmaceutical composition comprising the derivative, a use of the derivative as therapeutic agent and a method for preparing the derivative. The benzophenone thiazole derivatives inhibit formation of microtubules and eliminate actively proliferating cells of malignant tumors to control general cell proliferation. In formula 1, R, R | 01-27-2011 |
Sung Il Ahn, Chungcheongnam-Do KR
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20090078373 | APPARATUS FOR MANUFACTURING FLAT-PANEL DISPLAY - Disclosed herein is a flat panel display (FPD) manufacturing apparatus for performing a desired process for a substrate positioned in a chamber after establishing a vacuum atmosphere in the chamber. The vacuum chamber is divided into a chamber body and an upper cover to ensure easy opening/closing operations of the upper cover. | 03-26-2009 |
20090084316 | APPARATUS FOR MANUFACTURING FLAT-PANEL DISPLAY - Disclosed herein is a flat panel display (FPD) manufacturing apparatus for performing a desired process for a substrate positioned in a chamber after establishing a vacuum atmosphere in the chamber. The vacuum chamber is divided into a chamber body and an upper cover to ensure easy opening/closing operations of the upper cover. | 04-02-2009 |
Tae-Won Ahn, Chungcheongnam-Do KR
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20150334516 | SYSTEM, METHOD AND APPARATUS FOR WIRELESS NETWORK CONNECTION USING NEAR FIELD COMMUNICATION - A system, method, and apparatus are provided for establishing a wireless network connection between a mobile terminal and an electronic apparatus by using a near field communication network. At least one electronic apparatus is connected to the near field communication network. A mobile terminal is connected to the near field communication network, exchanges information with the at least one electronic apparatus for a wireless communication network connection through the connected near field communication network, and establishes the wireless communication network connection with the at least one electronic apparatus based on the exchanged information. | 11-19-2015 |