Oh, Busan
Dong Gi Oh, Busan KR
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20160088557 | TIME SYNCHRONIZATION METHOD FOR ENERGY-EFFICIENT IN WIRELESS NETWORK AND NETWORK ADOPTING SAME - The present disclosure relates to a time synchronization method for energy-efficient wireless network and a network adopting the same that operates time synchronization between sensor nodes using an alternating feature in a low power wireless network with a sleep mode. Accordingly, power consumption is minimized and energy efficiency is improved and accuracy of the time synchronization can be improved regardless of installment positions. | 03-24-2016 |
Dong-Jae Oh, Busan KR
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20130174450 | INFANT SHOE AND LAST USED FOR MANUFACTURING SAME - The disclosure relates to footwear for infants and toddlers manufactured according to foot shape characteristics and walking characteristics of infants and toddlers, different from those of adults, and a last used for manufacturing the same. The footwear for infants and toddlers includes an inner space composed of a toe room in which the toe is disposed, a heel room in which the heel is disposed, and a middle room located between the toe and the heel and in which the foot sole and the foot top are disposed. In particular, since the toe room is formed higher than the toe, an infant or toddler walks while minimizing interference in toe movement. | 07-11-2013 |
Dong Joon Oh, Busan KR
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20110061729 | Solar Cell and Method of Manufacturing the Same - Provided are a solar cell and a method of manufacturing the same. The method includes implanting impurities of a second conductivity type opposite to a first conductivity type on the entire surface of a semiconductor substrate of the first conductivity type to form an emitter layer, forming a first anti-reflective coating (ARC) layer on the emitter layer, patterning a portion of the first anti-reflective coating (ARC) layer where a front electrode will be formed, forming a second anti-reflective coating (ARC) layer on the first anti-reflective coating (ARC) layer and the emitter layer, and forming the front electrode and a rear electrode on front and rear surfaces of the semiconductor substrate. In this method, a double structure of two anti-reflective coating (ARC) layers with different thicknesses may be formed to make electrode patterns distinct, thereby facilitating alignment of electrodes. | 03-17-2011 |
20110277824 | Solar Cell and Method of Manufacturing the Same - Provided are a solar cell and a method of manufacturing the same. The method includes implanting impurities of a second conductivity type opposite to a first conductivity type into a front surface of a semiconductor substrate of the first conductivity type to form an emitter layer, forming a mask layer on the emitter layer, patterning the mask layer by coating etching paste on a portion of the mask layer where a front electrode will be formed, implanting high-concentration impurities into the portion of the mask layer where the front electrode will be formed to form a heavily doped region, removing the remaining mask layer, forming an anti-reflective coating (ARC) on the emitter layer, forming the front electrode on the front surface of the semiconductor substrate, and forming a rear electrode on a rear surface of the semiconductor substrate. In the method of manufacturing the solar cell, the patterning of the front surface of the semiconductor substrate includes directly coating a corrosive emulsion on the mask layer using a screen printing process instead of complicated photolithography and etching processes so that a desired pattern can be formed using a relatively simple process. | 11-17-2011 |
20120090682 | Solar Cell and Manufacturing Method Thereof - A solar cell and a manufacturing method thereof are provided. The method includes forming a microstructure including a texturing on the surface of a semiconductor substrate of a first conductive type, forming a plurality of nanostructures on the surface of the semiconductor substrate, forming an emitter layer by implanting impurities of a second conductive type opposite to the first conductive type in a front face of the semiconductor substrate, forming an anti-reflective coating (ARC) on the emitter layer, forming a front electrode passing through a portion of the ARC and being coupled to the emitter layer, and forming a back electrode on a rear face of the semiconductor substrate of the first conductive type, the rear face being opposite to the face on which the front electrode is formed. A dominant light-collecting characteristic can be approached by forming nanostructures on a semiconductor substrate of a solar cell. | 04-19-2012 |
Dong-Seok Oh, Busan KR
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20140161431 | RESERVOIR FOR TRANSMISSION FLUID - In one embodiment, an Automatic Transmission Fluid (ATF) reservoir is provided. The reservoir includes housing that is combined with a transmission containing ATF and into/out of which the AFT flows. The reservoir also includes a heating body that is combined with the housing and heats the ATF flowing within the housing by generating heat when power is applied. | 06-12-2014 |
Dong Yeop Oh, Busan KR
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20110094587 | METHOD FOR CONTROLLING SELF-ASSEMBLED SRUCTURE OF POLY(3-HEXYLTHIOPHENE)-BASED BLOCK COPOLYMER - Provided is a method for controlling a self-assembled structure of a poly(3-hexylthiophene)-based block copolymer, including: providing a polymer composition containing a block copolymer having a π-conjugated poly(3-hexylthiophene) polymer and a non-conjugated polymer introduced thereto, and a solvent; and coating the polymer composition onto a substrate. | 04-28-2011 |
20140242870 | CHITOSAN AND/OR CHITIN COMPOSITE HAVING REINFORCED PHYSICAL PROPERTIES AND USE THEREOF - The present invention relates to a composite including chitosan and/or chitin and a catechol-based compound, an organic reinforcing material composition including the composite, a product manufactured by using the organic reinforcing material composition, and a method for preparing a chitosan and/or chitin composite with improved strength, including the step of adding the catechol-based compound to chitosan and/or chitin. The chitosan and/or chitin composite including the catechol-based compound is advantageous in that it is able to maintain high strength in a wet-swollen state by improving the problem of strength reduction due to moisture, compared to the composites containing no catechol-based compound. | 08-28-2014 |
Eun-Hye Oh, Busan KR
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20160079330 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - An organic light emitting display device includes: a substrate; a semiconductor on the substrate and including a switching channel of a switching transistor and a driving channel of a driving transistor, wherein the switching transistor and the driving transistor are spaced; a first insulating layer covering the semiconductor; a switching gate electrode on the first insulating layer and overlapped with the switching channel and a driving gate electrode on the first insulating layer and overlapped with the driving channel; a second insulating layer covering the switching gate electrode and the driving gate electrode; a data line on the second insulating layer and configured to transmit a data signal, a driving voltage line on the second insulating layer and configured to transmit a driving voltage; a passivation layer; a pixel electrode on the passivation layer; and a pixel connecting member on the passivation layer. | 03-17-2016 |
20160079331 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - An organic light emitting display device according to the present disclosure includes: a semiconductor on a substrate including a switching channel of a switching transistor and a driving channel of a driving transistor, the driving transistor being spaced from the switching transistor; a first insulating layer covering the semiconductor; a switching gate electrode on the first insulating layer and overlapping the switching channel and a driving gate electrode on the first gate insulating layer and overlapping the driving channel; a second insulating layer covering the switching gate electrode and the driving gate electrode; a data line on the second insulating layer comprising: an upper data line; and a lower data line; a driving voltage line on the second insulating layer; a passivation layer covering the data line and the driving voltage line; a pixel electrode on the passivation layer; and a first pixel connecting member on the passivation layer. | 03-17-2016 |
Eun-Ju Oh, Busan KR
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20100210509 | LONG ACTING HYALURONIC ACID - PEPTIDE CONJUGATE - The invention relates to a novel bioconjugation protocol for peptide suitable for in vivo applications. Bioconjugation of the peptide to HA derivative increases its half life in circulation contributing for a high efficacy. More over, conjugate of HA derivative and peptide which is treated with hyaluronidase shows increased bioactivity. And also, in contrast to PEGylation, HA derivative can be conjugated with many numbers of peptide molecules per single HA derivative chain, which enables multiple action of peptide drugs. | 08-19-2010 |
20100249059 | BONE FILLING COMPLEX AND METHOD FOR FABRICATING THE SAME - Provided is a bone filling complex and a method of preparing the same. The bone filling complex includes a matrix including a hydrogel-type hyaluronic acid derivative; and a bone derivative filling the matrix, and thus adhesion can be prevented and excellent bone generation property can be obtained. For example, the bone filling complex can be used to an injured portion of alveolar bone to derive an regeneration of the alveolar bone. | 09-30-2010 |
20100261245 | LONG ACTING FORMULATION OF BIOPHARMACEUTICAL - The invention relates to a long-acting formulation of biopharmaceutical, more specifically an aptamer therapeutics. A branched PEGylated aptamer or a hyaluronic acid (HA) derivative of which degradation in vivo is regulated is linked by the bioconjugation with biopharmaceutical to produce the long-action formulation. | 10-14-2010 |
20110111477 | LONG ACTING FORMULATION OF BIOPHARMACEUTICAL - The invention relates to a long-acting formulation of biopharmaceutical, more specifically an aptamer therapeutics. A branched PEGylated aptamer or a hyaluronic acid (HA) derivative of which degradation in vivo is regulated is linked by the bioconjugation with biopharmaceutical to produce the long-action formulation. | 05-12-2011 |
20120294945 | DRUG DELIVERY SYSTEM USING HYALURONIC ACID-PEPTIDE CONJUGATE MICELLE - The present invention relates to a drug delivery composition comprising a hyaluronic acid-peptide conjugate micelle and a production method thereof. According to the drug delivery composition and the production method of the drug-loaded, hyaluronic acid-peptide conjugate micelle of the present invention, the reaction for encapsulating can proceed in a mixed solvent of an aqueous solvent and an organic solvent. Therefore, the present invention can be applied to various types of water-insoluble active components and the biocompatible and biodegradable derivative can encapsulate a drug to provide a drug-loaded micelle, which is safe to be applied for human bodies. Moreover, the micelle has a therapeutic effect from the peptide contained therein, which can act in combination with the drug as packing therein. Therefore, the drug delivery composition and its production method can be utilized in the field of producing a sustained release formulation with an extended duration of the medicinal effect. | 11-22-2012 |
Eun-Yeong Oh, Busan KR
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20160089307 | AUXILIARY BOTTLE FEEDING APPARATUS AND BABY PRODUCT TO WHICH AUXILIARY BOTTLE FEEDING APPARATUS IS MOUNTED - The present invention relates to a baby product, and more particularly to an auxiliary bottle feeding apparatus and a baby product to which the auxiliary bottle feeding apparatus is mounted, which are conceived to perform bottle feeding even without assistance of a guardian while taking care of a baby, and serve as a means for making the face of a baby seated in a bottle feeding posture on the baby product and a pacifier of a baby bottle located on a space to face each other while being spaced apart from each other by a predetermined interval, and consistently fixing said state at the same time. | 03-31-2016 |
Guen-Taek Oh, Busan KR
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20110063541 | LIQUID CRYSTAL DISPLAY DEVICE - An LCD device is disclosed. The LCD device includes: a main support of a rectangular rim shape configured to receive a backlight; a liquid crystal display panel disposed on the main support; and first and second top cases disposed to respectively cover first and second portions of the main support and to be mutually discrete and separate from each other, wherein the first and second top cases contact with the main support and bury the liquid crystal display panel therein. | 03-17-2011 |
20110096486 | IMAGE DISPLAY DEVICE - Disclosed herein is an image display device including a liquid crystal panel module for implementing an image; an image display device cover to which the liquid crystal panel module is mounted and fastened; an image display device pedestal base combined with the image display device cover to support the image display device; and a system board mounted within the image display device pedestal base. | 04-28-2011 |
Hojong Oh, Busan KR
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20080273921 | Device for fixing pedal switch of vehicle - The present invention is to improve productivity and maintain a predetermined switch contact gap between a sensing rod and a stopper after mounting the pedal switch in order to accurately detect the operational conditions as the pedal arm is operated, by fastening a pedal switch to a mounting bracket fixed to the car body in one touch insertion way. | 11-06-2008 |
20090000418 | PEDAL APPARATUS FOR VEHICLE - The present invention relates to a pedal apparatus for a vehicle, which makes it possible to reduce the driver's fatigue by reducing the pedal effort when operating the pedal arm and also allows the driver to be able to easily recognize the maximum operational position of the pedal arm. | 01-01-2009 |
20090064816 | KICK DOWN SWITCH OF ACCELERATOR PEDAL APPARATUS - The present invention relates to a kick down switch of an accelerator pedal apparatus, and can provide kick-down operation feeling to a driver through a housing protrusion that selectively comes in contact with a second lever protrusion of a switch lever according to a rotation angle of a pedal arm. Accordingly, it is possible to improve operational feeling, to reduce fatigue, and to meet both stability and economical efficiency. | 03-12-2009 |
20110132134 | OPERATION MODE PENDANT TYPE ADJUSTMENT PEDAL APPARATUS - A pendant type adjustment pedal apparatus includes an adjustment accelerator pedal that adjust a pedal clearance by the rotation of a motor, and an adjustment brake pedal that receives the rotation of motor through a rotary drive cable. Accordingly, convenience in adjusting a pedal clearance is provided, and particularly, adjustment accelerator pedal achieves a vibration mode in addition to a foot effort mode, which is an eco mode, by an electric mode generating device, such as a solenoid or a linear motor. Therefore, it is possible to improve fuel efficiency and to provide a danger recognition function using an accelerator pedal. | 06-09-2011 |
20120132028 | ADJUSTABLE PENDANT AND ORGAN TYPE ACCELERATOR PEDAL DEVICE IN VEHICLE - An adjustable pendant and organ type accelerator pedal device can vary the position of a pedal assembly including a pedal pad forwards and backwards according to driver's will to thereby allow a driver to operate pedal pad in a convenient state, such that convenience is remarkably improved and merchantability is significantly improved by greatly decreasing a sense of fatigue due to operating pedal pad. | 05-31-2012 |
20120137822 | PEDAL DEVICE FOR VEHICLE - A pedal device for a vehicle may include a brake pedal and an accelerator pedal which may be pivotally installed in a movable panel, an electric device selectively moving the movable panel, and an eco device transferring a motion of the electric device to the accelerator pedal to adjust a pedal effort of the accelerator pedal or vibrate the accelerator pedal. | 06-07-2012 |
20120137823 | BRAKE PEDAL DEVICE - Provided is a brake pedal device that can effectively prevent a brake pedal from hurting a drive by forcibly rotating the brake pedal toward the front of the vehicle, away from the driver, when the brake pedal is pushed to driver by a car collision, with the brake pedal supported to the car body. The brake pedal device includes a brake pedal pivotably supported to a car body, and a pivot lever forcibly pivoting the brake pedal to the front of a vehicle, away from a driver, by forcibly pivoting by means of the car body in a collision. | 06-07-2012 |
Hyuncheol Oh, Busan KR
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20130116297 | NOVEL FUSARISETIN COMPOUNDS, AND USE THEREOF - The present invention relates to novel fusarisetin compounds separated from | 05-09-2013 |
20150203883 | BIOSYNTHETIC GENE CLUSTER FOR CHEJUENOLIDE OF MARINE MICROORGANISM HAHELLA CHEJUENSIS - The present invention relates to a biosynthetic gene cluster for a chejuenolide of the marine microorganism | 07-23-2015 |
Hyun Cheol Oh, Busan KR
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20110262374 | NOVEL COMPOUND RAMALIN AND USE THEREOF - The present invention relates to a novel compound having excellent antioxidant activity, isolated from | 10-27-2011 |
20130261174 | PHARMACEUTICAL AND FOOD COMPOSITIONS FOR PREVENTING OR TREATING DIABETES OR OBESITY - The present invention relates to pharmaceutical and food compositions for preventing or treating diabetes or obesity, and more particularly to pharmaceutical compositions and functional foods for preventing or treating diabetes or obesity, which contain, as an active ingredient, a novel compound synthesized from a compound separated from an extract of the | 10-03-2013 |
20140073614 | PHARMACEUTICAL AND FOOD COMPOSITIONS FOR PREVENTING OR TREATING DIABETES OR OBESITY - The present invention relates to pharmaceutical and food compositions for preventing or treating diabetes or obesity, and more particularly to pharmaceutical compositions and functional foods for preventing or treating diabetes or obesity, which contain, as an active ingredient, a novel compound synthesized from a compound separated from an extract of the | 03-13-2014 |
20140094514 | PHARMACEUTICAL AND FOOD COMPOSITIONS FOR PREVENTING OR TREATING DIABETES OR OBESITY - The present invention relates to pharmaceutical and food compositions for preventing or treating diabetes or obesity, and more particularly to pharmaceutical compositions and functional foods for preventing or treating diabetes or obesity, which contain, as an active ingredient, a novel compound synthesized from a compound separated from an extract of the | 04-03-2014 |
Jai Ho Oh, Busan KR
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20120123682 | METHOD AND SYSTEM FOR PRODUCING CLIMATE CRISIS INDEX - The present invention relates to a method for producing a climate crisis index. The present invention provides a method for producing a climate crisis index as a indicator indicating the level of a risk according to climate change, wherein an average of the sum of the following indexes is produced as a climate crisis index: a carbon dioxide(CO | 05-17-2012 |
Jong Ho Oh, Busan KR
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20100157785 | NEAR ML DECODING METHOD BASED ON METRIC-FIRST SEARCH AND BRANCH LENGTH THRESHOLD - In this invention, we propose a near maximum likelihood (ML) method for the decoding of multiple input multiple output systems. By employing the metric-first search method, Schnorr-Euchner enumeration, and branch length thresholds in a single frame systematically, the proposed technique provides a higher efficiency than other conventional near ML decoding schemes. From simulation results, it is confirmed that the proposed method has lower computational complexity than other near ML decoders while maintaining the bit error rate (BER) very close to the ML performance. The proposed method in addition possesses the capability of allowing flexible tradeoffs between the computational complexity and BER performance. | 06-24-2010 |
Junghwan Oh, Busan KR
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20120184847 | HEMOGLOBIN CONTRAST IN ULTRASOUND AND OPTICAL COHERENCE TOMOGRAPHY FOR DIAGNOSING DISEASED TISSUE, CANCERS, AND THE LIKE - A novel contrast mechanism for diagnosing diseased tissue using Ultrasound, Doppler Ultrasonography, Optical Coherence Tomography, or optical Doppler tomography coupled with an externally applied temporally oscillating high-strength magnetic field. | 07-19-2012 |
Jung Hyun Oh, Busan KR
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20090012201 | UV-Curable Aqueous Emulsion, Preparation Thereof And Solventless Coating Composition Comprising The Same - The UV-curable aqueous coating composition is characterized by using a UV-curable aqueous emulsion obtained by urethane reaction with a mixture including a poly-carbonate polyol or polyester polyol; an isocyanate compound; a urethane-reactive carboxylic acid; a UV-curable acrylic oligomer having 2 to 9 functional acrylate groups; a UV-curable acrylic monomer; and a urethane-reactive acrylate without an organic solvent. The aqueous composition provides good environmental acceptability and satisfactory film properties comparable to those of the prior oily UV-curable coating composition and, therefore, it is useful for coating various plastics. | 01-08-2009 |
Kwang Seok Oh, Busan KR
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20120017534 | FLOORING ARTICLE - Disclosed is a floorboard to provide simplified assembly of flooring panels without damage and achieve enhanced horizontal coupling force. The floorboard includes a tongue part provided at a first flooring panel and a recessed part provided at a second flooring panel. The tongue part includes a tongue protrusion, a tongue bottom portion, and a raised retaining portion protruding downward from the tongue bottom portion. The recessed part includes an upper lip caught by the tongue protrusion when the tongue part is inserted into the recessed part, a lower lip, a raised portion protruding upward from an end of the lower lip, and a guide wall defining an inner wall of the recessed part and having the same contour as an arc drawn by an end of the tongue protrusion as the tongue part introduced between the upper and lower lips is pivotally rotated. | 01-26-2012 |
20120317916 | FLOORING MATERIAL AND A ROTATIONAL BODY USED THEREWITH - Provided are a flooring material and a rotational body used therewith which are adapted to improve quality reliability in flooring materials by stably providing not only a fastening force in the horizontal direction but also a fastening force in the vertical direction when flooring panels are assembled with each other, thereby facilitating assembly of the flooring panels and strengthening the joining force due to assembly. To this end, the flooring material according to one embodiment of the present invention is a flooring material formed by assembling a plurality of flooring panels together, comprising: a recessed part which is formed at one end of a flooring panel; a tongue part which is formed so as to assemble in the recessed part at one end of another flooring panel; an accommodating recess which is formed in the recessed part; and a rotational body which is accommodated so as to be able to rotate in the accommodating recess and secures the tongue part by being rotated in one direction when the tongue part is assembled in the recessed part, and releases the tongue part from the secured state by being rotated in the opposite direction when the tongue part is separated from the recessed part. | 12-20-2012 |
Kyung Min Oh, Busan KR
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20090180587 | METHOD OF DETECTING FINE SURFACE DEFECTS - Disclosed herein is a method of detecting fine surface defects, including: applying nano phosphor paste on a surface of a subject; squeegeeing the surface of the subject such that the nano phosphor paste remains only in defects in the subject; and detecting the fine defects in the subject by placing the subject over a light detection plate, irradiating the subject with a light source, and then determining that light-emitting portions detected using the light detection plate are defects in the subject. The method of detecting fine surface defects is advantageous in that the problems with the conventional methods, such as surface contamination, the difficulty in realizing uniform application of a penetrant on a subject, the limitations on the dwelling time of the penetrant and the testing temperature (surface temperature of the subject: 16˜50° C.) thereof, and the contamination of the penetrant, can be overcome, and in that the incidence of inspection errors is decreased, and the time and cost of inspection are reduced, thus improving the production yield of the subject. | 07-16-2009 |
Min-Cheol Oh, Busan KR
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20120121216 | Polymer Optical Waveguide Current Sensor - Provided is an integrated optical current sensor for measuring the magnitude of current. The integrated optical current sensor is fabricated by integrating optical elements, such as a thermo-optic phase modulator, a waveguide polarizer and an optical coupler, on a single substrate. As compared to the known current sensors using optical fibers, the integrated optical current sensor is more compact and enables measurement of current with higher reliability. Provided also is a method for producing current sensor chips in a large scale by using a process for fabricating integrated optical elements. | 05-17-2012 |
20130043129 | GAS SENSOR AND PREPARING METHOD OF THE SAME - The present disclosure relates to a gas sensor including a nanopore electrode and a fluorine compound coated on the nanopore electrode, and also relates to a preparing method of the gas sensor. | 02-21-2013 |
Min Kyung Oh, Busan KR
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20150183619 | Dumbwaiter System - The present invention relates to a dumbwaiter system which is capable of enabling users to automatically purchase and received goods in a residential area by being installed in a multi-dwelling building, and ensures the safety of the users by reducing contact with strangers and preventing crimes. To this end, a multi-stage dumbwaiter system, according to one embodiment of the present invention, comprises: a dumbwaiter having a body of which the inside is vacant the sides can be opened, and a horizontal transfer device for carrying an object inside or outside; and a home case disposed on one side of the dumbwaiter, and having a body of which the inside is vacant and the sides can be opened and a home case transfer device for carrying an object inside or outside, wherein the dumbwaiter delivers an object to the home case or receives an object from the home case. | 07-02-2015 |
Sang Hoon Oh, Busan KR
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20130086851 | DOORS AND WINDOWS SYSTEM HAVING EARTHQUAKE-RESISTANT PERFORMANCE - A Door or window system having earthquake-resistant performance, comprising: a main frame having two vertical frame members that are separated so as to be mutually parallel to each other, and an upper frame member and a lower frame member connected to the upper and lower end portions of the vertical frame members; a plurality of pillar members that are separated from the vertical frame members and arranged side by side thereto; a support beam, which is fixed to the end portions of the pillar members, extends horizontally, and has both end portions separated from the vertical frame members; and a damper, which is fixed between the support beam and the upper frame member, or between the support beam and the lower frame member, receives a horizontal load applied from the exterior, and is plastically-deformed when yielding to a horizontal load that is more than the tolerated horizontal load. | 04-11-2013 |
Seung Hun Oh, Busan KR
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20130062799 | METHOD FOR MANUFACTURING A TWO-DIMENSIONAL POLYMER OPTICAL WAVEGUIDE - The present invention relates to a method for manufacturing a two-dimensional polymer optical waveguide, which is used for manufacturing a two-dimensional optical waveguide through simplified processes using a single imprint original master. The method includes: replicating a pattern through a first hot-embossing process on a thermoplastic polymer sheet using a single original master; forming a buffer layer on the surface of the replicated pattern; manufacturing a polymer mold having a cladding pattern on the other side without a buffer layer through a second hot-embossing process using the original master; replicating a pattern by molding the polymer mold out of an elastic material and forming an upper elastic mold and a lower elastic mold by vertically separating the elastic material; and forming middle cladding using the upper and lower elastic molds, filling regions on and below the middle cladding with core resin patterns, and performing a curing process after stacking upper and lower cladding to form a two-dimensional optical waveguide. | 03-14-2013 |
20130292052 | METHOD FOR MANUFACTURING PHOTOALIGNING INTEGRATED LARGE AREA METALLIC STAMP, AND METHOD FOR MANUFACTURING POLYMER OPTICAL DEVICE USING SAME - The disclosure relates to a method for manufacturing a photoaligning integrated large area metallic stamp, which includes the following steps: making a unit device PLC mold pattern, and molding a unit PLC device pattern through a multistep imprinting method using the PLC mold pattern; heat treating the unit PLC device pattern to minimize scattering loss due to surface roughness; making a groove pattern for supporting an optical fiber; making an integrated PDMS mold for a unit device by aligning the unit PLC device pattern and the groove pattern; and repeatedly replicating the integrated PDMS mold for a unit device to make a large area PDMS pattern, and making a large area stamp through electroforming using the large area PDMS pattern. | 11-07-2013 |
Seung Yeop Oh, Busan KR
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20150183619 | Dumbwaiter System - The present invention relates to a dumbwaiter system which is capable of enabling users to automatically purchase and received goods in a residential area by being installed in a multi-dwelling building, and ensures the safety of the users by reducing contact with strangers and preventing crimes. To this end, a multi-stage dumbwaiter system, according to one embodiment of the present invention, comprises: a dumbwaiter having a body of which the inside is vacant the sides can be opened, and a horizontal transfer device for carrying an object inside or outside; and a home case disposed on one side of the dumbwaiter, and having a body of which the inside is vacant and the sides can be opened and a home case transfer device for carrying an object inside or outside, wherein the dumbwaiter delivers an object to the home case or receives an object from the home case. | 07-02-2015 |
Songjoo Oh, Busan KR
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20090267051 | Method of preparing quantum dot-inorganic matrix composites - A method for preparing a quantum dot-inorganic matrix composite includes preparing an inorganic matrix precursor solution containing one or more quantum dot precursors, spin-coating the precursor solution on a substrate to form an inorganic matrix thin film, and heating the inorganic matrix thin film to form an inorganic matrix, while growing the quantum dot precursors into quantum dots in the inorganic matrix, thereby yielding a quantum dot-inorganic matrix composite. The quantum dot-inorganic matrix composite thus obtained has a structure in which the quantum dots have a high efficiency and are densely filled in an inorganic matrix. The quantum dot-inorganic matrix composites can be prepared using a low temperature process, and can be used for various displays and electronic device material applications. | 10-29-2009 |
20090281265 | Nanocrystal-polydimethylsiloxane composite and preparation method thereof - Disclosed herein are a nanocrystal-polydimethylsiloxane composite and a method for preparing the same. More specifically, provided are a nanocrystal-polydimethylsiloxane composite in which one or more polydimethylsiloxane derivatives having urea cross-links are bound to the surface of a nanocrystal, and a method for preparing the same. The nanocrystal-polydimethylsiloxane composite comprises optically transparent polydimethylsiloxane with remarkably high durability, thus imparting improved luminescence efficiency and product reliability to various electronic devices, when applied as a luminescent material to the electronic devices. | 11-12-2009 |
Sung-Kyu Oh, Busan KR
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20140179373 | PORTABLE TERMINAL ON WHICH MULTIPLE SIMS ARE CAPABLE OF BEING MOUNTED, AND METHOD OF SELECTING SIM THEREIN - A method of selecting a Subscriber Identity Module (SIM) in a portable terminal on which multiple SIMs are capable of being mounted, includes determining whether an application/service that is currently being executed is an application or a service for which security is previously set, selecting a SIM that is previously set for security use or a SIM that is set for general use, according to a result of the determination, and performing communication. | 06-26-2014 |
Tae-Min Oh, Busan KR
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20130200680 | EXCAVATION SYSTEM USING A WATER JET, AND EXCAVATION METHOD USING THE SAME - A tunnel excavation technique using a water jet. A water jet system includes a moving unit movable back and forth with respect to an area to be blasted for tunnel excavation, an articulated robot arm mounted on the moving unit, a water jet nozzle which ejects high-pressure water and an abrasive toward an area to be excavated, and a control unit which controls the moving unit, the articulated robot arm and the water jet nozzle. A free face having a predetermined depth is formed of the area to be excavated in the direction in which the tunnel is to be excavated using the water jet system. Since the blasting is performed after the free face is formed, blast vibration can be effectively restricted. | 08-08-2013 |
Yong-Seok Oh, Busan KR
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20080291269 | 3D IMAGE DISPLAY METHOD AND SYSTEM THEREOF - A three-dimensional image display method is disclosed. The three-dimensional image display method in accordance with an embodiment of the present invention includes: displaying an object image; displaying a background image by using a three-dimensional image display method; and disposing the object image at a close distance and the background image at a far distance such that the object image and the background image overlap inside a same viewing angle. By using images having a different sense of depth, a high-resolution image can be displayed while providing a sense of reality. | 11-27-2008 |
20090033741 | 2D-3D CONVERTIBLE DISPLAY DEVICE AND METHOD HAVING A BACKGROUND OF FULL-PARALLAX INTEGRAL IMAGES - A two dimensional to three dimensional (2D-3D) convertible display device is disclosed. In one embodiment, the display device includes i) a first display unit configured to selectively output one of a composite image and backlight, wherein the composite image comprises a background image and a mask image, for an object, wherein the background image comprises element images for a background excluding the object and wherein the mask image is a white image which has the same shape as that of the object, ii) a lens unit configured to convert the composite image into a stereoscopic image or pass through the backlight and iii) a second display unit configured to output i) a two-dimensional (2D) image of the object by the use of the backlight at a 2D mode and ii) the combination of the 2D image and the composite image at a three dimensional (3D) mode. | 02-05-2009 |
20140192171 | METHOD FOR DISPLAYING THREE-DIMENSIONAL INTEGRAL IMAGES USING MASK AND TIME DIVISION MULTIPLEXING - A method for displaying three-dimensional integral images using a mask and a time division multiplexing which is configured in such a way that a three-dimensional image is displaced in a space as an element image obtained from a three-dimensional object is passed through a lenslet and a mask, the mask consisting of a blocking region through which an element image does not pass and a transmission region through which an element image passes, for thereby displaying three-dimensional images. The present invention is advantageous to play back a three-dimensional image the resolutions of which are enhanced in a depth-based integral imaging method using a time division display of an element image and a masked image. | 07-10-2014 |
Young Sae Oh, Busan KR
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20090152493 | Method For Preparing Cellulose-Based Film and Cellulose-Based Film - Disclosed herein is a method for preparing a cellulose-based film from raw material pulp, the method including the steps of: preparing a dope from a composition comprising 5-15 wt % of a pulp having an alpha-cellulose content of more than 90% and 85-95 wt % of an aqueous N-methylmorpholine-N-oxide solution; extruding the dope from a die onto a running support; casting the extrudate to form a sheet-shaped material; washing the cast sheet with water to remove N-methylmorpholine-N-oxide therefrom; and drying the washed sheet. The method enables the cellulose-based film to be prepared from environmentally friendly wood pulp through an environmentally friendly process. | 06-18-2009 |
Young-Se Oh, Busan KR
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20100092777 | ORGANIC POLYSILOXANE, ADHESIVE COMPOSITION COMPRISING THE SAME, AND RUBBER STIFFENER TREATED THEREBY - The present invention relates to a novel polymer, an adhesive composition including the same, and a rubber reinforcing material treated with the same, and more particularly to an organic polysiloxane including a certain repeating unit, an adhesive composition including the same, and a rubber reinforcing material treated with the same. | 04-15-2010 |
20100154377 | CELLULOSE-BASED FILAMENT FOR TIRE CORD, A BUNDLE COMPRISING THE SAME, A TWISTED YARN COMPRISING THE SAME, AND A TIRE CORD COMPRISING THE SAME - Disclosed are a cellulose-based filament for a tire cord, a bundle including the same, a twisted yarn including the same, and a tire cord including the same. The cellulose-based filament is suitable for use in a tire cord has advantages in that strength deterioration due to twisting is remarkably low and elongation is improved, and thus the fatigue resistance is good. | 06-24-2010 |
20100174060 | LYOCELL FIBER FOR TIRE CORD AND TIRE CORD COMPRISING THE SAME - The present invention relates to a lyocell fiber having superior the crystalline properties, which are measured by wet-treated and dry-treated condition under high temperature and high pressure conditions compared to measurement under standard conditions, and to a tire cord comprising the lyocell fiber. According to the present invention, the lyocell fiber has strength, elongation, and modulus that are superior to those of a conventional rayon, even when the lyocell fiber is wet- and dry-treated under high temperature and high pressure conditions by specifying water-washing conditions of a spinning machine, thereby improving dimensional stability of a tire cord when it is applied to the tire cord. | 07-08-2010 |
20110118389 | CELLULOSE-BASED FIBER, AND TIRE CORD COMPRISING THE SAME - The present invention provides cellulose-based fibers including cellulose and at least one polymer selected from the group consisting of a polysiloxane, a polyacrylic acid, a polyacrylamide, an m-aramid, and a poly vinylalcohol/polystyrene copolymer, and a tire cord including the same. Furthermore, the cellulose-based fibers of the present invention have an advantage in superior elongation and tenacity of the prior cellulose fibers by blending at least one polymer having a functional group that is capable of a hydrogen bond with a hydroxyl group of a cellulose molecule. | 05-19-2011 |
20110218337 | LYOCELL FILAMENT FIBER AND CELLULOSE BASED TIRE CORD - Disclosed are a lyocell filament fiber and a cellulose-based tire cord. The lyocell filament fibers and the cellulose based tire cord have good dimensional stability in a highly humid state and thus the tenacity, the elongation, and the modulus are superior to common cellulose based fibers, such as rayon and so on. Their property maintaining rate at the post manufacturing process is high and the processibility is good. | 09-08-2011 |
20110252762 | LYOCELL FILAMENT FIBERS AND TIRE CORD USING THE SAME - The present invention is relates to lyocell filament fibers having fatigue resistance and durability, of which the dimensional stability at high temperature and the high speed driving performance are good, and a tire cord prepared therefrom. | 10-20-2011 |
20160090441 | METHOD FOR PREPARING A PITCH FOR CARBON FIBERS AND A PITCH FOR CARBON FIBERS PREPARED BY THE SAME - A method for preparing a pitch for carbon fibers and a pitch for carbon fibers prepared by the same are disclosed. The method includes introducing a peroxide compound and ozone into a petroleum-process residual oil, followed by heat treatment for reaction. By the method, the pitch for carbon fibers, which exhibits excellent oxidative stabilization and oxidative incompatibility while having a high softening point and high strength, can be obtained at high yield at a relatively low temperature. | 03-31-2016 |