Song, Gwangju
Byoung-Ju Song, Gwangju KR
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20110091122 | Device and method of processing image data to be displayed on a display device - In an image data processing device, a selection unit receives a block of original image data of a current image, a block of compressed and reconstructed image data of the current image, and a block of compressed and reconstructed data of a previous image that precedes the current image. A comparison unit compares the block of compressed and reconstructed image data of the current image with the block of compressed and reconstructed data of the previous image. An output unit, in the event that the comparison of the comparison unit results in a match, outputs the block of original image data of the current image as first output data, and, in the event that the comparison of the comparison unit does not result in a match, outputs the block of compressed and reconstructed data of the previous image as the first output data. | 04-21-2011 |
Chung Hyun Song, Gwangju KR
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20100045129 | SPINDLE MOTOR - A spindle motor is disclosed, wherein the spindle motor is integrally formed by a one side-exposed cylindrical bearing housing by pressing a metal sheet plate to save material costs and to simplify an assembly process of constituent elements, whereby the manufacturing cost can be reduced, and a bearing housing is press-fitted or bonded to a base without caulking process to make a perpendicularity of the bearing housing against the base accurate, whereby a perpendicularity of a rotation shaft against the base is also accurate, and whereby noise and vibration are reduced, and the integral formation of the bearing housing inhibits oil discharged from the bearing from leaking toward a lower surface of the beating housing, thereby prolonging the life of the product. | 02-25-2010 |
20100264767 | Bearing and Spindle Motor - Provided is a sintered bearing with oil for a spindle motor. The bearing is characterized in that at least one portion of upper and lower sides of the bearing is denser than other portions of the bearing. | 10-21-2010 |
20110156541 | SPINDLE MOTOR - A spindle motor is disclosed, wherein the spindle motor is integrally formed by a one side-exposed cylindrical bearing housing by pressing a metal sheet plate to save material costs and to simplify an assembly process of constituent elements, whereby the manufacturing cost can be reduced, and a bearing housing is press-fitted or bonded to a base without caulking process to make a perpendicularity of the bearing housing against the base accurate, whereby a perpendicularity of a rotation shaft against the base is also accurate, and whereby noise and vibration are reduced, and the integral formation of the bearing housing inhibits oil discharged from the bearing from leaking toward a lower surface of the bearing housing, thereby prolonging the life of the product. | 06-30-2011 |
Doo Young Song, Gwangju KR
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20120161847 | SWITCHING DEVICE AND METHOD FOR PREVENTING MALFUNCTION OF THE SAME - The present invention provides a switching device and a method for preventing malfunction of the same. The switching device includes: a controller for outputting a plurality of digital control signals; a protecting unit connected to the controller for protecting all signals when the plurality of digital control signals outputted from the controller are simultaneously received at a state of ON; a gate driver connected to the protecting unit for generating a switch control signal by converting the control signal passed through the protecting unit; and a plurality of switches connected to the gate driver for individually performing ON•OFF operations according to each of the switching control signals. | 06-28-2012 |
20120257422 | DC/DC CONVERTER AND ELECTRIC GENERATING SYSTEM USING SOLAR CELL HAVING THE SAME - Disclosed herein is an electric generating system using a solar cell, including: a DC/DC converter that converts output voltage generated from a solar cell into DC voltage and has a converter switching device; a snubber device that has a snubber switch clamping voltage applied to the converter switching device; and a control device that detects the voltage applied to the converter switching device and controls an operation of the snubber switch according to a detected voltage level applied to the converter switching device, thereby increasing the efficiency of the electric generating system using a solar cell while reducing switching loss and conduction loss. | 10-11-2012 |
20120268970 | ELECTRIC GENERATING SYSTEM USING SOLAR CELL - An electric generating system using a solar cell improves the quality of output power by including a converter for converting an output voltage generated from the solar cell into a DC voltage in a pulse shape. An inverter converts the DC voltage in the pulse shape into an AC voltage and applies the AC voltage to a power system and a control device for determining whether an erroneous operation of the electric generating system using the solar cell is generated or not based on an output voltage of the solar cell, an output current of the solar cell and a voltage of the power system. At least one inverter switching device among a plurality of inverter switching devices performs a switching at a frequency higher than a frequency during a normal operation at an interval where the erroneous operation is generated. | 10-25-2012 |
Eun-Kyoo Song, Gwangju KR
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20100298946 | ARTIFICIAL KNEE JOINT INCLUDING PLURAL FLEXIONS IN A FEMUR JOINT MEMBER - An artificial knee joint in which plural flexions are formed at a femur joint member includes a femur joint member which is joined to an end portion of a tibia near a femur; a tibia joint member which is joined to an end portion of a femur near a tibia; and a bearing member between the femur joint member and the tibia joint member, wherein the femur joint member includes plural side flexions which have various radii of curvature in order to make the contact surface become enlarged so that the stress may be dispersed at the contact portion with the tibia. | 11-25-2010 |
Hui Song, Gwangju KR
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20130019932 | Nanostructure Array Substrate, Method for Fabricating the Same and Dye-Sensitized Solar Cell Using the Same - Disclosed are a nanostructure array substrate, a method for fabricating the same, and a dye-sensitized solar cell by using the same. The nanostructure array substrate includes a plurality of metal oxide nanostructures vertically aligned on the substrate while being separated from each other. The metal oxide nanostructures include nanorods having a ZnO core/TiO | 01-24-2013 |
20160104616 | METHOD OF FABRICATING ZINC OXIDE NANOSTRUCTURES USING LIQUID MASKING LAYER - A method of preparing zinc oxide nanostructures using a liquid masking layer is disclosed. The method includes preparing a substrate having a zinc oxide seed layer formed thereon; loading the substrate in a reactor in which a lower liquid masking layer, a precursor liquid layer for hydrothermal growth, and an upper liquid masking layer are disposed in order; and forming zinc oxide nanostructures in a pattern on the substrate through hydrothermal growth by heating the precursor liquid layer for hydrothermal growth. | 04-14-2016 |
Hye Sun Song, Gwangju KR
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20150283979 | Car Cleaner - The present invention relates to a car cleaner, and more particularly, to a car cleaner which is capable of sucking dust with a strong suction force and discharging high pressure air with a strong blowing force. The car cleaner according to the present invention includes a collecting part having a collecting space coupled with a main body of the cleaner to collect dust or foreign substances; a suction/discharge pipe of which one side is coupled with the collecting part to be in communication therewith, and which has a suction and spray nozzle configured to transfer the dust or the foreign substances in the car to the collecting part; a vacuum suction unit having a sucking part connected with the collecting part to provide a suction force to the collecting part and a discharging part configured to discharge sucked air; an external air suction switching unit installed between the collecting part and the sucking part of the vacuum suction unit so that air in the collecting part or external air is selectively sucked into the sucking part; and a suction/discharge switching unit provided so that air discharged through the discharging part is discharged through the suction/discharge pipe. The car cleaner in accordance with the present invention can suck the dust or the foreign substances in the car and also can blow away the dust accumulated at the corner or in the gap, thereby effectively removing the dust. | 10-08-2015 |
Jeong Gi Song, Gwangju KR
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20160051340 | TEMPORARY RESIN-BASED CROWN - The present invention relates to a temporary resin-based crown that is used in dental prosthetic surgery to protect a prepared tooth before a final prosthesis is mounted on the prepared tooth, to a method for manufacturing the temporary resin-based crown, to a set of temporary resin-based crowns, and to a method for utilizing the set of temporary resin-based crowns. The temporary resin-based crown includes a body made of a thermoplastic resin softened at a temperature of 50 to 90° C. and having a hollow portion formed at the interior thereof, the body being standardized by the occlusal surface of a tooth, the outer shape of a tooth, a crown length, a mesiodistal crown diameter, a mesiodistal cervical area diameter, and labia-lingual and buccolingual crown diameters, and one temporary resin-based crown or two or more temporary resin-based crowns connected to each other is (are) provided. | 02-25-2016 |
Jin Kyu Song, Gwangju KR
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20110287198 | ALKALI-ACTIVATED BINDER, ALKALI-ACTIVATED MORTAR, CONCRETE PRODUCTS AND WET RED CLAY PAVING MATERIAL USING BINDER - The present invention relates to an alkali-activated binder which can be used as a binder for replacing cement, and more particularly, to an alkali-activated binder, and to mortar, concrete, concrete products, and wet loess paving material comprising the binder, in which inorganic sodium-free alkaline materials are contained to reduce the total amount of Na | 11-24-2011 |
20130059099 | CEMENT-FREE ALKALI-ACTIVATED BINDING MATERIAL, AND MORTAR AND CONCRETE USING SAME - The present invention relates to a cement-free alkali-activated binder. More particularly, the present invention relates to a cement-free alkali-activated binder having a novel combination ratio, which can improve the compressive strength of mortar and concrete in which the cement-free alkali-activated binder is used as a binding material instead of cement, and which can solve the low field applicability of mortar and concrete in terms of quick setting characteristics, fluidity loss, economic efficiency and the like, and to mortar or concrete comprising the same. The cement-free alkali-activated binder can improve field applicability by controlling the content and combination ratio of an alkali activator included in the cement-free alkali-activated binder, and can solve the problems of the toxicity of cement, the carbon dioxide (CO | 03-07-2013 |
Jin Kyung Song, Gwangju KR
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20100197598 | NOVEL MACROMOLECULE TRANSDUCTION DOMAINS AND METHODS FOR IDENTIFICATION AND USES THEREOF - The present invention discloses novel macromolecule transduction domain (MTD) peptides which facilitate the traverse of a biologically active molecule across the cell membrane. Also disclosed are polynucleotides encoding the MTD peptides, methods of identifying the MTD peptides; methods of genetically engineering a biologically active molecule to have cell permeability by using the MTD peptides, methods of importing a biologically active molecule into a cell by using the MTD peptides, and uses thereof. | 08-05-2010 |
20140186379 | NOVEL MACROMOLECULE TRANSDUCTION DOMAINS AND METHODS FOR IDENTIFICATION AND USES THEREOF - The present invention discloses novel macromolecule transduction domain (MTD) peptides which facilitate the traverse of a biologically active molecule across the cell membrane. Also disclosed are polynucleotides encoding the MTD peptides, methods of identifying the MTD peptides; methods of genetically engineering a biologically active molecule to have cell permeability by using the MTD peptides, methods of importing a biologically active molecule into a cell by using the MTD peptides, and uses thereof. | 07-03-2014 |
Jin Young Song, Gwangju KR
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20140312759 | FOOD CONTAINER AND REFRIGERATOR HAVING THE SAME - A food container allowing the inner space of the food container to be appropriately divided with a minimum number of components and a refrigerator having the same. The food container includes a case defining an accommodation space therein, an inner surface of the case being provided with a stepped portion, a divider assembly to partition the accommodation space as desired, the divider assembly having one side slidably seated on the stepped portion. | 10-23-2014 |
Ji-Young Song, Gwangju KR
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20110129579 | PREPARATION OF FIBROUS FIBER AND AVAILABILITY OF IT IN THE DRESSING/LIQUID FOOD - The present invention relates to a low-calorie/low-fat dressing and mayonnaise formulation for which the emulsifying stability has been improved using fibrous fiber. More specifically, it relates to a low-calorie/low-fat dressing and mayonnaise formulation wherein the dietary fiber content and emulsifying stability are improved by carrying out a high-temperature heat treatment together with ultrasonication during the cross-linking of starch, and fibrous fiber with reduced starch particle size is added to lower the fat content and improve the emulsifying stability. | 06-02-2011 |
Jonghun Song, Gwangju KR
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20150346570 | LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE - The present disclosure is related to a liquid crystal display panel and a liquid crystal display device including: a first substrate including an active area and a non-active area which corresponds to a peripheral area of the active area; a static electricity absorbing pattern of a lattice pattern formed in the non-active area; and a second substrate facing the first substrate. | 12-03-2015 |
Jong-In Song, Gwangju KR
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20080298813 | ALL-OPTICAL FREQUENCY UPCONVERTER AND ALL-OPTICAL FREQUENCY UPCONVERSION METHOD IN RADIO-OVER-FIBER SYSTEM - Disclosed is an all-optical frequency upconverter in a radio-over-fiber system that outputs upconverted optical radio frequency (RF) signals using an optical intermediate frequency signal and an optical local oscillation signal. The all-optical frequency upconverter includes a semiconductor optical amplifier that mixes the optical intermediate frequency signal with the optical local oscillation signal through four wave mixing, and an optical filter that filters a plurality of frequency component signals, which are generated through the four wave mixing, to extract optical RF signals. According to the invention the system configuration can be made simple, and wide LO and IF frequency bandwidths can be provided. | 12-04-2008 |
20100321755 | OPTICAL MODULATOR, METHODS OF MANUFACTURING AND OPERATING THE SAME AND OPTICAL APPARATUS INCLUDING THE OPTICAL MODULATOR - An optical modulator, methods of manufacturing and operating the same, and an optical apparatus including the optical modulator are disclosed. The optical modulator includes an electro-optical converter and an optical-electric converter, stacked perpendicular to a substrate, and a gate transistor. The gate transistor gates a signal transmitted to the electro-optical converter from the optical-electric converter and allows charges generated in the optical-electric converter and charges remaining in the electro-optical converter to flow while bypassing the electro-optical converter when gating ON is performed. | 12-23-2010 |
June-O Song, Gwangju KR
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20080224165 | Top-Emitting Light Emitting Diodes and Methods of Manufacturing Thereof - Provided are a top-emitting nitride-based light emitting device having an n-type clad layer, an active layer and a p-type clad layer sequentially stacked thereon, comprising an interface modification layer formed on the p-type clad layer and a transparent conductive thin film layer made up of a transparent conductive material formed on the interface modification layer; and a process for preparing the same. In accordance with the top-emitting nitride-based light emitting device of the present invention and a process for preparing the same, there are provided advantages such as improved ohmic contact with the p-type clad layer, leading to increased wire bonding efficiency and yield upon packaging the light emitting device, capability to improve luminous efficiency and life span of the device due to low specific contact resistance and excellent current-voltage properties. | 09-18-2008 |
Kang Il Song, Gwangju KR
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20160054050 | STORAGE CONTAINER AND REFRIGERATOR HAVING THE SAME - A storage container having a sensor unit and a refrigerator having the same. The storage container includes a container body; a container cover coupled to the container body; a sensor module disposed at least at one of the container body or the container cover; and a coupling member provided as to accommodate at least a portion of the sensor module, and detachably coupled to at least one of the container body or the container cover. The sensor unit is detachably coupled to the storage container, and thus a replacement of the sensor unit may be easily performed. | 02-25-2016 |
Kwang-Min Song, Gwangju KR
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20120091434 | VERTICAL LIGHT-EMITTING DEVICE - A vertical light-emitting device includes: a substrate; a first electrode disposed on a bottom surface of the substrate; a reflection layer disposed on a top surface of the substrate; a current spreading layer disposed on the reflection layer and comprising a groove having a width narrower toward a top portion thereof; a light generation layer disposed on the current spreading layer; and a second electrode disposed on the light generation layer. | 04-19-2012 |
Sang-Bin Song, Gwangju KR
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20120086040 | LIGHT-EMITTING DIODE HAVING A WAVELENGTH CONVERSION MATERIAL LAYER, AND METHOD FOR FABRICATING SAME - Provided is a light-emitting diode having a wavelength conversion material and a method for fabricating the same. The light-emitting diode comprises: a base structure; a light-emitting diode chip arranged on the base structure; and a wavelength conversion material layer arranged on the light-emitting diode chip, such that the area adjacent the upper surface of the light-emitting diode chip is thicker than the area adjacent to the side surface of the light-emitting diode chip. In addition, the method for fabricating a light-emitting diode comprises: a step of arranging the light-emitting diode chip on the base structure; and a step of arranging a wavelength conversion material layer containing a light-transmitting photocurable material on the light-emitting diode chip, such that the area thereof adjacent to the upper surface of the light-emitting diode chip is thicker than the area thereof adjacent to the side surface of the light-emitting diode chip. | 04-12-2012 |
20130234274 | LIGHT EMITTING APPARATUS - There is provided a light emitting apparatus including: at least one pair of lead frames; a light emitting device electrically connected to the lead frames to emit ultraviolet rays; a body including a side wall surrounding the light emitting device, and a groove portion formed in an upper surface of the side wall to receive an adhesive; and a lens part disposed above the light emitting device and fixed to the upper surface of the side wall of the body by the adhesive. | 09-12-2013 |
Sung-Gun Song, Gwangju KR
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20130326454 | APPARATUS AND METHOD FOR REDUCING PEAK POWER USING ASYNCHRONOUS CIRCUIT DESIGN TECHNOLOGY - Disclosed herein are an apparatus and method for reducing peak power using an asynchronous circuit design technology. The apparatus includes a combinational circuit unit and an asynchronous control circuit unit. The combinational circuit unit divides a combinational circuit into a plurality of partial circuits based on the depth of input and output. The asynchronous control circuit unit controls the combinational circuit so that the switching operations of the partial circuits are performed in an asynchronous manner according to temporal order and so that a switching operation is not performed in other partial circuits when a switching operation is performed in a partial circuit. | 12-05-2013 |
Sun-Jung Song, Gwangju KR
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20110009954 | METHOD FOR MANUFACTURING OF DRUG-RELEASING STENT COATED WITH TITANIUM-OXIDE THIN FILM - Disclosed is a method for manufacturing a drug-releasing stent, including: coating a titanium dioxide or nitrogen-doped titanium dioxide thin film on a metal stent; and attaching a drug on the surface of the titanium oxide thin film. More specifically, the method for manufacturing a drug-releasing stent includes: coating a titanium dioxide or nitrogen-doped titanium dioxide thin film on a metal stent, which can be inserted into the blood vessel, by plasma enhanced chemical vapor deposition (PECVD); modifying the surface of the titanium oxide thin film with hydroxyl groups by low-temperature plasma; and chemically attaching a drug such as an antithrombotic drug or a neointimal hyperplasia inhibitor, so that the drug may be released in the blood vessel in a sustained manner. | 01-13-2011 |
20130129912 | Method for Manufacturing of Drug-Releasing Stent Coated with Titanium-Oxide Thin Film - A method for manufacturing a drug-releasing stent is provided. The method includes providing a titanium precursor, a carrier gas and a reactant gas in a plasma vacuum chamber, and generating a plasma for 1 to 6 hours to form a titanium oxide thin film on the surface of a stent. The method further includes providing steam or oxygen and hydrogen in the plasma vacuum chamber and generating a low-temperature plasma for 10 minutes to 2 hours to modify the surface of the titanium oxide thin film. The method further includes reacting the titanium oxide thin film of the stent with a drug in an acidic solution and under an inert gas atmosphere at room temperature to 100° C. for 30 minutes to 4 hours to attach the drug. | 05-23-2013 |
20140018908 | Gene Delivery Stent Using Titanium Oxide Thin Film Coating, and Method for Fabricating Same - The present invention relates to a gene delivery stent using titanium oxide thin film coating and a method for fabricating the gene delivery stent. The gene delivery stent according to the present invention may be loaded with a drug having anti-inflammatory and anti-thrombotic effects and simultaneously deliver a gene capable of inhibiting proliferation of vascular smooth muscle cells. Accordingly, late thrombosis and metal allergy may be reduced, and vascular restenosis in the stent region may be prevented, thereby making it possible to increase treatment effects of the bare metal stent. | 01-16-2014 |
Yong Sun Song, Gwangju KR
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20120023975 | REFRIGERATOR AND CONTROL METHOD THEREOF - A control method includes determining whether to perform a defrosting operation of an evaporator, closing a valve to prevent refrigerant from moving into the evaporator if implementation of the defrosting operation is determined, performing a refrigerant collecting operation, and opening the valve upon completion of the defrosting operation. Intercepting a flow path of the refrigerant to prevent the refrigerant from moving into the evaporator during defrosting prevents explosion due to leakage of the refrigerant. | 02-02-2012 |
Young-Ho Song, Gwangju KR
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20150263225 | DEVICES HAVING NITRIDE QUANTUM DOT AND METHODS OF MANUFACTURING THE SAME - Devices having nitride quantum dots and methods of manufacturing the same are provided. The device includes a nitride group material substrate, a plurality of nanorods that are formed on the nitride group material layer and are separated from each other, and a nitride quantum dot on each of the nanorods. A pyramid-shaped layer may be further formed between each of the nanorods and the nitride quantum dot. The nanorods and the nitride quantum dot are covered by an upper contact layer. A plurality of nitride quantum dots may be formed on each of the nanorods and the respective nitride quantum dots may have different sizes. | 09-17-2015 |
Young Hoon Song, Gwangju KR
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20120201748 | COACERVATE HAVING AN IONIC POLYMER MIXED WITH THE ADHESIVE PROTEIN OF A MUSSEL OR OF A SPECIES OF THE VARIOME THEREOF - The present invention relates to a coacervate comprising a mussel adhesive protein and an anionic polymer, and more particularly, to a coacervate prepared by mixing a mussel adhesive protein with an anionic polymer, and a novel use thereof. In the present invention, a coacervate prepared by mixing a mussel adhesive protein and an anionic polymer shows a very excellent adhesive strength to various substrates such as cells or metals, and is able to maintain its adhesive strength in the presence of water or under water, thereby being effectively used as an adhesive. Moreover, it has an activity capable of encapsulating bioactive materials, thereby being effectively used as an active component of a composition for delivering bioactive materials. | 08-09-2012 |
Young Ii Song, Gwangju KR
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20130167575 | REFRIGERATOR - A structure of a driving apparatus capable of easily organizing a driving apparatus that is configured to drive an ejector of an ice maker, and preventing frost from being formed on inner compartments, the driving apparatus including a case and a driving module detachable to the inner side of the case, wherein the driving module includes an ice separating motor to drive the ejector, a circuit board to control an ice making process, an electro-motion member to deliver a rotational force of the ice separating motor to the ejector, and a module case to accommodate the components of the driving module. | 07-04-2013 |
20140239517 | REFRIGERATOR EQUIPPED WITH APPARATUS FOR PRODUCING CARBONATED WATER - A refrigerator is disclosed. The refrigerator includes a body, a storage chamber defined in the body while having an opened front side, a door to open or close the opened front side of the storage chamber, a water tank to store clean water, a carbonated water production module mounted to a back surface of the door, the carbonated water production module including a carbon dioxide gas cylinder stored with carbon dioxide gas, a carbonated water tank to produce carbonated water through mixing of the clean water with the carbon dioxide gas, and a module support to support a bottom of the carbonated water tank, and a water leakage sensor disposed on the module support, to sense water leakage occurring at the carbonated water production module. Through this configuration, it is possible to sense water leakage, and thus to minimize damage caused by water leakage. | 08-28-2014 |
Young Il Song, Gwangju KR
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20120180504 | ICEMAKER AND REFRIGERATOR HAVING THE SAME - A refrigerator has an icemaker that includes a partition arm extending from the outside of the ice making tray into the ice making tray, the partition arm constituting a part of an ice compartment structure to define ice making cells. When the ice making tray is rotated in a given direction, the ice making tray allows ice to be separated from the ice making cells by being twisted by the partition arm. When the ice making tray is rotated in an opposite direction, the ice making tray allows the ice still present in the ice making cells to fall from the ice making cells by interference with a rotation stopper formed at the partition arm. | 07-19-2012 |
Young Jae Song, Gwangju KR
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20130219951 | REFRIGERATOR - A structure of a suction pipe provided with a capillary tube having a spiral shape being inserted into an inside thereof, capable of easily fixing the capillary tube to the suction pipe, and a refrigerator having the same, the refrigerator including a suction pipe, and a capillary tube having a spiral portion being inserted into the inside the suction pipe, the suction pipe including a first wall making contact with the spiral portion, a second wall making contact with the spiral portion while facing the first wall, and a connecting wall configured to connect the first wall to the second wall while being spaced apart from the spiral portion. | 08-29-2013 |
20140132143 | REFRIGERATOR AND METHOD OF FABRICATING INNER DOOR THEREOF - A refrigerator includes a storage compartment, an inner door including an opening having a size corresponding to the size of the storage compartment, a plurality of door guards disposed in the opening, and an outer door that opens or closes the opening, wherein the inner door includes inner sidewalls that are disposed at both sides of the opening and are flat from an inlet of the opening to an outlet of the opening without any curve. | 05-15-2014 |
20140132144 | REFRIGERATOR - A refrigerator in which an opening having a size corresponding to the size of a refrigerator compartment is provided in a refrigerator compartment door and an outer door to open/close the opening is rotatably coupled to the refrigerator compartment door so that a plurality of door guards provided in a space corresponding to the size of the refrigerator compartment may be used by only opening/closing the outer door, and the refrigerator compartment door and the outer door may be rotated on one hinge shaft and the outer door has an auto closing structure so that the outer door may be automatically closed when a predetermined portion of the outer door is opened. | 05-15-2014 |
20140132146 | REFRIGERATOR AND METHOD OF MANUFACTURING INNER DOOR THEREOF - A refrigerator including a storage compartment, an inner door having an opening in a size corresponding to the storage compartment, a plurality of door guards provided at the opening, and an outer door to open/close the opening, the refrigerator further including a plurality of reinforcing members to prevent the inner door having the opening from being distorted. | 05-15-2014 |
Youngmin Song, Gwangju KR
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20090269010 | OPTICAL INTERCONNECTION STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an optical interconnection structure and a method for manufacturing the same. The present invention provides an optical interconnection structure comprising: a substrate on which a hole penetrating through a predetermined region is formed; and an optical guide member fixed to the inside of the hole of the substrate, wherein the optical guide member and the substrate are fixed by metal oxide. The present invention provides the optical interconnection structure that can facilitate the optical interconnection between the active optoelectronic devices that transmit/receive the optical signals and the optical waveguide, making it possible to enhance heat dissipation efficiency and improve operation speed. | 10-29-2009 |
20090289266 | REFLECTION TYPE OPTICAL SENSOR DEVICE - Provided is a reflection type optical sensor device including: a semiconductor light source being formed by providing a light emitting region on a predetermined region of a substrate; and a photo-detection element being integrated on the same substrate as the substrate where the semiconductor light source is formed to surround an outer circumferential surface of the semiconductor light source, and including a light receiving region. When the light emitted from the semiconductor light source is reflected by an external object, the photo-detection element may detect the light to sense the object. Through this, it is possible to reduce cost and ensure a small size. Also, the photo-detection element is constructed to surround the outer circumferential surface of the semiconductor light source, and thus more accurately detect the light. | 11-26-2009 |
20090290836 | OPTICAL INTERCONNECTION STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an optical interconnection structure and a method for manufacturing the same. The optical interconnection structure includes a silicon substrate on which at least one groove formed with a lens is formed to have a curvature radius on the upper surface thereof; and a silica layer that is formed on the silicon substrate including the groove formed with the lens to retain a shape of the groove formed with the lens. As a result, there are effects that the optical interconnection structure can be manufactured in great quantities by performing most of the processes using a semiconductor processing equipment and have better thermal characteristics than that of the existing PCB substrate. | 11-26-2009 |
Young Min Song, Gwangju KR
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20110092007 | Method of Fabricating Antireflective Grating Pattern and Method of Fabricating Optical Device Integrated with Antireflective Grating Pattern - A method of fabricating an antireflective grating pattern and a method of fabricating an optical device integrated with an antireflective grating pattern are provided. The method of fabricating the antireflective grating pattern includes forming a photoresist (PR) pattern on a substrate using a hologram lithography process, forming a PR lens pattern having a predetermined radius of curvature by reflowing the PR pattern, and etching the entire surface of the substrate including the PR lens pattern to form a wedge-type or parabola-type antireflective subwavelength grating (SWG) pattern having a pointed tip on a top surface of the substrate. In this method, a fabrication process is simplified, the reflection of light caused by a difference in refractive index between the air and a semiconductor material can be minimized, and the antireflective grating pattern can be easily applied to optical devices. | 04-21-2011 |
20150131691 | SILICON DBR STRUCTURE-INTEGRATED LIGHT ELEMENT, AND PREPARATION METHOD - The present invention relates to a silicon DBR structure-integrated light device, and a preparation method thereof, and more specifically, to a silicon DBR structure-integrated light device or vertical cavity light emitting diode, and a preparation method thereof, enabling preparation by a small number of layers and capable of reducing process time and costs due to a large contrast in refractive index of a silicon DBR structure formed by depositing silicon in a slanted or vertical manner. | 05-14-2015 |