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Lee, Gwangju

Beom-Chan Lee, Gwangju KR

Patent application number	Description	Published
20090195538	METHOD AND SYSTEM FOR HAPTIC INTERACTION IN AUGMENTED REALITY - The present invention relates to a method and system for haptic interaction in augmented reality. More specifically, the present invention relates to a method and system for haptic interaction in augmented reality that can effectively remove noise from real images captured by an image capturing device and minimize discontinuity of force generated in the haptic interaction so as to stably and smoothly perform the haptic interaction in the augmented reality.	08-06-2009

Bong-Jun Lee, Gwangju KR

Patent application number	Description	Published
20080296100	Elevator Panel And Elevator Car Using The Same - An elevator panel having excellent sound-absorbing and vibration-damping characteristics, and an elevator car using the same. The elevator panel includes a surface plate; a backing plate backing the surface plate; and an adhesive resin interposed between the surface plate and the backing plate to bond the surface plate and the backing plate with each other, wherein the adhesive resin has a thickness from about 0.02 mm to about 0.1 mm. Thereby, the elevator panel can reduce the cost of production, provide an external appearance equal to that of the conventional elevator panel formed of expensive metal material, and produce excellent effects of isolating and absorbing sounds such as noise from the outside.	12-04-2008
20080299387	Bonded Plate for Sink Bowl and Method of Forming the Sink Bowl Using the Same Through Pressing - A bonded plate for a sink bowl, which has excellent sound-absorbing, vibration-damping, and heat-insulating characteristics, and a method of forming the sink bowl using the same through pressing. The bonded plate includes a surface plate, a backing plate backing the surface plate, and an adhesive resin interposed between the surface plate and the backing plate and bonding the surface plate and the backing plate with each other, wherein the adhesive resin has a thickness from about 0.02 mm to about 0.1 mm. Thereby, the adhesive resin layer of the bonded plate can have sound-absorbing, vibration-damping, and dew-condensation-preventing functions. Further, the sink bowl is produced using the bonded plate, so that it can reduce the cost of production, can provide formability equal to that of the conventional sink bowl, and can produce excellent sound-absorbing, vibration-damping, and dew-condensation-preventing effects.	12-04-2008
20090038261	FIRE DOOR AND MANUFACTURING METHOD THEREOF - A fire door includes an inner plate forming an inner side of the fire door; an outer plate opposing the inner plate to form an outer side of the fire door; adhesive layers applied to opposing surfaces of the inner and outer plates; a pair of reinforcing brackets vertically attached to opposite edge portions between both of the inner and outer plates; and a sound absorbing material filled in a space defined by the inner and outer plates and the reinforcing brackets. The inner and outer plates are made of a bonded steel plate, which includes a surface sheet exposed to the inner or outer side of the fire door, a backing sheet supporting the surface sheet, and an adhesive material interposed between the surface sheet and the backing sheet and bonding the surface sheet and the backing sheet together. The fire door has excellent sound absorbing and fireproof properties.	02-12-2009

Byeong-Ha Lee, Gwangju KR

Patent application number	Description	Published
20090052849	OPTICAL FIBER PROBE FOR SIDE IMAGING AND METHOD OF MANUFACTURING THE SAME - Disclosed are an optical fiber probe for side imaging and a method of manufacturing the same. An optical fiber probe according to an aspect of the invention includes a photonic crystal fiber, and an optical fiber lens that is formed by applying heat to a predetermined region including one end of the photonic crystal fiber and substantially removing air holes formed in the predetermined region. The optical fiber lens includes a light diffusion region that diffuses light propagating along a core of the photonic crystal fiber and focuses the light to enable side imaging, a reflector surface that reflects the light at a right angle to enable side imaging, and a lens surface that focuses the light. A small-sized optical fiber probe can be manufactured using a simple manufacturing process, and the optical fiber probe can be miniaturized. Therefore, a light measurement system can be miniaturized, which makes it possible to obtain side images of a very small sample, such as a blood vessel.	02-26-2009
20090214153	IN-LINE POLARIZATION-STATE CONVERTER - The invention discloses an in-line polarization-state converter. In the polarization converter, a laser beam is radiated onto the side of a photosensitive optical fiber. The laser beam causes the refractive index of an optical fiber core to asymmetrically vary. Birefringence is induced in a core mode of the optical fiber by the variation in the asymmetrical refractive index. An optical fiber segment having the birefringence is generally disposed on a waveguide path of the optical fiber to change the polarization state of an optical signal passing through the optical fiber segment. That is, the phase of the optical signal passing through the optical fiber is changed by radiation of laser beams, which results in a variation in polarization state. The polarization converter disposed on the waveguide path is covered with a metal tube in order to prevent the polarization converter from being bent or broken. In addition, optical fiber connectors are provided at both ends of the polarization converter for easy connection.	08-27-2009
20100177372	OPTICAL IMAGE MODULATOR, OPTICAL APPARATUS INCLUDING THE SAME, AND METHODS OF MANUFACTURING AND OPERATING THE OPTICAL IMAGE MODULATOR - Disclosed are an optical image modulator, an optical apparatus including the same, and methods of manufacturing and operating the optical image modulator. The optical image modulator includes a light amount increasing unit increasing the amount of forward light emission of an electric-optical unit. The light amount increasing unit includes a first reflector reflecting light, which travels from the inside of the electric-optical unit toward the optical-electric unit, to the electric-optical unit. The light amount increasing unit may further include a second light reflector reflecting light, which passes through the optical-electric unit without optical-electric conversion, to the optical-electric unit.	07-15-2010

Chabum Lee, Gwangju KR

Cheon Lee, Gwangju KR

Patent application number	Description	Published
20080198924	METHOD OF COMPUTING DISPARITY, METHOD OF SYNTHESIZING INTERPOLATION VIEW, METHOD OF ENCODING AND DECODING MULTI-VIEW VIDEO USING THE SAME, AND ENCODER AND DECODER USING THE SAME - The invention relates to a method of computing a disparity, a method of synthesizing an interpolation view, a method of encoding and decoding multi-view video using the same, and an encoder and a decoder using the same. In particular, the invention relates to a method of computing a disparity, a method of synthesizing an interpolation view, a method of encoding and decoding multi-view video using the same, and an encoder and a decoder using the same, which can rapidly compute an initial disparity of a block using region segmentation, accurately compute a disparity of the block using a variable block, and synthesize an interpolation view on the basis of a disparity value computed in a pixel basis using an adaptive search range, thereby improving quality of the interpolation view, and also can encode and decode a multi-view video independently from an existing prediction mode while using the interpolation view as a reference picture, thereby improving coding efficiency.	08-21-2008
20090103616	METHOD AND DEVICE FOR GENERATING DEPTH IMAGE USING REFERENCE IMAGE, METHOD FOR ENCODING/DECODING DEPTH IMAGE, ENCODER OR DECODER FOR THE SAME, AND RECORDING MEDIUM RECORDING IMAGE GENERATED USING THE METHOD - The present invention relates to a method and device for generating a depth image, a method for encoding/decoding the depth image, an encoder/decoder for the same, and a recording medium recording an image generated by the method, which are related to a depth image encoding method that can effectively reduce a bit generation rate using a reference image obtained by at least one camera and improve encoding efficiency. A depth image generating method according to an embodiment of the invention includes a step (a) of obtaining a depth image at a viewpoint and setting the obtained depth image to a reference image; a step (b) of applying a 3D warphing method to the reference image and predicting and generating a depth image at a specific viewpoint; and a step (c) of removing a hole that exists in the predicted and generated depth image.	04-23-2009

Chil Woo Lee, Gwangju KR

Patent application number	Description	Published
20090154769	Moving robot and moving object detecting method and medium thereof - A moving robot and moving object detecting method and medium thereof is disclosed. The moving object detecting method includes transforming an omni-directional image captured in the moving robot to a panoramic image, comparing the panoramic image with a previous panoramic image and estimating a movement region of the moving object based on the comparison, and recognizing that a movement of the moving object exist in the estimated movement region when the area of the estimated movement region exceeds the reference area.	06-18-2009
20110130123	Method for Providing Hypertext Links in Mobile Terminal - There are provided a method for managing and searching information in a mobile terminal and methodology for constructing the method. The method comprises: when a text is provided, preprocessing the provided text; extracting anchor text candidates in the preprocessed text; calculating relatedness between terms; determining ranking based on the relatedness using context information; and constructing a hypertext system for providing hypertext links to the provided text based on the ranking. Accordingly, there is provided a method for providing hypertext links in a mobile terminal, which provides information management and search function using the hypertext links, so that information in the mobile terminal can be constructed by the hypertext links, thereby promoting user's convenience.	06-02-2011

Choon Jae Lee, Gwangju KR

Patent application number	Description	Published
20080201660	METHOD FOR SETTING IMAGE IN TERMINAL AND TERMINAL USING THE SAME - A method for setting an image in a terminal and a terminal using the same are disclosed. The image setting method includes according to an embodiment displaying a list of one or more files settable as an image of the second display, on the first display; moving an indicator to indicate one of the one or more files on the displayed list; and displaying data contained in the indicated one file, on the second display.	08-21-2008
20110022958	MOBILE TERMINAL AND METHOD FOR CONTROLLING THEREOF - The present invention relates to a mobile terminal, which displays at least one graphic user interface (hereinafter abbreviated GUI) on a standby picture. The present invention includes a display unit configured to display a plurality of graphic user interfaces and a controller, when a state of a specific one of a plurality of the graphic user interfaces is changed, the controller controlling at least one of a display type, a applied visual effect, a play content and an arranged position of at least one of the rest of the graphic user interfaces except the specific graphic user interface to be changed to correspond to the changed state, wherein the arranged position indicates a position of the corresponding graphic user interface displayed on the display unit.	01-27-2011
20110128241	MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal and controlling method thereof are disclosed, by which a terminal can be used in further consideration of user's convenience. The present invention includes displaying at least one object on a display unit of a touchscreen type provided to a front side of a housing of a bar type, if a first touch gesture is performed on the object, enabling the object to move from the main display unit via a first subdisplay unit provided to one lateral side of the housing to a second subdisplay unit of the touchscreen type provided to a backside of the housing, and if a second touch gesture is performed on the object displayed on the second subdisplay unit, enabling the object to move to the main display unit via the first subdisplay unit from the second subdisplay unit. Accordingly, when a touchscreen is attached to at least two sides of a mobile terminal, a terminal user is facilitated to use the mobile terminal in a manner of utilizing how to display the touchscreen provided to the at least two sides.	06-02-2011

Dae-Jung Lee, Gwangju KR

Patent application number	Description	Published
20080247154	Refrigerator - A refrigerator includes: a main body cabinet forming a storing compartment which has a front opening formed with a predetermined height and width; and a plurality of illumination units disposed along an inner circumference of the main body cabinet and adjacent to the front opening; each illumination unit comprising a light source which has a predetermined light directivity angle θ, and each light source of the plurality of illumination units is disposed not to be superposed with each other.	10-09-2008

Dae-Sung Lee, Gwangju KR

Patent application number	Description	Published
20100243193	CASTING ROLL OF TWIN ROLL TYPE STRIP CASTER AND SURFACE TREATMENT METHOD THEREOF - The present invention provides a casting roll of a twin-roll strip caster, including: a nickel plating layer formed on an outer circumferential surface and an end surface of the casting roll; a nickel-boron alloy plating layer formed on the nickel plating layer located on the end surface of the casting roll; and a hard plating layer formed on the nickel plating layer located on the outer circumferential surface of the casting roll and an outer circumferential surface of the nickel-boron alloy plating layer located on the end surface of the casting roll. The present invention improves durability of the casting roll.	09-30-2010

Dong Ju Lee, Gwangju KR

Dongsoo Lee, Gwangju KR

Patent application number	Description	Published
20090095911	APPARATUS FOR MEASURING FLUORESCENCE LIFETIME - Disclosed is an apparatus for measuring a fluorescence lifetime. The apparatus for measuring the fluorescence lifetime comprises an excitation light generator that generates excitation light to be irradiated on a sample including fluorescence molecules; a fluorescence photon collecting unit that collects a plurality of fluorescence photons generated by irradiating the excitation light on the sample; a light sensor that converts the collected fluorescence photons into a fluorescence electrical signal; and a fluorescence lifetime signal processor that determines the fluorescence lifetime by calculating the average time of the fluorescence electrical signal with respect to a predetermined apparatus delay time. According to the above configuration, the present invention can accurately and precisely measure a fluorescence lifetime in a short measurement time by easy calculation.	04-16-2009
20110058810	OPTICAL NETWORK UNIT (ONU) AND METHOD OF OPERATING THE ONU - Provided is an Optical Network Unit (ONU) and a method of operating the ONU. The ONU may include: a measurement unit to measure a downstream optical signal strength of downstream data received from an Optical Line Termination (OLT) via an optical splitter; a determination unit to determine an upstream optical signal strength based on the measured downstream optical signal strength; and a communication unit to transmit, to the OLT via the optical splitter, upstream data generated based on the determined upstream optical signal strength.	03-10-2011
20110099545	METHOD AND APPARATUS FOR SIMULTANEOUSLY UPDATING SOFTWARE INSTALLED IN TERMINALS IN COMMUNICATION SYSTEM - Provided is a method of controlling a server to simultaneously update software installed in a plurality of terminals in a communication system, the method including: receiving an update message from each of the terminals; determining a size of a transmission window based on the update message; processing an image of software to be transmitted to the plurality of terminals, based on the size of the transmission window; and transmitting the image of software to the plurality of terminals.	04-28-2011
20110103382	METHOD AND APPARATUS FOR FILTERING MULTICAST PORT IDENTIFIER IN GIGABIT-CAPABLE PASSIVE OPTICAL NETWORK (GPON) SYSTEM - Provided is an apparatus for filtering a multicast port identifier, the apparatus including: a processor to receive an Internet Group Management Protocol (IGMP) message from a switching unit, to verify a traffic reception request received from a subscriber terminal based on the IGMP message, and to store a value in a filtering register based on the traffic reception request; and an Optical Network Unit (ONU) Media Access Control (MAC) manager to filter a packet to be forwarded to the subscriber terminal, using a port identifier for traffic forwarding and reception with the subscriber terminal, and using the value of the filtering register indicating an existence of traffic to be forwarded to the subscriber terminal.	05-05-2011
20110129223	APPARATUS AND METHOD FOR ALLOCATING DYNAMIC BANDWIDTH - A dynamic bandwidth allocation apparatus of a passive optical network detects guarantee agreement information of each transmission container (T-CONT) queue of at least one optical network unit (ONU) that is connected to the dynamic bandwidth allocation apparatus in order to dynamically allocate a bandwidth is provided. The dynamic bandwidth allocation apparatus sets a queue threshold according to a buffer size of each T-CONT queue of at least one ONU, and calculates a service level agreement (SLA) parameter of at least one ONU using guarantee agreement information and a queue threshold. The dynamic bandwidth allocation apparatus allocates a bandwidth for every frame of each ONU using each SLA parameter of at least one ONU.	06-02-2011

Eun-Hee Lee, Gwangju KR

Patent application number	Description	Published
20100299767	TREM-2 GENE AND PROTEIN AS INHIBITORS OF EXPRESSION OF GA733-2, AND TRANSGENIC ANIMALS COMPRISING THE SAME AND USES THEREOF - Disclosed are a composition for inhibiting the expression of GA733-2 or for detecting GA733-2, which comprises TREM-2 gene or protein, a transgenic animal containing same, and a method using the same.	11-25-2010

Eun-Kyung Lee, Gwangju KR

Patent application number	Description	Published
20100309292	METHOD AND APPARATUS FOR GENERATING MULTI-VIEWPOINT DEPTH MAP, METHOD FOR GENERATING DISPARITY OF MULTI-VIEWPOINT IMAGE - There are provided a method and an apparatus for generating a multi-viewpoint depth map, and a method for generating a disparity of a multi-viewpoint image. A method for generating a multi-viewpoint depth map according to the present invention includes the steps of: (a) acquiring a multi-viewpoint image constituted by a plurality of images by using a plurality of cameras (b) acquiring an image and depth information by using a depth camera; (c) estimating coordinates of the same point in a space in the plurality of images by using the acquired depth information; (d) determining disparities in the plurality of images with respect to in the same point by searching a predetermined region around the estimated coordinates; and (e) generating a multi-viewpoint depth map by using the determined disparities. According to the above-mentioned present invention, it is possible to generate a multi-viewpoint depth map within a shorter time and generate a multi-viewpoint depth map having higher quality than a multi-viewpoint depth map generated by using known stereo matching.	12-09-2010

Guee-Sang Lee, Gwangju KR

Patent application number	Description	Published
20090147841	DISTRIBUTED VIDEO CODING APPARATUS AND METHOD CAPABLE OF CONTROLLING ENCODING RATE - There are provided a distributed video coding apparatus and method capable of controlling an encoding rate, the apparatus including: an intra-frame encoder encoding a key frame and outputting a bit stream of the encoded key frame; an encoder rate control (ERC) module calculating a bit rate according to motion complexity of a present Wyner-Ziv (WZ) frame by using a correlation between the motion complexity and the bit rate; and a turbo encoder encoding the present WZ frame by the bit rate calculated at the ERC module and outputting the encoded WZ bit stream.	06-11-2009
20110063468	METHOD AND APPARATUS FOR RETRIEVING LABEL - Disclosed is a method for retrieving a label in a portable terminal. The method includes obtaining a label image photographed through a camera, extracting characters included in the label image and recognizing the extracted characters, detecting at least one label including the recognized character from a label database including multiple labels and information on the multiple labels and constituting a preliminary label candidate group including said at least one label, detecting an image characteristic of the label image, detecting at least one label having an image characteristic, which is similar with the detected image characteristic, from the preliminary label candidate group, and constituting a final label candidate group, and providing each of said at least one label included in the final label candidate group and detailed information corresponding to each of said at least one label.	03-17-2011

Hae-Sik Lee, Gwangju KR

Patent application number	Description	Published
20080296100	Elevator Panel And Elevator Car Using The Same - An elevator panel having excellent sound-absorbing and vibration-damping characteristics, and an elevator car using the same. The elevator panel includes a surface plate; a backing plate backing the surface plate; and an adhesive resin interposed between the surface plate and the backing plate to bond the surface plate and the backing plate with each other, wherein the adhesive resin has a thickness from about 0.02 mm to about 0.1 mm. Thereby, the elevator panel can reduce the cost of production, provide an external appearance equal to that of the conventional elevator panel formed of expensive metal material, and produce excellent effects of isolating and absorbing sounds such as noise from the outside.	12-04-2008
20080299387	Bonded Plate for Sink Bowl and Method of Forming the Sink Bowl Using the Same Through Pressing - A bonded plate for a sink bowl, which has excellent sound-absorbing, vibration-damping, and heat-insulating characteristics, and a method of forming the sink bowl using the same through pressing. The bonded plate includes a surface plate, a backing plate backing the surface plate, and an adhesive resin interposed between the surface plate and the backing plate and bonding the surface plate and the backing plate with each other, wherein the adhesive resin has a thickness from about 0.02 mm to about 0.1 mm. Thereby, the adhesive resin layer of the bonded plate can have sound-absorbing, vibration-damping, and dew-condensation-preventing functions. Further, the sink bowl is produced using the bonded plate, so that it can reduce the cost of production, can provide formability equal to that of the conventional sink bowl, and can produce excellent sound-absorbing, vibration-damping, and dew-condensation-preventing effects.	12-04-2008
20090038261	FIRE DOOR AND MANUFACTURING METHOD THEREOF - A fire door includes an inner plate forming an inner side of the fire door; an outer plate opposing the inner plate to form an outer side of the fire door; adhesive layers applied to opposing surfaces of the inner and outer plates; a pair of reinforcing brackets vertically attached to opposite edge portions between both of the inner and outer plates; and a sound absorbing material filled in a space defined by the inner and outer plates and the reinforcing brackets. The inner and outer plates are made of a bonded steel plate, which includes a surface sheet exposed to the inner or outer side of the fire door, a backing sheet supporting the surface sheet, and an adhesive material interposed between the surface sheet and the backing sheet and bonding the surface sheet and the backing sheet together. The fire door has excellent sound absorbing and fireproof properties.	02-12-2009

Hak Bong Lee, Gwangju KR

Patent application number	Description	Published
20100313912	CLEANING APPARATUS AND DUST COLLECTING METHOD USING THE SAME - A cleaning apparatus and a dust collecting method using the same are provided. The cleaning apparatus includes a body, a brush unit rotatably provided at the body, a dust collecting unit to store contaminants, such as dust, swept by the brush unit, and a blowing unit to suction contaminants, such as dust, scattered by the brush unit and to move the suctioned contaminants to the dust collecting unit.	12-16-2010

Hong Bum Lee, Gwangju KR

Patent application number	Description	Published
20090155094	COOLING FAN CLUTCH - A disk-shaped cover has a first toothed portion at one surface thereof. A housing is coupled with the cover such that a space is defined therebetween. The housing has a second toothed portion at one surface thereof, facing the first toothed portion. A shaft is rotatably disposed through a middle portion of the housing. A fan is fixedly connected to the housing and rotatable with the housing. A rotor is mounted in the space between the cover and the housing, engaged with and rotatable with the shaft, with third and fourth toothed portions at both surfaces thereof, engaged with the first and second toothed portions, respectively. An operation unit controls an amount of fluid supplied to the space between the cover and the housing to control a frictional force generated between the rotor, the housing, and the cover. A control unit controls the operation unit based on a coolant temperature.	06-18-2009

Hyung Jong Lee, Gwangju KR

Patent application number	Description	Published
20100135619	Optical Module and Fabrication Method of the Same - Disclosed is an optical module comprising, an optical waveguide on the upper side of a substrate; a cutout with at least two slant surfaces, passing at least the core of the optical waveguide; and a film-filter above the cutout. Constructions of bi-directional multi-wavelength optical transmitter-receiver assembly using the optical module as a unit element are also provided in variety on a planar substrate. According to this invention, a bi-directional multi-wavelength transmitter-receiver, which is compact, reliable, excellent in the optical performance and simple in the alignments between the composing elements, can be produced.	06-03-2010

In Jeong Lee, Gwangju KR

Patent application number	Description	Published
20100134621	MULTI-AREA MONITORING SYSTEM FROM SINGLE CCTV HAVING A CAMERA QUADRATIC CURVED SURFACE MIRROR STRUCTURE AND IT, AND UNWRAPPING METHOD FOR THE SAME - There is provided a camera secondary curved mirror structure which is manufactured by removing a predetermined portion of a circular curved mirror for a camera which is equidistant by a predetermined distance of m/R from each side of a line which passes through the center-point of the circular curved mirror in a vertical direction, to result two curved mirror members; jointing the two curve mirror members together to form a joint line; establishing a cutting line which is perpendicular to the joint line and which is at a predetermined distance n/D from a point where the joint line intersects the circumference of the curved mirror members; and cutting along the cutting line so that a lower portion of the jointed curved mirror members results, to form a curved mirror.	06-03-2010

Jae-Suk Lee, Gwangju KR

Patent application number	Description	Published
20090203861	ANIONIC POLYMERIZATION METHOD FOR STYRENE DERIVATIVE CONTAINING PYRIDINE AS FUNCTIONAL GROUP - An anionic polymerization method for styrene derivative containing pyridine as functional group is provided. The method includes forming a complex of (vinylphenyl)-pyridine and lithium chloride and performing anionic polymerization. Accordingly, a polymer of styrene derivative containing pyridine can be obtained. The polymer has excellent optical properties, and its molecular weight and molecular weight distribution can be controlled.	08-13-2009
20090233146	SULFONATED POLY(ARYLENE ETHER) HAVING CROSSLINKABLE MOIETY COMBINED IN CHAIN OF POLYMER, SULFONATED POLY(ARYLENE ETHER) HAVING CROSSLINKABLE MOIETIES COMBINED IN POLYMER AND AT POLYMER END GROUP, AND POLYMER ELECTROLYTE MEMBRANE USING SULFONATED POLY(ARYLENE ETHER) - A sulfonated poly(arylene ether) copolymer that has a crosslinking structure in a chain of a polymer, a sulfonated poly(arylene ether) copolymer that has a crosslinking structure in and at an end of a chain of a polymer, and a polymer electrolyte film that is formed by using them are disclosed. According to the polycondensation reaction of the sulfonated dihydroxy monomer (HO—SAr1-OH), the none sulfonated dihydroxy monomer (HO—Ar—OH), the crosslinkable dihalide monomer (X—CM-X) and the none sulfonated dihalide monomer (X—Ar—X), the poly(arylene ether) copolymer in which the sulfonic acid is included is synthesized. The formed poly(arylene ether) copolymer has the crosslinkable structure in the chain of the polymer. In addition, by carrying out the polycondensation reaction in respects to the crosslinkable monohydroxy monomer or the crosslinkable monohalide monomer, the crosslinking can be formed at the end of the polymer. Through this, the thermal stability, the mechanical stability, the chemical stability, the film formation ability and the like is the same as or better than those of the Nafion film that is currently commercialized and is used as the polymer electrolyte film, and the proton conductivity and the cell performance are excessively improved. In addition, even though it is exposed to the moisture over a long period of time, since there is no change in the property of the electrolyte film, the dimensional stability is high.	09-17-2009
20100168346	Sulfonated Poly (Arylene Ether) Containing Crosslinkable Moiety at End Group, Method of Manufacturing the Same, and Polymer Electrolyte Membrane Using the Sulfonated Poly (Arylene Ether) and the Method - A sulfonated polyUrylene ether) copolymer, a method of preparing the same, and a polymer electrolyte membrane using the sulfonated poly(arylene ether) copolymer are provided. A sulfonated poly(arylene ether) copolymer containing a sulfonic acid is synthesized by poly condensing a dihydroxy monomer having a sulfonate group with a dihalide monomer, or by polycondensing a dihalide monomer having a sulfonate group with a dihydroxy monomer. Moreover, a crosslinkable dihydroxy monomer or a crosslinkable dihalide monomer is polycondensed with the obtained poly(arylene ether) copolymer, thus enable crosslinking between polymers. A polymer electrolyte membrane for a fuel cell formed using a poly(arylene ether) copolymer containing a crosslinkable moiety maintains the equivalent or superior levels to existing sulfonated poly(arylene ether) polymer or the Nafion membrane commercially available at present in terms of thermal stability, mechanical stability, chemical properties, film formability, and the like, and shows considerably improved proton conductivity and cell performances.	07-01-2010

Jee-Bum Lee, Gwangju KR

Patent application number	Description	Published
20090176881	Unsaturated Alkyl Esters of 5-Aminolevulinic Acid, their Preparation and their Use - Disclosed are unsaturated alkyl esters of 5-aminovulinic acid of the following chemical formula 1, or pharmaceutically acceptable salts thereof, a method for preparing the same, and uses thereof. [Chemical Formula I] NH	07-09-2009

Jeong Yun Lee, Gwangju KR

Patent application number	Description	Published
20110094075	METHOD FOR FORMING A CAPACITOR MODULE CIRCUIT IN AN INVERTER USING IMPEDANCE MATCHING - The present invention is directed to methods for forming an inverter circuit for operating a drive motor of an electric vehicle, which can more effectively reduce the switching noise generated by a power module during the operation of an inverter.	04-28-2011

Jin-Yi Lee, Gwangju KR

Patent application number	Description	Published
20100042336	MAGNETIC SENSOR ARRAY AND APPARATUS FOR DETECTING DEFECT USING THE MAGNETIC SENSOR ARRAY - If surface defects, near surface defects, or internal defects of a ferromagnetic substance object, a paramagnetic substance object, or a mixture object of ferromagnetic and paramagnetic substances are not quantitatively analyzed, the detected results can be differently analyzed depending on the knowledge or skill of an inspector. A defect detection apparatus according to an exemplary embodiment of the present invention includes an induced current applier, a magneto-electric converter, a signal processor, a signal converter, and a data processor. The induced current applier applies a line or surface current to an object that is to be measured by using an alternating current (AC) having a frequency varying depending on a depth to be measured. The magneto-electric converter senses a magnetic field generated from the object by the Hn e or surface current and generates a magnetic field sensing signal corresponding to a strength of the sensed magnetic field. The signal processor filters and amplifies the magnetic field sensing signal and outputs a signal corresponding to amplitude of the filtered and amplified signal. The signal converter converts the signal output from the signal processor into a digital signal. The data processor quantitatively converts an intensity of a magnetic field generated from the object into a numerical value based on the digital signal output from the signal converter.	02-18-2010

Jong Dal Lee, Gwangju KR

Patent application number	Description	Published
20090293533	Refrigerator - A refrigerator includes an ice maker disposed at one side of a storage chamber for storing food, a folding shelf disposed at the ice maker to be folded in a vertical direction or unfolded in a horizontal direction to efficiently use a space formed on the side of the ice maker, a shelf supporting member fixed to the ice maker to rotatably support the folding shelf, and a locking part disposed at the shelf supporting member to support the folding shelf when the folding shelf is unfolded to be arranged in a horizontal direction. When the folding shelf disposed in the storage chamber is folded in a vertical direction, there is formed a space capable of storing containers or food products having a great height. When the folding shelf is unfolded in a horizontal direction, containers or food products having a small height may be put on the folding shelf. Thus, a storage space of the refrigerator may be more efficiently used.	12-03-2009
20110050065	AUTOMATIC DOOR OPENING/CLOSING APPARATUS AND REFRIGERATOR HAVING THE SAME - Disclosed herein are an automatic door opening/closing apparatus to automatically open or close a door without applying any manual force to the door, and a refrigerator having the same. The automatic door opening/closing apparatus devised to automatically open or close a sliding door that is mounted, in a drawer manner, to a refrigerator body, includes a drive device coupled to the sliding door to automatically open or close the sliding door with respect to the refrigerator body, an input part to receive an user input and to operate the drive device based on the user input, a sensing part to sense an open or closed state of the sliding door, and a controller to operate the drive device based on signals from the input part and signals from the sensing part.	03-03-2011

Jong Hyun Lee, Gwangju KR

Patent application number	Description	Published
20100009514	METHOD OF FABRICATING MICRO-VERTICAL STRUCTURE - A method of fabricating a micro-vertical structure is provided. The method includes bonding a second crystalline silicon (Si) substrate onto a first crystalline Si substrate by interposing an insulating layer pattern and a cavity, etching the second crystalline Si substrate using a deep reactive ion etch (DRIE) process along a [111] crystal plane vertical to the second crystalline Si substrate, and etching an etched vertical surface of the second crystalline Si substrate using a crystalline wet etching process to improve the surface roughness and flatness of the etched vertical surface. As a result, no morphological defects occur on the etched vertical surface. Also, footings do not occur at an etch end-point due to the insulating layer pattern. In addition, the micro-vertical structure does not float in the air but is fixed to the first crystalline Si substrate, thereby facilitating subsequent processes.	01-14-2010

Jong-Yeop Lee, Gwangju KR

Patent application number	Description	Published
20100272197	OFDM SYSTEM AND DATA TRANSMISSION METHOD THEREFOR - An OFDM system includes a frequency-time transformer configured to receive and transform input data to be transmitted to a time-domain sequence; a serial/parallel transformer configured to divide the time-domain sequence into plural sequences; a phase rotating module configured to perform phase rotation in respects to each of the divided time-domain sequences; and a minimum PAPR signal selector configured to select a sequence having a minimum peak-to-average power ratio (PAPR) among the sequences outputted from the phase rotating module.	10-28-2010

Jo Young Lee, Gwangju KR

Patent application number	Description	Published
20090057692	SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a semiconductor light emitting device and a method for manufacturing the same. The semiconductor light emitting device comprises: a first semiconductor layer; a light emitting structure on one sided portion of the first semiconductor layer; a protection device structure on the other sided portion of the first semiconductor layer; and a first electrode layer on the protection device structure.	03-05-2009
20090140281	SEMICONDUCTOR LIGHT EMITTING DEVICE AND A METHOD OF MANUFACTURING THE SAME - Disclosed is a semiconductor light emitting device comprising a seed layer, a first conductive semiconductor layer into which the seed layer is partially inserted, a first electrode electrically connected to the first conductive semiconductor layer, an active layer under the first conductive semiconductor layer, a second conductive semiconductor layer under the active layer, and a second electrode layer under the second conductive semiconductor layer.	06-04-2009

Jung Sun Lee, Gwangju KR

Patent application number	Description	Published
20080284758	LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display and a method of driving the same. The liquid crystal display includes a liquid crystal display panel having a plurality of gate lines and a plurality of data lines formed on a substrate to cross each other, and a plurality of pixels respectively connected to the plurality of gate lines and the plurality of data lines; a data driving unit for outputting data signals through a plurality of channel terminals; and a line selection unit for applying the data signals to alternately arranged first data line blocks having data lines arranged adjacent to one side of corresponding pixels and second data line blocks having data lines arranged adjacent to the other side of corresponding pixels.	11-20-2008

Keun-Ho Lee, Gwangju KR

Patent application number	Description	Published
20110161008	LAND SETTLEMENT MEASURING APPARATUS AND SYSTEM - Provided are a land settlement measuring apparatus and a land settlement measuring system. The land settlement measuring apparatus includes a magnetic field detection unit, a microprocessor, and a containing unit. The magnetic field detection unit includes a plurality of magnetic field detection sensors that are separated from each other in a predetermined interval. The microprocessor calculates a differential settlement amount based on a magnetic field detection signal transmitted from the magnetic field detection unit, in the case where a change in the magnetic field is detected by the sensor. The containing unit contains the magnetic field detection unit and the microprocessor. The land settlement measuring system includes a magnetic field generation unit, a land settlement measuring apparatus, and a data logger. The magnetic field generation unit is disposed at a predetermined position of a ground to be adjacent to a hole which is perforated down to an unmovable layer. The land settlement measuring apparatus passes through the hole so that the one end thereof is fixed to the unmovable layer, the land settlement measuring apparatus measuring a differential settlement amount according to a change in the position of the magnetic field generation unit. The data logger stores a result of the measurement transmitted from the land settlement measuring apparatus. According to the configuration, it is possible to collectively measure a differential settlement amount of a surface of a settling layer and a differential settlement amount of the settling layer in one system and to obtain a more accurate value of the measurement.	06-30-2011

Kug-Seung Lee, Gwangju KR

Patent application number	Description	Published
20110104588	METHOD OF PREPARING NANO-SIZED CATALYST ON CARBON SUPPORT - The present invention provides a method of synthesizing a nano-sized transition metal catalyst on a carbon support, including dissolving a stabilizer in ethanol thus preparing a mixture solution, adding a support to the mixture solution thus preparing a dispersion solution, dissolving a transition metal precursor in ethanol thus preparing a precursor solution, mixing the precursor solution with the dispersion solution with stirring, and then performing reduction, thus preparing the nano-sized transition metal catalyst. This method enables the synthesis of transition metal nanoparticles supported on carbon powder having a narrow particle size distribution and a wide degree of dispersion through a simple process, and is thus usefully applied to the formation of an electrode material or the like of a fuel cell.	05-05-2011

Kwang Cheol Lee, Gwangju KR

Patent application number	Description	Published
20080316741	LIGHT EMITTING APPARATUS AND SURFACE LIGHT SOURCE APPARATUS HAVING THE SAME - Provided are a light emitting apparatus and a surface light source apparatus having the same. The light emitting apparatus comprises a package body, a first color light emitting part in a first cavity of the package body, and a second color light emitting part in a second cavity of the package body. The package body comprises a plurality of cavities.	12-25-2008
20090001392	LIGHT EMITTING DEVICE - A light emitting device is provided. The light emitting device comprises: a package body comprising a multilayer cavity; a first light emitting part comprising a first light emitting device in a first cavity of a first layer area of the multilayer cavity; and a second light emitting part comprising a second light emitting device in a second cavity of a second layer area higher than the first layer area.	01-01-2009
20100012967	SEMICONDUCTOR LIGHT EMITTING DEVICE PACKAGE - A semiconductor light emitting device package according to an embodiment comprising: a package body comprising a groove section; an electrode in the groove section; at least one semiconductor light emitting device electrically connected to the electrode in the groove section of the package body; an interconnection pattern on an outer peripheral surface of the package body and electrically connected to the electrode, wherein a part of the interconnection pattern is on a bottom surface of the package body; and a metal pattern is on the bottom surface of the package body corresponding to an area in which the semiconductor light emitting device is located.	01-21-2010
20100283079	SEMICONDUCTOR LIGHT EMITTING DEVICE PACKAGE - A semiconductor light emitting device package including a main body including a supporting member and an outside member on the supporting member; at least one semiconductor light emitting device disposed on the supporting member in which the outside member at least partially surrounds the at least one semiconductor light emitting device; first and second electrodes, at least one electrode of the first and second electrodes at least partially extending under the at least one semiconductor light emitting device; a metallic member disposed under the at least one semiconductor light emitting device and extending beyond outside edges of the at least one semiconductor light emitting device; a first molding part surrounded by the outside member and covering the at least one semiconductor light emitting device; and a second molding part disposed on the first molding part, the second molding part formed in a domed shape. Further, the first and second electrodes also extend to a bottom surface of the supporting member.	11-11-2010

Kwan Heng Lee, Gwangju KR

Patent application number	Description	Published
20100033721	SYSTEM AND METHOD FOR MEASURING REFLECTANCE OF OBJECT - There are disclosed a system and a method for measuring reflectance of an object. The system for measuring reflectance of an object according to the present invention includes: a light source unit including a light source irradiating light to the object; a light source position adjusting unit that adjusts a position and a direction of the light source unit; a light receiving unit that acquires image data by detecting light reflected on the object; and a reflectance acquiring unit that acquires the reflectance of the object from the image data. According to the present invention, it is possible to more precisely acquire the reflectance of the object within a shorter time.	02-11-2010

Kwan-Soo Lee, Gwangju KR

Patent application number	Description	Published
20090233146	SULFONATED POLY(ARYLENE ETHER) HAVING CROSSLINKABLE MOIETY COMBINED IN CHAIN OF POLYMER, SULFONATED POLY(ARYLENE ETHER) HAVING CROSSLINKABLE MOIETIES COMBINED IN POLYMER AND AT POLYMER END GROUP, AND POLYMER ELECTROLYTE MEMBRANE USING SULFONATED POLY(ARYLENE ETHER) - A sulfonated poly(arylene ether) copolymer that has a crosslinking structure in a chain of a polymer, a sulfonated poly(arylene ether) copolymer that has a crosslinking structure in and at an end of a chain of a polymer, and a polymer electrolyte film that is formed by using them are disclosed. According to the polycondensation reaction of the sulfonated dihydroxy monomer (HO—SAr1-OH), the none sulfonated dihydroxy monomer (HO—Ar—OH), the crosslinkable dihalide monomer (X—CM-X) and the none sulfonated dihalide monomer (X—Ar—X), the poly(arylene ether) copolymer in which the sulfonic acid is included is synthesized. The formed poly(arylene ether) copolymer has the crosslinkable structure in the chain of the polymer. In addition, by carrying out the polycondensation reaction in respects to the crosslinkable monohydroxy monomer or the crosslinkable monohalide monomer, the crosslinking can be formed at the end of the polymer. Through this, the thermal stability, the mechanical stability, the chemical stability, the film formation ability and the like is the same as or better than those of the Nafion film that is currently commercialized and is used as the polymer electrolyte film, and the proton conductivity and the cell performance are excessively improved. In addition, even though it is exposed to the moisture over a long period of time, since there is no change in the property of the electrolyte film, the dimensional stability is high.	09-17-2009
20100168346	Sulfonated Poly (Arylene Ether) Containing Crosslinkable Moiety at End Group, Method of Manufacturing the Same, and Polymer Electrolyte Membrane Using the Sulfonated Poly (Arylene Ether) and the Method - A sulfonated polyUrylene ether) copolymer, a method of preparing the same, and a polymer electrolyte membrane using the sulfonated poly(arylene ether) copolymer are provided. A sulfonated poly(arylene ether) copolymer containing a sulfonic acid is synthesized by poly condensing a dihydroxy monomer having a sulfonate group with a dihalide monomer, or by polycondensing a dihalide monomer having a sulfonate group with a dihydroxy monomer. Moreover, a crosslinkable dihydroxy monomer or a crosslinkable dihalide monomer is polycondensed with the obtained poly(arylene ether) copolymer, thus enable crosslinking between polymers. A polymer electrolyte membrane for a fuel cell formed using a poly(arylene ether) copolymer containing a crosslinkable moiety maintains the equivalent or superior levels to existing sulfonated poly(arylene ether) polymer or the Nafion membrane commercially available at present in terms of thermal stability, mechanical stability, chemical properties, film formability, and the like, and shows considerably improved proton conductivity and cell performances.	07-01-2010

Kye Jeong Lee, Gwangju KR

Patent application number	Description	Published
20100038169	COMPOSITE MATERIALS FOR ABSORBING SOUND MADE FROM POLYESTER OF HIGH DENSITY AND METHOD FOR PREPARATION THEREOF - A high-density sound-absorbing composite material is made from polyester. The sound-absorbing composite material is comprised of a porous sound-absorbing base material which is based on composite polyester fiber materials and having a density of from 150 kg/D to 350 kg/D and a synthetic resin sheet that is attached to one side of the base material. In addition, an apparatus is provided for producing a high-density sound-absorbing composite material made from polyester, wherein by using the apparatus, a synthetic resin sheet is adhered to the high-density and porous sound-absorbing base material which is based on composite polyester fiber materials. The apparatus is characterized by mechanisms for: (1) inserting sound-absorbing base materials between on a flat working board and under the sheet while the revolution speed of a supporting roller on which the sheet is wound is being controlled, (2) fixing both corners of the sheet by pulling them to make the sheet align with the edge of the sound-absorbing base material, and (3) adhering the sheet tightly to the sound-absorbing base material by rotational motion of the roller. As a result, by blocking air flow through a wall face while maintaining porosity for soundproofing (sound-absorbing) effect of a sound-absorbing plate, an adsorption by dust, etc. can be prevented.	02-18-2010

Kyoo-Young Lee, Gwangju KR

Patent application number	Description	Published
20080295923	Carbon Steel Sheet Superior in Formability and Manufacturing Method Thereof - A carbon steel sheet having high formability due to a microscopic and uniform carbide distribution and having a good characteristic of final heat treatment, and a manufacturing method thereof. The carbon steel sheet having excellent formability, includes, in wt %, C at 0.2-0.5%, Mn at 0.1-1.2%, Si at less than or equal to 0.4%, Cr at less than or equal to 0.5%, Al at 0.01-0.1%, S at less than or equal to 0.012%, Ti at less than or equal to 0.5×48/14×[N]% when the condition of B(atomic %)/N(atomic %)>1 is satisfied or by 0.5×48/14×[N]% to 0.03% when the condition of B and N is not satisfied, B at 0.0005-0.0080%, N at less than or equal to 0.006%, Fe, and extra inevitable elements; an average size of carbide is less than or equal to 1 μm; and an average grain size of ferrite is less than or equal to 5 μm.	12-04-2008

Kyu-Hyeong Lee, Gwangju KR

Patent application number	Description	Published
20100178552	BATTERY CASE COVER - Provided is a battery case cover which can be produced through a single process, by integrally forming the structural components of a battery case cover such as a recovering part, a cell partition part and a gas inlet part on the bottom surface, while forming the recovering part in the shape of a pipe and applying a vent cap mode to the gas inlet part.	07-15-2010

Kyungho Lee, Gwangju KR

Patent application number	Description	Published
20090003986	Pump and Pumping System Utilizing the Same - Provided are a pumping device and a pumping system utilizing the same. The pumping system includes: a tower, installed at a water intake place, having an internal space section and a water-bearing section disposed on the internal space section; an outlet pipe connecting the water-bearing section and a reservoir installed on land; an intake pipe which communicates with the internal space section, extends to the water intake place from a lower portion of the tower, and has an upward folded end, a hood being installed at the upward folded end; and a pumping device, installed in the tower, pumping water entered into the internal space section via the intake pipe to the water-bearing section and including: a rotary shaft vertically installed in the tower; a rotor including a screw pumping unit and a centrifugal pumping unit disposed on the screw pumping unit, the screw pumping unit including an inner body installed slidably along the rotary shaft and having a shaft bearing and a buoyancy space, an outer body separated from the inner body by a predetermined distance to surround the inner body, and a plurality of wings installed between the inner body and the outer body to form a spiral pumping passage, and the centrifugal pumping unit radially ejecting water pumped by the screw pumping unit under a centrifugal force; and a driver installed in the tower to drive the rotor.	01-01-2009

Kyung No Lee, Gwangju KR

Patent application number	Description	Published
20100173756	EXERCISE EQUIPMENT FOR JUMPING ROPE - Provided is an exercise apparatus for a jump rope which is adapted to exert the exercise of jump rope without using an actual jump rope and which allows an exerciser to perform running as well as the exercise of jumping rope. The exercise apparatus includes a rotary belt unit including first and second rotary shafts rotatably mounted to a body frame to be spaced apart from each other, a first driver rotating about the first rotary shaft, and a belt configured to perform an endless track motion along the first and second rotary shafts; a base frame supporting the body frame such that a cord connecting the first rotary shaft and the second rotary shaft is upwardly inclined with respect to the ground; and a plurality of discrimination bands formed on the outer circumference in shapes of bands that can be discriminated from the belt to visualize as if the rope were turned when an exerciser performs a jumping exercise at a position opposite to the rotating belt, the plurality of discrimination bands spaced apart from each other in a direction orthogonal to the rotation direction of the belt.	07-08-2010

Min Young Lee, Gwangju KR

Patent application number	Description	Published
20100112684	CELL CULTURE DISH FOR THE EMBRYOID BODY FORMATION FROM EMBRYONIC STEM CELLS - The present invention relates to a cell culture dish for the erabryoid body formation from embryonic stem cells, which facilitates efficient and stable differentiation of embryonic stem cells by forming embryoid body in grooves on the bottom of a support adhered on the back of the lid for the culture dish by hanging drop culture.	05-06-2010

Myung-Hun Lee, Gwangju KR

Patent application number	Description	Published
20110063468	METHOD AND APPARATUS FOR RETRIEVING LABEL - Disclosed is a method for retrieving a label in a portable terminal. The method includes obtaining a label image photographed through a camera, extracting characters included in the label image and recognizing the extracted characters, detecting at least one label including the recognized character from a label database including multiple labels and information on the multiple labels and constituting a preliminary label candidate group including said at least one label, detecting an image characteristic of the label image, detecting at least one label having an image characteristic, which is similar with the detected image characteristic, from the preliminary label candidate group, and constituting a final label candidate group, and providing each of said at least one label included in the final label candidate group and detailed information corresponding to each of said at least one label.	03-17-2011

Myung Seok Lee, Gwangju KR

Patent application number	Description	Published
20100148639	STRUCTURE INCLUDING SPINDLE MOTOR AND PRINTED CIRCUIT BOARD - A spindle motor structure is disclosed wherein the spindle motor structure comprises a spindle motor including a stator having a core wound with a coil and a rotor rotating about the stator; and a driving substrate aligned at an outer periphery of the rotor and soldered with driving control parts of the spindle motor including a plurality of circuit parts including a driving integrated circuit and the like; and a base on which the spindle motor and the driving substrate are installed, wherein the spindle motor is assembled with or dissembled from the base independently from the driving substrate.	06-17-2010

Sae Woom Lee, Gwangju KR

Patent application number	Description	Published
20110128131	HEAD NODE SELECTION METHOD FOR CLUSTERING IN WIRELESS SENSOR NETWORK AND WIRELESS SENSOR NETWORK - The present invention relates to a wireless sensor network, and more particularly, to a head node selection method for clustering in a wireless sensor network and a wireless sensor network. The wireless sensor network for determining a head node that includes: a first node; and a second node wirelessly being in communication with the first node, wherein the first node broadcasts a final head node message which is a message indicating that the first node itself is a final head node to the second node if the residual energy of the first node is larger than the residual energy of the neighboring nodes. It is therefore possible to minimize clustering process time.	06-02-2011

Sang Beom Lee, Gwangju KR

Patent application number	Description	Published
20090129667	DEVICE AND METHOD FOR ESTIMATIMING DEPTH MAP, AND METHOD FOR GENERATING INTERMEDIATE IMAGE AND METHOD FOR ENCODING MULTI-VIEW VIDEO USING THE SAME - The present invention relates to a device and a method for estimating a depth map, and a method for making an intermediate image and a method for encoding multi-view video using the same. More particularly, the present invention relates to a device and a method for estimating a depth map that are capable of acquiring a depth map that reduces errors and complexity, and is resistant to external influence by dividing an area into segments on the basis of similarity, acquiring a segment-unit initial depth map by using a three-dimensional warping method and a self adaptation function to which an extended gradient map is reflected, and refining the initial depth map by performing a belief propagation method by the segment unit, and achieving smoother view conversion and improved encoding efficiency by generating an intermediate image with the depth map and utilizing the intermediate image for encoding a multi-view video, and a method for generating the intermediate image and a method for encoding the multi-view video using the same.	05-21-2009

Sang Hyeun Lee, Gwangju KR

Patent application number	Description	Published
20100010900	SYSTEM AND METHOD OF INTERACTIVE AREA ADVERTISEMENT USING MULTICAST TRANSMITTING - An interactive advertisement system and a method thereof are provided. The interactive advertisement system includes an advertiser server, a local advertisement server, and a service receiver. The advertiser server requests registration of advertisement information by setting advertisement ID including target service areas and provides services in response to an order of available services corresponding to the advertisement information. The local advertisement server stores and registers the advertisement information including the advertisement ID corresponding to the registration request of the advertiser server, multicasts the registered advertisement information with the advertisement ID through an IP network, and transmits information related to a service request to the advertiser server. The service receiver extracts advertisement information providing a corresponding service from the received advertisement information, outputs the extracted information through a user interface, requesting the local advertisement server to order the input service, and receives the corresponding service from the advertiser server.	01-14-2010
20100199305	IPTV DIGITAL-BROADCAST SYSTEM AND METHOD FOR REDUCING CHANNEL CHANGE TIME - There is provided a IPTV digital broadcast system and method capable of reducing a channel change time, the system including: an IPTV providing server providing a broadcast stream including broadcast data for each channel; an EPG server, when a client terminal accesses, providing an EPG, multicast group information for each channel, and PID information for each channel to the client terminal; and a PID providing server acquiring the PID information for each channel itself and providing the PID information for each channel to the EPG server.	08-05-2010

Sang Hyun Lee, Gwangju KR

Patent application number	Description	Published
20090101926	SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided are a semiconductor light emitting device and a method of manufacturing the same. The semiconductor light emitting device comprises a first conductive type semiconductor layer, an active layer divided in plurality on the first conductive type semiconductor layer, and a second conductive type semiconductor layer divided in plurality on the active layer.	04-23-2009

Seok Hee Lee, Gwangju KR

Patent application number	Description	Published
20100004645	INVASIVE DUAL-WAVELENGTH LASER ACUPUNCTURE - An invasive laser acupuncture includes a first semiconductor laser connected to a first optical fiber acupuncture and providing red-based laser beam with the first optical fiber acupuncture; a second semiconductor laser connected to a second optical fiber acupuncture and providing a green-based laser beam with the second optical fiber acupuncture; and a driving circuit independently driving the first semiconductor laser and the second semiconductor laser in a continuous mode or a pulse mode by a switching operation. Since red and green lasers can independently be driven in the continuous mode and the pulse mode, the red and green laser can easily be adopted in a reinforcing and reducing treatment method in traditional oriental medicine. In addition, by using a metal-coated optical fiber acupuncture, the optical fiber acupuncture is injected directly into meridian pathways provided under an epidermal layer, such that it is possible to efficiently transmit a laser beam without loss.	01-07-2010

Seung Lee, Gwangju KR

Patent application number	Description	Published
20080196422	Refrigerator and method of controlling the same - Disclosed are a refrigerator for discharging water contained in a water tank when a predetermined time has passed to supply fresh water to a user and a method of controlling the same. The refrigerator includes a main body, a door pivotally mounted to the main body, a dispenser provided in the door to dispense water to the exterior, a water tank connected to the dispenser to accommodate the water, a water supply valve connected to the water tank to control a flow of the water to be supplied to the water tank, and a controller connected to the water supply valve and the dispenser to control the same and to discharge the water to the exterior when the water is accommodated in the water tank for a predetermined time.	08-21-2008

Seung-Kyo Lee, Gwangju KR

Patent application number	Description	Published
20110141803	Magnetic tunnel junction devices, electronic devices including a magnetic tunneling junction device and methods of fabricating the same - Perpendicular magnetic tunnel junction (MTJ) devices, methods of fabricating a perpendicular MTJ device, electronic devices including a perpendicular MTJ device and methods of fabricating the electronic device are provided, the perpendicular MTJ devices include a pinned layer, a tunneling layer and a free layer. At least one of the pinned layer and the free layer includes a multi-layered structure including an amorphous perpendicular magnetic anisotropy (PMA) material.	06-16-2011

Seung Tae Lee, Gwangju KR

Patent application number	Description	Published
20100285579	PREANTRAL FOLLICLE DERIVED EMBRYONIC STEM CELLS - The present invention relates to a method for producing a preantral follicle-derived embryonic stem cell and a preantral follicle-derived embryonic stem cell. The present method comprises the steps of (a) obtaining a preantral follicle from mammalian ovaries; (b) growing the preantral follicle in vitro; (c) maturing an oocyte in vitro present in the cultured preantral follicle; (d) activating the matured oocyte for parthenogenesis; (e) culturing the activated oocyte to form a blastocyst; and (f) culturing inner cell mass (ICM) cells of the blastocyst to produce the preantral follicle-derived embryonic stem cell.	11-11-2010

Seung Won Lee, Gwangju KR

Patent application number	Description	Published
20110053190	Use of CFH or ApoH as a Biochemical Diagnostic Marker for Complete Remission in Acute Myeloid Leukemia - The present invention relates to a diagnostic method for acute myeloid leukemia, in particular, a method for using CFH or ApoH in patient sera as biochemical diagnostic markers to determine complete remission in acute myeloid leukemia. In accordance with this invention, CFH and ApoH are identified as a novel biochemical marker for understanding the biological mechanism and responsiveness to disease in AML patients after induction chemotherapy, and can be used as a biochemical marker for evaluating the prognosis of disease in patients after induction chemotherapy.	03-03-2011

Shee Eun Lee, Gwangju KR

Patent application number	Description	Published
20110008378	MODIFIED FLAGELLIN IMPROVED TOLL-LIKE RECEPTOR 5 STIMULATING ACTIVITY - Disclosed herein are flagellin mutants having an enhanced activity of stimulating the toll-like receptor-5 (hereinafter referred to as “TLR5”). More specifically, disclosed are flagellin mutants, prepared by point-mutating some of the amino acids of a TRL5 agonist flagellin so as to enhance the TRL-stimulating activity of the flagellin.	01-13-2011

Suk-Min Lee, Gwangju KR

Patent application number	Description	Published
20110050066	Refrigerator - Disclosed is a refrigerator including a main body cabinet forming a storage compartment including a front opening, and a drawer type door entering and exiting the storage compartment to open and close the front opening, the drawer type door including: a basket entering and exiting the storage compartment; a door main body coupled to a front area of the basket to open and close the front opening of the storage compartment; a pocket unit formed at an upper wall surface of the door main body to receive a user's hand; a handle member adjacent to the pocket unit to rotate in forward and backward directions with respect to the door main body; and a pair of sliders reciprocating between an opening position and a closing position.	03-03-2011

Sung Yong Lee, Gwangju KR

Patent application number	Description	Published
20100010900	SYSTEM AND METHOD OF INTERACTIVE AREA ADVERTISEMENT USING MULTICAST TRANSMITTING - An interactive advertisement system and a method thereof are provided. The interactive advertisement system includes an advertiser server, a local advertisement server, and a service receiver. The advertiser server requests registration of advertisement information by setting advertisement ID including target service areas and provides services in response to an order of available services corresponding to the advertisement information. The local advertisement server stores and registers the advertisement information including the advertisement ID corresponding to the registration request of the advertiser server, multicasts the registered advertisement information with the advertisement ID through an IP network, and transmits information related to a service request to the advertiser server. The service receiver extracts advertisement information providing a corresponding service from the received advertisement information, outputs the extracted information through a user interface, requesting the local advertisement server to order the input service, and receives the corresponding service from the advertiser server.	01-14-2010

Sun-Gyou Lee, Gwangju KR

Patent application number	Description	Published
20080245093	Apparatus for refrigeration - A refrigerator including a blowing unit optimized for a bottom type condenser. The refrigerator includes a main body having a storage compartment defined therein, a condenser mounted at the bottom of the main body, and a blowing unit to blow air that has already passed through the condenser. The blowing unit includes a centrifugal fan mounted in a machine compartment and a blowing guide member to guide air blown by the centrifugal fan to the front of the main body. Consequently, it is possible to discharge the air that has already passed through the bottom type condenser, to the front of the main body, thereby accomplishing the smooth discharge of air and reducing the power consumption necessary to blow the air.	10-09-2008
20100083685	Refrigerator - Disclosed is a refrigerator including a main body cabinet forming a storage compartment with a front opening, a door opening and closing the front opening of the storage compartment, and an ice making tray mounted to the door and making ice. The refrigerator includes a water supplying pipe which receives water from a water supplying source; a discharging pipe guide which includes a hollow part and is mounted to a through part penetrating from an outside region of the door to an upper side of the ice making tray; and a discharging pipe which includes a first end detachably connected to the water supplying pipe, and a second end disposed above the ice making tray after passing through the hollow part and detachably coupled to the door.	04-08-2010

Sun Keun Lee, Gwangju KR

Patent application number	Description	Published
20100300137	Refrigerator - A refrigerator having an intermediate storage compartment, which has an improved structure of a return flow passage to return cold air from the intermediate storage compartment. The refrigerator includes a first evaporator to supply cold air to an upper storage compartment, a second evaporator to supply cold air to a lower storage compartment, a cold air supply duct to supply cold air generated at the second evaporator to an intermediate storage compartment, and a curved section formed at a top of the intermediate storage compartment to uniformly distribute the cold air supplied via the cold air supply duct in the intermediate storage compartment. The refrigerator also includes a cold air return duct to return cold air from the intermediate storage compartment, and an ice-making cold air return duct to return cold air from an ice maker. The cold air return duct is joined with the ice-making cold air return duct.	12-02-2010
20110079039	Shelf assembly for refrigerator and manufacturing method thereof - Upper and lower frames enclosing a peripheral edge of the supporting plate and each including a groove to receive a sealing member are preassembled through locking parts, and then fusion-bonded in the preassembled state. Accordingly, a waterproof effect and durability of the shelf assembly are improved.	04-07-2011

Sunkyu Lee, Gwangju KR

Wan Hyeong Lee, Gwangju KR

Patent application number	Description	Published
20080202141	Refrigerator and evaporator mounting structure therefor - A refrigerator having a mounting structure to firmly fix an evaporator to the refrigerator. In the refrigerator including an evaporator and a cover to be coupled with the evaporator, the evaporator includes first fixing portions to be coupled with the cover and the cover includes second fixing portions to correspond to the first fixing portions. The evaporator and the cover are coupled with each other by the first and second fixing portions without separate fasteners.	08-28-2008
20080202149	Refrigerator - A refrigerator having a cold air supply device is provided. The refrigerator includes an evaporator and the cold air supply device mounted at a rear surface of a storage compartment to cover the evaporator. The cold air supply device includes a plurality of discharge holes formed in a front surface and both lateral surfaces thereof to discharge cold air, which was heat exchanged by the evaporator, toward front and lateral sides of the cold air supply device.	08-28-2008

Woo Jin Lee, Gwangju KR

Patent application number	Description	Published
20090180733	SYSTEM PACKAGE USING FLEXIBLE OPTICAL AND ELECTRICAL WIRING AND SIGNAL PROCESSING METHOD THEREOF - A system package using flexible optical waveguides and electrical wires, and a signal processing method thereof are disclosed. Several rigid substrates having highly integrated electronic elements and optical elements mounted thereon can be electrically and optically connected by using flexible substrates that are electrically wired and optically connected. The package can be variously changed when configuring the package by the flexible substrate and the heat dissipation device and the electromagnetic shielding device are installed in the inside of the package, making it possible to solve electromagnetic wave interference problems and thermal problems occurring in the inside of the package.	07-16-2009
20100067848	FABRICATION METHOD OF OPTICAL MODULE AND OPTICAL MODULE USING THE SAME METHOD - A fabrication method of an optical module comprises a mixed/hybrid optical alignment method, and an optical module uses the same fabrication method using an optical element chip such as a light source chip or a photodetector chip, etc. on an optical wiring substrate and making it possible to simultaneously secure mass productivity that is the advantage of the passive alignment method according to the related art and alignment accuracy that is the advantage of the active alignment method.	03-18-2010

Yeung-Lak Lee, Gwangju KR

Patent application number	Description	Published
20100290488	Green Laser Generation Device, and Portable Electronic Machine Having Laser Projection Display Using the Said Device - The present invention relates to a green laser generation device which can be applied to a cellular phone, and more particularly to a green laser generation device which is ultra compact in size having volume of 1 cc or less, despite having a built-in thermo electric cooler, and has sufficient output power, despite having low power consumption, and a portable electronic machine having a laser projection display using the said device. The present invention provides a green laser generation device comprising an LD pump constituted by a photo diode; a fundamental generator generating infrared light laser according to the driving of the LD pump; a second harmonic generator generating green light using the generated infrared light laser; a polarization maintenance unit inserted between the fundamental generator and the second harmonic generator to maintain the polarization of the laser; and a temperature controller controlling an internal temperature of the green laser generation device.	11-18-2010

Yong-Gu Lee, Gwangju KR

Patent application number	Description	Published
20090195538	METHOD AND SYSTEM FOR HAPTIC INTERACTION IN AUGMENTED REALITY - The present invention relates to a method and system for haptic interaction in augmented reality. More specifically, the present invention relates to a method and system for haptic interaction in augmented reality that can effectively remove noise from real images captured by an image capturing device and minimize discontinuity of force generated in the haptic interaction so as to stably and smoothly perform the haptic interaction in the augmented reality.	08-06-2009

Yongtak Lee, Gwangju KR

Patent application number	Description	Published
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
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

Yong Tak Lee, Gwangju KR

Patent application number	Description	Published
20080261157	SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME - Disclosed is a method of manufacturing a distributed feedback semiconductor laser device. In order to form a grating in only a channel, an etching mask, which is used when forming a ridge waveguide, is allowed to remain. A portion of sides of an ohmic contact layer is removed. A metal layer that remains at locations other than a location of the grating is removed by a lift-off method. According to an embodiment of the invention, a holographic exposure method or a nanoimprint method is used in forming a grating of the distributed feedback laser device, and the grating is formed in a self-aligned manner. The distributed feedback laser device that is manufactured according to the embodiment of the invention can be formed by using a technology and a structure that are suitable for mass production. Further, excellent reproducibility can be ensured and production costs can be decreased in the distributed feedback laser device, thereby complementing a disadvantage of an existing distributed feedback laser device.	10-23-2008
20100014806	OPTICAL CONNECTION COMPONENT - The present invention provides an optical connection component which comprises a solid state laser component for emitting a modulated beam of light in response to an applied electrical signal. The optical connection component also comprises an optical lens positioned relative to the solid state laser component at a predetermined position in which the optical lens reduces divergence of the emitted beam of light. The optical lens is formed at the predetermined position in a manner such that the optical lens is immobile relative to the solid state laser component. The optical connection component further comprises an optical waveguide having a core for guiding the light. The optical waveguide has first and second end-portions. The first end-portion is positioned for coupling the modulated light from the optical lens into the core. In addition, the optical connection component comprises a receiver for receiving the modulated light from the second end-portion of the optical waveguide and arranged for converting the modulated light into a corresponding electrical signal.	01-21-2010
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

Youngsuk Lee, Gwangju KR

Patent application number	Description	Published
20110058810	OPTICAL NETWORK UNIT (ONU) AND METHOD OF OPERATING THE ONU - Provided is an Optical Network Unit (ONU) and a method of operating the ONU. The ONU may include: a measurement unit to measure a downstream optical signal strength of downstream data received from an Optical Line Termination (OLT) via an optical splitter; a determination unit to determine an upstream optical signal strength based on the measured downstream optical signal strength; and a communication unit to transmit, to the OLT via the optical splitter, upstream data generated based on the determined upstream optical signal strength.	03-10-2011
20110099545	METHOD AND APPARATUS FOR SIMULTANEOUSLY UPDATING SOFTWARE INSTALLED IN TERMINALS IN COMMUNICATION SYSTEM - Provided is a method of controlling a server to simultaneously update software installed in a plurality of terminals in a communication system, the method including: receiving an update message from each of the terminals; determining a size of a transmission window based on the update message; processing an image of software to be transmitted to the plurality of terminals, based on the size of the transmission window; and transmitting the image of software to the plurality of terminals.	04-28-2011
20110103382	METHOD AND APPARATUS FOR FILTERING MULTICAST PORT IDENTIFIER IN GIGABIT-CAPABLE PASSIVE OPTICAL NETWORK (GPON) SYSTEM - Provided is an apparatus for filtering a multicast port identifier, the apparatus including: a processor to receive an Internet Group Management Protocol (IGMP) message from a switching unit, to verify a traffic reception request received from a subscriber terminal based on the IGMP message, and to store a value in a filtering register based on the traffic reception request; and an Optical Network Unit (ONU) Media Access Control (MAC) manager to filter a packet to be forwarded to the subscriber terminal, using a port identifier for traffic forwarding and reception with the subscriber terminal, and using the value of the filtering register indicating an existence of traffic to be forwarded to the subscriber terminal.	05-05-2011
20110129223	APPARATUS AND METHOD FOR ALLOCATING DYNAMIC BANDWIDTH - A dynamic bandwidth allocation apparatus of a passive optical network detects guarantee agreement information of each transmission container (T-CONT) queue of at least one optical network unit (ONU) that is connected to the dynamic bandwidth allocation apparatus in order to dynamically allocate a bandwidth is provided. The dynamic bandwidth allocation apparatus sets a queue threshold according to a buffer size of each T-CONT queue of at least one ONU, and calculates a service level agreement (SLA) parameter of at least one ONU using guarantee agreement information and a queue threshold. The dynamic bandwidth allocation apparatus allocates a bandwidth for every frame of each ONU using each SLA parameter of at least one ONU.	06-02-2011