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Hyun-Min

Hyun Min Choi, Seoul KR

Patent application numberDescriptionPublished
20110227111LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE - Provided are a light emitting device and a light emitting device package. The light emitting device includes a transparent substrate, a light emitting structure, and a first reflection layer. The light emitting structure includes a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer that are disposed on a top surface of the substrate. The first reflection layer is disposed on a bottom surface of the substrate. The bottom surface of the substrate has a surface roughness of about 1 nm to about 15 nm in root mean square (RMS) value.09-22-2011
20110260188LIGHT EMITTING DEVICE, LIGHT EMITTING DEVICE PACKAGE, AND LIGHTING SYSTEM - Disclosed are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer on, a light transmissive substrate having a refractive index lower than a refractive index of a compound semiconductor layer, and a mirror structure layer having a structure in which a first mirror layer having a first refractive index and a second mirror layer having a second refractive index different from the first refractive index are alternately stacked on each other. The first mirror layer has a thickness of W·λ/(4·n10-27-2011

Hyun Min Jang, Jecheon-Si KR

Patent application numberDescriptionPublished
20110193757GROUND RADIATOR USING CAPACITOR - A ground radiation antenna is disclosed. Herein, the ground radiation antenna provides a ground radiator inducing resonance by using the inductance of a ground. Since the ground radiator efficiently uses the inductance of the ground, the ground radiator may operate as a radiator of the ground radiation antenna by using a simple structure of combining a capacitive element with the ground. As described above, by providing an antenna radiator having a remarkably simple structure, the fabrication cost for the antenna may be decreased, and the size of the antenna may also be largely reduced.08-11-2011

Hyun Min Jung, Daejeon KR

Patent application numberDescriptionPublished
20100237520PREPARATION OF MICROCAPSULE WITH DOUBLE LAYERED STRUCTURE - The present invention relates to a method of preparing a microcapsule with a double-layered structure which comprises the steps of performing an interfacial polymerization of an amine-aldehyde prepolymer on droplets containing an inorganic metal precursor selected from carboxylate and alkoxide compounds, and hydrolyzing the including inorganic precursors for formation of inorganic inner layer. The method of the present invention can prepare a microcapsule with a double-layered structure of an inorganic inner layer and a polymer outer layer, which is effective for eluting and substituting a core material inside the capsule.09-23-2010

Hyun Min Jung, Gyeonggi-Dong KR

Patent application numberDescriptionPublished
20110240119METHOD FOR PREPARING SOLAR CELL ELECTRODES, SOLAR CELL SUBSTRATES PREPARED THEREBY, AND SOLAR CELLS - The following description provides a method for preparing electrodes for solar cells, substrates for the solar cell prepared using the same, and the solar cells. The method forms conductive paste on substrates by a printing method and a wet metal plating method, and forms a non-porous cell structure by directly plating a crystallized metal layer on the substrates via etching without using excessive non-crystallized conductive paste or plating the porous conductive paste with metal.10-06-2011

Hyun Min Kang, Seongnam KR

Patent application numberDescriptionPublished
20120103714BATTERY PACK HOUSING ASSEMBLY FOR ELECTRIC VEHICLE USING PLASTIC COMPOSITE MATERIAL - The present invention provides a battery pack housing assembly for an electric vehicle, which is formed of a lightweight composite material to reduce the weight and configured to have a dual laminated structure with a closed cross-sectional area formed by composite molding to absorb impact energy. For this purpose, the present invention provides battery pack housing assembly for an electric vehicle using a plastic composite material, the battery pack housing assembly having an upper cover mounted at the bottom of a vehicle body, a lower housing, and a battery pack received and mounted in the lower housing, wherein the lower housing has a dual laminated structure with a closed cross-sectional area formed by bonding an upper plate and a lower plate, each composed of a fiber reinforced plastic composite material, to absorb impact energy, thus increasing structural stiffness.05-03-2012

Hyun Min Lee, Daejeon KR

Patent application numberDescriptionPublished
20090298829MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound of the following formula 1, pharmaceutically acceptable salt and isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.12-03-2009
20100120783MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.05-13-2010
20110224219MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.09-15-2011
20110237795MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.09-29-2011
20110245500MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.10-06-2011

Patent applications by Hyun Min Lee, Daejeon KR

Hyun Min Shin, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090230513COMPOUND SEMICONDUCTOR SUBSTRATE AND CONTROL FOR ELECTRICAL PROPERTY THEREOF - There is provided a compound semiconductor substrate prepared by forming a point defect in an inside structure thereof by implanting an electrically-neutral impurity with energy of 0.1 to 10MeV on a surface of the substrate. When the compound semiconductor is undoped, electrical resistance increases to increase insulating properties, and when the compound semiconductor is doped with an n-type dopant, the impurity is implanted and charge concentration of the substrate increases to increase conductive properties. In accordance with the present invention, the various electrical properties needed for the compound semiconductor can be effectively controlled by increasing the insulating properties of the undoped compound semiconductor or by increasing the charge concentration of the n-type compound semiconductor, and the application range to various devices can be expanded.09-17-2009

Hyun-Min Cho, Seoul KR

Patent application numberDescriptionPublished
20100225993LIGHT GUIDE UNIT AND DISPLAY DEVICE HAVING THE SAME - A light guide unit includes a light guide plate and a plurality of light-exiting protrusions. The light guide plate includes a light-entering surface, an upper surface connected to the light-entering surface and a lower surface facing the upper surface. The light-exiting protrusions protrude from the upper surface of the light guide plate to have a cylindrical shape in which a cross-section size thereof increases in a direction away from the upper surface of the light guide plate, the light-exiting protrusions being disposed in a light control area which is turned on or off by a microelectromechanical system shutter. Light guided by the light guide unit to the light control area exits through the light-exiting protrusions.09-09-2010
20110001738DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a gate line, a data line, a switching transistor connected to the data line, a variable resistance unit, a first capacitor connected to the variable resistance unit and a micro-shutter connected to the resistance unit and the first capacitor. The switching transistor is controlled by a gate-on voltage supplied by the gate line, and a resistance of the variable resistance unit is changed based on a data voltage supplied to the variable resistance unit from the data line via the switching transistor. The micro-shutter electrode executes a shutoff operation based on a voltage at a connection node between the variable resistance unit and the first capacitor.01-06-2011
20110032246DISPLAY DEVICE USING MEMS AND DRIVING METHOD THEREOF - A display device using a microelectromechanical system (“MEMS”) element includes; a display panel including the MEMS element having at least three states, the at least three states including an on state, a half-on state, and an off state and a backlight unit which provides light to the display panel.02-10-2011
20110043882Micro-Shutter and Display Apparatus Having the Same - A micro-shutter includes a reflective layer, a shutter, and a first actuator. The reflective layer includes a plurality of first openings transmitting a portion of external light, and reflecting the remaining portion of the external light. The shutter includes a plurality of second openings corresponding to the first openings to transmit the portion of the external light. The first actuator is provided at one side of the shutter and includes at least three electrodes. The first actuator adjusts an overlap area between the first openings and the second openings according to a level of a voltage applied to the actuator electrodes.02-24-2011
20110102876DISPLAY DEVICE USING MEMS ELEMENT AND MANUFACTURING METHOD THEREOF - The present invention relates to a display device using a microelectromechanical system (MEMS) and to a manufacturing method thereof. A display device using a MEMS includes a first substrate comprising a first index of refraction; a second substrate facing the first substrate; a reflective layer formed on the first substrate and having a first aperture; a transparent layer covering the first aperture and comprising a second refractive index; and a shutter arranged on the second substrate, wherein a difference between the first refractive index and the second refractive index is equal to or less than 0.1.05-05-2011
20110116078INFRARED IMAGE SENSOR - An image sensor comprises a photoelectric conversion element receiving light to accumulate photocharges, and a wavelength conversion layer formed above the photoelectric conversion element to convert light within a first wavelength band into light within a second wavelength band shorter than the first wavelength band and supply the converted light to the photoelectric conversion element.05-19-2011
20110157676MICROELECTROMECHANICAL SYSTEM SUBSTRATE AND DISPLAY APPARATUS HAVING THE SAME - A microelectromechanical system substrate includes a first substrate and an optical gate that is disposed on the first substrate and configured to move to at least two different positions. The optical gate comprises a color filter and a light absorbing section. A display apparatus includes a first substrate; a second substrate that faces the first substrate; an optical gate disposed on the first substrate, configured to move to at least two different positions, and comprising a color filter and a light absorbing section; and a light shielding layer that contacts the second substrate.06-30-2011
20110216041TOUCH PANEL AND TOUCH POSITION DETECTION METHOD OF TOUCH PANEL - A touch panel and a touch position detection method are presented. The touch panel includes: a touch unit, a light source unit array positioned along a first edge of the touch unit and including a first light source and a second light source; and a detection unit array positioned along a second edge and including a detection unit generating a detection signal by detecting light from the light source unit array. The first light source radiates light having a first optical axis, the first optical axis extending in a first direction that makes a first angle with respect to a reference direction, and the second light source radiates light having a second optical axis, the second optical axis extending in a second direction that makes the first angle with respect to the reference direction. The reference direction is perpendicular to the second edge.09-08-2011
20110221997Method of Detecting Touch Position, Touch Position Detecting Apparatus for Performing the Method and Display Apparatus Having the Touch Position Detecting Apparatus - A light waveguide has a rectangular plate shape and is configured to totally reflect internal light arriving at an angle greater than a critical angle. Light emitting parts are disposed at corners of the light waveguide. Each of the light emitting parts emits light once in a period. A first light receiving part is disposed along a first side surface of the light waveguide, and receives light emitted from the light emitting parts adjacent to a second side surface facing the first side surface of the light waveguide. The second light receiving part is disposed along the second side surface of the light waveguide, and receives light emitted from the light emitting parts adjacent to the first side surface. A detecting part detects a touch position based on an amount of the light received by the first and second light receiving parts.09-15-2011
20110235147MEMS SHUTTER AND DISPLAY APPARATUS HAVING THE SAME - The display apparatus including a microelectromechanical (MEMS) shutter is disclosed. The MEMS shutter is shifted by the switching element in a horizontal direction corresponding to the light control area to turn on or turn off the light control area. A first slit transmits light generated from the light source to the MEMS shutter of a first substrate and a second slit of a second substrate corresponding to the first slit provides apertures by overlapping the first slit and the second slit. The apertures of the MEMS shutter are distributed on a two dimensional plane and form a geometrically symmetric pattern that are capable of enhancing light-use efficiency.09-29-2011

Patent applications by Hyun-Min Cho, Seoul KR

Hyun-Min Choi, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20080211059ELECTRONIC FUSE HAVING HEAT SPREADING STRUCTURE - A semiconductor device includes a fuse transistor for fuse programming and a fuse block connected to the fuse transistor, wherein the fuse block comprises a fuse line and a heat spreading structure connected to the fuse line. The electrical fuse employs the heat spreading structure connected to the fuse line to prevent a rupture of the electrical fuse such that heat, which is generated in the fuse line during a blowing of the fuse line, is spread throughout the heat spreading structure. Thus, a sensing margin of the electrical fuse can be secured and a deterioration of devices adjacent to the electrical fuse by heat generated in the electrical fuse can be prevented.09-04-2008

Hyun-Min Choi, Anyaag-Si KR

Patent application numberDescriptionPublished
20110062497SEMICONDUCTOR DEVICE STRUCTURE WITH STRAIN LAYER AND METHOD OF FABRICATING THE SEMICONDUCTOR DEVICE STRUCTURE - A semiconductor device with a strain layer and a method of fabricating the semiconductor device with a strain layer that can reduce a loading effect are provided. By arranging active dummies and gate dummies not to overlap each other, the area of active dummy on which a strain layer dummy will be formed can be secured, thereby reducing the loading effect.03-17-2011

Hyun-Min Hwang, Suwon-Si KR

Patent application numberDescriptionPublished
20090165532JIG frame for drop test of flat panel display - A jig frame for a drop test of a flat panel display, which is designed to allow a tester to effectively identify if the flat panel display is damaged and to easily adjust its weight and degree of deformation is provided. The jig frame for a drop test of a flat panel display includes a base plate having a groove for receiving the flat panel display and a cover plate fixing the flat panel display by covering the flat panel display and being coupled to the base plate. The cover plate is formed of transparent material so that the flat panel display installed in the jig frame is visible to outside of the cover plate.07-02-2009
20090168318Organic light emitting diode display - An organic light emitting diode (OLED) display has an increased mechanical strength by improving the shape of a bezel combined to a panel assembly. The OLED display includes a panel assembly having a display area and a pad area, and a bezel accommodating the panel assembly. The bezel includes a bottom part on which the panel assembly is mounted, a side wall provided on a side of the bezel, and a hemming flange provided at another side of the bezel on which the side wall is not provided. The panel assembly is mounted in a manner that the pad area is turned towards the another side.07-02-2009
20090195485Organic light emitting diode display - An OLED display that is enhanced in mechanical strength by improving a structure of a bezel supporting a panel assembly. The OLED display includes a panel assembly that includes a display region, a pad region, and a plurality of OLEDs arranged in the display region and a bezel coupled to the panel assembly, the bezel including synthetic resin, wherein, when a diagonal length of the display region is in the range of 25.4 to 101.6 mm, the bezel being designed to satisfy the following inequality t≧0.0003×a, where t(mm) is a thickness of the bezel and a(mm08-06-2009
20090195973ORGANIC LIGHT EMITTING DIODE DISPLAY - An OLED display including: a panel assembly having a display region, a pad region, and a plurality of OLEDs formed in the display region; a bezel disposed around, and spaced apart from the panel assembly; and a fixing member to fix the panel assembly to the bezel.08-06-2009

Hyun-Min Jang, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090305637System and Method for Minimizing Interference Between Rfid Reader - Disclosed is a method for minimizing interference between RFID readers built in a mobile terminal, it is possible to minimize interference between readers by assigning an operating time specific to the mobile terminal at a specific point of time of a cycle of a mobile communication network signal according to an identity number of a mobile terminal, even when several readers are scattered in a predetermined area and they try to detect one tag at the same time.12-10-2009

Hyun-Min Jung, Kyunggi-Do KR

Patent application numberDescriptionPublished
20080315240III-Nitride Semiconductor light Emitting Device - The present disclosure relates to an III-nitride semiconductor light emitting device, particularly, an electrode structure thereof. The III-nitride semiconductor light emitting device includes a substrate, a plurality of III-nitride semiconductor layers grown on the substrate, and composed of a first III-nitride semiconductor layer with first conductivity, a second III-nitride semiconductor layer with second conductivity different from the first conductivity, and an active layer positioned between the first III-nitride semiconductor layer and the second III-nitride semiconductor layer, for generating light by recombination of electrons and holes, and a hole passing through the substrate and the plurality of III-nitride semiconductor layers.12-25-2008

Hyun-Min Kim, Daejeon-City KR

Patent application numberDescriptionPublished
20100098205MODULAR REACTOR HEAD AREA ASSEMBLY - Provided is a modular reactor head area assembly. The modular reactor head area assembly is installed on a reactor head, and includes: a seismic support structure that performs functions of lifting, moving and reinstallation of the reactor head and control rod driving apparatuses, cooling of the control rod driving apparatuses, shielding of missile parts, and supporting with respect to a seismic load, and disperses a load applied to the control rod driving apparatuses; an upper module that is an assembly of components located at an upper portion of the seismic support structure for the control rod driving apparatuses; and a lower module that is an assembly of components located at a lower portion of the seismic support structure for the control rod driving apparatuses. The upper module and the lower module are 04-22-2010
20110298307COOLING UNIT FOR NUCLEAR REACTOR CONTROL ROD DRIVING APPARATUS - A cooling unit cooling a coil assembly that generates electromagnetic force for driving a nuclear reactor control rod, and including a coil surrounding a driving shaft of the nuclear reactor control rod so as to generate the electromagnetic force; a coil housing surrounding the coil so as to enclose the coil; a cooling shroud-shell forming a cooling flow path between the cooling shroud-shell and the coil housing, whereby a cooling fluid for cooling heat that is generated in the coil passes through the cooling flow path; and a plurality of cooling fins disposed on the cooling flow path in a radial direction so as to allow heat to be effectively exchanged between the coil and the cooling fluid that flows through the cooling flow path.12-08-2011

Hyun-Min Lee, Suwon-Si KR

Patent application numberDescriptionPublished
20110191550APPARATUS AND METHOD FOR PROCESSING DATA - An apparatus and method for processing data capable of providing an application with data converted based on various data types is provided. The data processing apparatus converts data, which is input from an input system, into various types of data. Various applications receive and use the data that is converted in the data processing apparatus.08-04-2011

Hyun-Min Oh, Suwon-Si KR

Patent application numberDescriptionPublished
20100033851LENS BARREL ASSEMBLY AND METHOD - Provided is a lens barrel assembly and method. The lens barrel assembly including: a lens barrel in which at least one lens is installed; a driving member that moves the lens barrel in the direction of an optical axis; a base at which the driving member is accommodated; a guide member that is formed on the base and guides a movement of the lens barrel; and an elastic unit that connects the base and the lens barrel and includes a plurality of elastic members. The lens barrel assembly can improve image quality of an image processing device by stabilizing the movement of the lens barrel.02-11-2010

Hyun-Min Park, Suwon-Si KR

Patent application numberDescriptionPublished
20120070976METHODS OF MANUFACTURING SEMICONDUCTOR DEVICES - A method of manufacturing a semiconductor device includes forming a plurality of preliminary gate structures, forming a capping layer pattern on sidewalls of the plurality of preliminary gate structures, and forming a blocking layer on top surfaces of the plurality of preliminary gate structures and the capping layer pattern such that a void is formed therebetween. The method also includes removing the blocking layer and an upper portion of the capping layer pattern such that at least the upper sidewalls of the plurality of preliminary gate structures are exposed, and a lower portion of the capping layer pattern remains on lower sidewalls of the preliminary gate structures. The method further includes forming a conductive layer on at least the upper sidewalls of the plurality of preliminary gate structures, reacting the conductive layer with the preliminary gate structures, and forming an insulation layer having an air gap therein.03-22-2012

Hyun-Min Park, Daejeon KR

Patent application numberDescriptionPublished
20080271986Method for Isotope Separation of Ytterbium - A method for isotope separation of ytterbium comprises isotope-selective photoionizing of a target isotope by use of a laser, and photoionizing of the target isotope from a metastable state to a continuum state or an auto-ionization state through excited states. The photoionized isotope ions of ytterbium can be separated within an electric field. With the method, it is possible to separate a great amount of ytterbium isotope by use of a simple apparatus while ensuring a highly economic efficiency in comparison with a conventional EM method.11-06-2008

Hyun-Min Song, Chungcheongbuk-Do KR

Patent application numberDescriptionPublished
20110164006DISPLAY DRIVE CIRCUIT - A display driving circuit includes a buffer section, an N-dot switch circuit, a charge sharing switch circuit, and a sharing voltage level control switch circuit. The buffer section buffers a plurality of pixel driving signals outputted from a plurality of DACs. The N-dot switch circuit selects paths of the plurality of pixel driving signals outputted from the buffer section in response to a first path selecting signal or a second path selecting signal that is determined depending upon a dot inversion method, and switches the paths to a plurality of output terminals. The charge sharing switch circuit shares charges among the plurality of output terminals in response to a charge sharing control signal. The sharing voltage level control switch circuit controls charge sharing between the plurality of output terminals and a voltage level upon charge sharing, in response to a sharing voltage level control signal.07-07-2011

Hyun-Min Song, Cheongju-Si KR

Patent application numberDescriptionPublished
20110128273DISPLAY PANEL DRIVING CIRCUIT AND DRIVING METHOD USING THE SAME - A display panel driving circuit includes: N number of buffers (N is an integer no less than 1) configured to buffer data voltages and enable or disable supply of buffered signals in response to a charge sharing control signal; and N number of output multiplexers each configured to receive outputs of two adjacent buffers among outputs of the N number of buffers and transfer the output of one buffer or the outputs of the two buffers to a corresponding one of data lines in response to the charge sharing control signal.06-02-2011
20110157129SOURCE DRIVER CIRCUIT OF LIQUID CRYSTAL DISPLAY DEVICE - A source driver circuit of a liquid crystal display device including a gamma buffer. The gamma buffer includes a differential amplification section configured to differentially amplify an input signal; a current mirror section configured to operate as a current mirror; an enable section configured to convert the differential amplification section from a standby mode to an enable mode by a bias voltage; a power drop speed improvement section configured to respectively connect drains of the two PMOS transistors of the current mirror section and drains of the two NMOS transistors of the differential amplification section through two diode coupling type MOS transistors, and shorten a recovery time after a power drop; and an output section configured to be determined in a bias level thereof by the bias voltage and generate an output voltage according to a voltage of a downstream node on one side of the current mirror section.06-30-2011
20110279131CIRCUIT AND METHOD FOR MEASURING CAPACITANCE VALUE OF TOUCH SCREEN - A circuit for measuring a capacitance value of a touch screen includes: a target capacitor unit having a target capacitor charged with a target charging voltage; a target voltage control unit to charge the target capacitor; a reference capacitor unit having a reference capacitor charged with a charging reference voltage; a reference voltage control unit to charge the reference capacitor; a comparator to compare the target charging voltage and the charging reference voltage and output a transition signal at a moment when the target charging voltage becomes higher than the charging reference voltage; and a controller to receive an output signal of the comparator and a clock signal and generate a digital output signal and a control signal, wherein a capacitance value of the target capacitor is measured using a time elapsed from a time when the target capacitor is initialized to a time when the transition signal is outputted.11-17-2011