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Kwang Hyun

Kwang Hyun Ahn, Seoul KR

Patent application numberDescriptionPublished
20080227501PORTABLE TERMINAL - A portable terminal in provided. The portable terminal includes a body having a front surface, the front surface having an upper portion and a lower portion, a display unit located in the body and visible at the front surface thereof, the display unit having a first end and a second end, and at least one of the first end being adjacent the upper portion and the second end being adjacent the lower portion, and a speaker unit located in the body, the speaker unit including a bone conduction speaker.09-18-2008

Kwang Hyun Baek, Asan-Si KR

Patent application numberDescriptionPublished
20140063023DISPLAY DEVICE - A display device having a display panel including a plurality of data lines; a data driver including at least one data driving circuit chip which transmits data signals to the plurality of data lines; and a signal controller transmitting a dummy control signal and an output image signal to a first data driving circuit chip of at least one data driving circuit chip. The first data driving circuit chip may include zero or more dummy channels which are not connected with the data lines, and the dummy control signal includes information on positions of the dummy channels included in the first data driving circuit chip and information regarding the number of dummy channels.03-06-2014
20140071376LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a liquid crystal panel, a backlight assembly disposed at one side surface of the liquid crystal panel, a side frame including a first surface surrounding an edge of the liquid crystal panel and a second surface surrounding a side surface of the backlight assembly and an external panel attached to another side surface of the liquid crystal panel and on the side frame, in which a height of the first surface of the side frame is substantially equal to a height of a surface of the liquid crystal panel, and a width of the first surface of the side frame is larger than a width of the second surface of the side frame.03-13-2014

Kwang Hyun Cho, Suwon-Si KR

Patent application numberDescriptionPublished
20110128244MOBILE DEVICE AND METHOD FOR OPERATING THE TOUCH PANEL - A mobile device with a touch screen and a method for operating the touch panel are provided. The mobile device includes a touch panel and a controller. The touch panel divides the area into first and second areas, where the size of the first area corresponds to that of a display unit. The controller performs user functions according to touch events that occur on the first and second areas. The mobile device can increase the usable space in the installation of the touch screen. The method can efficiently operate the touch panel of the touch screen.06-02-2011

Kwang Hyun Cho, Daejeon KR

Patent application numberDescriptionPublished
20110082617IMPACT SIGNAL PROCESSOR FOR FRONT IMPACT ACCELERATION SENSOR - The present invention features an impact signal processor. In preferred aspects, the impact signal processor comprises a first speed signal detection unit detecting a first speed signal of a vehicle using acceleration sensor data provided from an ACU (Airbag Control Unit) sensor, a second speed signal detection unit detecting a second speed signal of the vehicle using acceleration sensor data provided from a FIS (Front Impact Sensor) sensor, a phase lead unit, and a front impact speed estimation unit.04-07-2011
20140297274NESTED SEGMENTATION METHOD FOR SPEECH RECOGNITION BASED ON SOUND PROCESSING OF BRAIN - A method of segmenting input speech signal into plurality of frames for speech recognition is disclosed. The method includes extracting a low frequency signal from the speech signal, and segmenting the speech signal into a plurality of time-intervals according to a plurality of instantaneous phase-sections of the low frequency signal.10-02-2014
20140298143SELF-REPARABLE DIGITAL DEVICE FOR MULTIPLE FAULTS BASED ON BIOLOGICAL ATTRACTOR CONCEPTS - Provided is a fault self-repairing circuit sequentially converting an N-bit output value according to a pre-determined schedule and outputting the converted result. The fault self-repairing circuit includes different N logic modules configured to output each bit of the N bits. Here, each of the logic modules includes an internal logic. When the N-bit output value is identical to a pre-determined value, an output value of each of the logic modules is provided by the internal logic, and, when the N-bit output value is not identical to the pre-determined value, the output value of each of the logic modules is provided with a correct value provided outside each of the logic modules.10-02-2014
20150238112NEURONAL RESONANCE MAGNETIC RESONANCE IMAGING METHOD - The present disclosure provides a neuronal resonance-magnetic resonance imaging (NR-MRI) method and technology for measuring a difference between a resting stale and a state of providing external stimuli with respect to various frequency bands by using the NR-MRI scheme through frequency band selection filter characteristic mapping of neurons. In addition, the present disclosure provides technology for revealing a frequency selective communication mechanism between brain regions on the basis of systems biology researches for the frequency selective communication mechanism between the brain regions as well as technology useful for completing proof-of-concept and a frequency selective communication map between the entire brain regions.08-27-2015

Patent applications by Kwang Hyun Cho, Daejeon KR

Kwang Hyun Cho, Seoul KR

Patent application numberDescriptionPublished
20130103497Method of Creating, Cataloging, and Retrieving Commercial Advertising Wiki Pages with Keywords through an Online Software Application - A online software application allows users to create, catalog, and retrieve commercial advertising wiki pages with keywords. The software can be accessed by three kinds of accounts: admin accounts, first tier accounts, and second tier accounts. An admin account is used to manage the first tier accounts and the second tier accounts. The second tier accounts are also managed by the first tier accounts and are used by wholesalers of advertisements and sponsors to create an wiki page. The wiki page is allows the wholesaler to promote its collection of advertisements and sponsors. The software is implemented into common search engines so that a random client of a search engine can click on a link to the wiki page when a random client searches for a specific keyword. The software is used to view, purchase, and manage keywords, each of which is linked to only one wiki page.04-25-2013

Kwang Hyun Choi, Seoul KR

Patent application numberDescriptionPublished
20150078441IMAGE ENCODING AND DECODING APPARATUS, AND IMAGE ENCODING AND DECODING METHOD - According to the present invention, an adaptive scheme is applied to an image encoding apparatus that includes an inter-predictor, an intra-predictor, a transformer, a quantizer, an inverse quantizer, and an inverse transformer, wherein input images are classified into two or more different categories, and two or more modules from among the inter-predictor, the intra-predictor, the transformer, the quantizer, and the inverse quantizer are implemented to perform respective operations in different schemes according to the category to which an input image belongs. Thus, the invention has the advantage of efficiently encoding an image without the loss of important information as compared to a conventional image encoding apparatus which adopts a packaged scheme.03-19-2015
20160073107METHOD AND APPARATUS FOR VIDEO ENCODING/DECODING USING INTRA PREDICTION - The encoding method, according to one embodiment of the present invention, is a video encoding method comprising the steps of: determining an encoding mode of an image block; determining whether a curved-type prediction mode is performed when the encoding mode is an intra prediction; and performing intra encoding according to the whether the curved-shaped prediction has been carried out and the base intra prediction mode.03-10-2016

Kwang Hyun Jang, Yongin-Si KR

Patent application numberDescriptionPublished
20130003220Hard Disk Drive and Method for Controlling Flying Height of Magnetic Head Thereof - There is disclosed a hard disk drive and a method of controlling a flying height of a magnetic head of the hard disk drive. A method of controlling a flying height of the magnetic head in a hard disk drive according to an embodiment of the present invention may include (a) providing a FOD sensitivity through a FOD test; (b) reading a preamble signal of a servo pattern; (c) calculating a flying height of the magnetic head from the preamble signal; and (d) applying FOD power for adapting the flying height of the magnetic head to a target flying height of the magnetic head based on the calculated flying height of the magnetic head and the FOD sensitivity.01-03-2013

Kwang Hyun Kim, Ulsan KR

Patent application numberDescriptionPublished
20160051932METHOD FOR REGENERATING AMMONIUM BICARBONATE SOLUTION IN FORWARD OSMOTIC PRESSURE TYPE WATER TREATMENT APPARATUS AND REGENERATION APPARATUS THEREFOR - According to a method and an apparatus for regenerating an ammonium bicarbonate solution of the present invention, an evaporator, an absorber, and a concentrator, which can separate and concentrate an ammonium bicarbonate solution used as an osmotic solution, are arranged in the type of a tower, so it is possible to prevent precipitation of a salt in the process and continuously regenerate ammonium bicarbonate solution used as an osmotic solution.02-25-2016

Kwang Hyun Kim, Suwon-Si KR

Patent application numberDescriptionPublished
20080198675Semiconductor device including a plurality of memory units and method of testing the same - In a semiconductor device including a plurality of memory units and a method of testing the same, the semiconductor device includes a plurality of memory units each comprising a plurality of input lines; and an input unit configured to provide a plurality of test signals to the input lines, respectively, included in each of the memory units in response to a test enable signal. A data input/output unit can be configured to receive Z-bit data from test equipment and to distribute the Z-bit data to the plurality of memory units in response to the test enable signal, where Z is a natural number. The data input/output unit outputs K-bit data, which are output from each of the plurality of memory units, through data input/output lines included in the plurality of memory units in response to the test enable signal, where K≦Z and K is a natural number.08-21-2008
20160088398SPEAKER APPARATUS AND ELECTRONIC DEVICE HAVING THE SAME - A speaker apparatus and an electronic device having the same are provided. The speaker apparatus includes a hollow shape frame, a magnet disposed in an internal part of the hollow shape frame, a voice coil installed in proximity to the magnet, a diaphragm including a diaphragm edge that vibrates by an electric current applied to the voice coil, and a diaphragm edge compression part extended upward along the diaphragm edge. The diaphragm edge compression part contacts an inner surface of a housing of the electronic device.03-24-2016

Kwang Hyun Kim, Daegu KR

Patent application numberDescriptionPublished
20140117315ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - Discussed is an organic light emitting display device. The organic light emitting display device includes a substrate in which red, green, and blue pixel areas are defined, a first electrode and a first hole transporting layer that are formed on the substrate, first to third emission common layers formed in each of the pixel areas on the first hole transporting layer, and an electron transporting layer and a second electrode that are formed on the third emission common layer. Accordingly, color mixture is prevented, limitations due to a defective mask are overcome, a process is simplified, and the manufacturing cost is saved.05-01-2014
20150187848ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device including a first electrode defined into red, green and blue sub-pixel regions; a hole injection layer disposed on the first electrode; a first hole transport layer disposed on the hole injection layer; first, second and third organic emission layers arranged on the first hole transport layer opposite to the respective red, green and blue sub-pixel regions; an electron transport layer disposed on the first, second and third organic emission layers; and a second electrode disposed on the electron transport layer. The second organic emission layer opposite to the green sub-pixel region is formed in a stacked structure including first and second hole host layers and a dopant host layer.07-02-2015
20150188075ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device is disclosed which includes: a first electrode including red, green and blue sub-pixel regions; a first hole injection layer disposed on the first electrode; a first hole transport layer disposed on the hole injection layer; second, third and fourth hole transport layers arranged on the first hole transport layer corresponding to the red, green and blue regions, respectively; an organic emission layer disposed on the second, third and fourth hole transport layers; an electron transport layer disposed on the organic emission layer; and a second electrode disposed on the electron transport layer, the second, third and fourth hole transport layers each having a hole mobility different from an electron mobility of the electron transport layer.07-02-2015
20150263075METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY DEVICE - A method of manufacturing an organic light emitting display device. The method according to one embodiment includes forming a first electrode over a substrate in which red, green, and blue pixel areas are defined; forming a first hole transporting layer on the first electrode; forming a second hole transporting layer in a position corresponding to the red pixel area; forming a first emission common layer; forming a third hole transporting layer on the first emission common layer in a position corresponding to the green pixel area; forming a second emission common layer; forming a fourth hole transporting layer on the second emission common layer in a position corresponding to the blue pixel area; forming a third emission common layer; forming an electron transporting layer on the third emission common layer; and forming a second electrode on the electron transporting layer.09-17-2015
20150263304ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device including, according to one embodiment, a substrate having first, second, and third pixel areas; a first hole transporting layer on the substrate; a first emission common layer on the first transport layer; a second emission common layer on the first emission common layer; a third emission common layer on the second emission common layer; a second hole transporting layer between the first hole transporting layer and the first emission common layer, the second hole transporting layer disposed on the first pixel area; a third hole transporting layer between the first and second emission common layers, the third hole transporting layer disposed on the second pixel area; and a fourth hole transporting layer between the second and third emission common layers, the fourth hole transporting layer disposed on the third pixel area.09-17-2015

Kwang Hyun Kim, Icheon-Si KR

Patent application numberDescriptionPublished
20130114359INPUT/OUTPUT CIRCUIT AND METHOD OF SEMICONDUCTOR APPARATUS AND SYSTEM WITH THE SAME - A system includes a controller which is capable of operating at one of a first speed and a second speed slower than the first speed; a semiconductor memory apparatus operating at the first speed; and an input/output device which is connected between the semiconductor memory apparatus and the controller, and configured to control input/output of signals between the controller and the semiconductor memory apparatus, wherein the input/output device operates in a normal mode which corresponds to the input/output of the signals between the controller operating at the first speed and the semiconductor memory apparatus and a test mode which corresponds to the input/output of the signals between the controller operating at the second speed and the semiconductor memory apparatus.05-09-2013

Kwang Hyun Kim, Pyeongtaek-Si KR

Patent application numberDescriptionPublished
20140340595TOUCH SENSING APPARATUS USING TOUCH PATTERN WITHOUT INSULATION AND METHOD FOR MANUFACTURING THE SAME - A touch location sensing panel includes a touch detection region in which a plurality of sensing regions are arranged on a single substrate in two columns, an external wire region provided in one outer side surface of the touch detection region, a plurality of transmitting (Tx) electrodes formed in the plurality of the sensing regions, with at least one patch shape, respectively, to sense a location of touch applied to the touch detection region on a second axis, a plurality of receiving (Rx) electrodes electrically separated from the transmitting electrodes in the plurality of the sensing regions and extended along a second axis to cover the transmitting electrodes, to sense a location of the touch on a first axis, and a plurality of internal wires arranged in the same layer with the plurality of the transmitting electrodes and the plurality of the receiving electrodes, and connected to plurality of the transmitting electrodes and the plurality of the receiving electrodes to be extended to the external wire region.11-20-2014
20140340596TOUCH SENSING APPARATUS USING SINGLE LAYER PATTERN AND METHOD FOR MANUFACTURING THE SAME - A touch location sensing panel includes a touch detection region in which a plurality of sensing regions are arranged on a single substrate in two columns, an external wire region provided in an outer portion of the touch detection region, a plurality of transmitting (Tx) electrodes formed in the plurality of the sensing regions, with at least one patch shape, respectively, to sense a location of touch applied to the touch detection region on a second axis, and a plurality of receiving (Rx) electrodes electrically separated from the transmitting electrodes in the plurality of the sensing regions and extended along a second axis to cover the transmitting electrodes, to sense a location of the touch on a first axis.11-20-2014

Kwang Hyun Kim, Seongnam-Si KR

Patent application numberDescriptionPublished
20140351255METHOD AND SYSTEM FOR RECOMMENDING KEYWORD BASED ON SEMANTIC AREA - A method of recommending a keyword includes redefining a semantic area using a search log including location information, and providing a keyword associated with the semantic area to a user located in the semantic area as a recommended keyword.11-27-2014
20160085799METHOD AND SYSTEM FOR CORRECTING ERROR OF KNOWLEDGE INVOLVED QUERY - Provided is a method and system for correcting a knowledge error in a search query. A method of correcting a knowledge error in a search query may include generating a recommended search query for a plurality of domains by combining at least one search term from each of a plurality of vocabulary sets, each of the plurality of vocabulary sets associated with a respective domain, verifying the recommended search query based on a reliability factor of the recommended search query, and generating, for each domain, a knowledge error correction rule for correcting a knowledge error indicating an error of a concept or information, with respect to the verified recommended search query.03-24-2016

Kwang Hyun Lee, Hwaseong-Si KR

Patent application numberDescriptionPublished
20120070111SILICON BASED OPTICAL MODULATORS INCLUDING VERTICAL SLABS AND METHODS OF FORMING - An optical modulator structure can include a core region that comprises an optical transmission path having a refractive index that is modulated via electric charge introduced into the core region. A plurality of first vertical slabs comes into contact with and is spaced along a first side of the core region to provide a first path for the electric charge to/from the core region. A plurality of second vertical slabs come into contact with and is spaced along a second side of the core region, that is opposite to the first side, to provide a second path for the electric charge to/from the core region. Other structures and methods are disclosed.03-22-2012
20120070151Optical Modulators for Generating De-Emphasis Formatted Optical Signals and Methods of Operating the Same - A de-emphasis format signal generator can be configured to combine first and second electrical non-de-emphasis formatted signals provided to first and second optical modulators, coupled in parallel with one another, to provide a combined optical signal having a de-emphasis format. Accordingly, three aspects of a de-emphasis formatted signal, including a de-emphasis delay aspect, a de-emphasis attenuation aspect, and a de-emphasis combining aspect, can provided separately and in different domains (such as in the electrical domain and in the optical domain) which can be combined with one another to provide an output de-emphasis formatted optical signal.03-22-2012
20130330035Semiconductor Package and Semiconductor Device Including the Same - A semiconductor package and a semiconductor device including the same. The semiconductor package includes: a package substrate; a plurality of connection elements that are disposed on the package substrate; and a semiconductor chip that includes at least one optical input/output element that transmits/receives an optical signal to/from the outside at an optical input/output angle with respect to a direction perpendicular to a bottom surface of the package substrate, and is electrically connected to the package substrate through the plurality of connection12-12-2013
20140104472IMAGE SENSORS, IMAGE PROCESSING SYSTEMS INCLUDING SAME, AND METHODS OF OPERATING THE SAME - A method of operating an image sensor includes: generating a pixel signal according to intensity of incident light; and generating a digital pixel signal based on a comparison between the pixel signal and at least one reference current. Accordingly, a current output from a 1T pixel in the image sensor is sensed such that the influence of noise is reduced and a pixel signal is sensed more precisely.04-17-2014
20140263948OPTICAL BIOSENSOR AND BIOSENSING SYSTEM - An optical biosensor is provided. The optical biosensor includes a biosensing unit, a detection unit, and a feedback circuit. The biosensing unit is configured to receive an input optical signal, sense a biomaterial, and generate a sensed optical signal. The detecting unit is configured to convert the sensed optical signal into an electrical signal and output the electrical signal as a detection signal. The feedback circuit is configured to output a feedback signal. The feedback signal is generated based on the detection signal and is changed according to a changed amount of a resonant wavelength of the biosensing unit.09-18-2014
20150061501AMBIENT LIGHT SENSOR AND ELECTRONIC SYSTEM HAVING THE SAME - An ambient light sensor includes a photoelectric conversion unit, a current control unit, a signal conversion unit and a comparison unit. The photoelectric conversion unit provides a photo current having a magnitude corresponding to illuminance of incident light to a first node. The current control unit generates a control current exponentially proportional to an elapse time based on a clock signal, provides the control current to the first node, and outputs a digital code corresponding to the elapse time in response to a reset signal. The signal conversion unit generates a comparison voltage logarithmically proportional to a sum of the photo current and the control current. The comparison unit generates the reset signal by comparing a magnitude of the comparison voltage and a magnitude of a reference voltage. The ambient light sensor generates the digital code effectively representing illuminance of ambient light that eyes of a human being perceives.03-05-2015

Patent applications by Kwang Hyun Lee, Hwaseong-Si KR

Kwang Hyun Lee, Suwon KR

Patent application numberDescriptionPublished
20140001926ASSEMBLING STRUCTURE FOR RESOLVER AND MOTOR ASSEMBLY HAVING THE SAME01-02-2014
20140049129ROTOR FOR INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR AND INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR INCLUDING THE SAME - Disclosed herein is a rotor for an interior permanent magnet synchronous motor, the rotor including: a rotor core having a through-hole formed in an axial direction so that a shaft is press-fitted thereinto, a permanent magnet receiving part formed at an outer peripheral portion thereof in a circumferential direction so that a permanent magnet is inserted thereinto, and slits formed to be adjacent to the permanent magnet receiving part and be extended toward a circumferential end in a radial direction; and at least one permanent magnet inserted into the permanent magnet receiving part.02-20-2014

Kwang Hyun Lee, Hwaseong-Gi KR

Patent application numberDescriptionPublished
20120155888OPTICAL MODULATOR WITH REDUCED SIZE AND OPTICAL TRANSMITTER INCLUDING THE SAME - An optical modulator includes a light input/output unit receiving an incident optical signal which has not been modulated, splitting the incident optical signal into a first optical signal and a second optical signal, and transmitting the first and second optical signals to a first path and a second path, respectively, of an optical waveguide. A phase shifter is positioned in at least one of the first and second paths and modulates a phase of at least one of the first and second optical signals, which have been received through the first and second paths, respectively, in response to an electrical signal. A phase-modulated signal is output. A reflective grating coupler reflects signals respectively received through the first and second paths back along the first and second paths respectively.06-21-2012

Kwang Hyun Lee, Seongnam-Si KR

Patent application numberDescriptionPublished
20080204582Image sensors, interfaces and methods capable of suppressing effects of parasitic capacitances - An interface capable of suppressing parasitic capacitance effects includes an array of switches switched in response to a switching signal. The interface suppresses effects of parasitic capacitance included in a bus, which transmits a reset signal and an image signal output from an image sensor. The suppressed parasitic capacitance effects suppress distortion of a digital image signal.08-28-2008
20120133808CORRELATED DOUBLE SAMPLING CIRCUIT, METHOD THEREOF AND DEVICES HAVING THE SAME - A CDS circuit is provided. The CDS circuit includes a signal compressor which compresses each of a pixel signal and a ramp signal using capacitive dividing and outputs a compressed pixel signal and a compressed ramp signal, and a comparator which compares the compressed pixel signal with the compressed ramp signal and outputs a comparative signal corresponding to a comparison result.05-31-2012
20130009800DUAL-MODE COMPARATOR AND ANALOG TO DIGITAL CONVERTER HAVING THE SAME - A dual-mode comparator may include an object voltage input unit that generates a first current flowing through a first path and a second current flowing through a second path based on a first object voltage and a second object voltage, a current mirror unit that performs a current-mirror operation for the first path and the second path to output a comparison voltage at an output terminal, a bias unit that generates a bias current corresponding to a sum of the first current and the second current, and a mode switching unit that controls the current mirror unit to have a first structure in an auto-zero mode and that controls the current mirror unit to have a second structure in a comparison mode.01-10-2013
20130093910IMAGE SENSOR AND IMAGE PROCESSING APPARATUS INCLUDING THE SAME - An image sensor is disclosed. The image sensor includes a plurality of pixels, a plurality of transmission lines connected to each of the pixels, respectively, and a plurality of comparators configured to compare each of a plurality of control signals transmitted through each of the transmission lines with a reference signal and output a comparative signal based on the result of the comparison.04-18-2013
20130201361Image Sensor and Image Processing Apparatus Using the Same - An image sensor senses object information and converts the sensed object information into an electrical signal. An image processing apparatus uses the image sensor. The image sensor includes a column signal line connected to output terminals of a plurality of pixel sensors, a comparator circuit configured to output a signal corresponding to a comparison result of a signal output to the column signal line and a reference signal, an ADC circuit configured to convert an analog signal corresponding to an optical signal sensed by the pixel sensor selected from the plurality of pixel sensors connected to the column signal line into digital data based on the signal output from the comparator circuit and, a load circuit connected in series to the comparator circuit between the column signal line and a ground terminal, wherein the load circuit is configured as a common load device of the plurality of pixel sensors connected to the column signal line and the comparator circuit.08-08-2013
20140103192BINARY CMOS IMAGE SENSORS, METHODS OF OPERATING SAME, AND IMAGE PROCESSING SYSTEMS INCLUDING SAME - A binary complementary metal-oxide-semiconductor (CMOS) image sensor includes a pixel array and a readout circuit. The pixel array includes at least one pixel having a plurality of sub-pixels. The readout circuit is configured to quantize a pixel signal output from the pixel using a reference signal. The pixel signal corresponds to sub-pixel signals output from sub-pixels, from among the plurality of sub-pixels, activated in response to incident light.04-17-2014
20140103401IMAGE SENSOR - An image sensor is provided. The image sensor includes a well of a second conductivity type formed on an impurity layer of a first conductivity type, source and drain regions of the first conductivity type, formed in the well to be spaced apart from each other, a first photo diode of the first conductivity type formed in the well to overlap the source and drain regions, a second photo diode of the first conductivity type formed so as not to overlap the source and drain regions and formed to be adjacent to the first photo diode, and a gate electrode formed on the first and second photo diodes.04-17-2014
20140103413CMOS IMAGE SENSORS WITH PHOTOGATE STRUCTURES AND SENSING TRANSISTORS, OPERATION METHODS THEREOF, AND IMAGE PROCESSING SYSTEMS INCLUDING THE SAME - ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage.04-17-2014
20140104452SUB-PIXELS, IMAGE SENSORS HAVING THE SAME AND IMAGE SENSING SYSTEMS - A sub pixel includes a photodetector and a column line output circuit. The photodetector is configured to output an electrical signal based on a detected amount of photons. The column line output circuit is configured to generate an output signal based on the electrical signal. The output signal is one of a current from a current source and a comparison signal indicative of binary output data.04-17-2014
20140104469IMAGE SENSORS, IMAGE PROCESSING SYSTEMS INCLUDING THE SAME, AND METHODS OF OPERATING IMAGE PROCESSING SYSTEM - An image sensor includes a pixel array and a row driver block. The pixel array includes a plurality of subpixel groups, each including a plurality of subpixels. Each of the plurality of subpixels is configured to generate a subpixel signal corresponding to photocharge accumulated in response to a photon. The row driver block is configured to generate a first control signal to control the subpixels included in each of the plurality of subpixel groups to accumulate the photocharge in parallel from a first time point to a second time point.04-17-2014
20140104473IMAGE SENSOR CHIPS - An image sensor chip includes a first wafer and a second wafer. The first wafer includes an image sensor having a plurality of sub-pixels, each of which is configured to detect at least one photon and output a sub-pixel signal according to a result of the detection. The image processor is configured to process sub-pixel signals for each sub-pixel and generate image data. The first wafer and the second wafer are formed in a wafer stack structure.04-17-2014
20140333813CORRELATED DOUBLE SAMPLING CIRCUIT, METHOD THEREOF AND DEVICES HAVING THE SAME - A CDS circuit includes first capacitors; second capacitors; and a switch arrangement which, in response to a switch control signal, connects the first capacitors in series between a pixel signal output node and a ground to compress the pixel signal and connects the second capacitors in series between a ramp signal output node and the ground to compress the ramp signal, or connects the first capacitors in parallel between the pixel signal output node and a first input node of the comparator and connects the second capacitors in parallel between the ramp signal output node and a second input node of the comparator.11-13-2014
20150034803IMAGE SENSOR AND METHOD OF DRIVING THE SAME - Provided are an image sensor and a method of driving the same. The image sensor includes n optical black pixels which are arranged in the same horizontal line; and m comparators which are matched with the n optical black pixels, wherein n is a natural number greater than or equal to two, and m is a natural number greater than n.02-05-2015
20150049230IMAGE SENSOR AND METHOD OF OPERATING THE SAME - A method of operating an image sensor includes generating a plurality of sub pixel signals using a sub pixel group. The sub pixel group includes a plurality of sub pixels and corresponds to a single pixel. The method further includes generating a pixel signal having a plurality of bits based on a result of comparing the sub pixel signals with a reference voltage. Each of the sub pixels is a 1-transistor (1T) pixel that detects at least one photogenerated charge and includes only one transistor.02-19-2015
20150062397IMAGE SENSOR FOR SUPPLYING A DIFFERENT VOLTAGE TO PIXELS BASED ON ILLUMINATION CHANGE, OPERATION METHOD THEREOF, AND DEVICE HAVING AN IMAGE SENSOR - An image sensor includes a pixel array including a plurality of pixels, a row driver configured to control an operation of each of the plurality of pixels, a voltage supply line connected to a reset transistor included in each of the plurality of pixels, and a voltage supply circuit which detects a signal from the voltage supply line and supplies one of a first voltage and a second voltage to the voltage supply line based on the signal from the voltage supply line.03-05-2015
20150189209CORRELATED DOUBLE SAMPLING CIRCUIT, ANALOG TO DIGITAL CONVERTER AND IMAGE SENSOR INCLUDING THE SAME - An image sensor includes a sampling circuit, which is responsive to ramp and input signals provided by a pixel array. The sampling circuit is configured to perform a correlated double sampling (CDS) operation on a reset component of the input signal and an image component of the input signal. A reset circuit is also provided, which is configured to reset an output signal generated by the sampling circuit to a first level in response to a reset control signal. This reset control signal can be active during at least one of a first reset interval and a second reset interval. The first reset interval precedes a first comparison interval during which a first comparison operation is performed on the ramp signal and the reset component. The second reset interval precedes a second comparison interval during which a second comparison operation is performed on the ramp signal and the image component.07-02-2015
20150195463IMAGE SENSOR - An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.07-09-2015
20150237274CORRELATED DOUBLE SAMPLING CIRCUIT AND IMAGE SENSOR INCLUDING THE SAME - A correlated double sampling (CDS) circuit may include a sampling circuit and a switching circuit. The CDS circuit may perform a CDS operation on a reset component of an input signal and an image component of the input signal based on a ramp signal, and the CDS circuit may generate an output signal. The switching circuit may include an auto-zero switch that connects a first input terminal receiving the input signal to an output node in response to an auto-zero control signal during an auto-zero interval. The switching circuit may connect a first terminal of the auto-zero switch to a reference voltage in order to cutoff a leakage current flowing to the auto-zero switch in response to a first boosting control signal during a first comparison interval and a second comparison interval. The output signal may be provided at the output node.08-20-2015
20150312461IMAGE SENSOR INCLUDING A PIXEL HAVING PHOTOELECTRIC CONVERSION ELEMENTS AND IMAGE PROCESSING DEVICE HAVING THE IMAGE SENSOR - An image sensor according to an example embodiment concepts includes a pixel array including pixels, and each of the pixels includes photoelectric conversion elements. The photoelectric conversion elements independently operating to detect a phase difference. The image sensor further includes a control circuit configured to independently control exposure times of each of the photoelectric conversion elements included in each of the pixels.10-29-2015
20160028977CMOS IMAGE SENSORS WITH PHOTOGATE STRUCTURES AND SENSING TRANSISTORS, OPERATION METHODS THEREOF, AND IMAGE PROCESSING SYSTEMS INCLUDING THE SAME - ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage.01-28-2016
20160037065IMAGE SENSOR AND IMAGE PROCESSING APPARATUS USING THE SAME - An image sensor senses object information and converts the sensed object information into an electrical signal. An image processing apparatus uses the image sensor. The image sensor includes a column signal line connected to output terminals of a plurality of pixel sensors, a comparator circuit configured to output a signal corresponding to a comparison result of a signal output to the column signal line and a reference signal, an ADC circuit configured to convert an analog signal corresponding to an optical signal sensed by the pixel sensor selected from the plurality of pixel sensors connected to the column signal line into digital data based on the signal output from the comparator circuit and, a load circuit connected in series to the comparator circuit between the column signal line and a ground terminal, wherein the load circuit is configured as a common load device of the plurality of pixel sensors connected to the column signal line and the comparator circuit.02-04-2016

Patent applications by Kwang Hyun Lee, Seongnam-Si KR

Kwang Hyun Lee, Gyunggi-Do KR

Patent application numberDescriptionPublished
20130278106ROTOR ASSEMBLY - According to a preferred embodiment of the present invention, in a structure in which a permanent magnet is embedded radially outwardly from a rotor portion, a pair of permanent magnets is embedded in a V-letter shape and a slit in a longitudinal direction is radially formed between the pair of permanent magnets. According to the preferred embodiment of the present invention, it is possible to implement relatively higher torque performance while minimizing the number of permanent magnets embedded in an interior permanent synchronous machine (IPMSM).10-24-2013

Kwang Hyun Nam, Uiwang-Si KR

Patent application numberDescriptionPublished
20100201582In-mold type RF antenna, device including the same, and associated methods - An in-mold type RF antenna, a device including the same, and associated methods, a method including stacking a copper foil on a base film, forming an antenna film by processing the copper foil to form an RF antenna pattern thereon, the antenna film being configured to be accommodated in a case of a device, disposing the antenna film in a mold for forming the case of the device, and forming the case having the antenna film integrally formed therewith by injecting a resin into the mold.08-12-2010

Kwang Hyun Park, Jeollabuk-Do KR

Patent application numberDescriptionPublished
20090306006USE OF NICOTINIC ACID ADENINE DINUCLEOTIDE PHOSPHATE OR DERIVATIVE THEREOF AS AGENT FOR TREATING TYPE-2 DIABETES - Nicotinic acid adenine dinucleotide phosphate and a pharmaceutically acceptable derivative thereof are useful for the treatment of type-2 diabetes.12-10-2009

Kwang Hyun Ryu, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20140234583INORGANIC PARTICLE SCATTERING FILM HAVING A GOOD LIGHT-EXTRACTION PERFORMANCE - Disclosed are an inorganic fine particle scattering film and a manufacturing method thereof, wherein an inorganic fine particle layer comprising pores is formed on a light emitting device interface or a transparent substrate so as to achieve a high light extraction effect through a light scattering effect, and a planarizing layer is formed on the inorganic fine particle layer so as to show a high flatness and a high hardness. The disclosed inorganic fine particle scattering film is excellent in a light extraction effect, flatness and hardness and thus can be applied in the various fields such as an image display device, a lighting element, a solar cell.08-21-2014
20150299628Composition for Removing and Preventing Formation of Oxide on the Surface of Metal Wire - The present invention proposes a method for removing an oxide formed on the surface of a copper film used in the process of manufacturing a circuit for a semiconductor, an organic light-emitting diode, an LED, or a liquid crystal display without causing corrosion on a lower metal film. The composition including corrosive amine may remove a metal oxide depending on the content of additive ranging from 0.01 to 10% regardless of the content of ultrapure water. A polar solvent other than the corrosive amine may efficiently remove an oxide from the surface of the metal when the same contains water and 0.01 to 20% of the additive.10-22-2015

Kwang Hyun Shim, Daejeon-Si KR

Patent application numberDescriptionPublished
20130088575METHOD AND APPARATUS FOR OBTAINING DEPTH INFORMATION USING OPTICAL PATTERN - Provided is an apparatus and method for obtaining depth information using an optical pattern. The apparatus for obtaining depth information using the optical pattern may include: a pattern projector to generate the optical pattern using a light source and an optical pattern projection element (OPPE), and to project the optical pattern towards an object area, the OPPE comprising a pattern that includes a plurality of pattern descriptors; an image obtaining unit to obtain an input image by photographing the object area; and a depth information obtaining unit to measure a change in a position of at least one of the plurality of pattern descriptors in the input image, and to obtain depth information of the input image based on the change in the position.04-11-2013

Kwang Hyun Shin, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20080226738Sustained-Released Pellet Formulation of Alpha1-Receptor Antagonist and Process For the Preparation Thereof - A sustained-release pellet formulation comprising: a pellet core comprising an α1-receptor antagonist, a pellet-forming substance and a pharmaceutically acceptable excipient and a coating layer comprising an enteric coating substance and a water-insoluble polymer, which is coated on said pellet core maintains a therapeutically effective drug level in the blood for a sufficient time without an initial burst and sustains the release of the drug even in the small intestine due to the water-insoluble polymer in the coating layer09-18-2008
20110217371CONTROLLED-RELEASE MICROPARTICLES AND METHOD OF PREPARING SAME - Disclosed is a controlled-release microparticle: including a matrix comprising a pharmacologically active component; and a controlled-release layer comprising a substance which forms a controlled-release stratum on the matrix. The disclosed controlled-release microparticle not only allows effective dual release control of a drug but can also exhibit outstanding dissolution characteristics even when a small amount of coating substance is used.09-08-2011

Patent applications by Kwang Hyun Shin, Gyeonggi-Do KR

Kwang Hyun Shin, Paldal-Gu KR

Patent application numberDescriptionPublished
20100098759CONTROLLED-RELEASE PREPARATION CONTAINING CILOSTAZOL AND PROCESS FOR THE PREPARATION THEREOF - The present invention relates to a controlled-release formulation comprising cilostazol and a method for preparing said formulation. The inventive controlled-release formulation comprising cilostazol or a pharmaceutically acceptable salt thereof, a solubilizing agent, a swelling agent, a swell-controlling agent and a gas generating material has advantages in that it maintains a constant cilostazol level in the blood through a slow release while it resides in the stomach and intestines over a long period of time, thereby increasing the absorption of cilostazol in the small intestine, the major absorption site of cilostazol, as well as minimizing adverse effects caused by rapid release and making it easy for a patient to take the drug.04-22-2010

Kwang Hyun Yoo, Gunpo-Si KR

Patent application numberDescriptionPublished
20110160956CAR CONNECTED TO AT LEAST ONE TRAILER AND BACKWARD MOTION CONTROL METHOD - A car connected to at least one trailer and backward motion control method are provided. The car includes a driving part controlling a velocity and a direction of the car, a backward-motion control terminal outputting a first backward-motion control signal corresponding to a backward velocity and a backward direction of the last trailer according to a user's operation, a control signal converter converting the first backward-motion control signal to a second backward-motion control signal which corresponds to a backward velocity and a backward direction of the car and makes the last trailer move backward as the backward velocity and the backward direction corresponding to the first backward-motion control signal, and a backward-motion controller controlling the driving part on the basis of the second backward-motion control signal so that the last trailer moves backward by the backward velocity and the backward direction corresponding to the first backward-motion controlling signal.06-30-2011

Kwang Hyun Yun, Icheon-Si KR

Patent application numberDescriptionPublished
20080206957Method of Forming Isolation Layer of Semiconductor Memory Device - The present invention relates to a method of forming an isolation layer of a semiconductor memory device. After a trench is formed by etching a semiconductor substrate, a liner insulating film is formed from a DCS-HTO material having a similar wet etch rate to that of a PSZ film that gap fills an isolation layer, and the trench is gap filled with the PSZ film. Accordingly, in a subsequent etch process for EFH control of the isolation layer, residues do not remain on sidewalls of a conductive film for a floating gate, thereby improving electrical properties of devices.08-28-2008
20080242047METHOD OF FORMING ISOLATION STRUCTURE OF SEMICONDUCTOR MEMORY DEVICE - The present invention relates to a method of forming isolation layers of a semiconductor memory device. According to a method of forming isolation layers of a semiconductor memory device in accordance with an aspect of the present invention, a tunnel dielectric layer, a conductive layer for a floating gate, a buffer oxide layer, and a pad nitride layer are sequentially formed over a semiconductor substrate. A trench is formed by selectively etching the pad nitride layer, the buffer oxide layer, the conductive layer for the floating gate, the tunnel dielectric layer, and the semiconductor substrate. The trench is gap-filled by forming a dielectric layer over the entire structure including the trench. A curing process is performed using a pre-heated curing gas. A height of the isolation layers is controlled by performing a cleaning process.10-02-2008

Kwang Hyun Yun, Daegu KR

Patent application numberDescriptionPublished
20100297826Method of Manufacturing Nonvolatile Memory Device - In one embodiment of a method of manufacturing a nonvolatile memory device, a tunnel insulating layer and a charge trap layer are first formed over a semiconductor substrate that defines active regions and isolation regions. The tunnel insulating layer, the charge trap layer, and the semiconductor substrate formed in the isolation regions are etched to form trenches for isolation in the respective isolation regions. The trenches for isolation are filled with an insulating layer to form isolation layers in the respective trenches. A lower passivation layer is formed over an entire surface including top surfaces of the isolation layers. A first oxide layer is formed over an entire surface including the lower passivation layer. Meta-stable bond structures within the lower passivation layer are removed. A nitride layer, a second oxide layer, and an upper passivation layer are sequentially formed over an entire surface including the first oxide layer.11-25-2010
20110244648Method of Manufacturing Nonvolatile Memory Device - In one embodiment of a method of manufacturing a nonvolatile memory device, a tunnel insulating layer and a charge trap layer are first formed over a semiconductor substrate that defines active regions and isolation regions. The tunnel insulating layer, the charge trap layer, and the semiconductor substrate formed in the isolation regions are etched to form trenches for isolation in the respective isolation regions. The trenches for isolation are filled with an insulating layer to form isolation layers in the respective trenches. A lower passivation layer is formed over an entire surface including top surfaces of the isolation layers. A first oxide layer is formed over an entire surface including the lower passivation layer. Meta-stable bond structures within the lower passivation layer are changed to stable bonds. A nitride layer, a second oxide layer, and an upper passivation layer are sequentially formed over an entire surface including the first oxide layer.10-06-2011

Kwang-Hyun Baek, Daejeon KR

Patent application numberDescriptionPublished
20140207557ONLINE BARTERING SERVICE - The disclosure is related to providing an online bartering service. The online bartering service may include registering a trading coupon of first user equipment in response to a registration request from the first user equipment, providing information on a list of candidate coupons to the first user equipment based on information on the trading coupon of the first user equipment, receiving a trading offer message with information on a selected candidate coupon from the first user equipment and transmitting the trading offer message to second user equipment having the selected candidate coupon, and automatically processing a difference between the trading coupon and the selected candidate coupon in connection with associated virtual accounts upon receiving a trading acceptance message from the second user equipment.07-24-2014

Kwang-Hyun Baek, Anseong-Si KR

Patent application numberDescriptionPublished
20130099006ANTENNA-PRINTED CIRCUIT BOARD PACKAGE - An antenna-printed circuit board (PCB) package is provided. The antenna-PCB package includes a PCB; an antenna portion formed on an upper surface of the PCB and inside the PCB; and a radio frequency integrated circuit (RFIC) chip bonded to a lower surface of the PCB.04-25-2013
20130099389MULTILAYERED CIRCUIT TYPE ANTENNA PACKAGE - A multilayered antenna package including: a radio frequency integrated circuit (RFIC) interface layer that is configured to transmit a radio frequency (RF) signal; a first dielectric layer that is disposed on the RFIC interface layer; a coplanar waveguide layer that is disposed on the first dielectric layer and is configured to receive the RF signal transmitted by RFIC layer; a second dielectric layer disposed on the coplanar waveguide layer; and an antenna portion that is disposed on the second dielectric layer and is configured to irradiate a signal that is transmitted from the coplanar waveguide layer.04-25-2013
20140125526MULTIBAND ANTENNA AND ELECTRONIC APPARATUS HAVING THE SAME - A multiband antenna apparatus and an electronic apparatus having the multiband antenna apparatus are provided. The multiband antenna apparatus includes: a low frequency antenna which transmits and receives at least one low frequency band signal; and a high frequency antenna which transmits and receives at least one high frequency band signal, wherein the low frequency antenna includes a single wing part which emits an electric wave.05-08-2014
20140125541END FIRE ANTENNA APPARATUS AND ELECTRONIC APPARATUS HAVING THE SAME - An end fire antenna apparatus built in an electronic apparatus includes a printed circuit board (PCB), at least one main antenna built in the PCB and configured to radiate a radio wave, and a ground plate disposed on a side surface of the PCB, the ground plate being electrically isolated from the at least one main antenna. The at least one main antenna has a pillar shape uniformly extending along a thickness direction of the PCB.05-08-2014
20140285378ANTENNA, USER TERMINAL APPARATUS, AND METHOD OF CONTROLLING ANTENNA - An antenna is provided. The antenna includes a first radiator, a second radiator, a current feeder configured to supply power to at least one of the first radiator and the second radiator, and an adjuster configured to adjust transceiving directions of electromagnetic waves transmitted and received to and from the first radiator and the second radiator to be perpendicular to each other.09-25-2014
20140313096ANTENNA AND EMISSION FILTER - An antenna and emission filter are provided. The antenna includes a substrate; an emitter on a substrate wherein the emitter is configured to emit electromagnetic signals; a feeding portion connected to the emitter; and an emission filter comprising a plurality of emission filter cells formed on the substrate in order to filter a surface wave caused by the emitter, wherein each of the plurality of emission filter cells comprises an inductor pattern portion electrically connected with an adjacent emission filter cell to form an inductor; and a capacitor pattern portion distanced from the adjacent emission cell to form a capacitor.10-23-2014
20160043470Antenna Device - According to various embodiments, an antenna device may include: a board unit; a power feeding unit provided in the board unit; and radiation units connected to the power feeding unit to be fed with a power feeding signal. The radiation units may be provided to face each other within a width of the board unit along a periphery of the board unit. The device as described above may be implemented more variously according to embodiments.02-11-2016
20160087348ANTENNA DEVICE AND METHOD FOR OPERATION OF THE SAME - Provided are an antenna device and a method for operating the antenna device. The antenna device includes a horizontal polarization antenna implemented on a first layer in a multi-layer circuit board and a vertical polarization antenna implemented on a plurality of second layers that are different from the first layer in the multi-layer circuit board, in which the horizontal polarization antenna and the vertical polarization antenna are stacked spaced apart from each other at an edge of a side of the multi-layer circuit board. The antenna device and the method for operating the antenna device may be implemented variously according to embodiments.03-24-2016

Patent applications by Kwang-Hyun Baek, Anseong-Si KR

Kwang-Hyun Chang, Daejeon KR

Patent application numberDescriptionPublished
20130302238CONTINUOUS MANUFACTURING APPARATUS AND METHOD FOR CARBON NANOTUBES HAVING GAS SEPARATION UNITS - The present invention relates to a continuous manufacturing apparatus for a carbon nanotube having gas separation units and a continuous manufacturing method for a carbon nanotube using the same, and more specifically, to a continuous manufacturing apparatus for a carbon nanotube having gas separation units and a continuous manufacturing method for a carbon nanotube using the same, in which the apparatus includes i) a reactor for synthesizing the carbon nanotube; ii) a separator for separating a mixed gas and the carbon nanotube transferred from the reactor; iii) a gas separation unit including more than one polymer membrane for removing in part or in whole of more than one component gas from the mixed gas separated; and iv) a recirculation pipe for recirculating the mixed gas without in part or in whole of the component gas to the reactor of carbon nanotube. According to the present invention, the present invention has an effect to provide the continuous manufacturing apparatus of the carbon nanotube and continuous manufacturing method using the same, in which it makes possible to perform a rapid processing; has excellent productivity and excellent conversion rate of carbon source; can significantly reduce the cost of production; can reduce energy consumption because a reactor size can be decreased as compared with capacity; and has a gas separation unit that not generate a waste gas.11-14-2013
20130315813APPARATUS AND METHOD FOR CONTINUOUSLY PRODUCING CARBON NANOTUBES - Disclosed are an apparatus and method for continuously producing carbon nanotubes. More specifically, disclosed are an apparatus for continuously producing carbon nanotubes including i) a reactor to synthesize carbon nanotubes, ii) a separator to separate a mixed gas from the carbon nanotubes transferred from the reactor, iii) a filter to remove all or part of one or more component gases from the separated mixed gas, and iv) a recirculation pipe to recirculate the filtered mixed gas to the reactor for carbon nanotubes.11-28-2013
20130336875APPARATUS AND METHOD FOR CONTINUOUSLY PRODUCING CARBON NANOTUBES - Disclosed are an apparatus and method for continuously producing carbon nanotubes. More specifically, disclosed are an apparatus for continuously producing carbon nanotubes including i) a reactor to synthesize carbon nanotubes, ii) a separator to separate a mixed gas from the carbon nanotubes transferred from the reactor, iii) a filter to remove all or part of one or more component gases from the separated mixed gas, and iv) a recirculation pipe to recirculate the filtered mixed gas to the reactor for carbon nanotubes.12-19-2013
20140127123APPARATUS AND METHOD FOR CONTINUOUSLY PRODUCING CARBON NANOTUBES - Disclosed are an apparatus and method for continuously producing carbon nanotubes. More specifically, disclosed are an apparatus for continuously producing carbon nanotubes including i) a reactor to synthesize carbon nanotubes, ii) a separator to separate a mixed gas from the carbon nanotubes transferred from the reactor, iii) a filter to remove all or part of one or more component gases from the separated mixed gas, and iv) a recirculation pipe to recirculate the filtered mixed gas to the reactor for carbon nanotubes.05-08-2014
20150202585CONTINUOUS MANUFACTURING APPARATUS AND METHOD FOR CARBON NANOTUBES HAVING GAS SEPARATION UNITS - The present invention relates to a continuous manufacturing apparatus for a carbon nanotube having gas separation units and a continuous manufacturing method for a carbon nanotube using the same. According to the present invention, the present invention has an effect to provide the continuous manufacturing apparatus of the carbon nanotube and continuous manufacturing method using the same, in which it makes possible to perform a rapid processing; has excellent productivity and excellent conversion rate of carbon source; can significantly reduce the cost of production; can reduce energy consumption because a reactor size can be decreased as compared with capacity; and a gas separation unit that not generate a waste gas.07-23-2015

Patent applications by Kwang-Hyun Chang, Daejeon KR

Kwang-Hyun Jung, Incheon-City KR

Patent application numberDescriptionPublished
20090113652WIPER DRIVING APPARATUS FOR AUTOMOBILE - Provided is a wiper driving apparatus for an automobile. The wiper driving apparatus includes: a housing; a driving motor; a worm wheel installed in the housing to be rotated by the driving motor, connected to a wiper arm, and having protrusions formed on a surface thereof; and a clutch member eccentric with respect to the center of the worm wheel to be rotatably installed in the housing such that power supply to the driving motor is selectively turned on or off according to the position of the rotating clutch member relative to the housing, wherein the clutch member has an engagement unit which is caught by the protrusions of the worm wheel when the worm wheel is rotated in a first direction, and is not caught by the protrusions of the worm wheel when the worm wheel is rotated in a second direction. Accordingly, the wiper driving apparatus enables the clutch member to be disposed within the radius of rotation of protrusions without deviating from its normal track although the protrusions are rotated in a reverse direction.05-07-2009

Kwang-Hyun Lee, Hwasung-City KR

Patent application numberDescriptionPublished
20140055838PHOTONIC DEVICE - A photonic device is provided. The photonic device includes: a semiconductor layer including first and second regions; an insulating layer covering the semiconductor layer; and first and second plugs extending to pass through the insulating layer and electrically connected to the corresponding first and second regions. The first plug is in a rectifying contact with the first region, and the second plug is in an ohmic contact with the second region.02-27-2014

Kwang-Hyun Lee, Suwon-Si KR

Patent application numberDescriptionPublished
20120099813Phase Shifter and Electro-Optic Modulation Device Including the Same - A phase shifter includes an optical waveguide, a plurality of impurity regions and a plurality of electrodes. The optical waveguide receives an optical input signal and outputs an optical output signal. The impurity regions include respective charge carriers. The impurity regions are disposed in contact with the optical waveguide at respective contact surface, where at least one of the contact surfaces has a zigzag pattern. The electrodes are connected to the respective impurity regions. Application of an electrical signal to at least one of the electrodes phase-shifts the optical output signal with respect to the optical input signal. Therefore, the phase shifter may efficiently vary a magnitude of the phase shift of the optical output signal.04-26-2012
20140183994HOUSING CORE INDUCTOR AND MOTOR ASSEMBLY USING THE SAME - Disclosed herein are a housing core inductor and a motor assembly using the same. The housing core inductor includes: a housing core formed by stacking a plurality of plate bodies on a lower surface of a housing body of a housing of a motor assembly, each of the plurality of plate bodies including a central portion provided with a through-hole through which a shaft penetrates and a plurality of arms extended from the central portion in a radial direction to form a plurality of space parts; and a coil wound around the plurality of arms of the housing core.07-03-2014
20160026205POWER CONVERSION MODE CONTROL APPARATUS AND METHOD OF BI-DIRECTIONAL DC-DC CONVERTER AND BI-DIRECTIONAL DC-DC CONVERTING APPARATUS INCLUDING POWER CONVERSION MODE CONTROL APPARATUS - There are provided a power conversion mode control apparatus of a bi-directional DC-DC converter including: a controlling unit determining an overall reference current so as to perform a power conversion from a side in which an actual voltage is relatively larger than a reference voltage to a side in which the actual voltage is relatively smaller than the reference voltage by comparing a voltage error of low voltage side and a voltage error of high voltage side with each other; and a duty command generating unit generating duty command based on a difference between the overall reference current and a current of low voltage side and providing the duty command to the bi-directional DC-DC converter.01-28-2016

Patent applications by Kwang-Hyun Lee, Suwon-Si KR

Kwang-Hyun Lee, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100093370METHOD FOR CONFIRMING A READING POSITION USING A SHORT MESSAGE SERVICE MESSAGE AND SYSTEM FOR PERFORMING THE SAME - A method for confirming an SMS message reading position and a system for performing the method are disclosed. A reading-position confirmation terminal device includes a display part, a wireless circuit part and a control part. The wireless circuit part sets a communication channel with a mobile communication network system. The control part transmits an SMS message and information requesting a reading time and a reading position in accordance with a reading the SMS message through the wireless circuit part, and displays the reading time and the reading position to the display part when a time and a position in accordance with a reading of the SMS message by a user of a receiving mobile phone. Therefore, a transmitting mobile phone may confirm a reading position of the corresponding SMS message, so that the position of the SMS message receiving side may be easily checked by the transmitting mobile phone.04-15-2010

Kwang-Hyun Lee, Seoul KR

Patent application numberDescriptionPublished
20090212827Correlated double sampling circuit - A correlated double sampling circuit includes a first capacitor and a comparator. The first capacitor may be configured to receive a ramp signal via a first end. The comparator may be configured to receive the ramp signal and an output signal of a unit pixel circuit via a differential amplifier included in the comparator. The comparator may be also be configured to compare the output signal with the ramp signal and may be configured to directly receive the output signal of the unit pixel circuit at a first input terminal of the differential amplifier. A second input terminal of the differential amplifier is connected to a second end of the first capacitor.08-27-2009
20120162949DISPLAY APPARATUS - Provided herein is a display apparatus including a hinge having a coupling part coupled to a panel and a body part connected to the coupling part, a stand neck coupled to the body part, a main base having a fixing part, to which the hinge and the stand neck are fixed, a main board including a power board and a signal board connected to each other so as to form a two-layer stacked structure so that the power board and the signal board are mounted in a space of the main base as a single module, and a cover assembly including a middle cover to accommodate the main base, the middle cover being provided with a mounting part corresponding to the fixing part.06-28-2012
20130026454PhotoSensor And Photodiode Therefor - According to example embodiments, a photodiode includes a photoelectric layer on a first electrode, a second electrode on the photoelectric layer, and a first phosphorescence layer on the second electrode.01-31-2013
20140123138HYPERVISOR-BASED SERVER DUPLICATION SYSTEM AND METHOD AND STORAGE MEDIUM STORING SERVER DUPLICATION COMPUTER PROGRAM - Disclosed herein are a server duplication system and method and a storage medium storing a server duplication computer program. The server duplication system includes a primary server including a hypervisor including a hypervisor-based fault tolerance module and a first file system virtual machine (FS VM), and a first standby server including a hypervisor including a hypervisor-based fault tolerance module that exchanges data with a fault tolerance module provided on the hypervisor of the primary server and duplicates the primary server. The first FS VM provides a first file system that is shared by a user virtual machine (USER VM), and a buffer cache that is used in conjunction with the first file system is provided on virtual memory. The first FS VM is duplicated into the standby server using the hypervisor-based fault tolerance module of the primary server and the hypervisor-based fault tolerance module of the standby server.05-01-2014
20150074447CLUSTER SYSTEM AND METHOD FOR PROVIDING SERVICE AVAILABILITY IN CLUSTER SYSTEM - Provided is a cluster system including a first physical server having registered therein an active virtual machine; and a plurality of physical servers, wherein the plurality of physical servers comprises a second physical server having registered therein a standby virtual machine corresponding to the active virtual machine, the active virtual machine failing over to the standby virtual machine when a failure occurs in the first physical server, wherein each of the plurality of physical servers stores post-failure registration information when the failure occurs, wherein the post-failure registration information associates the active virtual machine with a physical server among the plurality of physical servers, and wherein the physical server is different from the second physical server.03-12-2015
20150178119HYPERVISOR-BASED SERVER DUPLICATION SYSTEM AND METHOD AND STORAGE MEDIUM STORING SERVER DUPLICATION COMPUTER PROGRAM - Disclosed herein are a server duplication system and method and a storage medium storing a server duplication computer program. The server duplication system includes a primary server including a hypervisor including a hypervisor-based fault tolerance module and a first file system virtual machine (FS VM), and a first standby server including a hypervisor including a hypervisor-based fault tolerance module that exchanges data with a fault tolerance module provided on the hypervisor of the primary server and duplicates the primary server. The first FS VM provides a first file system that is shared by a user virtual machine (USER VM), and a buffer cache that is used in conjunction with the first file system is provided on virtual memory. The first FS VM is duplicated into the standby server using the hypervisor-based fault tolerance module of the primary server and the hypervisor-based fault tolerance module of the standby server.06-25-2015
20150189061DUMMY TERMINAL AND MAIN BODY - Provided are a dummy terminal and a main body using wireless communication. The dummy terminal obtains speech information from a user, receives at least one of video information and audio information from the main body through short-distance wireless communication, transmits the obtained speech information to the main body, and changes at least one of the received video information and audio information to output the changed information through a display unit and/or a speaker unit.07-02-2015
20160066125SHORT-RANGE WIRELESS COMMUNICATION NODE DEVICE AND METHOD FOR ALARMING ON THE NODE DEVICE ASSEMBLING STATE - A wireless communication node device is provided. The node device includes a network adaptor configured to perform short-range wireless communication, a channel manager configured to receive channel setting information comprising information about channel member nodes through the network adaptor, and to store the received channel setting information, a channel state manager configured to update a channel state table which indicates that the node device is connected to another node device, in response to the node device being connected to the other node device through the network adaptor, and to propagate the updated connection state table via the network adaptor, and an alarm controller configured to verify a connection state between the channel member nodes by analyzing the connection state table, and to generate an alarm control signal based on the verified connection state.03-03-2016

Patent applications by Kwang-Hyun Lee, Seoul KR

Kwang-Hyun Park, Jeonju-Si KR

Patent application numberDescriptionPublished
20120189607METHOD OF REGULATING FERTILIZING ABILITY USING CYCLIC ADP-RIBOSE AND CD38 - The present invention relates to a pharmaceutical composition for promoting fertilization comprising cyclic ADP-ribose or its derivative, CD07-26-2012
20130123142COMPOSITION FOR PREVENTING OR TREATING DIABETES COMPRISING NAD GLYCOHYDROLASE INHIBITOR AS ACTIVE INGREDIENT - The present invention provides a composition for preventing or treating diabetes, comprising an NAD glycohydrolase (NADase) inhibitor as an active ingredient. The NAD glycohydrolase (NADase) inhibitor according to the present invention has the effect of reducing blood glucose levels and promoting insulin secretion and thus can be effectively used as a therapeutic agent for diabetes, particularly type II diabetes.05-16-2013
20130137177PHARMACEUTICAL OR COSMETIC COMPOSITION CONTAINING NICOTINIC ACID ADENINE DINUCLEOTIDE PHOSPHATE OR DERIVATIVE THEREOF - Provided are a method of preparing a zinc oxide nanostructure electrode and a method of preparing a dye-sensitized solar cell using the same.05-30-2013
20130224177METHOD OF REGULATING FERTILIZING ABILITY USING CYCLIC ADP-RIBOSE AND CD38 - The present invention relates to a pharmaceutical composition for promoting fertilization comprising cyclic ADP-ribose or its derivative, CD38 and to a method of promoting fertilization by promoting the synthesis of cyclic ADP-ribose to increase sperm motility. Also, the present invention relates to a pharmaceutical composition for contraception and a method for inhibiting fertilization, which can inhibit the expression or function of cyclic ADP-ribose to reduce sperm motility, thereby inhibiting fertilization.08-29-2013

Kwang-Hyun Park, Jeonbuk KR

Patent application numberDescriptionPublished
20100069619STILBENE DERIVATIVES FOR ADP-RIBOSYL CYCLASE INHIBITORS - The present disclosure relates to bisphenyl compounds that are useful for inhibit the ADP-ribosyl cyclase (ADPR-cyclase). More particularly, the disclosed compounds can be used for treatment and prevention of hypertension, hypertensive cardiac hypertrophy, diabetes, and diabetic nephropathy, in which pathogenesis ADPR-cyclase is involved. The compounds and compositions of the invention can be used for treatment and prevention of cardiovascular disease and related disease states, particularly, hypertension or diabetes related disorders, such as, hypertensive cardiac hypertrophy, diabetic nephropathy, and the like.03-18-2010
20110281826STILBENE DERIVATIVES FOR ADP-RIBOSYL CYCLASE INHIBITORS - The present disclosure relates to bisphenyl compounds that are useful for inhibiting the ADP-ribosyl cyclase (ADPR-cyclase). More particularly, the disclosed compounds can be used for treatment and prevention of hypertension, hypertensive cardiac hypertrophy, diabetes, and diabetic nephropathy, in which pathogenesis ADPR-cyclase is involved. The compounds and compositions of the invention can be used for treatment and prevention of cardiovascular disease and related disease states, particularly, hypertension or diabetes related disorders, such as, hypertensive cardiac hypertrophy, diabetic nephropathy, and the like.11-17-2011

Kwang-Hyun Park, Sinan-Gun Jeollanam-Do KR

Patent application numberDescriptionPublished
20120321545METHOD FOR PRODUCING GRAPHENES THROUGH THE PRODUCTION OF A GRAPHITE INTERCALATION COMPOUND USING SALTS - The present invention relates a method for producing a graphite intercalation compound (GIC) and to the production of graphene using the same. The method of the present invention comprises the following steps: (a) obtaining alkaline metals or alkaline metal ions, or alkaline earth metals or alkaline metal ions, from alkaline metal salts or alkaline earth metal salts; (b) forming a graphite intercalation compound using the alkaline metals or alkaline metal ions, or the alkaline earth metals or alkaline earth metal ions; and (c) dispersing the graphite intercalation compound so as to obtain graphene. As the method of the present invention uses salts which are inexpensive and safe, graphite intercalation compounds can be easily produced at a low cost, and the graphene can be obtained from the thus-produced compounds, thereby reducing the costs of producing the graphene and enabling the easy mass production of the graphene.12-20-2012

Kwang-Hyun Pieh, Ansan-Si KR

Patent application numberDescriptionPublished
20120073252AIR CLEANER FOR VEHICLE - An air cleaner for a vehicle includes a body accommodating a filter element, a cover that covers the top of the body, and clamping units clamping the body and the cover. The clamping units include i) at least one first clamp that clamps sides of the body and the cover by means of elastic force of a first spring and functions as a hinge point allowing the cover to rotate with respect to the body and ii) at least one second clamp that clamps the other sides of the body and the cover by means of elastic force of a second spring and locks and unlocks the body and the cover by means of rotation of a key.03-29-2012
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