Pak, KR
Chae-Won Pak, Suwon-Si KR
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20150210796 | Novel Compound, Novel Polymer, Colorant Including the Same, Positive Photosensitive Resin Composition Including the Same, and Color Filter - Disclosed are a compound represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as defined in the detailed description, a polymer, a colorant including the same, and a photosensitive resin composition including the colorant, and a color filter. | 07-30-2015 |
20150322077 | Novel Compound, Novel Mixture, Photosensitive Resin Composition, and Color Filter - A compound is represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as defined in the detailed description: | 11-12-2015 |
Chanho Pak, Seoul KR
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20090197137 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL INCLUDING THE MEMBRANE ELECTRODE ASSEMBLY - A membrane electrode assembly for a fuel cell, includes: an electrolyte membrane, and cathode and anode that are respectively disposed on opposing surfaces of the electrolyte membrane, wherein the anode comprises an anode catalyst layer, an anode micro-porous layer and an anode diffusion support that are sequentially disposed on one surface of the electrolyte membrane, wherein the thickness ratio of the anode catalyst layer to the anode micro-porous layer is in a range of 1:0.82 to 1:3.28, and the thickness ratio of the anode catalyst layer to the anode diffusion support is in a range of 1:5 to 1:7.05. | 08-06-2009 |
20100051856 | POROUS ANODE ACTIVE MATERIAL, METHOD OF MANUFACTURING THE SAME, ANODE COMPRISING THE SAME, AND LITHIUM BATTERY COMPRISING THE ANODE - A porous anode active material including a Group 14 element oxide and a non-active material having no reactivity with lithium; a method of manufacturing the porous anode active material; an anode including the porous anode active material; and a lithium battery including the anode. The non-active material may be silica. | 03-04-2010 |
Chan-Ho Pak, Yongin-Si KR
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20080292942 | MEMBRANE ELECTRODE ASSEMBLY INCLUDING POROUS CATALYST LAYER AND METHOD OF MANUFACTURING THE SAME - A membrane electrode assembly for a fuel cell including a porous catalyst layer, and a method of manufacturing the same in which an electrode includes a catalyst layer formed adjacent to a surface of an electrolyte membrane, and the catalyst layer has a uniform porosity as pluralities of pores are uniformly distributed on the catalyst layer. | 11-27-2008 |
20090068522 | MONOPOLAR TYPE MEMBRANE ELECTRODE ASSEMBLY HAVING SENSING ELEMENT - A monopolar membrane electrode assembly (MEA) for a fuel cell, for example, includes: an electrolyte membrane; anode and cathode electrodes formed on opposite surfaces of the electrolyte membrane, respectively; current collecting bodies that form electrical paths of electricity generated from an electricity generation reaction between the anode and cathode electrodes and the electrolyte membrane; and sensing elements to measure changes in operation state conditions during electricity generation and electrical connection. Since temperature and fuel concentration in the monopolar MEA having the above structure are detected on a real time basis, appropriate action can be taken whenever an abnormal operation thereof is detected. | 03-12-2009 |
20090098442 | HIERARCHICAL MESOPOROUS CARBON, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL USING THE SAME - A hierarchical mesoporous carbon is provided in which a total volume of mesopores of the hierarchical mesoporous carbon is 80% or greater of a total volume of pores of the hierarchical mesoporous carbon; a volume of mesopores with a average diameter greater than 20 nm and no greater than 50 nm is 3% or greater of the total volume of the pores; and a volume of mesopores with a average diameter greater than 2 nm and no greater than 10 nm is 65% or greater of the total volume of the pores. The hierarchical mesoporous carbon, which also contains macropores, has an optimized mesoporous distribution characteristic, and has an increased total volume of pores, thereby having a significantly improved catalytic activity when used as a catalyst support. When such a supported catalyst including the hierarchical mesoporous carbon as a support is used in a fuel cell, supply of fuel and transporting of byproducts are facilitated. | 04-16-2009 |
20120046434 | Nanocomposite for fuel cell, method of preparing the nanocomposite, and fuel cell including the nanocomposite - Provided is a nanocomposite for the catalyst layer of a fuel cell electrode including: a carbon nanofiber; and metal catalyst particles uniformly applied to the surface of the carbon nanofiber, wherein the carbon nanofiber has a surface oxygen content of at least 0.03 calculated by the formula: Oxygen content=[atomic percentage of oxygen/atomic percentage of carbon] using atomic percentages of oxygen and carbon, respectively calculated from an area of an oxygen peak having a binding energy of 524 to 540 eV, an area of a nitrogen peak having a binding energy of 392 to 404 eV, and an area of a carbon peak having a binding energy of 282 to 290 eV in X-ray photoelectron spectroscopy. The nanocomposite has high surface oxygen content and has metal catalyst nano particles densely and uniformly distributed on the outer wall of the carbon fibers, thereby having high electrochemical efficiency. | 02-23-2012 |
20120196745 | METHOD OF MANUFACTURING HIERARCHICAL MESOPOROUS CARBON AND CARBON OBTAINED THEREBY - A hierarchical mesoporous carbon is provided in which a total volume of mesopores of the hierarchical mesoporous carbon is 80% or greater of a total volume of pores of the hierarchical mesoporous carbon; a volume of mesopores with a average diameter greater than 20 nm and no greater than 50 nm is 3% or greater of the total volume of the pores; and a volume of mesopores with a average diameter greater than 2 nm and no greater than 10 nm is 65% or greater of the total volume of the pores. The hierarchical mesoporous carbon, which also contains macropores, has an optimized mesoporous distribution characteristic, and has an increased total volume of pores, thereby having a significantly improved catalytic activity when used as a catalyst support. When such a supported catalyst is used in a fuel cell, supply of fuel and transporting of byproducts are facilitated. | 08-02-2012 |
20130122395 | COMPOSITION, COMPOSITE PREPARED FROM THE COMPOSITION, ELECTRODE USING THE COMPOSITION OR THE COMPOSITE, COMPOSITE MEMBRANE INCLUDING THE COMPOSITE, AND FUEL CELL INCLUDING THE COMPOSITE MEMBRANE - A composition including a cross-linkable compound and at least one selected from compounds represented by Formula 1, a composite obtained from the composition, an electrode including the composition or the composite, a composite membrane including the composite, and a fuel cell including the composite membrane, | 05-16-2013 |
20150340172 | MESOPOROUS CARBON COMPOSITE MATERIAL, PRODUCTION METHODS THEREOF, AND ELECTRONIC DEVICE INCLUDING THE SAME - A mesoporous carbon composite material includes mesoporous carbon, metal nanoparticles distributed on the mesoporous carbon, and phosphorus on the mesoporous carbon. An electronic device includes an electrode including the mesoporous carbon composite material. A method of producing a mesoporous carbon composite metal includes impregnating mesoporous silica with a carbon precursor solution, forming a carbon silica composite by heat-treating the mesoporous silica impregnated with the carbon precursor solution, and removing silica from the carbon silica composite. The carbon precursor solution includes a phosphorous-containing carbon precursor, a metal-containing salt, a solvent, and optionally a carbonization catalyst. | 11-26-2015 |
Choi Min Pak, Pyongyang KR
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20130153540 | METHOD OF EXTINGUISHING AN ELECTRIC ARC IN A LOW OR HIGH VOLTAGE SWITCHGEAR BY PULSE DISCHARGE - The present invention relates to a method of extinguishing an electric arc, which occurs in low or high voltage switchgears, by pulse discharge. The electric arc is cut like a “fuse” by connecting a condenser ( | 06-20-2013 |
Chong Hoon Pak, Seoul KR
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20110038102 | SOLID ELECTROLYTIC CONDENSER AND METHOD FOR PREPARING THE SAME - Disclosed is a solid electrolytic condenser and method for manufacturing the same. The solid electrolytic condenser includes: a condenser element whose inner has an anode polarity; an anode wire whose one end portion is inserted into the condenser element; a cathode drawing layer formed at one side of an external surface of the condenser element; terminal reinforcements coupled to the both-side portions of a bottom surface of the condenser element; a liquid epoxy resin (EMC) filled between the terminal reinforcements to seal the bottom surface of the condenser element; a molding part for surrounding an outer circumferential surface of the condenser element, the modeling part formed in such a manner that a protruded end portion of the anode wire, an end portion of the cathode drawing layer, and the bottom surface of the terminal reinforcement can be exposed; and anode and cathode terminals formed by a plating layer provided on the bottom surface of the terminal reinforcements and the both-side portion of the molding part. Accordingly, it is possible to reduce manufacturing costs, and to improve mechanical reliability on a portion where terminals are formed through buffering operation of terminal reinforcements. | 02-17-2011 |
Chong Hoon Pak, Suwon KR
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20100226072 | SOLID CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid capacitor according to an aspect of the invention may include: a capacitor device having an anode lead wire extending from one side thereof; a case molding the capacitor device and exposing the anode lead wire to the outside thereof; cathode and anode lead frames exposed on the outside the case and electrically connected to the capacitor device; a reinforcement interposed in the case between the anode lead wire and the anode lead frame so as to support the capacitor device and electrically connecting the anode lead wire and the anode lead frame; and a resin shielding part applied to the exposed portion of the anode lead wire to prevent the infiltration of foreign substances through the anode lead wire. | 09-09-2010 |
Chong Hoon Pak, Suwon-Si KR
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20090310283 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PREPARING THE SAME - The present invention relates to a solid electrolytic capacitor and a method for preparing the same. | 12-17-2009 |
20100142125 | SOLID ELECTROLYTIC CAPACITOR - The present invention relates to a solid electrolytic capacitor with increased capacitance. | 06-10-2010 |
Chung Ho Pak, Daegu-Shi KR
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20150183407 | MULTI-FUNCTIONAL CLEANER - A multi-functional cleaner comprises a driving means having a motor to generate a dynamic force, an output shall projected from the driving means through a center of a washing body having a first cap hole into which a dust collector or a cap may be detachably coupled, a driving gear coupled to the output shaft, a disc coupled to the driving gear, and a brush member coupled to the disc, wherein the output shaft is rotated to rotate the disc, and wherein as the cap is coupled into the first cap hole, an inside of the washing body is prevented from being exposed. | 07-02-2015 |
Chwang Siek Pak, Daejeon KR
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20100120849 | Compositions for Treating Hyperproliferative Vascular Disorders and Cancers - The present invention relates to a pharmaceutical composition for preventing or treating hyperproliferative vascular disorders, and a pharmaceutical anticancer composition comprising the compound represented by the Formula 1. The present compounds exhibit IC | 05-13-2010 |
Dae-Hyun Pak, Iksan-Si KR
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20120007859 | METHOD AND APPARATUS FOR GENERATING FACE ANIMATION IN COMPUTER SYSTEM - A method and apparatus generate a face animation in a computer system. An input of a face image is received. A head model and a skull model are determined for the face image. The head model is matched with the skull model, and a face model is generated. At least one parameter for the generated face model is adjusted according to an expression of the input face image, thus being capable of allowing a user to easily generate a face model and a facial animation with various expressions without manually adjusting various parameters. | 01-12-2012 |
Dong Sun Pak, Yongin-Si KR
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20090076639 | Method for Providing Customized Cosmetics and the System used Therefor - The present invention relates to a method and system for providing cosmetics customized for an individual customer, and more particularly, to a method and system for providing cosmetics customized for an individual customer, wherein customized cosmetics appropriate for skin condition or scalp and hair condition of the customer are produced using diagnostic data on the skin condition or scalp and hair condition of the customer and provided to the customer to thereby enhance customer's feeling of satisfaction. According to the present invention, there is provided a method for providing customized cosmetics appropriate for an individual customer using a microprocessor having information on standard cosmetic material mixing ratios in accordance with age groups and skin conditions of consumers as a database. | 03-19-2009 |
20100241057 | APPARATUS FOR IONTOPHORESIS - The present invention relates to an iontophoresis apparatus, and more particularly, to an iontophoresis apparatus detachable from a mask or patch, wherein after skin condition is previously diagnosed before an iontophoresis is performed, the amount of current is adjusted according to the skin condition to absorb effective components contained in functional cosmetics or medicines into the skin, and a plurality of electrode pairs are applied to use interference current generated between the electrode pairs thereby accelerating absorption of the effective components and improving the skin condition. | 09-23-2010 |
20110112791 | PORTABLE CLINICAL THERMOMETER CAPABLE OF PROVIDING VISUAL IMAGES - The present invention relates to a portable clinical thermometer capable of providing visual images, and more particularly, to a portable clinical thermometer capable of providing visual images, which can take a body temperature, and simultaneously photographs a living body region where occurrence of a problem is suspected and then provides the photographed image such that any emergency can be handled easily. | 05-12-2011 |
Gol Pak, Pyongyang KR
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20090041574 | UNI-AXIAL SCREW PUMP - The present invention describes a uni-axial screw pump to convey viscous fluids with high pump efficiency wherein restraining devices restrain the fluid's tendency to rotate around the axis as the rotor rotates. As a result, all the fluid trapped between the helical thread and inner surface of inner cylindrical casing is forced in the axial direction towards the discharge end. It can also be employed as hydraulic turbine, thermo motor, liquid motor, extruder, molder and etc. The screw pump includes a thread disconnected perpendicularly to the axis to make a plurality of thread sections, a plurality of annular restraining devices being inserted in the annular gaps formed between disconnected thread sections. The annular restraining devices have restraining elements and openings for the fluid to be conveyed through, inner cylindrical sections being axially disposed between the inserted annular restraining devices to enclose the screw rotor. | 02-12-2009 |
Hisun Pak, Seoul KR
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20130133740 | PHOTOVOLTAIC DEVICE AND METHOD FOR MANUFACTURING SAME - Disclosed are a solar cell apparatus and a method of fabricating the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, a window layer on the light absorbing layer, and a conductive layer interposed between the back electrode layer and the light absorbing layer and including a first conductive oxide. | 05-30-2013 |
Hi Sun Pak, Seoul KR
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20120273039 | Solar Cell Apparatus and Method for Manufacturing the Same - Disclosed are a solar cell apparatus and a method for manufacturing the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, and a front electrode layer on the light absorbing layer. An outer lateral side of the back electrode layer is aligned on a plane different from a plane of an outer lateral side of the front electrode layer. In the solar cell apparatus, short is prevented between the back and front electrode layers. | 11-01-2012 |
20130118563 | SOLAR PHOTOVOLTAIC DEVICE AND A PRODUCTION METHOD FOR THE SAME - Disclosed are a solar cell apparatus and a method for manufacturing the same. The solar cell apparatus includes a support substrate, a first back electrode on the support substrate, a light absorbing part on the first back electrode, a high resistance buffer on the light absorbing part, and a barrier layer extending from the high resistance buffer and provided on a lateral side of the light absorbing part. | 05-16-2013 |
20150059842 | SOLAR CELL - A solar cell according to the embodiment includes a substrate; a first electrode layer on a substrate; a light absorbing layer on the first electrode layer; a second electrode layer including a transmittive conductive material on the light absorbing layer; and a grid electrode including a transmittive conductive material on the second electrode layer. | 03-05-2015 |
Hui Nam Pak, Seoul KR
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20150242587 | SYSTEM AND METHOD FOR GENERATING PSEUDO ELECTROGRAM - Provided are a system and method for generating a pseudo electrogram. The system for generating the pseudo electrogram includes a unipolar electrogram generation unit which generates a unipolar electrogram according to an action potential calculated from an electric physiological model of the heart using a pseudo electrode in which a cross-sectional area is adjusted, and a pseudo electrogram generation unit which generates a pseudo electrogram using the unipolar electrogram. | 08-27-2015 |
Hun Kyun Pak, Daejeon KR
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20130074918 | VACUUM WINDOW GLAZING INCLUDING SOLAR CELL AND MANUFACTURING METHOD THEREOF - Disclosed are vacuum window glazing including a solar cell function and a manufacturing method thereof. The vacuum window glazing includes a first sheet glass, a second sheet glass that is vacuum-bonded to the first sheet glass; a vacuum layer that is formed between the first sheet glass and the second sheet glass; and a solar cell panel that is formed on a surface of the second sheet glass in a direction of the vacuum layer. By this configuration, power can be produced through the solar cell formed within the vacuum window glazing while more increasing the heat insulation effect of the vacuum window glazing, and the cooling and heating efficiency of the building can be greatly improved using the outer wall covered with glass. | 03-28-2013 |
Hyuk Kyu Pak, Busan KR
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20140346782 | MICRO POWER GENERATOR AND POWER GENERATION METHOD USING LIQUID DROPLET - The present invention relates to a micro power generator and power generation method using a liquid droplet to produce electricity using alternating current (AC) power induced by changing the contact areas of a liquid droplet between two electrode plates by vibration. The micro power generator according to the present invention includes first and second electrode plates positioned adjacent to and facing each other; an ion-containing liquid droplet positioned between the first and second electrode plates; and a power generation unit for producing electricity using AC voltage generated between the first and second electrode plates while as at least one of the first and second electrode plates is vibrated, a contact area between each of the first and second electrode plates and the liquid droplet changes with time. | 11-27-2014 |
Hyung Suk Pak, Gyeonggi-Do KR
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20140316022 | Optical Film and Preparation Method Thereof - Disclosed are an optical film and a preparation method thereof. The optical film comprises a base layer, a plurality of polymer particles disposed in the base layer, and voids formed in the base layer and enclosing the respective polymer particles, wherein the polymer particles comprise a crosslinked polymer. The optical film has uniform voids, enhanced processing and dimensional stabilities, as well as improved optical properties such as whiteness, hiding power, reflectance and the like. Thus, the optical film can be useful for a reflector sheet for a BLU of an LCD device, and the like. | 10-23-2014 |
Hyung Suk Pak, Hwaseong-Si KR
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20130017382 | DOUBLE WAVELENGTH-REFLECTIVE MULTI-LAYER FILMAANM Woo; Se YoonAACI SeoulAACO KRAAGP Woo; Se Yoon Seoul KRAANM Lee; Gwan-HyungAACI Suwon-siAACO KRAAGP Lee; Gwan-Hyung Suwon-si KRAANM Joo; Cheon YongAACI SeoulAACO KRAAGP Joo; Cheon Yong Seoul KRAANM Pak; Hyung SukAACI Hwaseong-siAACO KRAAGP Pak; Hyung Suk Hwaseong-si KRAANM Son; Byoung KukAACI SeoulAACO KRAAGP Son; Byoung Kuk Seoul KRAANM Shin; Dae YongAACI IncheonAACO KRAAGP Shin; Dae Yong Incheon KR - A double wavelength-reflective multi-layer film comprising a reflective layer part composed of at least one resin layer A and at least one resin layer B which are alternatively stacked, the resin layers A and B having refractive indexes different from each other and having a standard deviation in the thickness ranging from 6 to 30 nm, wherein the multi-layer film has an f-ratio of 0.01 to 0.99, is capable of reflecting two visible light wavelength regions in the form of one stack. | 01-17-2013 |
Jaewoo Pak, Seoul KR
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20120171169 | COMPOSITIONS AND METHODS FOR TREATING, PREVENTING, OR ALLEVIATING BONE OR CARTILAGE DISEASES - The present invention provides pharmaceutical compositions, methods of preparations, and uses for treatments, preventions or alleviation of bone and cartilage diseases. The present invention discloses methods and pharmaceutical compositions comprising adipose tissue-derived stem cells, platelet rich plasma, calcium chloride, and hyaluronic acid for the treatments, preventions, or alleviation of bone diseases; methods and a pharmaceutical compositions further comprising of dexamethasone for treatments, preventions, or alleviation of cartilage diseases. | 07-05-2012 |
20120171179 | APPARATUS, SYSTEM, AND METHOD FOR COMPOSITIONS AND METHODS FOR TREATING, PREVENTING, OR ALLEVIATING BONE OR CARTILAGE DISEASES - The present invention provides pharmaceutical compositions, and methods of preparation and use for the treatment, prevention or alleviation of bone and cartilage diseases. The present invention discloses a method and a pharmaceutical composition comprising adipose-derived stem cells, platelet rich plasma, calcium chloride, and hyaluronic acid for the treatment, prevention, or alleviation of bone diseases, and a method and a pharmaceutical composition further comprising dexamethasone for the treatment, prevention, or alleviation of cartilage diseases. | 07-05-2012 |
Jae Woo Pak, Seoul KR
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20120171182 | METHODS AND COMPOSITIONS FOR THE TREATMENT, PREVENTION, AND ALLEVIATION OF BONE AND CARTILAGE DISEASES OR INJURIES AND HAIR LOSS - The present invention provides pharmaceutical compositions, and methods of preparation and use for the treatment, prevention or alleviation of bone and cartilage diseases or injuries and hair loss. The present invention discloses a method and a pharmaceutical composition comprising mesenchymal stem cells, platelets, activating factors and scaffolding materials for the treatment, prevention, or alleviation of bone diseases, bone injuries or hair loss, and a method and a pharmaceutical composition further comprising dexamethasone for the treatment, prevention, or alleviation of cartilage diseases or injuries. | 07-05-2012 |
20140186320 | METHODS AND COMPOSITIONS FOR THE TREATMENT, PREVENTION, AND ALLEVIATION OF BONE AND CARTILAGE DISEASES OR INJURIES AND HAIR LOSS - The present invention provides pharmaceutical compositions, and methods of preparation and use for the treatment, prevention or alleviation of bone and cartilage diseases or injuries and hair loss. The present invention discloses a method and a pharmaceutical composition comprising mesenchymal stem cells, platelets, activating factors and scaffolding materials for the treatment, prevention, or alleviation of bone diseases, bone injuries or hair loss, and a method and a pharmaceutical composition further comprising dexamethasone for the treatment, prevention, or alleviation of cartilage diseases or injuries. | 07-03-2014 |
20150174170 | COMPOSITIONS AND METHODS FOR THE TREATMENT AND ALLEVIATION OF BONE AND CARTILAGE DISEASES OR INJURIES AND HAIR LOSS - The present invention provides pharmaceutical compositions, and methods of preparation and use for the treatment, prevention or alleviation of bone and cartilage diseases or injuries and hair loss. The present invention discloses a method and a pharmaceutical composition comprising mesenchymal stem cells, platelets, activating factors and scaffolding materials for the treatment, prevention, or alleviation of bone diseases, bone injuries or hair loss, and a method and a pharmaceutical composition further comprising dexamethasone for the treatment, prevention, or alleviation of cartilage diseases or injuries. | 06-25-2015 |
20150174171 | COMPOSITIONS AND METHODS FOR THE TREATMENT AND ALLEVIATION OF BONE AND CARTILAGE DISEASES OR INJURIES AND HAIR LOSS - The present invention provides pharmaceutical compositions, and methods of preparation and use for the treatment, prevention or alleviation of bone and cartilage diseases or injuries and hair loss. The present invention discloses a method and a pharmaceutical composition comprising mesenchymal stem cells, platelets, activating factors and scaffolding materials for the treatment, prevention, or alleviation of bone diseases, bone injuries or hair loss, and a method and a pharmaceutical composition further comprising dexamethasone for the treatment, prevention, or alleviation of cartilage diseases or injuries. | 06-25-2015 |
Ji Hong Pak, Hwaseong-Si KR
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20130139793 | EXHAUST GAS PROCESSING DEVICE - An exhaust gas treatment system includes: confirming that an engine stops operation; sensing present pressure difference between front and rear sides of an EGR value; setting learning value by performing large offset learning, if the present pressure difference exceeds an absolute value of a first lower or upper values; setting learning value by performing step learning, if the present pressure difference exists between first and second lower values that is larger than the first lower value or the present pressure difference a between first and second upper values that is smaller than the first upper value; and setting the present pressure difference value as a learning value, if the present pressure difference exists between the second lower and second upper values. The exhaust gas treatment method accurately learns the pressure difference of the EGR system to improve the quality of the exhaust gas and securely control the EGR system. | 06-06-2013 |
Jin Suk Pak, Daegu KR
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20120288021 | SECONDARY TRANSMITTER INCLUDED IN COGNITIVE RADIO COMMUNICATION SYSTEM AND COMMUNICATION METHOD OF THE SECONDARY TRANSMITTER - Provided is a communication method of a secondary transmitter included in a multiple-antenna based multiple input multiple output (MIMO) cognitive radio communication system, the method including: estimating an interference channel between the secondary transmitter and a primary user in each of at least one first spectrum band that is being used in a primary system; calculating an orthogonal projection matrix to cancel interference with respect to the primary user from the interference channel; calculating an effective channel between the secondary transmitter and a secondary receiver based on the to orthogonal projection matrix; and selecting an index of an optimal spectrum band from the at least one first spectrum band based on the orthogonal projection matrix and the effective channel. | 11-15-2012 |
Jin Suk Pak, Gimhae-Si KR
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20150223238 | METHOD FOR MANAGING NETWORK RESOURCES OF WIRELESS TERMINAL IN HETEROGENEOUS NETWORK ENVIRONMENT - Disclosed is a method for managing network resources of a wireless terminal in a heterogeneous network environment and the method for managing network resources includes: searching for one or more networks which are accessible in the heterogeneous network environment; acquiring cycle information of the networks searched through the network searching; determining coexistence management cycles of the searched networks based on the cycle information; allocating one or more networks to be used in data transmission among the networks searched according to the coexistence management cycle and determining transmission management cycles of one or more allocated networks; and managing a resource of the searched network according to the coexistence management cycle and the transmission management cycle. | 08-06-2015 |
Jin Suk Pak, Daegu-Si KR
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20120093175 | METHOD AND APPARATUS OF TRANSMITTING PACKET IN COMMUNICATION SYSTEM - A method and an apparatus for transmitting a packet in a communication system are provided. The method for transmitting a packet in a communication system includes receiving a compression packet use request message from a receiver; generating a specific preamble and transmitting the compression packet to a receiver; wherein the compression packet is generated by omitting information on overlapping frame header among a frame to be transmitted and attaching the specific preamble including the information on the omitted frame header. | 04-19-2012 |
20120135689 | METHOD AND APPARATUS FOR DETECTING HETEROGENEOUS COMMUNICATION SYSTEM - A method and apparatus for detecting a heterogeneous communication system is provided. The apparatus include a radio frequency (RF) signal reception unit configured to receive a signal from a particular communication system, a silent duration evaluation unit configured to evaluate a silent duration between frames on the basis of the received signal, and a system type decision making unit configured to determine the type of the particular communication system on the basis of the evaluated silent duration. | 05-31-2012 |
20120140654 | METHOD AND APPARATUS FOR MANAGING BACKUP CHANNEL IN MULTI-CHANNEL ENVIRONMENT - The present invention relates to a method and apparatus for managing a backup channel in a multi-channel environment. According to an aspect of the present invention, the method of managing a backup channel in a multi-channel environment includes transmitting a control region of a super frame through a first channel constituting the multi-channel and transmitting a data region of the super frame to a destination terminal through a second channel constituting the multi-channel. A transmission quality of the first channel is acquired using the control region transmitted through the first channel. | 06-07-2012 |
Jin Suk Pak, Daejeon KR
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20130163575 | CONTENTION BASED CHANNEL OCCUPYING METHOD IN WIRELESS NETWORK USING A PLURALITY OF CHANNELS - Disclosed is a contention based channel occupying method in a wireless network using a plurality of channels, including: acquiring, by terminals that are incapable of transmitting a data frame through primary contention, occupation channel information from a terminal that transmits the data frame through the primary contention; verifying, by the terminals, an occupiable channel based on the occupation channel information; and performing, by the terminals, secondary contention in the occupiable channel. | 06-27-2013 |
20130176960 | APPARATUS AND METHOD FOR COGNITIVE RADIO MESH NETWORK BASED ON GEOLOCATION DATABASE - A cognitive radio mesh node may include at least one directional antenna, at least one transceiver to transmit and receive data using the at least one directional antenna, and a processor to determine a channel for performing communication for a cognitive radio mesh network based on a geolocation database and to control the at least one transceiver based on the determined channel. | 07-11-2013 |
20140162715 | CHANNEL INFORMATION PROVIDING METHOD, CHANNEL INFORMATION PROVIDING DATABASE SERVER, AND CHANNEL INFORMATION PROVIDING SYSTEM - The present invention provides a channel information providing method, a channel information providing database server, and a channel information providing system which receive channel quality information from a cognitive radio terminal which receives channel information based on position information and efficiently use channels using the received information. A channel information providing method which uses a database server to provide channel information to a cognitive radio terminal based on position information includes providing channel information to at least one cognitive radio terminal; receiving collected information regarding a quality of the channel from the at least one cognitive radio terminal; and determining to update the channel information provided in the providing using the information received in the receiving. | 06-12-2014 |
20140185458 | METHOD FOR MANAGING ERROR IN MULTICAST OR BROADCAST TRANSMISSION AND APPARATUS THEREOF - Disclosed are a method of managing an error in wireless transmission, and an apparatus thereof, and more particularly, a method of managing an error in multicast or broadcast transmission, and an apparatus thereof. The method of managing an error in multicast or broadcast transmission disclosed in the present invention includes: receiving data multicasted or broadcasted to a plurality of receivers; determining whether the data is normally received; selecting a random resource among wireless resources through which an acknowledgement indicating whether the data is normally received is to be transmitted; and transmitting the acknowledgement indicating whether the data is normally received through the selected random resource. | 07-03-2014 |
20140200017 | COGNITIVE RADIO APPARATUS AND COMMUNICATION METHOD THEREOF - To perform communication in a cognitive radio network, a cognitive radio apparatus according to an exemplary embodiment includes: an estimation module configured to generate a channel estimation signal to be transmitted to a predetermined reception apparatus positioned in a predetermined channel in the case of selecting the predetermined channel from among multiple channels; a communication module configured to transmit the channel estimation signal to the predetermined reception apparatus, and to receive a channel response signal from the predetermined reception apparatus; and a control module configured to control the communication module so that at least one of a communication signal set with respect to the predetermined channel and a variable communication signal obtained by varying the communication signal is transmitted to the predetermined reception apparatus, when it is determined that the predetermined channel is positioned in a deep fading section based on the channel response signal. | 07-17-2014 |
20140341178 | COMMUNICATION METHOD AND RESOURCE ASSIGNING METHOD BETWEEN A PLURALITY OF TERMINALS IN INFRASTRUCTURE NETWORK - A communication method between a plurality of terminals and a resource allocation method in an infrastructure network are disclosed. A terminal according to an embodiment communicates with at least one other terminal using a particular frequency band in a third time section distinguished from a first time section for reception of a downlink data and a second time section for transmission of an uplink data, thereby providing a technology of generating a small-scale network partly with respect to a particular region in a network with an extensive coverage of an infrastructure network. | 11-20-2014 |
20150208441 | HIDDEN NODE DETECTION METHOD AND APPARATUS IN WIRELESS COMMUNICATION SYSTEM - Provided is a hidden node detection method and apparatus in a wireless communication system, the apparatus including a sensing unit to sense a first communication device transmitting a data signal from among a plurality of communication devices sharing a wireless channel, a transmitter to generate a reception notification signal in response to the sensing, and transmit the reception notification signal to the a plurality of communication devices through a band identical to a transmission band of the data signal, and a controller to prevent a collision with the data signal transmitted from the first communication device through the wireless channel by delaying processing of a data transmission request when the data transmission request is input from a second communication device among the plurality of communication devices while maintaining the transmitting of the reception notification signal. | 07-23-2015 |
Jin Suk Pak, Daejeon-Si KR
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20120155399 | CHANNEL ALLOCATION METHOD IN MULTI-CHANNEL COGNITIVE RADIO NETWORK - A method of allocating channels to jobs requiring a channel allocation is provided using a sequential channel allocation method, a batch channel allocation method, or a channel allocation method including the sequential channel allocation method and the batch channel allocation method in a multi-channel cognitive radio network. As a result, it is possible to rapidly and optimally allocate channels to jobs requiring the channel allocation in the multi-channel CR network and to efficiently manage the network by minimizing the number of operational channels. | 06-21-2012 |
Jun-So Pak, Daejeon KR
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20140049284 | TEST DEVICE, SEMICONDUCTOR DEVICE AND TESTING METHOD THEREOF - A test device for testing a semiconductor device including a TSV may comprise a ring oscillator including a plurality of inverters, a switch selectively connecting an output node of an inverter of the plurality of inverters and the TSV, and a controller controlling the switch. | 02-20-2014 |
Ki Ju Pak, Yongin-Si KR
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20100158570 | CHARGE ELIMINATOR AND IMAGE FORMING APPARATUS HAVING THE SAME - Disclosed are a charge eliminator and an image forming apparatus having the same. The charge eliminator includes a light source array and a light guide member. The light source array includes a plurality of point light sources. The light guide member includes an incidence face through which light generated from the point light sources is introduced. The light guide member guides the light introduced through the incidence face to the photoconductor. A diffusion pattern is provided at the incidence face of the light guide member to diffuse the light introduced through the incidence face. | 06-24-2010 |
Ki-Sik Pak, Yongin-Si KR
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20130149562 | BATTERY PACK - A battery pack includes a pouch-type bare cell, a protecting circuit module, a top case and a protecting circuit module support part. The pouch-type bare cell has a sealing region positioned in an extraction direction of an electrode lead. The protecting circuit module is positioned in the sealing region and connected to the electrode lead. The top case surrounds the protecting circuit module. The protecting circuit module support part is provided between the top case and the protecting circuit module. Accordingly, the protecting circuit module support part is formed between the top case and the protecting circuit module, so that it is possible to prevent a component mounted on the protecting circuit module from being damaged by an external impact and to prevent the inflow of a foreign matter from the outside of the battery pack, thereby improving the reliability and safety of the battery pack. | 06-13-2013 |
20130149563 | BATTERY PACK - A battery pack includes a bare cell, a protecting circuit module, a top case and an integrated insulator. The bare cell has a terrace part that is a sealing region positioned in an extraction direction of an electrode lead. The protecting circuit module is positioned at the terrace part and connected to the electrode lead. The top case surrounds the protecting circuit module. The integrated insulator covers at least the top case, and includes a first insulating member facing a top surface of the top case and having two first long sides opposite to each other and two first short sides opposite to each other, a second insulating member provided to extend from each of the first long sides and having a second long side and second short sides opposite to each other, and a third insulating member provided to extend from each of the second short sides. | 06-13-2013 |
20130230767 | SECONDARY BATTERY - A secondary battery includes an electrode assembly including a pair of electrodes separated from each other by a separator, a battery case including a front portion bonded to a back portion to produce wing portions at opposite edges of the battery case, the electrode assembly being arranged within an accommodating portion of the battery case, the accommodating portion being arranged between the wing portions, an insulating member arranged at each of said wing portions of the battery case and a bonding portion arranged at each of said wing portions to attach said wing portions to the accommodating portion of the battery case. The bonding portion may be a double sided tape and may be integrally provided with the insulating member to simplify manufacturing process thereof. | 09-05-2013 |
Kwangin Pak, Gimhae-Si KR
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20140366340 | SHOE ENABLING THE ADJUSTMENT OF THE TENSION OF SHOELACES - The inventive concept relates to a shoe enabling the adjustment of the tension of shoelaces. The shoe includes a first shoelace engaging member including left and right shoelace engaging members and a second shoelace engaging member. The first shoelace engaging member includes a first fixed member engaged to the shoe front upper and a movable member rotatably engaged to the first fixed member by means of hinge formed at first end of the movable member. The movable member includes a hole through which a shoelace passes and formed at second end of the movable member. The second shoelace engaging member is disposed between the left and right shoelace engaging members. The second shoelace engaging member includes a second fixed member disposed on a tongue and a second movable member rotatably engaged to the second fixed member by means of a main hinge. | 12-18-2014 |
Michael Pak, Hwaseong-Si KR
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20130152202 | APPARATUS AND METHOD FOR ANALYZING MALWARE IN DATA ANALYSIS SYSTEM - An apparatus and method for analyzing malware in a data analysis system are provided. The apparatus includes a data analysis unit and a controller. The data analysis unit sorts data into primary harmful data and primary harmless data using screening data information of malicious code information and virus information. The controller screens or deletes the primary harmful data, and sends a request for precision analysis of the primary harmless data to a server. The data analysis unit sorts secondary harmful data from the primary harmless data using the precision analysis result received from the server. | 06-13-2013 |
Michael Pak, Gyeonggi-Do KR
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20140047536 | ELECTRONIC DEVICE AND METHOD FOR PERFORMING USER AUTHENTICATION USING ACCESS POINT AND PERIPHERAL DEVICE - An electronic device and method for performing user authentication using at least one of an access point and a peripheral device are provided. The method includes determining whether an electronic device connects to at least one of a stored access point and a stored device within a predetermined time period; and requesting a predetermined user authentication when it is determined that the electronic device has not connected to the at least one of the stored access point and device within the predetermined time period. | 02-13-2014 |
Michael Pak, Seoul KR
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20150186651 | SYSTEM AND METHOD FOR CHANGING SECURE BOOT AND ELECTRONIC DEVICE PROVIDED WITH THE SYSTEM - A system and method for changing authority for a secure booting operation and an electronic device thereof are provided. The system includes a memory including a plurality of key bit areas in each of which a root key can be received, and a processor core configured to input a new root key to one of the plurality of key bit areas of the memory in response to an external input. | 07-02-2015 |
20150188948 | METHOD AND SYSTEM FOR BLOCKING CONTENT - A content blocking method of a user device is provided. The method includes receiving a policy from a profile server; receiving a content access request; determining a category where content corresponding to the access request belongs; and blocking the content corresponding to the access request, if the determined category corresponds to a category that is set to be blocked in the policy. | 07-02-2015 |
20150288528 | METHOD FOR APPLICATION INSTALLATION, ELECTRONIC DEVICE, AND CERTIFICATE SYSTEM - A method of managing application installation is provided. The method includes receiving an application by an electronic device, determining an application signature key included in the application, if the application signature key matches a development signature key among the development signature key and a commercial signature key, verifying the application signature key in relation to whether the electronic device corresponds to information on a test electronic device defined in the application signature key, and installing the application based on a verification result of the application signature key. | 10-08-2015 |
20150326390 | METHOD OF MANAGING KEYS AND ELECTRONIC DEVICE ADAPTED TO THE SAME - A method of managing keys and an electronic device adapted to the method are provided. The method includes creating a first key, based on information included in a memory space of a processor, creating a second key, based on at least one item of user information, and creating a third key that was created through at least one encryption process, based on the created first key and the created second key. | 11-12-2015 |
20160085977 | TOKEN-BASED SCHEME FOR GRANTING PERMISSIONS - An electronic device comprising: a memory; and at least one processor configured to: install an application by using an installation file associated with the application; grant at least one permission to the application based on a permission setting token that is included in the installation file; and store, in a database, an indication that the application is granted the permission. | 03-24-2016 |
Michael Chin-Hwan Pak, Hwaseong-Si KR
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20140344896 | METHOD AND APPARATUS FOR USING ELECTRONIC DEVICE - A method of using an electronic device is provided. The method includes comparing, when a request for an access to a resource of the electronic device is identified, a reliability level of a user and a security level of the resource and permitting the access to the resource when the reliability level is equal to or higher than the security level of the resource. | 11-20-2014 |
Michael Chin-Hwan Pak, Seoul KR
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20140090077 | METHOD AND APPARATUS FOR APPLICATION MANAGEMENT IN USER DEVICE - The method and apparatus support signature-based application management that examines credibility of an application to be installed or executed and controls installation and execution accordingly. The application management method for a user device includes: receiving user input for installing an application; comparing signature information of the application with an authentication list stored in a signature information storage; preventing, when the signature information is present in a blacklist of the authentication list, installation of the application; initiating, when the signature information is present in a whitelist of the authentication list, installation of the application; and selectively performing, when the signature information is not present in either the blacklist or the whitelist, installation of the application according to user consent. | 03-27-2014 |
Sang Jin Pak, Cheonan-Si KR
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20140085322 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a driver connected to a display panel and transmitting scan signals or data signals to the display panel, a frame memory connected to the driver, storing image data and transmitting at least some of the image data to the driver, and a controller connected to the driver and the frame memory, generating a control signal and transmitting the control signal to the driver or the frame memory, wherein each of the sub-fields includes an address period in which the scan signals are transmitted to the respective pixel rows, the controller transmits the control signal to the driver to transmit the scan signals to the pixel rows during a current frame such that the scan signals corresponding to the current frame are transmitted after, among the image data corresponding to the current frame, the image data corresponding to the pixel rows are stored in the frame memory. | 03-27-2014 |
Sang-Jin Pak, Yongin-City KR
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20110221736 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS USING THE SAME - A gate driving circuit for driving a display apparatus is disclosed. The gate driving circuit properly generates gate voltages despite inconsistent transistor characteristics due to processing and environment by maintaining certain nodes in reliably high impedance states. | 09-15-2011 |
20120044171 | LIQUID CRYSTAL DISPLAY INTEGRATED TOUCH SCREEN PANEL - A touch screen panel integrated liquid crystal display device in which a mutual capacitive touch screen panel is integrated with a liquid crystal display panel is provided. The device includes a first substrate, a plurality of pixels on the first substrate and including respective pixel electrodes, a second substrate facing the first substrate, a common electrode on a first surface of the second substrate facing the pixel electrodes, a plurality of sensor electrodes on a second surface of the second substrate and including a plurality of transparent pairs extending in a first direction and having a plurality of protrusions extending in a second direction crossing the first direction, and a liquid crystal layer between the substrates, wherein the device senses a touch position by detecting a change of capacitance applied to the sensor electrodes corresponding to an alternating current common voltage applied to the common electrode. | 02-23-2012 |
20120081330 | 3-dimensional flat panel display with built-in touch screen panel - A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel. | 04-05-2012 |
20120105347 | FLAT PANEL DISPLAY WITH BUILT-IN TOUCH SENSORS - A flat panel display with built-in touch sensors includes a first substrate having a plurality of gate lines extending in a first direction and a plurality of data lines extending in a second direction and crossing the gate lines, and a plurality of pixels respectively formed in regions defined by the gate and data lines. A second substrate is joined together with the first substrate with a liquid crystal layer interposed therebetween. A plurality of touch sensors are at positions adjacent to the respective pixels between the first and second substrates. Each of the touch sensors includes a conductive column spacer on the second substrate, a semiconductor layer in a region on the first substrate, corresponding to the conductive column spacer, and first and second electrodes respectively overlapped with the semiconductor layer in regions at both ends on the semiconductor layer. | 05-03-2012 |
20120105381 | LIQUID CRYSTAL DISPLAY WITH INTEGRATED TOUCH SCREEN PANEL - A liquid crystal display with an integrated touch screen panel is disclosed. According to some aspects, conductive patterns or conducting patterns provided to the LCD are used as driving electrodes of the touch screen panel. A driving electrode of the touch screen panel may be formed on one surface of a polarizing plate or window attached to the LCD so as to be positioned close to a contact point, thereby improving touch sensitivity. | 05-03-2012 |
20120105752 | LIQUID CRYSTAL DISPLAY WITH INTEGRATED TOUCH SCREEN PANEL AND DRIVING METHOD THEREOF - A liquid crystal display (LCD) with an integrated touch screen panel includes a plurality of pixels connected to a plurality of data lines and a plurality of gate lines, the gate lines being divided into a plurality of groups, a plurality of sensing electrodes, a plurality of common electrodes divided into a plurality of groups, a common electrode driver configured to simultaneously supply a driving signal to common electrodes within each group of the plurality of groups of the common electrodes, and to sequentially supply the driving signal to the plurality of groups of the common electrodes, and a gate driver configured to sequentially supply a gate signal to gate lines within each of the plurality of group of the gate lines. | 05-03-2012 |
20120113339 | Liquid crystal display with integrated touch screen panel - An LCD with an integrated touch screen panel includes a first substrate having a plurality of pixels formed thereon, wherein each pixel of the plurality of pixels is provided with a thin film transistor and a pixel electrode. A second substrate facing the first substrate, having a plurality of common electrodes formed inside thereof. The plurality of common electrodes is arranged in a first direction to correspond to the plurality of pixels. A plurality of sensing electrodes is outside of the second substrate and arranged in a second direction intersecting the first direction. A liquid crystal layer is between the first and the second substrates. A common electrode driver sequentially supplies a driving signal to the common electrodes and supplies a compensation signal having a phase opposite to the driving signal to the common electrodes. | 05-10-2012 |
20120206383 | TOUCH SCREEN PANEL - A touch screen panel includes a display unit including a timing controller for receiving a vertical synchronizing signal and a horizontal synchronizing signal to display an image, a touch sensing unit including driving electrodes, a control signal generator for generating a control signal from the vertical synchronizing signal and the horizontal synchronizing signal, and a touch controller for supplying a driving signal to the touch sensing unit in response to the control signal from the control signal generator. | 08-16-2012 |
20120313866 | TOUCH SCREEN PANEL - A touch screen panel is disclosed. The touch screen panel includes a pixel unit, a touch sensing unit, and a data driver configured to provide data voltages to the pixel unit and to provide driving signals to the touch sensing unit. | 12-13-2012 |
20130249884 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS USING THE SAME - A gate driving circuit includes a plurality of stages, each stage including an input unit to determine a level of voltage to input to a first node based on the first and second input signals and the first clock signal that is input according to the level of the voltage input to the first node and a first gate-off voltage that is input in response to the second clock signal, a second driving unit outputting the gate signals based on the third clock signal input according to the voltage input to the first node and a second gate-off voltage input in response to the second clock signal, and a leakage blocking unit blocking leakage current of a transistor by maintaining a level of voltage input to a third node connected to the first node via at least one transistor. | 09-26-2013 |
20140152716 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a driving method thereof for reducing power consumption. The display device includes a plurality of pixels positioned at intersection portions of gate lines and data lines; a gate driver selectively driving the gate lines; a data driver supplying, to the data lines, data corresponding to the gate line selected from the gate lines; and a timing controller controlling the gate drive and the data driver. In the display device, the timing controller includes an order determination unit that compares data for each gate line and determines a driving order of the gate lines. | 06-05-2014 |
20140184533 | LIQUID CRYSTAL DISPLAY WITH INTEGRATED TOUCH SENSOR - A liquid crystal display integrated with a touch sensor includes a first substrate including pixels connected to gate wires and data wires, a second substrate positioned to face the first substrate, a plurality of common electrodes corresponding to the pixels, a plurality of sensing electrodes on the second substrate, a liquid crystal layer between the first substrate and the second substrate, a gate drive unit driven corresponding to a gate control signal and configured to supply a gate signal to the pixels through the gate wires, a common electrode drive unit configured to supply a touch driving signal to the common electrodes during a touch driving period, and a control unit configured to supply a gate control signal synchronized with the touch driving signal to the gate drive unit. | 07-03-2014 |
20140218415 | PIXEL CIRCUIT OF AN ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF OPERATING THE SAME - A pixel circuit of a display device includes a capacitor having first and second electrodes, a switching transistor having a gate terminal coupled to a scan line, a first terminal coupled to a data line, and a second terminal coupled to the capacitor's first electrode, an emission control transistor having a gate terminal coupled to an emission control line, a first terminal coupled to a power supply, and a second terminal, the emission control line being coupled to the emission control transistor's gate terminal and the capacitor's second electrode, and a panel distribution compensating voltage being applied to the capacitor's second electrode through the emission control line, a driving transistor having a gate terminal coupled to the capacitor's first electrode, a first terminal coupled to the emission control transistor's second terminal, and a second terminal, and an organic light emitting diode coupled to the driving transistor. | 08-07-2014 |
20140240372 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display capable of improving display quality. The organic light emitting display includes effective pixels positioned in an effective display unit, at least one dummy pixels positioned in a dummy display unit in order to generate light with predetermined luminance, at least one photodiodes arranged on the dummy display unit to be adjacent to the dummy pixels, and a sensing unit for extracting first resistance information from organic light emitting diodes (OLED) included in the effective pixels, extracting second resistance information from OLEDs included in the dummy pixels, and extracting luminance information corresponding to the second resistance information from the photodiodes. | 08-28-2014 |
20140292823 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting display includes: a display region including: a plurality of data lines, a plurality of scan lines, and a plurality of pixels coupled to corresponding ones of the data lines and corresponding ones of the scan lines; a timing controller configured to: divide input data into frames, select a set of a plurality of subfields having different time-weighted values for a plurality of gray levels of the input data to generate conversion data, and convert the input data into image data based on the conversion data; a scan driver configured to supply a plurality of scan signals to the scan lines; and a data driver configured to generate a plurality of data signals using the image data and to supply the data signals to the data lines. | 10-02-2014 |
20140313245 | DISPLAY DEVICE FOR REDUCING DYNAMIC FALSE CONTOUR - A display device includes a display panel and a timing controller. The display panel includes a plurality of pixels, and the timing controller determines a driving method that includes a first sub-frame arrangement method and a second sub-frame arrangement method. An arrangement of weight values of a plurality of sub-frames of the second sub-frame arrangement method is given in an opposite order from an arrangement of weight values of a plurality of sub-frames of the first sub-frame arrangement method. The timing controller applies the first sub-frame arrangement method to a first pixel among the pixels, and applies the second sub-frame arrangement method to a second pixel that is disposed next to the first pixel. | 10-23-2014 |
20140354704 | PIXEL, DRIVING METHOD OF THE PIXEL, AND DISPLAY DEVICE INCLUDING THE PIXEL - A pixel of a display device includes: a first and second organic light emitting diodes; a driving transistor which generates a driving current based on a data voltage; and a luminance control transistor which controls an electric connection between the first and second organic light emitting diodes based on a first or second sub-data signal supplied through a sub-data line connected thereto, where when the data voltage is a first data voltage corresponding to a first grayscale, the first and second organic light emitting diodes emit light by the driving current based on the first data voltage in response to the first sub-data signal, and when the data voltage is a second data voltage corresponding to a second grayscale, the first organic light emitting diode emits light by the driving current based on the second data voltage in response to the second sub-data signal. | 12-04-2014 |
20140374712 | ORGANIC LIGHT EMITTING DIODE DEVICE - An organic light emitting device includes an organic light emitting element and a sensor. The organic light emitting element includes an organic layer between an anode and cathode. The sensor detects a quality that provides an indication of the degradation of the organic layer of the light emitting element. The sensor may be a chemical sensor or another type of sensor. The sensor may be fixed permanently within or outside the light emitting element, and electronic measures may be taken to reduce performance loss as a result of the detected degradation of the organic layer. | 12-25-2014 |
20150042614 | TOUCH SCREEN DISPLAY DEVICE - A touch screen display device includes a plurality of pixels and a plurality of touch sensing units. Each touch sensing unit includes a sensing transistor, a first touch electrode between a gate electrode and a semiconductor layer of the sensing transistor, a second touch electrode spaced from the first touch electrode, and a coupling portion to couple the first and second touch electrodes. | 02-12-2015 |
20150130866 | ORGANIC LIGHT-EMITTING DIODE (OLED) DISPLAY AND METHOD FOR DRIVING THE SAME - An organic light-emitting diode (OLED) display and method for driving the same are disclosed. In one aspect, the OLED display includes a plurality of pixels and a compensation unit configured to receive first image data including a gray scale value for each pixel. The compensation unit accumulates the first image data to generate accumulated data, selects a data compensation method for each pixel based at least in part on the accumulated data, and compensates the gray scale value included in the first image data for each pixel based at least in part on the selected data compensation method to generate second image data. The OLED display also includes a data driver configured to convert the second image data into data signals and apply the data signals to the pixels. | 05-14-2015 |
Sang-Jin Pak, Gyeonggi-Do KR
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20140368489 | PIXEL, ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF OPERATING OF THE ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a plurality of data lines, a scan driver, a sensing control line driver, a data driver, and a switching unit. The scan driver supplies a scan signal to a plurality of scan lines. The sensing control line driver supplies a sensing control signal to a plurality of sensing control lines. The data driver supplies a data signal to a plurality of data output lines. The switching unit selectively couples each data line to one of a corresponding data output line and a corresponding sensing line. The switching unit further selectively supplies a write control signal to each write control line. | 12-18-2014 |
Sang-Yang Pak, Chungcheongbuk-Do KR
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20140361801 | PROBE-CONNECTION-TYPE POGO PIN AND MANUFACTURING METHOD THEREOF - The present invention relates to a pogo pin including a probe part and an elastic part, and more particularly, to a probe-connection-type pogo pin including a cylindrical upper probe part, an elastic part, and a cylindrical lower probe part, which are made in one body, to transmit electrical signals between semiconductor wafers, LCD modules, semiconductor packages, electronic parts such as a variety of sockets, etc. Accordingly, it is possible to reduce the manufacturing process and the manufacturing cost, reduce the outside diameter of the pogo pin by making the elastic part formed to surround the cylindrical lower probe part, and reduce the loss and distortion of electrical signal by allowing the upper probe part and the lower probe part to come in surface contact with each other. | 12-11-2014 |
Seo-In Pak, Yongin-Si KR
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20110248342 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND METHOD OF FABRICATING THE SAME - A semiconductor integrated circuit device and method of fabricating a semiconductor integrated circuit device, the method including preparing a first conductivity type substrate including a first conductivity type impurity such that the first conductivity type substrate has a first impurity concentration; forming a buried impurity layer using blank implant such that the buried impurity layer includes a first conductivity type impurity and has a second impurity concentration higher than the first impurity concentration; forming an epitaxial layer on the substrate having the buried impurity layer thereon; and forming semiconductor devices and a device isolation region in or on the epitaxial layer. | 10-13-2011 |
Seong-Joon Pak, Seoul KR
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20080240232 | METHOD AND APPARATUS FOR DISPLAYING VIDEO DATA - Provided are a method and apparatus for displaying video data without displaying delay in a video decoder which cannot judge the end of a picture. The method includes receiving video data including a picture formed of blocks; extracting an address of a current block in the received video data; and selectively displaying the picture based on the extracted address of the current block. | 10-02-2008 |
Seung-Hoon Pak, Seoul KR
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20120214659 | REGENERATIVE CELL EXTRACTION UNIT AND REGENERATIVE CELL EXTRACTION SYSTEM - Provided is a regenerative cell extraction system. The regenerative cell extraction system includes: a regenerative cell separation unit which separates fat tissue; and a regenerative cell extraction unit. The regenerative cell separation unit includes: a sub container which is rotated by a torque applied from an external source and includes a space in which fat tissue is housed; a hollow main pipe which is inserted into the sub container; and a pump which is connected to the main pipe. In addition, the regenerative cell extraction unit receives a regenerative cell-containing substance, which is obtained after the fat tissue is centrifuged by the regenerative cell separation unit, from the regenerative cell separation unit, and extracts regenerative cells from the substance by centrifuging the substance. The regenerative cell extraction unit includes: a main container which is rotated by a torque applied from an external source; a hollow first discharge pipe which is inserted into the main container; and a suction device which is connected to the first discharge pipe; and a plurality of protruding housing portions which bulge outwards along a radius direction with respect to a center of rotation of the main container to accommodate relatively heavy components among components separated from the substance. | 08-23-2012 |
Woo-Guil Pak, Seoul KR
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20080247412 | Hybrid channel assignment method and router thereof - A hybrid channel assignment method comprising the steps of negotiating among routers to select one router to act as a central server; collecting, at the selected router, information on an entire network transmitted from the other routers, and assigning channels based upon the information on the entire network; and reassigning channels of respective routers based upon dynamically-changing traffic characteristics. The hybrid channel assignment method can assign channels using both centralized processing and distributed processing in order to ensure optimally correct channel assignment consistent with present traffic characteristics. This as a result can prevent network resources from being wasted and also increase network capacity, thereby optimizing effective use of the network resources. | 10-09-2008 |
20100271973 | SYSTEM AND METHOD FOR ESTIMATING FLOW-SPECIFIC TRAFFIC VOLUMES - A system and method for exactly estimating a volume of traffic is provided when packets are transferred within the network. The system and method receive data packets from clients through a plurality of router-for-clients, and creating a flow information packet for estimating information about a flow, transfer the data packets and the created flow information packet to the destination router-for-client via a router-for-relay, calculate information about the traffic of a flow at the destination router-for-client through the flow information packets transferred from the router-for-clients, and estimate a volume of the traffic. Thus, the system and method can estimate the volume of the traffic on the network with respect to the aggregated flow defined by the router pair connected to the terminal or the external network when the traffic is actually introduced into the network, instead of the flows of each terminal and each destination. | 10-28-2010 |
Yong Suk Pak, Anyang-Si KR
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20120123781 | TOUCH SCREEN DEVICE FOR ALLOWING BLIND PEOPLE TO OPERATE OBJECTS DISPLAYED THEREON AND OBJECT OPERATING METHOD IN THE TOUCH SCREEN DEVICE - A touch screen device allowing blind people to operate objects displayed thereon and an object operating method in the touch screen device are provided. The touch screen device includes a touch sensing unit generating key values corresponding to touched ‘touch position's of a virtual keyboard for controlling application software being executed, the number of touches and touch time and transmitting the key values to the application software when sensing touches of the virtual keyboard while the virtual keyboard is activated, an object determination unit reading text information of a focused object using hooking mechanism when the application software is executed based on the key values received from the touch sensing unit and the object among objects included in the application software is focused, and a speech synthesis unit converting the text information read by the object determination unit into speech data using a text-to-speech engine and outputting the speech data. | 05-17-2012 |
Young Joon Pak, Pyeongtaek-Si KR
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20090317340 | CONCENTRATED BEVERAGE COMPOSITION FOR CLEANING ORAL CAVITY, METHOD OF MANUFACTURING THE CONCENTRATED BEVERAGE COMPOSITION AND NATURAL TEA COMPRISING THE SAME - Disclosed are a concentrated beverage composition for cleaning an oral cavity, a method of manufacturing the concentrated beverage composition, and a natural tea comprising the same. The concentrated beverage composition may comprise 100 parts by weight of water, 0.1 to 3 parts by weight of a flavoring agent, 1 to 10 parts by weight of mugwort extract, 1 to 15 parts by weight of grapefruit extract, and 1 to 10 parts by weight of radish extract. | 12-24-2009 |
20090317351 | CONCENTRATED BEVERAGE COMPOSITON FOR HAIR HEALTH CARE, METHOD OF MANUFACTURING THE CONCENTRATED BEVERAGE COMPOSITION AND NATURAL TEA COMPRISING THE SAME - Disclosed are a concentrated beverage composition for hair health care, a method of manufacturing the concentrated beverage composition, and a natural tea comprising the same. The concentrated beverage composition for hair health care comprises 100 parts by weight of water, 10 to 20 parts by weight of | 12-24-2009 |
Yukeun Eugene Pak, Seongnam-Si KR
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20160056328 | GREEN-LIGHT EMITTING DEVICE INCLUDING QUATERNARY QUANTUM WELL ON VICINAL C-PLANE - Example embodiments relate to a green-light emitting device including a quaternary quantum well on a vicinal c-plane. The light-emitting device includes a substrate having a vicinal c-plane surface and a light-emitting layer on the vicinal c-plane surface of the substrate. The light-emitting layer includes a quantum well layer of Al | 02-25-2016 |
Yusin Pak, Gwangju KR
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20150362470 | METHOD OF PREPARING GRAPHENE NANORIBBON ARRAYS AND SENSOR COMPRISING THE SAME - Disclosed herein are a method of manufacturing large area graphene nanoribbons, which have no residual layer by interposing a chromium layer between a resist layer and a graphene layer, and a sensor including the graphene nanoribbons. | 12-17-2015 |