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Heo, Daejeon

Jin Hee Heo, Daejeon KR

Patent application numberDescriptionPublished
20110147724ORGANIC THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME - There is provided an organic thin film transistor and a method of manufacturing the same. The organic thin film transistor includes: an insulating substrate on which a plurality of barrier ribs and a plurality of grooves partitioned by the barrier ribs are formed; source and drain electrodes each formed on the grooves spaced apart from each other among the plurality of grooves; a gate electrode formed on the groove between the source and drain electrodes; an opening formed by etching the barrier ribs between the source electrode and the gate electrode and between the gate electrode and the drain electrode; a gate insulating film formed on the opening; and an organic semiconductor layer formed on the gate insulating film. The organic thin film transistor is capable of mass production and has excellent electrical characteristics.06-23-2011

Jin-Seok Heo, Daejeon KR

Patent application numberDescriptionPublished
20100271035BATTERY CELL VOLTAGE MEASURING APPARATUS AND METHOD - Disclosed is a battery cell voltage measuring apparatus and method. The battery cell voltage measuring apparatus comprises a plurality of floating capacitors provided corresponding to a plurality of cells contained in a battery pack; a plurality of switching units provided corresponding to each cell of the battery pack and switchable into a charge mode or a measurement mode; and a cell voltage detector for measuring the voltage of each cell by switching each switching unit into a charge mode to charge the voltage of each cell on each corresponding floating capacitor and time-differentially switching each switching unit into a measurement mode to apply the cell voltage charged on the floating capacitor between a reference potential and a common cell voltage measuring line.10-28-2010
20110210747CELL VOLTAGE MEASURING APPARATUS AND METHOD OF BATTERY PACK - A cell voltage measuring apparatus of a battery pack comprises a plurality of multiplexers connected corresponding to each cell group of the battery pack and operated to output a voltage signal of each cell in each cell group based on a reference potential applied from a corresponding cell group; a plurality of floating capacitors connected corresponding to each cell in each cell group and on which the voltage of each cell is charged and held; a switching means for enabling the voltage of each cell to be charged and held on each corresponding floating capacitor; and a controller for controlling the switching means per each cell group to enable the voltage of each cell to be charged and held on each corresponding floating capacitor and controlling each multiplexer to measure the cell voltage held on each floating capacitor of each cell group connected to each corresponding multiplexer.09-01-2011

Jin-Seong Heo, Daejeon KR

Patent application numberDescriptionPublished
20100232055Information storage devices and methods of operating the same - An information storage device includes a magnetic structure having a buffer track and a plurality of storage tracks connected to the buffer track. A write/read unit is disposed on the magnetic structure, and a plurality of switching devices are respectively connected to the buffer track, the plurality of storage tracks, and the write/read unit. The switching devices that are respectively connected to the buffer track and the storage tracks. The information storage device further includes a circuit configured to supply current to at least one of the magnetic structure and the write/read unit.09-16-2010
20110018647Oscillators using magnetic domain wall and methods of operating the same - An oscillator generates a signal using precession of a magnetic moment of a magnetic domain wall. The oscillator includes a free layer having the magnetic domain wall and a fixed layer corresponding to the magnetic domain wall. A non-magnetic separation layer is interposed between the free layer and the fixed layer.01-27-2011
20110045318Tracks including magnetic layer and magnetic memory devices comprising the same - A magnetic memory device includes a track in which different non-magnetic layers are respectively formed on upper and lower surfaces of a magnetic layer. One of the two non-magnetic layers includes an element having an atomic number greater than or equal to 12. Accordingly, the magnetic layer has a relatively high non-adiabaticity (β).02-24-2011

Joo Hyung Heo, Daejeon KR

Patent application numberDescriptionPublished
20080305525Novel Hansenula Polymorpha Gene Coding for Alpha 1,6-Mannosyltransferase and Process for the Production of Recombinant Glycoproteins with Hansenula Polymorpha Mutant Strain Deficient in the Same Gene - Disclosed are a novel 12-11-2008
20100062485Novel Hansenula Polymorpha Gene Coding for Dolichyl-Phosphate- Mannose Dependent Alpha-1,3 Mannosyltransferase and Process for the Production of Recombinant Glycoproteins With Hansenula Polymorpha Mutant Strain Deficient in - The present invention relates to a process for producing a human-type glycoprotein having reduced glycosylation by genetically manipulating an enzyme involved in glycosylation using a 03-11-2010

Joon Heo, Daejeon KR

Patent application numberDescriptionPublished
20090298831PHENYL PIPERAZINE COMPOUNDS, PHARMACEUTICAL COMPOSITION INCLUDING THE SAME AND USE THEREOF - The present invention relates to novel piperazine derivatives or pharmaceutically acceptable salts thereof, a process for preparing the same, and in particular, a high binding for Serotonin 1A(5-hydroxytryptamine; 5-HT1A) receptor, a pharmaceutical composition for treatment and/or prevention of depression and anxiety including an effective amount of the piperazine compound, and a method of treating depression, anxiety and other conditions related to 5-HT1A receptor in a mammal.12-03-2009
20090298851PHENYL PIPERAZINE COMPOUNDS, PHARMACEUTICAL COMPOSITION COMPRISING THE SAME AND USE THEREOF - The present invention relates to a novel piperazine derivative or pharmaceutically acceptable salt thereof, a process for preparing the same, a pharmaceutical composition for treating central nervous system diseases comprising an effective amount of the piperazine compound and a method of treating central nervous system (CNS) disorder such as psychosis in a mammal.12-03-2009
20110118264PHENYL PIPERAZINE COMPOUNDS, PHARMACEUTICAL COMPOSITION INCLUDING THE SAME AND USE THEREOF - The present invention relates to novel piperazine derivatives or pharmaceutically acceptable salts thereof, a process for preparing the same, and in particular, a high binding for Serotonin 1A(5-hydroxytryptamine; 5-HT1A) receptor, a pharmaceutical composition for treatment and/or prevention of depression and anxiety including an effective amount of the piperazine compound, and a method of treating depression, anxiety and other conditions related to 5-HT1A receptor in a mammal05-19-2011

Jung Nyoung Heo, Daejeon KR

Patent application numberDescriptionPublished
20080280901Pharmaceutical Composition for Preventing and Treating Metabolic Bone Diseases Containing Alpha-Arylmethoxyacrylate Derivatives - The present invention relates to a use of a specific alpha-arylmethoxyacrylate derivative, or its pharmacologically acceptable salt or solvate for preventing and treating metabolic bone diseases.11-13-2008
20100144712TRIAZOLE DERIVATIVES HAVING ANTIFUNGAL ACTIVITY, METHOD FOR THE PREPARATION THEREOF, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME - A triazole derivative of formula 1 or a pharmaceutically acceptable salt, hydrate, solvate or isomer thereof is superior to the conventional antifungal drugs in antifungal activity against a wide spectrum of pathogenic fungi, and has advantageously low toxicity.06-10-2010
20100305324PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING OSTEOPOROSIS OR OBESITY COMPRISING PHENYLTETRAZOLE DERIVATIVE - A phamaceutical composition comprising a phenyltetrazole derivative of formula (I) or a pharmaceutical acceptable salt thereof is effective in preventing or treating osteoporosis, obesity, diabetes, or hyperlipidemia, by regulating protein TAZ.12-02-2010
20120065396ISOINDOLINONE DERIVATIVES, PREPARATION METHOD THEREOF AND A PHARMACEUTICAL COMPOSITION COMPRISING SAME - The present invention relates to an amide compound or a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutical composition comprising the same. The inventive amide compound facilitates bone formation and inhibits bone loss, and is therefore useful for preventing and treating bone disorders such as osteoporosis, osteodystrophy, bone fracture, periodontal disease, Paget's disease, bone metastasis, and rheumatoid arthritis.03-15-2012

Patent applications by Jung Nyoung Heo, Daejeon KR

Kyung Sun Heo, Daejeon KR

Patent application numberDescriptionPublished
20110190163Genome-Wide Construction of Schizosaccharomyces Pombe Heterozygous Deletion Mutants Containing Gene-Specific Barcodes by the Methods of 4-Round Serial or Block PCR, or Total Gene Synthesis Thereof - A method comprising transforming 08-04-2011

Moonbeom Heo, Daejeon KR

Patent application numberDescriptionPublished
20110320121NAVIGATION DEVICE AND ROAD LANE RECOGNITION METHOD THEREOF - Provided is a road lane recognition method in a navigation device, which can differentiate a road lane occupied by a vehicle running on bidirectional lanes, including estimating a vehicle location based on satellite signal received from a carrier-based navigation satellite system and correction information received from a master station; determining a drive direction of the vehicle using vehicle location information and road lane information stored in a digital map; for each road lane in the road lane information, calculating a distance between a center line of the respective road lane and the vehicle location using the vehicle location information and the road lane information; and determining the road lane having a minimum value among the calculated distances as a drive lane.12-29-2011

Moon Beom Heo, Daejeon KR

Patent application numberDescriptionPublished
20110282577NAVIGATION SYSTEM AND METHOD OF RECOGNIZING TRAFFIC LANE USING THE SAME - Provided are a navigation system and a method of recognizing a traffic lane using the same. The navigation system includes an electronic map in which information about roads and spatial data of topographical features around roads are stored, a satellite navigational device that calculates a position and a transverse point of a vehicle on the road using satellite navigation information and the road information, a radio communication unit that receives information about positions of the navigational satellites from a base station, and a lane recognition unit that calculates the number of lane-specific visible satellites and the number of real visible satellites on the basis of information about a lane position of the electronic map, spatial data of the topographical feature located at the transverse point, and the position information of the navigational satellites, and that compares the number of lane-specific visible satellites with the number of real visible satellites to recognize a lane along which the vehicle is traveling. Thus, there are no restrictions in the aspects of installation and maintenance, and accurate lane recognition is possible without an influence on the weather conditions around the road.11-17-2011

Nam Hoe Heo, Daejeon KR

Patent application numberDescriptionPublished
20100043926METHOD FOR PREVENTING CARBON STEEL FROM INTERGRANULAR CRACKING - A method for preventing carbon steel from intergranular cracking utilizing a reducing gas instead of nitrogen gas for a heat treatment of feeder pipes for a pressurized heavy water reactor (PHWR) nuclear power plant. This heat treatment protects carbon from oxidation to prevent the formation of decarburized layers so that the feeder pipes can be prevented from intergranular cracking. In addition, intergranular segregation of impurities is inhibited and intergranular strength of the carbon steel is enhanced. Therefore, no intergranular cracking occurs despite the concentration of stress.02-25-2010

Nam Su Heo, Daejeon KR

Patent application numberDescriptionPublished
20090298706METHOD FOR CELL SURFACE DISPLAYING OF TARGET PROTEINS USING BACILLUS ANTHRACIS EXOSPORIUM - The present invention relates to a method for expressing a target protein on the surface of a microorganism using 12-03-2009

Seung-Jun Heo, Daejeon KR

Patent application numberDescriptionPublished
20110038780NICKEL-CARBONITRIDE SPHERES AND METHOD OF MAKING THE SAME - Disclosed is a method for preparation of a nickel-carbonitride sphere, which includes preparing a melamine-formaldehyde resin, adding a nickel salt and a surfactant to the melamine-formaldehyde resin to prepare a nickel-melamine resin mixture, and conducting spray pyrolysis for the mixture to produce nickel-containing powder including nickel-carbonitride spheres. In addition, this method may further include thermal treatment of the nickel-containing powder.02-17-2011

Sewan Heo, Daejeon KR

Patent application numberDescriptionPublished
20120091968METHOD AND APPARATUS FOR TRACKING MAXIMUM POWER POINT - Disclosed are a method and an apparatus for tracking a maximum power point. An apparatus for tracking a maximum power point according to an exemplary embodiment of the present disclosure includes: a system controller monitoring a plurality of energy sources for each predetermined period and selecting an energy source having a maximum power among the plurality of energy sources; and a maximum power tracking unit limiting an output voltage of the selected energy source to a reference voltage determined by an open circuit voltage of the selected energy source to track the maximum power point from the selected energy source and store the power of the selected energy source in a battery.04-19-2012

Se Wan Heo, Daejeon KR

Patent application numberDescriptionPublished
20090282223DATA PROCESSING CIRCUIT - Provided is a data processing circuit. A control unit outputs an operation control signal and a memory control signal. A plurality of program memories each outputs a command in response to the memory control signal. A plurality of arithmetic sections each selectively performs any one of the commands from the plurality of program memories in response to the operation control signal. Operation modes of the data processing circuit can be flexibly changed according to operation environments.11-12-2009
20100161849MULTI CHANNEL DATA TRANSFER DEVICE - Provided is a multi channel data transfer device. The multi channel data transfer device includes: a plurality of channel control unit connected to a plurality of peripheral devices, respectively; a plurality of control registers storing setting data for controlling an operation of each of the plurality of channel controllers; and a common register controller delivering common setting data to all or part of the plurality of control registers, the common setting data being applied in common to all or part of the plurality of channel controllers.06-24-2010
20110062912ENERGY AND POWER MANAGEMENT INTEGRATED CIRCUIT DEVICE - Provided is an energy and power management integrated circuit (IC) device. The energy and power management IC device includes a plurality of energy conversion devices for harvesting energy from respective energy conversion sources and converting the energy into electric energy, an energy management IC (EMIC) for converting the electric energy converted by the energy conversion devices into stable energy, a storage device for storing the energy or power converted by the EMIC, a power management IC (PMIC) for receiving and distributing the power stored in the storage device, and a plurality of output load devices for consuming the power distributed by the PMIC. Accordingly, it is possible to harvest energy in an environmentally friendly way and semi-permanently use the energy without changing a battery.03-17-2011
20110140680APPARATUS AND METHOD FOR EXTRACTING MAXIMUM POWER FROM SOLAR CELL - An apparatus and method for extracting maximum power from a solar cell are provided. The apparatus includes a solar cell for producing power from solar energy, a maximum power extractor for generating a pulse width modulation signal for extracting the maximum power from the solar cell, and a DC-DC converter for adjusting an amount of current generated from the solar cell according to the pulse width modulation signal.06-16-2011
20110145549PIPELINED DECODING APPARATUS AND METHOD BASED ON PARALLEL PROCESSING - An apparatus and method for decoding moving images based on parallel processing are provided. The apparatus for decoding images based on parallel processing can improve operational performance by pipelining massive-data transmission between processors while performing context-adaptive variable length decoding (CAVLD), inverse quantization (IQ), inverse transformation (IT), motion compensation (MC), intra prediction (IP) and deblocking filter (DF) operations in parallel in units of pluralities of macroblocks (MBs).06-16-2011
20110150036FLEXIBLE THERMOELECTRIC GENERATOR, WIRELESS SENSOR NODE INCLUDING THE SAME AND METHOD OF MANUFACTURING THE SAME - Provided are a flexible thermoelectric generator, a wireless sensor node including the same and a method of manufacturing the same. The flexible thermoelectric generator includes a plurality of P-type semiconductors and a plurality of N-type semiconductors, which are alternately arranged, an upper metal for connecting upper surfaces of the adjacent P-type semiconductor and N-type semiconductor, a lower metal for connecting lower surfaces of the adjacent P-type semiconductor and N-type semiconductor, and alternately disposed with respect to the upper metal, a P-type metal connected to at least one P-type semiconductor among the plurality of P-type semiconductors, and an N-type metal connected to at least one N-type semiconductor among the plurality of N-type semiconductors.06-23-2011
20110153878MEMORY SYSTEM AND INTEGRATED MANAGEMENT METHOD FOR PLURALITY OF DMA CHANNELS - Provided are a memory system and an integrated management method for a plurality of direct memory access (DMA) channels. The memory system includes a memory controller exchanging data with a memory and having a plurality of channels physically separated from each other, and a DMA controller having a plurality of DMA channels physically separated from each other and in contact with the plurality of channels of the memory controller, and exchanging data with the memory via the plurality of DMA channels and the memory controller.06-23-2011

Patent applications by Se Wan Heo, Daejeon KR

Soonki Heo, Daejeon KR

Patent application numberDescriptionPublished
20100236371CUTTING FRAME OF HIGH CUTTING EFFICENCY - Disclosed herein is a cutting frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutting frame such that the cutters correspond to the rectangular unit pieces, wherein the cutters are mounted or formed in the cutting frame based on the array structure of the rectangular unit pieces such that a large majority of the remaining rectangular unit pieces, excluding the uppermost row rectangular unit pieces and the lowermost row rectangular unit pieces, are arranged while being adjacent to different rectangular unit pieces at four sides of each rectangular unit piece, and at least some combinations of adjacent four rectangular unit pieces form an island-type residue in the center thereof.09-23-2010
20100288100Cutting Frame of Low Cutting Loss Ratio - Disclosed herein is a cutting frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutting frame such that the cutters correspond to the rectangular unit pieces, wherein the cutters are mounted or formed in the cutting frame in an array structure of the rectangular unit pieces in which the rectangular unit pieces adjacent to one another at each side thereof have a vertex coincidence ratio equivalent to less than 50%.11-18-2010
20110048209Cutting Frame of High Cutting Efficiency - Disclosed herein is a cutting frame including a plurality of cutters for cutting two or more kinds of rectangular unit pieces having relatively small sizes from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutting frame such that the cutters correspond to the rectangular unit pieces, wherein the cutters are formed in the cutting frame in an array structure of the rectangular unit pieces in which largest-sized rectangular unit pieces are arranged at a central part of a base material based on the height of the base material in the longitudinal direction of the base material, and small-sized rectangular unit pieces are arranged above and below the largest-sized rectangular unit pieces.03-03-2011
20110056354CUTTING FRAME OF HIGH CUTTING EFFICIENCY - Disclosed herein is a cutter frame including a plurality of cutters for cutting one or more kinds of rectangular unit pieces having a relatively small size from a rectangular base material at a predetermined inclination, the cutters being mounted or formed in the cutter frame such that the cutters correspond to the rectangular unit pieces, two of the rectangular unit pieces being arranged mainly in the inclination direction such that the rectangular unit pieces are in contact with each other at one side of each rectangular unit piece, wherein, on the assumption that imaginary vertex coordinates of a leftmost end are (Ax, Ay), and imaginary vertex coordinates of a rightmost end are (Bx, By), when the rectangular unit pieces coincide with each other at a left or right side of each rectangular unit piece, vertex coordinates (B′x, B′y) of the rightmost end are greater than the imaginary vertex coordinates (Bx, By) of the rightmost end based on the imaginary vertex coordinates (Ax, Ay) of the leftmost end in an array having a higher cutting area ratio than the imaginary array.03-10-2011

Sung Hwan Heo, Daejeon KR

Patent application numberDescriptionPublished
20110188635SUPER MINIATURE X-RAY TUBE USING NANO MATERIAL FIELD EMITTER - A super miniature X-ray tube using the nano material field emitter includes a tip-tip-type cathode electrode having the nano material field emitter formed on one end with a planar section thereof to generate an electron beam, a gate electrode formed in a hollow cylindrical shape and surrounding an outer circumference of the cathode electrode, the gate electrode having a tapered portion formed on one end and inclined from inside to outside, the gate electrode receiving a voltage for generating the electron beam, a high voltage insulating portion formed in a hollow cylindrical shape and surrounding an outer circumference of the gate electrode, a anode electrode formed at a predetermined distance from one end of the high voltage insulating portion and receiving an acceleration voltage to accelerate an electron beam generated at the cathode electrode, and an electric field adjusting electrode formed between the high voltage insulating portion and the anode electrode to vary a pattern of an acceleration electric field, wherein the cathode electrode includes an open portion formed on one side to receive therein the electric field adjusting electrode, and an X-ray generating portion formed on the other side to generate an X-ray by a collision of an accelerated electron beam.08-04-2011

Tae Ho Heo, Daejeon KR

Patent application numberDescriptionPublished
20080262032Isoxazoline Derivative and Novel Process for Its Preparation - The present invention relates to an isoxazoline derivative having the cyclic carboxylic acid hemiketal moiety of formula (1) for use as caspase inhibitor, a process for preparing it, and a pharmaceutical composition comprising it.10-23-2008

Tae-Wook Heo, Daejeon KR

Patent application numberDescriptionPublished
20100201535APPARATUS AND METHOD FOR ASSET TRACKING BASED ON UBIQUITOUS SENSOR NETWORK USING MOTION SENSING - Provided are an apparatus and method for asset tracking based on a ubiquitous sensor network (USN) using a motion sensing. The apparatus may include: a motion sensing manager to receive motion sensing information from a sensor; a filtering processor to filter the motion sensing information based on a filtering parameter and to determine whether a motion occurs based on the filtered motion sensing information; and a location information update (LU) manager to perform LU depending on whether the motion occurs.08-12-2010
20110149932ZIGBEE GATEWAY AND MESSAGE IDENTIFICATION METHOD OF THE SAME - A ZigBee gateway includes: an IP network communication unit supporting communications with an IP network; a ZigBee network communication unit supporting communications with a ZigBee network; and a message processing unit generating a forwarding entry containing a service request ID and a transaction sequence ID corresponding to a service request message, when the service request message is received from the IP network, and performing a forwarding operation between the service request message and a response message transmitted from the ZigBee network in response to the service request message, by referring to the forwarding entry.06-23-2011
20110149983AMI GATEWAY APPARATUS FOR PROCESSING LARGE AMI DATA AND VARIOUS APPLICATION PROFILES AND METHOD THEREOF - Provided are an AMI gateway apparatus and method for processing large AMI data and an application profile. The AMI gateway apparatus and method are associated with collecting meter data of smart meters measuring the amount of electricity or the like and transmitting the meter data to an AMI server. Disclosed is a method of reducing an ID type and a method of minimizing meter data to reduce the transmission rate of large AMI data including an ID value and meter data. A method of setting a gateway ID value according to locations and zones is also provided. Those three methods achieve the efficient transmission of large AMI data to an AMI server and is applicable to various gateway apparatuses processing various application profiles such as an HA profile controlling and sensing home appliances, an SE profile providing an AMI service, a TA profile providing mobile services or the like.06-23-2011
20110153107APPARATUS AND METHOD FOR SMART ENERGY MANAGEMENT BY CONTROLLING POWER CONSUMPTION - Disclosed are an apparatus and a method for smart energy management by controlling power consumption. Power consumption information is collected from one or more electrical device groups with a smart meter and electrical devices connected through gateways. When the method estimates that the power consumption will be larger than a threshold value, a control command is outputted to a load controller connected through the gateway and power consumption of electrical devices that belong to the electrical device using group is remotely controlled. According to an embodiment of the present invention, an energy company that produces and supplies energy can supply energy depending on a consumer's demand by using current facilities because the present invention can collect remotely energy consumption, analyze energy consumption patterns, and control automatically the energy consumption of electrical devices installed in a customer's area. The consumer who consumes energy can save the energy consumption and the charge of the energy consumption.06-23-2011

Yoon Hee Heo, Daejeon KR

Patent application numberDescriptionPublished
20100104981COLORED DISPERSION, PHOTORESIST COMPOSITION AND BLACK MATRIX - A colored dispersion according to the present invention comprises a resin including monomers of Formulas 1 to 4, as a binder resin.04-29-2010
20100168266PHOTOSENSITIVE RESIN, METHOD FOR PREPARING THE RESIN, PHOTOSENSITIVE RESIN COMPOSITION AND CURED PRODUCT OF THE RESIN COMPOSITION - Provided are a photosensitive resin and a photosensitive resin composition comprising the photosensitive resin. The photosensitive resin has the structure of Formula 1, which is described in the specification. The photosensitive resin and the photosensitive resin composition have good sensitivity, improved resistance to heat and chemicals, and excellent storage stability. Further provided are a method for preparing the photosensitive resin and a cured product of the photosensitive resin composition.07-01-2010
20100201925FLUORENE-BASED POLYMER CONTAINING URETHANE GROUPS, PREPARATION METHOD THEREOF AND NEGATIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION COMPRISING THE SAME - Provided is a novel fluorene-based polymer having urethane bonds and a method for preparing the fluorene-based polymer. According to the method, a diol compound is condensed with a diisocyanate instead of an acid dianhydride, and then an acid anhydride is reacted with the reaction mixture to introduce desired acid groups into the final polymer. Further provided is a negative-type photosensitive resin composition comprising of the fluorene-based polymer as a binder resin. The composition exhibits improved chemical resistance, good development margin and high sensitivity due to presence of the acid groups despite the low molecular weight of the fluorene-based polymer.08-12-2010
20100331439MULTIFUNCTION URETHANE MONOMER, METHOD OF MANUFACTURING THE MONOMER AND PHOTOSENSITIVE RESIN COMPOSITION INCLUDING THE MONOMER - Disclosed is a multifunctional urethane monomer prepared by reacting (a) an epoxy compound having two or more epoxy groups, (b) a diol compound having an acidic group and (c) a compound having an ethylenically unsaturated group and an isocyanate group with one another. The photosensitive resin composition comprising the multifunctional urethane monomer has low viscosity, superior sensitivity, excellent chemical resistance and heat-resistance and high development margin.12-30-2010
20120004341ALKALI SOLUBLE RESIN POLYMER AND NEGATIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION INCLUDING THE SAME - Provided are an alkali soluble binder resin that includes a monomer including an unsaturated double bond, an unsaturated double bond character monomer including a carboxylic acid and an unsaturated double bond character monomer including an allyl group as a repeating unit, in which a molecular weight distribution (Mw/Mn) is in a range of about 2.0 to about 3.5, and a negative-type photosensitive resin composition including the alkali soluble binder resin. Re-solubility, fine-patterned substrate adhesion and dispersion stability may be improved by including the alkali soluble binder resin according to the present invention.01-05-2012