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Lee, Daejeon Metropolitan City
Byung-Hyun Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100060834 | COPOLYIMIDE, LIQUID CRYSTAL ALIGNING LAYER COMPRISING THE SAME , AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to a novel polyimide copolymer, a method of preparing the polyimide copolymer, a liquid crystal aligning layer including the polyimide copolymer, a method of producing the liquid crystal aligning layer, and a liquid crystal display including the liquid crystal aligning layer. The liquid crystal aligning layer that includes the polyimide copolymer according to the present invention is advantageous in that when ultraviolet rays are radiated on movable chains of the polyamic acid copolymer to perform alignment before a polyimide copolymer is imidized and heat treatment is then performed to conduct imidization, thermal stability is excellent, residual images are not formed, and alignment of liquid crystals is excellent. | 03-11-2010 |
| 20100076166 | CYCLIC OLEFINS COMPOUNDS, POLYMERS COMPRISING THE SAME AND LIQUID CRYSTAL ALIGNMENT FILMS INCLUDING THE POLYMERS - The present invention relates to a novel cyclic olefin compound, a polymer including the cyclic olefin compound, a liquid crystal alignment film including the polymer, and a liquid crystal display device including the liquid crystal alignment film. Since the polymer includes the cyclic olefin compound as a main chain, the thermal stability is excellent and the photoreactive speed is high. Accordingly, the production time can be reduced, the production cost can be reduced, and the anchoring force of the liquid crystal can be increased because the alignment property is stabilized due to the curing. | 03-25-2010 |
Chang-Soon Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100145068 | Dendritic Photoactive Compound Comprising Oxime Ester And Method For Preparing The Same - The present invention relates to a dendritic photoactive compound that comprises oxime ester and a method for producing the same. Since the compound according to the present invention comprises two or more oxime ester groups and chromophores in one molecule at the same time, the solubility in respects to the organic solvent and the efficiency for producing a radical by absorbing ultraviolet rays are excellent. In addition, it can act as an effective initiator in respects to the photopolymerization of the unsaturated group, in particular, the acryl compound | 06-10-2010 |
Chan-Hong Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100202049 | OPTICAL FILM AND METHOD OF MANUFACTURING THE SAME - The present invention provides an optical film and a retardation film that each include an acryl resin, and 20 to 65 parts by weight of a graft copolymer including a conjugated diene rubber based on 100 parts by weight of the acryl resin, and an electronic device including the same. | 08-12-2010 |
Dae-Woong Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090079334 | Novel Anthracene Derivatives, Process for Preparation Thereof, and Organic Electronic Light Emitting Device Using the Same - The present invention relates to a novel anthracene derivative, a process for preparation thereof, and an organic electronic device using the same. The anthracene derivative according to the present invention can serve as a hole injecting material, a hole transporting material, an electron injecting material, an electron transporting material, or a light emitting material, and particularly as a light emitting host or dopant, especially as a green host or dopant singly, in an organic electronic device including an organic light emitting device. The organic electronic device according to the present invention exhibits excellent characteristics in efficiency, drive voltage, life time, and stability. | 03-26-2009 |
| 20100071769 | FLUORENE DERIVATIVES AND ORGANIC ELECTRONIC DEVICE USING THE SAME - Disclosed is a novel fluorene derivative and an organic electronic device using the same. The organic electronic device has excellent efficiency, driving voltage, and a lifespan. | 03-25-2010 |
| 20100117064 | ORGANIC METAL COMPLEXES DERIVATIVE AND ORGANIC LIGHT EMITTING DEVICES USING THE SAME - The present invention relates to a novel organic metal complex derivative and to an organic light emitting device comprising the same. | 05-13-2010 |
| 20100171116 | ORGANIC METAL COMPLEXS DERIVATIVE AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME - The present invention relates to an organometallic complex derivative containing both 8-hydroxy-2-methylquinolato ligand and another ligand containing either Deutrium or Fluorine. The compound can be used for an organic material layer of an organic electronic device or an organic light emitting device. | 07-08-2010 |
| 20110024725 | ANTHRACENE DERIVATIVES AND ORGANIC ELECTRONIC DEVICE USING THE SAME - The present invention relates to a novel anthracene derivative and an organic electronic device using the same. The organic electronic device according to the present invention shows excellent characteristics in efficiency, driving voltage, and life time. | 02-03-2011 |
| 20110114934 | NEW ANTHRACENE DERIVATIVE AND AN ORGANIC ELECTRONIC DEVICE USING THE SAME - The present invention relates to a novel anthracene derivative and an organic electronic device using the same. The anthracene derivative can act as a hole injecting, hole transporting, electron injecting and transporting, or light emitting material in an organic light emitting device and an organic electronic device. In particular, the anthracene derivative can act as a light emitting host. The organic electronic device according to the present invention has excellent characteristics in views of efficiency, the driving voltage, and the stability. | 05-19-2011 |
Dong Won Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100150291 | BLANKET USING LITHIUM NANOFLUID AND FUSION REACTOR HAVING THE SAME - Disclosed are a blanket using lithium nanofluid and a fusion reactor including the same. The blanket multiplies a fuel of the fusion reactor using lithium nanofluid, and applies the lithium nanofluid to a cooling process of cooling the blanket. In this instance, the lithium nanofluid is preferably obtained by dispersing a metal or a metal oxide nano-particle in liquid lithium. Also, the fusion reactor includes a blanket to accommodate plasma to generate a thermal energy due to a reaction of the plasma, a fuel feeding unit to feed a fuel required for the reaction of the plasma, the fuel feeding unit being connected to the blanket, a coolant feeding unit to feed a coolant, and a coolant transfer unit to transfer the coolant by connecting the blanket with the coolant feeding unit. | 06-17-2010 |
Doo-Young Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080309352 | APPARATUS AND METHOD OF WATER ABSORPTION TEST FOR GENERATOR STATOR WINDING INSULATOR USING CROSS CAPACITANCE - A method of water absorption for a generator stator winding insulator using a cross capacitance involves detecting a state of the insulator of the stator winding of the generator using a theory of the cross capacitance, and carrying out the water absorption test of the insulator of the stator winding of the power generator using the detected state in the detecting. | 12-18-2008 |
Eun-Sil Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100136308 | MULTIPLE-LAYER, MULTIPLE FILM HAVING THE SAME AND ELECTRONIC DEVICE HAVING THE SAME - The present invention provides a multiple layer that comprises two or more first inorganic material layers; and one or more second inorganic material layers that are positioned between the two first inorganic material layers and have the thickness of more than 0 nm and less than 5 nm, in which the first inorganic material layer is formed of one or more materials that are selected from silicon oxides, silicon carbide, silicon nitride, aluminum nitride and ITO, and the second inorganic material layer is formed of one or more materials that are selected from magnesium, calcium, aluminum, gallium, indium, zinc, tin, barium, and oxides and fluorides thereof, a multiple film that comprises the multiple layer, and an electronic device that comprises the multiple film. | 06-03-2010 |
| 20100279092 | MULTIPLE-LAYER FILM AND METHOD FOR MANUFACTURNIG THE SAME - The present invention provides a multiple layer film comprising a substrate layer and a multiple layer having two or more sub-layers formed by use of a single target material, provided on at least one side of the substrate layer; and a method for manufacturing the same. | 11-04-2010 |
Hee-Jean Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100010177 | Method for Preparing Norbornene Monomer Composition, Norbornene Polymer Prepared Therefrom, Optical Film Comprising the Norbornene Polymer, and Method for Preparing the Norbornene Polymer - Disclosed is a method for producing a norbornene monomer composition, a norbornene polymer produced using the norbornene monomer composition, an optical film including the norbornene polymer, and a method for producing the norbornene polymer. The method includes reacting a reaction solution that contains cyclopentadiene, dicyclopentadiene, or a mixture of cyclopentadiene and dicyclopentadiene, an acetate compound, and a solvent so that a content of an exo isomer is 50 mol % or more. Variables such as a reaction temperature, a reaction time, a molar ratio between reactants, and addition of a solvent are controlled so that the exo isomer is contained in content of 50 mol % or more. Accordingly, it is possible to industrially produce an acetate norbornene addition polymer by using the acetate norbornene monomer composition containing the exo isomer in content of 50 mol % or more. | 01-14-2010 |
Hee-Jin Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100076166 | CYCLIC OLEFINS COMPOUNDS, POLYMERS COMPRISING THE SAME AND LIQUID CRYSTAL ALIGNMENT FILMS INCLUDING THE POLYMERS - The present invention relates to a novel cyclic olefin compound, a polymer including the cyclic olefin compound, a liquid crystal alignment film including the polymer, and a liquid crystal display device including the liquid crystal alignment film. Since the polymer includes the cyclic olefin compound as a main chain, the thermal stability is excellent and the photoreactive speed is high. Accordingly, the production time can be reduced, the production cost can be reduced, and the anchoring force of the liquid crystal can be increased because the alignment property is stabilized due to the curing. | 03-25-2010 |
Hyo-Sun Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090002613 | Retardation Compensators of Negative C-Type For Liquid Crystal Display - Disclosed is a negative C-type retardation compensator for a liquid crystal display. The negative C-type retardation compensator for the liquid crystal display includes polyarylate having a thio group or a sulfur oxide group in a polymer main chain thereof. Accordingly, the retardation compensator has an absolute value of negative retardation that is larger in a thickness direction than a retardation compensator which includes polyarylate having no thio group or sulfur oxide group in a polymer main chain thereof even though the retardation compensator having the thio group or sulfur oxide group and the retardation compensator having no thio group or sulfur oxide group are the same as each other in thickness. Thereby, the negative C-type retardation compensator for liquid crystal displays is capable of being desirably applied to the liquid crystal displays. | 01-01-2009 |
| 20090036634 | Process for Preparing Polyarylate - The present invention relates to a process for preparing polyarylate, and more specifically, to a process for preparing polyarylate by interfacial polymerization of a bivalent phenol compound and an aromatic dicarboxylic acid or a halide thereof, which comprises mixing a cationic catalyst for the phase transition and a nonionic surfactant in a predetermined ratio, to further increase the yield of polyarylate, as compared with the case of using each of the nonionic surfactant and the cationic catalyst for the phase transition alone. | 02-05-2009 |
In-Su Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100069584 | APPARATUS AND METHOD FOR RECOVERING POLYMER - The present invention provides an apparatus for recovering a polymer from polymer solution, and a method of recovering a polymer using the apparatus. The apparatus includes a polymer solution-storage tank for storing a polymer solution; a polymer solution feeding pump for pumping the polymer solution from the polymer solution storage tank; an antisolvent storage tank for storing an antisolvent; an antisolvent feeding pump for pumping the antisolvent from the antisolvent storage tank; a reaction chamber to which the polymer solution pumped by the polymer solution feeding pump and the antisolvent pumped by the antisolvent feeding pump are supplied; a high-speed mixer that is rotated in the reaction chamber at a speed range of 1000 to 30000 rpm, mixes the polymer solution with the antisolvent under a shearing force corresponding to a tip speed of 5 to 30 m/sec, and precipitates a polymer; and a precipitate storage tank for storing the precipitation mixture of the polymer and the solvent/antisolvent. | 03-18-2010 |
Jae-Cho Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090079334 | Novel Anthracene Derivatives, Process for Preparation Thereof, and Organic Electronic Light Emitting Device Using the Same - The present invention relates to a novel anthracene derivative, a process for preparation thereof, and an organic electronic device using the same. The anthracene derivative according to the present invention can serve as a hole injecting material, a hole transporting material, an electron injecting material, an electron transporting material, or a light emitting material, and particularly as a light emitting host or dopant, especially as a green host or dopant singly, in an organic electronic device including an organic light emitting device. The organic electronic device according to the present invention exhibits excellent characteristics in efficiency, drive voltage, life time, and stability. | 03-26-2009 |
Jeong Su Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090204362 | INDOOR LOCATION DETERMINATION SYSTEM AND METHOD - Disclosed are a system and a method for an indoor location determination using a matrix pencil. The system comprises a transmitter node that creates and transmits a transmission packet having a plurality of same symbols. A receiver node receives the transmission packet, calculates a delay time by using the symbols in the transmission packet and a matrix pencil algorithm, and calculates a distance between the transmitter node and the receiver node by using the delay time. The delay time estimation using the matrix pencil can reduce an error ratio and therefore can estimate more exactly the distance between the nodes. | 08-13-2009 |
Jong-Chan Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090326131 | Polypropylene-Based Resin Composition And Automobile Parts Using The Same - The present invention provides a polypropylene-based resin composition, which comprises of a) a polypropylene; b) an ethylene 1-octene copolymer in which r | 12-31-2009 |
Jong-Hun Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090273838 | Optical film and information technology apparatus comprising the same - The present invention relates to an optical film comprising an aromatic based unit having chain having the hydroxy group containing portion and aromatic moiety; and a styrene-based unit comprising one or more styrene-based derivatives, and has absolute values of in-plane retardation (R | 11-05-2009 |
| 20090275718 | Resin composition and optical films formed by using the same - The present invention relates to a transparent resin composition which comprises (a) a (meth)acrylate based unit comprising one or more (meth)acrylate based derivatives; (b) an aromatic based unit having a chain having the hydroxy group containing portion and an aromatic moiety and (c) a styrene-based unit comprising one or more styrene-based derivatives, and an optical film that is formed by using the same. | 11-05-2009 |
Jong-Taik Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090181218 | Conductive pattern and method of forming thereof - The present invention relates to a conductive pattern and a method for forming the conductive pattern, and more particularly, to a method for forming a conductive pattern, which comprises the steps of 1) preparing a substrate; 2) forming a first pattern by printing a first composition that includes an adhesion promoter and a solvent on the substrate; 3) forming a second pattern by printing a second composition that includes a conductive particle and a solvent on the first pattern; and 4) sintering the first pattern and the second pattern. The method for forming the conductive pattern according to the present invention may improve an adhesion property between a pattern and a substrate and may form a fine pattern having high resolution without formation of bank on a hydrophobic substrate. | 07-16-2009 |
Jung-A Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090286943 | Process For Preparation Of Olefin Polymers - The present invention relates to a preparation method of olefin polymers using a catalyst composition containing a transition metal compound. In detail, the present invention provides a preparation method of olefin polymer using a catalyst composition comprising a transition metal compound, wherein the preparation method comprises introducing a scavenger to a continuous solution polymerization reactor in a specific range of amount to give the olefin polymer with good productivity. | 11-19-2009 |
| 20100062927 | METHOD FOR PREPARING TRANSITION METAL COMPLEXES, TRANSITION METAL COMPLEXES PREPARE USING THE METHOD, CATALYTS COMPOSITION CONTAINING THE COMPLEXES - The present invention provides a novel transition metal complex where a monocy-clopentadienyl ligand to which an amido group is introduced is coordinated, a method for synthesizing the complex, and olefin polymerization using the same. The method for preparing a transition metal complex according to the present invention comprises a step of blocking a by-reaction of a nitrogen atom using a compound containing a protecting group, and thus it is possible to prepare a transition metal complex in a simpler manner in a high yield. Further, the transition metal complex according to the present invention has a pentagon ring structure having an amido group connected by a phenylene bridge in which a stable bond is formed in the vicinity of a metal site, and thus, sterically monomers can easily approach the transition metal complex. When a catalyst composition comprising the transition metal complex is applied in copoly-merization of ethylene and monomers having large steric hindrance, a very low density polyolefin copolymer having a density of less than 0.910 g/cc, in addition to a polyolefin having a high molecular weight and a linear low density, can be prepared. Furthermore, the reactivity is also very high. | 03-11-2010 |
| 20100113721 | NOVEL FOURTH GROUP TRANSITION METAL COMPOUND HAVING CYCLOPENTADIENYL LIGAND, METHOD OF PREPARING COMPOUND, AND METHOD OF PREPARING OLEFIN POLYMER USING COMPOUND - The present invention relates to a novel cyclopentadienyl compound, a fourth group transition metal compound having the cyclopentadienyl compound, a method of preparing the fourth group transition metal compound, a method of preparing an olefin polymer by using the fourth group transition metal compound, and an olefin polymer prepared by using the method. | 05-06-2010 |
| 20100179291 | LONG CHAIN-BRANCHED ETHYLENE-ALPHA OLEFIN COPOLYMER - The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced. | 07-15-2010 |
Jung-Min Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090281264 | Method of Deashing From Polymer Solutions - Disclosed is a method of removing a residual catalyst metal compound from a polymer solution. The method comprises the steps of: a) mixing a solution in which at least one organic nitrogen compound is dissolved in a polar solvent and the polymer solution to precipitate a chelate compound of the organic nitrogen compounds and the residual catalyst metal compound, b) adding the polar solvent to the solution mixture to dissolve a chelate compound and to precipitate a polymer, and c) filtering the precipitated polymer. After the polymer polymerization is completed, an organic nitrogen compound solution is added to perform a chelate reaction with the residual catalyst metal compound in a solution phase, and the polar solvent is added to precipitate the polymer so that only polymer precipitates are filtered while an additional filtration process in respect to the chelate compound is not performed to easily remove the residual catalyst metal compound. Thereby, it is possible to produce products that are of good quality. | 11-12-2009 |
| 20100010177 | Method for Preparing Norbornene Monomer Composition, Norbornene Polymer Prepared Therefrom, Optical Film Comprising the Norbornene Polymer, and Method for Preparing the Norbornene Polymer - Disclosed is a method for producing a norbornene monomer composition, a norbornene polymer produced using the norbornene monomer composition, an optical film including the norbornene polymer, and a method for producing the norbornene polymer. The method includes reacting a reaction solution that contains cyclopentadiene, dicyclopentadiene, or a mixture of cyclopentadiene and dicyclopentadiene, an acetate compound, and a solvent so that a content of an exo isomer is 50 mol % or more. Variables such as a reaction temperature, a reaction time, a molar ratio between reactants, and addition of a solvent are controlled so that the exo isomer is contained in content of 50 mol % or more. Accordingly, it is possible to industrially produce an acetate norbornene addition polymer by using the acetate norbornene monomer composition containing the exo isomer in content of 50 mol % or more. | 01-14-2010 |
Keon-Woo Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100105793 | Polymer Resin Compounds And Photoresist Composition Including New Polymer Resin Compounds - The present invention relates to a polymer resin compound including a new polycyclic compound, and a photosensitive resin composition including the polymer resin compound as an effective binder matrix. In particular, the photosensitive resin composition according to the present invention uses a polymer resin compound, which includes a compound having double cyclic structure in one molecule as a monomer, as a binder matrix. Accordingly, the photosensitive resin composition has an excellent photosensitivity and an excellent developing property, and has a low distortion property during plastic processing. For this reason, the photosensitive resin composition has an advantage of curing various transparent photosensitive materials used to manufacture a color filter of a liquid crystal display, for example, a column spacer, an overcoat, a passivation material, and the like. | 04-29-2010 |
| 20100118244 | METHOD OF MANUFACTURING SPACER FOR LIQUID CRYSTAL DISPLAY DEVICE, SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE HAVING SPACER MANUFACTURED BY THE METHOD AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - The present invention provides a method of manufacturing a spacer for a liquid crystal display device that includes a step a) of forming a spacer body on a substrate body and a step b) forming a passivation film on the spacer body, a substrate for a liquid crystal display device having the spacer manufactured by the method, and a liquid crystal display device having the substrate for the liquid crystal display device. | 05-13-2010 |
Ki-Soo Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100093959 | SUPPORTED CATALYST FOR OLEFIN POLLYMERIZATION USING TRANSITION METAL COMPOUND HAVING THENYLENE-BRIDGE, METHOD FOR PREPARING THE SAME, AND METHOD FOR PREPARING POLYOLEFINGUSINGTHED SAME - The present invention provides a new supported catalyst for olefin polymerization prepared by reacting a novel transition metal compound on a cocatalyst-supported support, in which the transition metal compound is coordinated with a monocyclopentadienyl ligand to which an amido-quinoline group is introduced, a method for preparing the same, and a method for preparing a polyolefin using the same. The transition metal catalyst compound used in the present invention is configured such that an amido group is linked in a cyclic form via a phenylene bridge. Thus, a pentagon ring structure of the transition metal compound is stably maintained, so that monomers easily approach the transition metal compound and the reactivity is also high. Accordingly, if the supported catalyst for olefin polymerization prepared according to the present invention is applied to the copolymerization of ethylene and monomers having large steric hindrance in a slurry or a gas phase process, a linear, a linear, high molecular weight polyolefin having a very low density of 0.900 to 0.970 g/cc or less can be obtained. | 04-15-2010 |
| 20100121006 | POLYOLEFIN AND PREPARATION METHOD THEREOF - The present invention relates to a polyolefin that has high environmental stress cracking resistance (ESCR), a high impact property, and an excellent die swell property, and a method of preparing the same. According to the method of preparing polyolefin of the present invention, a supported hybrid metallocene catalyst and an alpha olefin comonomer having 4 or more carbon atoms are used to obtain polyolefin having the bimodal or multimodal molecular weight distribution curves during the single reactor polymerization. The polyolefin has excellent processability, a melt flow rate ratio (MFRR) that is useful to processing, excellent shapability, impact strength, tensile strength, in particular, environmental stress cracking resistance (ESCR) and full notch creep test (FNCT), thus being used to manufacture the blow molded product. | 05-13-2010 |
| 20100324321 | AMINE BRIDGED METALLOCENE CATALYST, METHOD FOR PREPARING THEREOF AND METHOD FOR POLYMERIZING ETHYLENE-ALPHA OLEFIN COPOLYMER USING AMINE BRIDGED METALLOCENE CATALYST - The present invention relates to an amine bridged metallocene catalyst, a method for producing the same, and a method for producing an ethylene-alpha olefin copolymer, which comprises polymerizing ethylene and alpha olefin in the presence of an olefin polymerization catalyst composition including a metallocene catalyst. The amine bridged metallocene catalyst may be produced by reacting one or more of substituted or unsubstituted cyclopentadiene and substituted or unsubstituted fluorene with amine to bridge them with nitrogen, and reacting them with a transition metal to coordinate them. | 12-23-2010 |
Kwang-Joo Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100113640 | ALKALI DEVELOPABLE PHOTOSENSITIVE RESIN COMPOSITION AND DRY FILM MANUFACTURED BY THE SAME - The present invention relates to a polyimide photosensitive resin composition that is capable of being developed by an alkali aqueous solution, and a dry film that is produced by the same, and more particularly to a photosensitive resin composition which comprises a) a polyamic acid, b) two or more (meth)acrylate-based compounds that include one or more double bonds between carbons, c) a photopolymerization initiator, d) a phosphorus-based flame retardant, and e) an organic solvent, and a dry film that is produced by the same. | 05-06-2010 |
| 20100316877 | METHOD FOR PREPARING POLYIMIDE AND POLYIMIDE PREPARED USING THE SAME - The present invention relates to a method for preparing polyimide having excellent heat resistance and processibility and, more particularly, to a method of preparing polyimide which has desirable mechanical strength during curing at low temperatures and excellent processibility to be used as an insulating film of a metal laminate plate or a coverlay film for print substrates or hard disks, and polyimide prepared using the same. | 12-16-2010 |
Min-Jeong Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090166613 | Composition for Forming Gate Insulating Layer of Organic Thin-Film Transistor and Organic Thin Film Transistor Using the Same - The present invention relates to a composition for forming a gate insulating layer of an organic thin film transistor comprising polyarylate, and an organic thin film transistor comprising a gate insulating layer, which is formed using the composition, in contact with an organic semiconductor channel. | 07-02-2009 |
| 20100240910 | POLYHETEROCYCLIC COMPOUND, ORGANIC ELECTRONIC DEVICE USING POLYHETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC ELECTRONIC DEVICE - Disclosed is a novel polyheterocyclic compound, an organic electronic device using the polyheterocyclic compound, and an electronic apparatus including the organic electronic device. The polyheterocyclic compound has excellent solubility to solvent and high charge mobility. The organic electronic device produced by using the polyheterocyclic compound has excellent performance and is easily produced. | 09-23-2010 |
Nam-Jeong Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090273838 | Optical film and information technology apparatus comprising the same - The present invention relates to an optical film comprising an aromatic based unit having chain having the hydroxy group containing portion and aromatic moiety; and a styrene-based unit comprising one or more styrene-based derivatives, and has absolute values of in-plane retardation (R | 11-05-2009 |
| 20090275718 | Resin composition and optical films formed by using the same - The present invention relates to a transparent resin composition which comprises (a) a (meth)acrylate based unit comprising one or more (meth)acrylate based derivatives; (b) an aromatic based unit having a chain having the hydroxy group containing portion and an aromatic moiety and (c) a styrene-based unit comprising one or more styrene-based derivatives, and an optical film that is formed by using the same. | 11-05-2009 |
| 20100165263 | OPTICAL FILM,PROTECTION FILM POLARIZER FILM,POLARIZER PLATE FABRICATED THEREFORM,AND DISPLAY DEVICE EMPLOYING THEROF - The present invention provides an optical film including a copolymer that includes (a) an alkene monomer, (b) an acrylate monomer, and (c) at least one of an unsaturated organic acid monomer and an unsaturated acid anhydride monomer having one or more double bonds, a protective film for a polarizer film, and a polarizer plate and an image display device using the same. | 07-01-2010 |
Nan-Young Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100036067 | CATALYST SYSTEM FOR OLEFIN POLYMERIZATION COMPRISING TRIOXASILOCANE AND METHOD FOR OLEFIN POLYMERIZATION USING THE SAME - The present invention relates to a catalyst system for olefin polymerization and a method for olefin polymerization using the same. More particularly, the present invention relates to a Ziegler-Natta catalyst system for olefin polymerization comprising a transition metal compound as a main catalyst component, an organic metal compound as a cocatalyst component, and a cyclic organosilane compound, trioxasilocane as an external electron donor, and a method for olefin polymerization using the same. According to the present invention, a polyolefin having improved various properties such as polymerization activity, melt-flow ability, isotacticity, molecular weight distribution and apparent density can be produced. | 02-11-2010 |
Sang-Gi Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100130792 | Catalyst Composition Including Phosphite Ligands and Hydroformylation Method Using the Same - The present invention relates to a catalyst composition that includes a bis-phosphite ligand, a poly-phosphite ligand or a mono-phosphite ligand, and a transition metal catalyst, and a hydroformylation reaction using the same. The catalyst composition has the excellent catalytic activity, and the normal/iso (N/I) selectivity of aldehyde generated by the hydroformylation reaction using the same is increased. | 05-27-2010 |
| 20100185018 | METHOD FOR THE HYDROFORMYLATION OF OLEFINS AND APPARATUS USING THE SAME - The present invention relates to a method for preparing aldehydes by reacting olefins with a synthesis gas including carbon monoxide and hydrogen, and to an apparatus therefore. More particularly, the present invention relates to a method for preparing aldehydes, characterized by spraying and supplying olefins, synthesis gas including carbon monoxide and hydrogen, and a catalyst composition into an oxo reactor through a nozzle, and to an apparatus therefore. According to the present invention, the hydroformylation efficiency can be improved, thereby obtaining desirable aldehydes with a high yield. | 07-22-2010 |
| 20100324339 | PHOSPHORUS-CONTAINING CATALYST COMPOSITION AND HYDROFORMYLATION PROCESS USING THE SAME - The present invention relates to a catalyst composition that includes a triphenylphosphine ligand, a monodentate phosphine ligand, a monodentate phosphine oxide ligand, and a transition metal catalyst, and a hydroformylation process using the same. In the hydroformylation process using the catalyst composition according to the present invention, the high catalytic activity can be obtained, and the selectivity (N/I selectivity) in respects to normal- or iso-aldehyde can be desirably controlled. | 12-23-2010 |
| 20110135544 | Apparatus For The Hydroformylation Of Olefins - The present invention relates to a method for preparing aldehydes by reacting olefins with a synthesis gas including carbon monoxide and hydrogen, and to an apparatus therefore. More particularly, the present invention relates to a method for preparing aldehydes, characterized by spraying and supplying olefins, synthesis gas including carbon monoxide and hydrogen, and a catalyst composition into an oxo reactor through a nozzle, and to an apparatus therefore. According to the present invention, the hydroformylation efficiency can be improved, thereby obtaining desirable aldehydes with a high yield. | 06-09-2011 |
Sang-Gug Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20110006849 | HARMONIC REJECTION MIXER AND HARMONIC REJECTION MIXING METHOD - Provided are a harmonic rejection mixer and a harmonic rejection mixing method. A plurality of oscillator signals having a ⅓ duty cycle and uniform phase differences may be generated and a differential or quadrature mixer with harmonic rejection may be realized by using the oscillator signals. | 01-13-2011 |
Sang-Sung Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20110006849 | HARMONIC REJECTION MIXER AND HARMONIC REJECTION MIXING METHOD - Provided are a harmonic rejection mixer and a harmonic rejection mixing method. A plurality of oscillator signals having a ⅓ duty cycle and uniform phase differences may be generated and a differential or quadrature mixer with harmonic rejection may be realized by using the oscillator signals. | 01-13-2011 |
Sun Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080280323 | Method for Producing Epidermal Growth Factor Using Fusion Proteins Comprising Fas-1 Domain - The present invention provides a fusion protein in which a polypeptide comprising Fas-1 domain is fused in frame to N-terminal or C-terminal of human EGF, a nucleotide sequence encoding the fusion protein, an expression vector containing the nucleotide sequence, a transformant transformed by the nucleotide sequence and a method for producing human EGF, improving stability of the protein and enhancing the functions of the same. The present invention provides human EGF with improved stability and enhanced functions by fusing a polypeptide comprising Fas-1 domain having the activities of cell adhesion and wound healing to human EGF. | 11-13-2008 |
Su-Rim Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090268298 | Pdp filter and manufacturing method thereof - Disclosed herein is a PDP filter having a laminated structure of a transparent conductive film type electromagnetic wave-shielding layer and one or more other functional layers, in which at least two edge portions of the surface of the transparent conductive film type electromagnetic wave-shielding layer, which is in contact with the functional layer, are not exposed outside the laminated structure of the PDP filter. | 10-29-2009 |
| 20100053035 | ELECTROMAGNETIC WAVE-SHIELDING FILM HAVING NEAR INFRARED SHIELDING FUNCTION AND TRANSPARENCY FUNCTION, OPTICAL FILTER AND PLASMA DISPLAY PANEL COMPRISING THE SAME - The present invention provides an electromagnetic wave-shielding film which includes a transparent substrate, an electromagnetic wave-shielding layer which includes a conductive pattern formed in at least a portion of the transparent substrate, and an adhesive transparency layer which is formed on the electromagnetic wave-shielding layer to fill a groove of the conductive pattern and contains a near infrared-absorbing dye, and an optical filter and a plasma display panel including the electromagnetic wave-shielding film. | 03-04-2010 |
| 20100285293 | MULTIFUNCTIONAL ADHESIVE FILM, PLASMA DISPLAY PANEL FILTER CONTAINING THE SAME AND PLASMA DISPLAY PANEL CONTAINING THE SAME - The present invention relates to a multifunctional adhesive film that has at least one of a near IR absorption dye and/a color correction dye and a UV stabilizer, a plasma display panel filter including the same and a plasma display panel including the same. | 11-11-2010 |
Tae-Joong Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100141693 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD FOR DRIVING THE SAME - The present invention provides an organic light-emitting display apparatus and a method of driving the same. The organic light-emitting display apparatus comprises a substrate; scan lines and data lines that are formed on the substrate to cross with each other; stacked organic light-emitting diodes that are connected to the scan lines and the data lines on the substrate and each have two sub-pixels which are stacked, wherein the two stacked sub-pixels are individually driven by one data line; a data driver that is connected to the data lines and applies data signals to the data lines; a scan driver that is connected to the scan lines and applies scan signals to the scan lines; a controller that controls the data driver and the scan driver; and a power supply module that supplies a power supply voltage to the data driver, the scan driver, and the controller. | 06-10-2010 |
Wook Ryun Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080309352 | APPARATUS AND METHOD OF WATER ABSORPTION TEST FOR GENERATOR STATOR WINDING INSULATOR USING CROSS CAPACITANCE - A method of water absorption for a generator stator winding insulator using a cross capacitance involves detecting a state of the insulator of the stator winding of the generator using a theory of the cross capacitance, and carrying out the water absorption test of the insulator of the stator winding of the power generator using the detected state in the detecting. | 12-18-2008 |
Yeon-Keun Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090268298 | Pdp filter and manufacturing method thereof - Disclosed herein is a PDP filter having a laminated structure of a transparent conductive film type electromagnetic wave-shielding layer and one or more other functional layers, in which at least two edge portions of the surface of the transparent conductive film type electromagnetic wave-shielding layer, which is in contact with the functional layer, are not exposed outside the laminated structure of the PDP filter. | 10-29-2009 |
| 20100053035 | ELECTROMAGNETIC WAVE-SHIELDING FILM HAVING NEAR INFRARED SHIELDING FUNCTION AND TRANSPARENCY FUNCTION, OPTICAL FILTER AND PLASMA DISPLAY PANEL COMPRISING THE SAME - The present invention provides an electromagnetic wave-shielding film which includes a transparent substrate, an electromagnetic wave-shielding layer which includes a conductive pattern formed in at least a portion of the transparent substrate, and an adhesive transparency layer which is formed on the electromagnetic wave-shielding layer to fill a groove of the conductive pattern and contains a near infrared-absorbing dye, and an optical filter and a plasma display panel including the electromagnetic wave-shielding film. | 03-04-2010 |
Young Chul Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080284325 | Organic electroluminescent device and method for preparing the same - The present invention relates to an organic electroluminescent device comprising a substrate, a cathode, at least two organic material layers comprising a light-emitting layer, and an anode in the sequentially laminated form, in which the organic material layers comprise an organic material layer comprising a compound having a functional group selected from the group consisting of an imidazole group, an oxazole group and a thiazole group between the cathode and the light-emitting layer. The organic electroluminescent device according to the present invention comprises an organic material layer comprising a compound having a functional group selected from the group consisting of an imidazole group, an oxazole group and a thiazole group between a cathode and a light-emitting layer, thus having an improved electron injection characteristic to provide an organic electroluminescent device of an inverted structure operating at a low voltage. | 11-20-2008 |
| 20090058260 | Organic light-emitting device comprising buffer layer and method for fabricating the same - Disclosed herein are an organic light-emitting device having a structure formed by the sequential deposition of a substrate, a first electrode, at least two organic layers and a second electrode, in which the organic layers include a light-emitting layer, and one of the organic layers, which is in contact with the second electrode, is a buffer layer comprising a compound represented by the following formula 1, as well as a fabrication method thereof: | 03-05-2009 |
Yun-Jeong Lee, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100060834 | COPOLYIMIDE, LIQUID CRYSTAL ALIGNING LAYER COMPRISING THE SAME , AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to a novel polyimide copolymer, a method of preparing the polyimide copolymer, a liquid crystal aligning layer including the polyimide copolymer, a method of producing the liquid crystal aligning layer, and a liquid crystal display including the liquid crystal aligning layer. The liquid crystal aligning layer that includes the polyimide copolymer according to the present invention is advantageous in that when ultraviolet rays are radiated on movable chains of the polyamic acid copolymer to perform alignment before a polyimide copolymer is imidized and heat treatment is then performed to conduct imidization, thermal stability is excellent, residual images are not formed, and alignment of liquid crystals is excellent. | 03-11-2010 |
| 20100076166 | CYCLIC OLEFINS COMPOUNDS, POLYMERS COMPRISING THE SAME AND LIQUID CRYSTAL ALIGNMENT FILMS INCLUDING THE POLYMERS - The present invention relates to a novel cyclic olefin compound, a polymer including the cyclic olefin compound, a liquid crystal alignment film including the polymer, and a liquid crystal display device including the liquid crystal alignment film. Since the polymer includes the cyclic olefin compound as a main chain, the thermal stability is excellent and the photoreactive speed is high. Accordingly, the production time can be reduced, the production cost can be reduced, and the anchoring force of the liquid crystal can be increased because the alignment property is stabilized due to the curing. | 03-25-2010 |