DONGWOO FINE-CHEM CO., LTD. Patent applications |
Patent application number | Title | Published |
20150198745 | POINTING DISPLAY DEVICE - This invention relates to a pointing display device comprising a UV reaction material layer comprising UV reaction material which generates change of color by UV, UV reaction part comprising a substrate part for which a coating layer is the UV reaction material layer, and UV light source which may emit UV laser. | 07-16-2015 |
20150062501 | ADHESIVE COMPOSITION AND POLARIZING PLATE COMPRISING THE SAME - The present invention provides an adhesive composition comprising a silane coupling agent having a solubility parameter of 10.2 to 13.0 (Cal/cm | 03-05-2015 |
20140295108 | ADHESIVE COMPOSITION, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME - The present invention discloses an adhesive composition, and a polarizing plate and liquid crystal display device including the same. More particularly, there are provided an adhesive composition which includes an acrylic copolymer having a functional group cross-linkable with isocyanate, a toluene diisocyanate-based cross-linking agent and an organic acid stabilizer, to inhibit a change in viscosity so as to improve storage stability and assure a sufficient pot-life, which in turn, improves process stability but reduces a curing time, thereby enhancing productivity, as well as a polarizing plate and liquid crystal display device including the same. | 10-02-2014 |
20140111962 | TOUCH SCREEN PANEL - A touch screen panel is provided with electromagnetic wave shielding properties. The touch screen panel includes an electromagnetic wave shielding layer on a window substrate. The electromagnetic wave shielding layer may include at least one alloy selected from the group consisting of copper, iron, nickel, aluminum, tin, indium, zinc, gold and silver, and oxides thereof, as an electromagnetic wave shielding material. The electromagnetic wave shielding layer may include at least one electromagnetic wave shielding material selected from the group consisting of polypyrrole, polythiophene, and polyaniline. When the touch screen panel further includes an index matching layer, the electromagnetic wave shielding layer may be formed on at least one face of the index matching layer. When electromagnetic wave shielding material is included in the index matching layer, the index matching layer functions as the electromagnetic wave shielding layer. | 04-24-2014 |
20140087064 | TOUCH SCREEN PANEL AND METHOD OF PREPARING THE SAME - A method for preparing a touch screen panel includes forming a non-conductive pattern on a non-display part on one face of a window plate, so that the thickness of the non-conductive pattern is decreased to produce a thin touch screen panel. In addition, this will prevent leakage of ink through the holes of the window plate, and improve the reliability of a conductive electrode pattern layer at a lateral side of the non-conductive pattern, thereby reducing failure rates. | 03-27-2014 |
20140075750 | TOUCH SCREEN PANEL AND METHOD OF PREPARING THE SAME - A touch screen panel and a method for preparing the same, and more specifically, a touch screen panel includes a window plate | 03-20-2014 |
20140024206 | ETCHANT COMPOSITION AND METHOD OF FORMING METAL WIRE AND THIN FILM TRANSISTOR ARRAY PANEL USING THE SAME - A etchant composition that includes, based on a total weight of the etchant composition, about 0.5 wt % to about 20 wt % of a persulfate, about 0.5 wt % to about 0.9 wt % of an ammonium fluoride, about 1 wt % to about 10 wt % of an inorganic acid, about 0.5 wt % to about 5 wt % of a cyclic amine compound, about 0.1 wt % to about 10.0 wt % of a sulfonic acid, about 5 wt % to about 10 wt % of an organic acid or a salt thereof, and a remainder of water. The etchant composition may be configured to etch a metal layer including copper and titanium, to form a metal wire that may be included in a thin film transistor array panel of a display device. | 01-23-2014 |
20140018543 | WHITE-EMITTING MONOMOLECULAR COMPOUND USING EXCITED-STATE INTRAMOLECULAR PROTON TRANSFER, ORGANIC ELECTROLUMINESCENT ELEMENT AND LASER DEVICE USING THE SAME - Provided are a white-emitting monomolecular compound using excited-state intramolecular proton transfer (ESIPT) characteristics, and an organic electroluminescence device and a laser device comprising same. The white-emitting monomolecular compound according to the present invention is prepared by covalently bonding at least two types of molecules which produce different colors and have excited-state intramolecular proton transfer (ESIPT) characteristics. The white-emitting monomolecular compound according to the present invention achieves white luminescence irrespective of the concentration thereof and of the state of the materials thereof, and therefore can be used in a variety of fields including an organic electroluminescence device and a laser device. | 01-16-2014 |
20140012009 | WHITE-EMITTING MONOMOLECULAR COMPOUND USING EXCITED-STATE INTRAMOLECULAR PROTON TRANSFER, ORGANIC ELECTROLUMINESCENT ELEMENT AND LASER DEVICE USING THE SAME - Provided are a white-emitting monomolecular compound using excited-state intramolecular proton transfer (ESIPT) characteristics, and an organic electroluminescence device and a laser device comprising same. The white-emitting monomolecular compound according to the present invention is prepared by covalently bonding at least two types of molecules which produce different colors and have excited-state intramolecular proton transfer (ESIPT) characteristics. The white-emitting monomolecular compound according to the present invention achieves white luminescence irrespective of the concentration thereof and of the state of the materials thereof, and therefore can be used in a variety of fields including an organic electroluminescence device and a laser device. | 01-09-2014 |
20140012008 | WHITE-EMITTING MONOMOLECULAR COMPOUND USING EXCITED-STATE INTRAMOLECULAR PROTON TRANSFER, ORGANIC ELECTROLUMINESCENT ELEMENT AND LASER DEVICE USING THE SAME - Provided are a white-emitting monomolecular compound using excited-state intramolecular proton transfer (ESIPT) characteristics, and an organic electroluminescence device and a laser device comprising same. The white-emitting monomolecular compound according to the present invention is prepared by covalently bonding at least two types of molecules which produce different colors and have excited-state intramolecular proton transfer (ESIPT) characteristics. The white-emitting monomolecular compound according to the present invention achieves white luminescence irrespective of the concentration thereof and of the state of the materials thereof, and therefore can be used in a variety of fields including an organic electroluminescence device and a laser device. | 01-09-2014 |
20130192722 | FLUX COMPOSITIONS FOR FORMING A SOLDER BUMP AND METHODS OF FABRICATING A SEMICONDUCTOR DEVICE USING THE SAME - The inventive concept provides flux compositions for forming a solder bump and methods of fabricating a semiconductor device using the same. The flux composition may include a resin, an activator, and a solvent. The resin may include gum rosin and rosin ester, and a mass ratio of the gum rosin versus the rosin ester may have a range of about 60:40 to about 90:10. | 08-01-2013 |
20130143403 | TEXTURE-ETCHANT COMPOSITION FOR CRYSTALLINE SILICON WAFER AND METHOD FOR TEXTURE-ETCHING (1) - Disclosed herein is an etching composition for texturing a crystalline silicon wafer, comprising, based on a total amount of the composition: (A) 0.1 to 20 wt % of an alkaline compound; (B) 0.1 to 50 wt % of a cyclic compound having a boiling point of 100° C. or more; (C) 0.00001 to 10 wt % of a silica-containing compound; and (D) residual water. The etching composition can maximize the absorbance of light of the surface of a crystalline silicon wafer. | 06-06-2013 |
20130137278 | TEXTURE-ETCHANT COMPOSITION FOR CRYSTALLINE SILICON WAFER AND METHOD FOR TEXTURE-ETCHING (2) - Disclosed herein is an etching composition for texturing a crystalline silicon wafer, comprising, based on a total amount of the composition: (A) 0.1 to 20 wt % of an alkaline compound; (B) 0.1 to 50 wt % of a cyclic compound having a boiling point of 100° C. or more; (C) 0.000001 to 10 wt % of a fluorine-based surfactant; and (D) residual water. The etching composition can maximize the absorbance of light of the surface of a crystalline silicon wafer. | 05-30-2013 |
20130115727 | ETCHING COMPOSITION AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE USING THE SYSTEM - An etching composition and a method of manufacturing a display substrate using the etching composition are disclosed. The etching composition includes phosphoric acid (H | 05-09-2013 |
20130099260 | RESIST STRIPPING COMPOSITION AND METHOD OF STRIPPING RESIST USING THE SAME - Disclosed herein is a resist stripping composition, which has an excellent ability of stripping a residual resist remaining after dry or wet etching at the tune of forming patterns in a process of manufacturing a flat panel display substrate. | 04-25-2013 |
20120322187 | ETCHANTS AND METHODS OF FABRICATING METAL WIRING AND THIN FILM TRANSISTOR SUBSTRATE USING THE SAME - An etchant includes: a persulfate; a fluoride; an inorganic acid; a cyclic amine; a sulfonic acid; and one of an organic acid and a salt thereof. | 12-20-2012 |
20120308833 | ADHESIVE COMPOSITION FOR GLASS BONDING, GLASS ASSEMBLY AND DISPLAY USING THE SAME - Disclosed are an adhesive composition for glass bonding, a glass assembly and a display using the adhesive composition. The adhesive composition includes a urethane-acryl copolymer, a monomer mixture of an acrylic monomer having no hydroxyl group and a monomer having a hydroxyl group, an isocyanate cross-linking agent, and a photo-polymerization initiator. The adhesive composition has advantages of: favorable scattering prevention of broken glass pieces, excellent heat-resistant durability enabling prevention of damage to an image display apparatus caused by temperature change, no adverse effect upon transmittance of the image display apparatus, hence ensuring desired visibility. | 12-06-2012 |
20120271447 | CONTROL DEVICE FOR PREVENTING MEANDERING OF PATTERNS ON PATTERNED FILMS - A control device for preventing meandering of patterns for use in a patterned film manufacturing device which includes a film transferring equipment and a pattern forming equipment, includes a marking unit that forms markings on a predetermined reference position on the film, a recognizing unit that is located at the rear of the marking unit and recognizes positions of the markings on the film, a computing unit that computes an amount of meandering based on differences between the reference position and the recognized positions of the markings, a control unit that generates a correction signal for correcting positions of the marking unit and the pattern forming equipment corresponding to the computed the amount of meandering, and a correction unit that receives the correction signal and corrects positions of the marking unit and the pattern forming equipment based on the received correction signal. | 10-25-2012 |
20120270038 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL USE - A pressure-sensitive adhesive composition for optical use is disclosed. The adhesive composition includes 40 to 80 wt. % of a mono-functional urethane acrylate oligomer; 5 to 55 wt. % of isobornyl (meth)acrylate as a first mono-functional diluted monomer; 5 to 55 wt. % of a second mono-functional diluted monomer having a glass transition temperature of not less than 1° C. and an unsaturated ethylene group; and 0.1 to 5 wt. % of a free radical photo-initiator, so as to attain excellent adhesiveness to inorganic materials as well as plastic materials, durability such as heat resistance and moist heat resistance, and shear strain, wherein it does not contain any alternative solvent, to thereby render a thick film type adhesive film to be fabricated. | 10-25-2012 |
20120257145 | COMPOSITE RETARDATION PLATE, COMPOSITE POLARIZING PLATE COMPRISING THE SAME AND PREPARATION METHODS FOR THOSE - Disclosed are a composite retardation plate, a composite polarizing plate including the same and a method for manufacturing the same. More particularly, a composite retardation plate is prepared by corona or plasma treatment of a face of a liquid crystal coating layer formed on a polymeric base film to improve adhesion therebetween and then directly providing a surface treatment coating layer above the coated film, thus being produced by a simple process without using a glass material while requiring neither an additional base material nor adhesive layer. Therefore, the retardation plate prepared as described above is desirably used as a retarder for a thin-film type display. The present invention also provides a composite polarizing plate including the above retardation plate and a method for manufacturing the foregoing. | 10-11-2012 |
20120252148 | ECHTANT AND METHOD FOR MANUFACTURING DISPLAY DEVICE USING THE SAME - An etchant according to exemplary embodiments of the present invention includes about 0.5 wt % to about 20 wt % of persulfate, about 0.01 wt % to about 2 wt % of a fluorine compound, about 1 wt % to about 10 wt % of inorganic acid, about 0.5 wt % to about 5 wt % of a cyclic amine compound, about 0.1 wt % to about 5 wt % of a chlorine compound, about 0.05 wt % to about 3 wt % of copper salt, about 0.1 wt % to about 10 wt % of organic acid or organic acid salt, and water. | 10-04-2012 |
20120208310 | NON-HALOGENATED ETCHANT AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE USING THE NON-HALOGENATED ETCHANT - Exemplary embodiments of the present invention disclose a non-halogenated etchant for etching an indium oxide layer and a method of manufacturing a display substrate using the non-halogenated etchant, the non-halogenated etchant including nitric acid, sulfuric acid, a corrosion inhibitor including ammonium, a cyclic amine-based compound, and water. | 08-16-2012 |
20120181248 | RESIST STRIPPING SOLUTION COMPOSITION, AND METHOD FOR STRIPPING RESIST BY USING SAME - Disclosed is a resist stripping solution composition, which is highly capable of removing a resist pattern and an etching residue after dry etching or wet etching, manifests excellent anticorrosive effects on metal wiring including aluminum and/or copper because a predetermined polyol compound is used, and also can process a number of substrates because a predetermined amide compound is used, thus greatly contributing to reducing the cost. A method of stripping a resist using the resist stripping solution composition is also provided. | 07-19-2012 |
20120177912 | ADHESIVE COMPOSITION FOR OPTICAL USE - Disclosed is an adhesive composition for optical use and, more particularly, an adhesive composition which includes; 30 to 80 wt. % of a mono-functional urethane acrylate oligomer having a weight average molecular weight of 10,000 and 35,000, 10 to 60 wt. % of an acrylate monomer; and 0.1 to 10 wt. % of a free radical photo-initiator, so as to retain physical properties of the adhesive composition such as coating property and adhesiveness and, in addition, reduce incurring of setting shrinkage during photo-polymerization, thereby exhibiting a uniform thickness and excellent surface appearance, durability such as heat resistance and moist heat resistance, and storage elasticity. Moreover, the inventive composition does not contain an alternative solvent, thus enabling manufacturing of a thick film type adhesive film. | 07-12-2012 |
20120153287 | ETCHANT, DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE USING THE SAME - An etchant includes: 5 to 20 wt % of persulfate, 1 to 10 wt % of at least one compound of an inorganic acid, an inorganic acid salt, or a mixture thereof, 0.3 to 5 wt % of a cyclic amine compound, 1 to 10 wt % of at least one compound of an organic acid, an organic acid salt, or a mixture thereof, 0.1 to 5 wt % of p-toluenesulfonic acid, and water, based on the total weight of the etchant. A copper-titanium etchant further includes 0.01 to 2 wt % of a fluoride-containing compound. A method of forming a display device using the etchant, and a display device, are also disclosed. | 06-21-2012 |
20120099214 | Colored Photosensitive Resin Composition for Preparation of Color Filter of Solid-State Image Sensing Device Using 300 NM or Less Ultrashort Wave Exposure Equipment, Color Filter Using Same, and Solid-State Image Sensing Device Containing Same - Disclosed is a colored photosensitive resin composition for a color filter of a solid state imaging device using an ultra-short wavelength exposing device of 300 nm or less, a color filter and a solid state imaging device including the same. The colored photosensitive resin composition can fabricate a color filter having a micro-patterned colored pattern. The color filter can be advantageously applied to a solid state imaging device. | 04-26-2012 |
20120090670 | CLEANING SOLUTION COMPOSITION FOR A SOLAR CELL - Disclosed herein is a cleaning solution composition for a solar cell, comprising: organic alkali compounds, water-soluble glycol ether compounds, percarbonates, organic phosphoric acids or salts thereof, and water. | 04-19-2012 |
20120058273 | INK COMPOSITION, AND METHOD OF FORMING PATTERN, COLOR FILTER AND METHOD OF PREPARING COLOR FILTER USING THE SAME - An ink composition, and a method of forming a pattern, a color filter and a method of manufacturing the color filter using the same. The ink composition includes a binder resin, a multifunctional monomer having an ethylenic unsaturated double bond, a coloring agent, a polymerization initiator containing a certain positive ion and a solvent. Therefore, the composition has excellent coating property and chemical resistance and also an improved adhesion to a printing member, and thus the ink composition may be useful in forming a precise micropattern using a roll printing method, particularly a reversed printing method. | 03-08-2012 |
20120046472 | WHITE-EMITTING COMPOUNDS USING EXCITED-STATE INTRAMOLECULAR PROTON TRANSFER, ORGANIC ELECTROLUMINESCENT ELEMENT AND LASER MATERIAL USING THE SAME - Provided are a white-emitting monomolecular compound using excited-state intramolecular proton transfer (ESIPT) characteristics, and an organic electroluminescence device and a laser device comprising same. The white-emitting monomolecular compound according to the present invention is prepared by covalently bonding at least two types of molecules which produce different colors and have excited-state intramolecular proton transfer (ESIPT) characteristics. The white-emitting monomolecular compound according to the present invention achieves white luminescence irrespective of the concentration thereof and of the state of the materials thereof, and therefore can be used in a variety of fields including an organic electroluminescence device and a laser device. | 02-23-2012 |
20120032152 | Asymmetrical Aryl Amine Derivative for Organic Electroluminescence Devices, Method for Preparing Same, Organic Thin Film for Organic Electroluminescence Devices and Organic Electroluminescence Device Using Same - Provided are asymmetric arylamine derivatives for an organic electroluminescent element, represented by the formula (1), which is prepared by sequentially inducing a secondary amine and a tertiary amine to an aryl compound Ar core so that they do not include a symmetrical axis and a symmetrical surface in a molecule, a manufacturing method of the same, an organic thin layer material including the asymmetric arylamine derivatives, and an organic electroluminescent element employing the same: | 02-09-2012 |
20110293933 | Adhesive composition and polarizing plate comprising the same - Disclosed are an adhesive composition and a polarizing plate including the same and, more particularly, an adhesive composition including a vinyl-acrylate copolymer including a hydroxyalkylvinylether monomer as a repeating unit, a cross-linking agent, ionic solid, and a silane coupling agent and, in addition, a polarizing plate including the same. Such adhesive composition may have desired re-workability without decrease in durability caused by surface transfer of an ionic compound, and allow effective gelling of adhesive fraction, to thereby considerably reduce a curing period. | 12-01-2011 |
20110269309 | PHOTORESIST COMPOSITION, METHOD OF FORMING PATTERN BY USING THE PHOTORESIST COMPOSITION, AND METHOD OF MANUFACTURING THIN-FILM TRANSISTOR SUBSTRATE - Provided are a photoresist composition having superior adhesion to an etch target film, a method of forming a pattern by using the photoresist composition, and a method of manufacturing a thin-film transistor (TFT) substrate. The photoresist composition includes an alkali-soluble resin; a photosensitive compound; a solvent; and 0.01 to 0.1 parts by weight of a compound represented by Formula 1: | 11-03-2011 |
20110261288 | RESIN-TYPE LIGHTGUIDE PLATE COMPOSITION, BACKLIGHT UNIT INCLUDING LIGHTGUIDE PLATE FORMED USING THE COMPOSITION, AND LIQUID CRYSTAL DISPLAY INCLUDING THE BACKLIGHT UNIT - A resin-type light guide plate composition, a backlight unit including the light guide plate formed using the composition and a liquid crystal display including the backlight unit. The resin-type light guide plate composition includes urethane-(meth)acrylate oligomer prepared by reacting a reaction product of a compound prepared by reacting divalent polyol and divalent isocyanate with (meth)acrylate monomer including hydroxyl group, hydrogen bond type (meth)acrylate including hydroxyl group or carboxyl group, acrylic monomer having a maximum shrinkage rate of 15% or less, represented by the equation ( | 10-27-2011 |
20090305931 | COMPOSITION FOR REMOVING AN INSULATION MATERIAL AND RELATED METHODS - A composition for removing an insulation material and related methods of use are disclosed. The composition comprises about 1 to 50 percent by weight of an oxidizing agent, about 0.1 to 35 percent by weight of a fluorine-containing compound, and water. The insulation material comprises at least one of a low-k material and a protection material. | 12-10-2009 |