| DONGJIN SEMICHEM Co., Ltd. Patent applications |
| Patent application number | Title | Published |
| 20120114906 | PHOTOCURABLE RESIN COMPOSITION CONTAINING FLUORINE AND METHOD FOR PRODUCING A RESIN MOLD USING SAME - There are provided a fluorine-containing photocurable resin composition and a method of preparing a mold comprising the same and more particularly, a photocurable resin composition having chemical resistance, mechanical properties and high transmittance, etc. as well as being easily wetted with and released from thermosetting or photocurable resins for pattern formation regardless of additional surface treatment, as opposed to the existing polymer resin materials used for resin molds, and a method of preparing a resin mold using the same. | 05-10-2012 |
| 20120061626 | PASTE COMPOSITION USED FOR FORMING AN ELECTRODE OR WIRING WHICH IS CURABLE AT A LOW TEMPERATURE - The invention is directed to a paste composition used for forming an electrode or wiring, wherein it comprises a) a conductive powder; b) a cellulose binder; c) an acrylate monomer; d) a radical polymerization initiator; and e) a solvent, and it is curable at a low temperature when compared to the prior paste compositions and it has excellent hardness, electrical resistivity and stability so that it can be usefully used for forming an electrode or wiring for a solar cell, RFID (Radio Frequency Identification) or PCB (Printed Circuit Board). | 03-15-2012 |
| 20120037270 | APPARATUS FOR MONITORING A DYE SOLUTION TO BE ADSORBED TO A DYE-SENSITIZED SOLAR CELL, AND APPARATUS FOR ADJUSTING THE DYE SOLUTION - This disclosure relates to a dye solution monitoring device and a dye solution controlling device for a dye-sensitized solar cell, more particularly, to a dye solution monitoring device for a dye-sensitized solar cell comprising a light-absorption device for measuring absorbance of a dye solution for a dye-sensitized solar cell, and a pH measuring device for measuring pH of a dye solution for a dye-sensitized solar cell; and, a dye solution controlling device for a dye-sensitized solar cell further comprising a dye supply device supplying dye of high concentration, and an acid or base supply device for pH control, in addition to the monitoring device. | 02-16-2012 |
| 20110237849 | LIQUID CRYSTAL COMPOUNDS AND METHOD FOR PREPARING THE SAME - The present invention relates to a liquid crystal compound for liquid crystal display. More particularly, the present invention provides a vinylcyclohexylbenzene, its derivatives and the preparation method thereof where the present invention produces only trans-isomer by using Heck coupling reaction instead of Wittig reaction in the introduction to ethenyl group in the central backbone in the preparation process of intermediate. The liquid crystal compound can make the liquid crystal composition have a wide mesophase range and low viscosity. | 09-29-2011 |
| 20110136041 | SULFONATED POLY(ARYLENE ETHER) COPOLYMERS AND RELATED POLYMER ELECTROLYTE MEMBRANES AND FUEL CELLS - The present invention relates to a sulfonated poly(arylene ether) copolymer, a manufacturing method thereof and a polymer electrolyte membrane for fuel cell using the same. | 06-09-2011 |
| 20110136040 | SULFONATED POLY(ARYLENE ETHER) COPOLYMERS AND RELATED POLYMER ELECTROLYTE MEMBRANES AND FUEL CELLS - The present invention relates to a sulfonated poly(arylene ether) copolymer, a manufacturing method thereof and a polymer electrolyte membrane for fuel cell using the same. | 06-09-2011 |
| 20110105698 | ALIGNMENT MATERIAL FOR LIQUID CRYSTAL DISPLAY DEVICE OF VERTICAL ALIGNMENT MODE AND METHOD OF PREPARING THE SAME - This invention provides alignment materials for liquid crystal display device of vertical alignment mode and methods for the preparation of the same, and more particularly, it provides diaminobenzene derivatives represented by the following formula 1 (shown in description), capable of aligning liquid crystal in uniform and vertical way and remarkably improving clarity and solubility against organic solvents, methods for the preparation of the same and liquid crystal alignment films using the same. | 05-05-2011 |
| 20110094588 | NOVEL ORGANIC DYE AND PREPARATION THEREOF - This disclosure relates to novel organic dye and a method for preparing the same. The dye compound of the present invention, when used for a dye-sensitized solar cell (DSSC), shows improved molar absorption coefficient, J | 04-28-2011 |
| 20110039412 | CHEMICAL MECHANICAL POLISHING SLURRY COMPOSITION INCLUDING NON-IONIZED, HEAT ACTIVATED NANO-CATALYST AND POLISHING METHOD USING THE SAME - Disclosed herein are a chemical mechanical polishing slurry composition for chemical mechanical planarization of metal layers, which comprises a non-ionized, heat-activated nano-catalyst, and a polishing method using the same. The polishing slurry composition comprises: a non-ionized, heat-activated nano-catalyst which releases electrons and holes by energy generated in a chemical mechanical polishing process; an abrasive; and an oxidizing agent. The non-ionized, heat-activated nano-catalyst and the abrasive are different from each other, and the non-ionized, heat-activated nano-catalyst is preferably a semiconductor material which releases electrons and holes at a temperature of 10 to 100° C. in an aqueous solution state, more preferably a transition metal silicide selected from the group consisting of CrSi, MnSi, CoSi, ferrosilicon (FeSi), mixtures thereof, and most preferably, a semiconductor material such as nano ferrosilicon. The content of the content of the non-ionized, heat-activated nano-catalyst is 0.00001 to 0.1 wt % based on the total weight of the slurry composition. | 02-17-2011 |
| 20100266967 | POLYMER FOR FORMING ORGANIC ANTI-REFLECTIVE COATING LAYER - A polymer for forming an organic anti-reflective coating layer, which is soluble in alkali solutions so that an additional etching process of anti-reflective coating layer is not required, and a composition including the same are disclosed. The polymer for forming an organic anti-reflective coating layer has the following formula. | 10-21-2010 |
| 20100233622 | METHOD FOR FORMING FINE PATTERN IN SEMICONDUCTOR DEVICE - Disclosed is a method for manufacturing fine patterns of semiconductor devices using a double exposure patterning process for manufacturing the second photoresist patterns by simply exposing without an exposure mask. The method comprises the steps of: forming a first photoresist pattern on a semiconductor substrate on which a layer to be etched is formed; coating a composition for a mirror interlayer on the first photoresist pattern to form a mirror interlayer; forming a photoresist layer on the resultant; and forming a second photoresist pattern which is made by a scattered reflection of the mirror-interlayer and positioned between the first photoresist patterns, by exposing the photoresist layer to a light having energy which is lower than a threshold energy (E | 09-16-2010 |
| 20100222473 | PHOTOSENSITIVE RESIN COMPOSITION - The present invention relates to a photosensitive resin composition, particularly to a photosensitive resin composition for forming an interlayer organic insulating film for TFT-LCD, comprising 0.01 to 20 wt % of UV stabilizer or radical scavenger. The photosensitive resin composition of the present invention can be used for forming an interlayer organic insulating film for TFT-LCD to improve active unfilled area upon over exposure in liquid crystal photo-alignment process, can easily control resolution of pattern, and is particularly suitable for forming a planarization layer of an interlayer organic insulating film. | 09-02-2010 |
| 20100133996 | Novel anthracene typed compound and the organic electroluminescence display device using the same - The present invention relates to an anthracene compound and an organic electroluminescent display device using the same. Particularly, the present invention relates to an anthracene compound which has good blue light emitting property, transports holes and electrons efficiently to enable an organic electroluminescent display device to have a low voltage, high brightness and long lifetime, and an organic electroluminescent display device using the same. | 06-03-2010 |
| 20100071763 | NOBLE RUTHENIUM-TYPE SENSITIZER AND METHOD OF PREPARING THE SAME - The present invention relates to a ruthenium-type dye and a making method thereof, and more particularly, to a ruthenium-type dye which is used to manufacture a dye-sensitized solar cell, drastically improves a molar extinction coefficient to enhance efficiency of a solar cell with only a small amount of a dye and oxide semiconductor particles, allows a thin film solar cell element to be manufactured without difficulty and sharply reduces manufacturing costs of a solar cell, and a making method thereof. | 03-25-2010 |
| 20090278073 | POLYMERIC MEA FOR FUEL CELL - A polymeric electrolyte membrane for a polymer electrolyte membrane fuel cell comprises: (a) a sulfonated polysulfoneketone copolymer comprising an aromatic sulfone repeating unit, an aromatic ketone repeating unit and an aromatic compound repeating unit which connects said repeating units with an ether linkage, wherein the aromatic sulfone repeating unit, the aromatic ketone repeating unit or both have a sulfonic acid or sulfonate substituent; and (b) one or more polymers each comprising a monomer selected from the group consisting of vinylidene fluoride, hexafluoropropylene, trifluoroethylene and tetrafluoroethylene. | 11-12-2009 |
| 20090191484 | PHOTOSENSITIVE RESIN COMPOSITION CONTROLLING SOLUBILITY AND PATTERN FORMATION METHOD OF DOUBLE-LAYER STRUCTURE USING THE SAME - The present invention relates to a new photosensitive resin composition capable of solubility control and a pattern formation method of a double-layer structure using the same, and more particularly to a photosensitive resin composition that can control the | 07-30-2009 |
| 20090136872 | PHOTOSENSITIVE RESIN COMPOSITION, METHOD FOR PREPARING THE SAME, AND DRY FILM RESIST COMPRISING THE SAME - The present invention relates to a photosensitive resin composition, a preparation method thereof, and a dry film resist comprising the same. More particularly, the photosensitive resin composition of the present invention is directed to a photosensitive resin composition including a) an alkali-soluble acrylate resin, b) a cross-linking monomer having at least two ethylenic double bonds, and c) a phosphinoxide based photopolymerization initiator and an acridon based photopolymerization initiator. | 05-28-2009 |
| 20090136766 | Low melting point frit paste composition and sealing method for electric element using the same - The present invention relates to a low melting point frit paste composition and a sealing method for an electric element using the same, and more particularly, to a low melting point frit paste composition which is sealable and appropriate for a flat panel, protects an element weak to heat and improves a process yield with good print properties, and a sealing method for an electric element using the same. | 05-28-2009 |
| 20090120012 | Method for preparing additive for chemical mechanical polishing slurry composition - Disclosed is a method for preparing an additive solution which can be contained in a chemical mechanical polishing slurry composition used for a semiconductor manufacturing process. The method for preparing an additive solution for a chemical mechanical polishing slurry composition comprises the steps of: preparing an aqueous iron salt solution by admixing an iron salt and cooled water of 5° C. or less; and preparing an oxide containing silicon and iron by admixing and stirring a silicon salt and the aqueous iron salt solution for carrying out a reaction of the silicon salt and the aqueous iron salt solution. | 05-14-2009 |
| 20090065049 | Getter Paste Composition - The present invention relates to a getter paste composition, and more particularly, to a getter paste composition which is quickly densified at low densification temperatures to be applied to a device that is weak to heat, provides good adhesiveness, controls moisture and gas effectively and is screen-printable to thereby improve productivity. | 03-12-2009 |
| 20090064717 | Glass Frit And Sealing Method For Element Using The Same - The present invention relates to a glass frit and a sealing method for an electric element using the same, and more particularly, to a glass frit which provides a good sealing effect to moisture and gas and is processable at low temperatures, and a sealing method for an electric element using the same. | 03-12-2009 |
| 20090045734 | NOVEL SILICON-TYPE COMPOUND AND AN ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE USING THE SAME - The present invention relates to a silicon compound and an organic electroluminescent device using the same, and more particularly, to a silicon compound which has good blue light emission and enables an organic electroluminescent device to have a low voltage, high brightness and long lifetime, and an organic luminescent display device using the same. | 02-19-2009 |
| 20090042127 | PHOTORESIST COMPOSITION AND METHOD OF FORMING A PHOTORESIST PATTERN USING THE SAME - A photoresist composition comprises about 0.5 to about 20 parts by weight of a photo-acid generator, about 10 to about 70 parts by weight of a novolac resin containing a hydroxyl group, about 1 to about 40 parts by weight of a cross-linker that comprises an alkoxymethylmelamine compound, and about 10 to about 150 parts by weight of a solvent. | 02-12-2009 |
| 20090041955 | ALIGNMENT MATERIAL FOR LIQUID CRYSTAL DISPLAY DEVICE OF VERTICAL ALIGNMENT MODE AND METHOD OF PREPARING THE SAME - This invention provides alignment materials for liquid crystal display device of vertical alignment mode and methods for the preparation of the same, and more particularly, it provides diaminobenzene derivatives represented by the following formula 1: | 02-12-2009 |
| 20090029623 | Sealing Method for Display Element - The present invention relates to a sealing method for a display element, and more particularly, to a sealing method for a display element which fundamentally prevents an error due to contact between light emitting bodies of upper and lower sealing members by protecting a surface of a light emitting layer and an electrode with a curing body of a photocurable transparent composition, enhances workability of a display element sealing, provides good moisture resistance and adhesiveness and improves an aperture ratio of a display element by making a top emission available to thereby make a thinner, larger display element. | 01-29-2009 |
| 20090009445 | Light Blocking Display Device Of Electric Field Driving Type - Provided is a light blocking display device of an electric field driving type, including a barrier layer ( | 01-08-2009 |
| 20080304129 | Electric-Field-Driving Reflective Display Apparatus - An electric-field-driving reflective display apparatus is provided. The electric-field-driving reflective display apparatus includes a barrier wall which has a plurality of driving grooves and first and second surfaces, a reflecting member which is disposed within the driving groove and has an electric charge, a first electrode which is disposed on the first surface of the barrier wall, and a second electrode which is disposed on the second surface of the barrier wall, wherein areas of cross sections of each driving groove parallel to the first and second surface are equal to each other. | 12-11-2008 |