DOOSAN CORPORATION Patent applications |
Patent application number | Title | Published |
20150318483 | NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME - The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life. | 11-05-2015 |
20150245502 | METHOD FOR SURFACE-TREATING COPPER FOIL AND COPPER FOIL SURFACE-TREATED THEREBY - The present invention relates to a method for surface-treating a copper foil, and the method includes steps of: a) forming a nodule on a surface of a copper foil; b) introducing the copper foil having thereon the nodule to a plating solution including first, second, and third metals to perform alloy plating; and c) applying the alloy plated copper foil with a silane coupling agent. | 08-27-2015 |
20150236272 | NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THESAME - The present invention relates to a novel indole-based compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescence device which includes the indole-based compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and lifespan. | 08-20-2015 |
20150236271 | NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING SAME - The present invention relates to a novel compound and an organic electroluminescence device including the same, and the compound according to the present invention may be used in an organic material layer, preferably a light-emitting layer of an organic electroluminescence device, thereby enhancing the light-emitting efficiency, driving voltage, lifespan, and the like of the organic electroluminescence device. | 08-20-2015 |
20150230473 | A COMPOSITION FOR INCREASING THE YIELD, AND METHODS OF INCREASING THE YIELD OF CROP BY USING THE SAME - The present invention relates to a composition for increasing the yield of a plant, and a method for increasing the yield of a plant by using the same, and more particularly, to a composition for increasing the yield of the plant, which includes at least one of lysophosphatidylethanolamine and lecithin, and a method for increasing the yield of plant by applying the same to the plant to promote the yield increase of the plant. | 08-20-2015 |
20150214490 | ORGANIC LIGHT-EMITTING COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - The present invention relates to a novel indole-based compound having excellent hole injection and transport capabilities, light-emission, and other properties, and to an organic electroluminescent device the luminous efficiency, driving voltage, service life, and other characteristics of which are improved due to containing the compound in one or more organic material layers. | 07-30-2015 |
20140374724 | ORGANIC LIGHT-EMITTING COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - The present invention relates to a novel indole-based compound having superior hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the indole-based compound in one or more organic layers thereof so as to thereby achieve improved characteristics, such as light-emitting efficiency, driving voltage, and lifespan characteristics. | 12-25-2014 |
20130299227 | NEW PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING SAME - The present invention relates to a laminated body for forming a printed circuit board comprising: a separation member in which first conductive layers and second conductive layers separable from each other are sequentially provided on each of upper and lower surfaces of a separating-insulation member; a laminating-insulation member sequentially laminated on each of the upper and lower surfaces of the separation member; and a conductive layer sequentially laminated on each of upper and lower surfaces of the insulation member, a printed circuit board comprising the laminated body, and a method of manufacturing the same. The present invention provides the new multi-layer printed circuit board to which various designs, such as a double-sided structure or an unbalanced structure, are applicable while overcoming an application limitation of a single-sided printed circuit board structure in the related art, thereby improving productivity and economic feasibility. | 11-14-2013 |
20130009136 | TRIPHENYLENE-BASED COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME - The present invention relates to a triphenylene-based compound represented by the following Formula 1 and an organic electroluminescent device including the same, and the compound of the present invention has excellent hole injection and/or transporting ability, electron transporting ability, and/or light emitting ability, and particularly, green and red light emitting ability, and thus in an organic electroluminescent device containing the same as a light emitting host material, characteristics such as luminous efficiency, luminance, thermal stability, driving voltage, service life and the like may be improved. | 01-10-2013 |
20120171362 | HYDROCARBON ADHESIVE COMPOSITION AND METHOD FOR TREATING SUBSTRATE SURFACE USING SAME - Disclosed are a non-fluorine and non-silicon hydrocarbon-based adhesive composition for substrate surface treatment for inkjet printing, a substrate surface-treated by the composition, and a method for modifying the surface of the substrate by using the composition so as to form fine lines by means of inkjet nano ink. The disclosed composition includes only an epoxy resin, or includes an epoxy resin and an acrylic compound, so as to hydrophobically modify the substrate. The composition can achieve better properties such as an increase in an ink contact angle, an ink spreadability inhibiting effect, and a wiring adhesive strength, as compared to a conventional silicon-based and/or fluorinated adhesive. Furthermore, since a conventional silicon-based and fluorinated adhesive component is not used, it is possible to perform substrate surface treatment in terms of environmental safety, thereby improving the productivity and the economic efficiency. | 07-05-2012 |
20120168730 | ACRIDINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME - Disclosed are an acridine derivative and an organic electro-luminescence device including the same. Specifically, the disclosed acridine derivative compound has an aryl moiety or a heteroaryl moiety, linked to an acridine moiety and an amine moiety, and the disclosed organic electro-luminescence device including the acridine derivative compound requires a low operating voltage, shows high efficiency, and is enhanced in life-span. | 07-05-2012 |
20120161615 | AMINOANTHRACENE DERIVATIVE AND AN ORGANIC ELECTROLUMINESCENT ELEMENT EMPLOYING THE SAME - Disclosed are a novel amino anthracene derivative and an organic electro-luminescence device using the same. More specifically, the disclosed amino anthracene derivative has a core (e.g., indenoanthracene core) of an anthracene moiety (with a high device characteristic) linked to a fluorene moiety (with a high fluorescence characteristic), in which in the core is substituted with at least one amine group represented by Formula 2 and the disclosed organic electro-luminescence device uses the amino anthracene derivative as a light emitting layer material so as to be enhanced in efficiency, operating voltage, and life span. | 06-28-2012 |
20120085570 | POLYAMIC ACID SOLUTION, POLYIMIDE RESIN AND FLEXIBLE METAL CLAD LAMINATE USING THE SAME - Disclosed are a polyamic acid solution, a polyimide resin prepared by imidization of the polyamic acid solution, a flexible metal clad laminate using the polyimide resin, and a printed circuit board including the flexible metal clad laminate, wherein the polyamic acid solution includes (a) 3,3′,4,4′-biphenyltetracarboxylic acid dianhydride (BPDA), and pyromellitic dianhydride (PMDA) as aromatic tetracarboxylic acid dianhydride; (b) at least one aromatic diamine; (c) an organic solvent; and (d) an inorganic filler. | 04-12-2012 |
20120018197 | NOVEL DUCTILE METAL FOIL LAMINATE AND METHOD FOR PRODUCING THE SAME - Provided are a flexible metal clad laminate including: (a) a first conductive metal foil in which a first polyimide layer is formed on a surface thereof; and (b) a second conductive metal foil in which a second polyimide layer is formed on a surface thereof, wherein the first polyimide layer and the second polyimide layer are joined together by an epoxy adhesive, and a method of manufacturing the same. The inventive flexible metal clad laminate can maintain the intrinsic properties of polyimide, and thus, can exhibit good heat resistance and flexibility to comparable with a conventional two-layer, double-sided flexible copper clad laminate, and a manufacturing process thereof is simple and easy, thus ensuring enhanced productivity and economical effectiveness. | 01-26-2012 |
20110214907 | MULTI LAYER CIRCUIT BOARD AND MANUFACTURING METHOD OF THE SAME - Disclosed is a PCB having multiple layers of heavy copper. A prepreg having a nonwoven glass web substrate is used alone or together with another prepreg having a glass fabric substrate so that the space between heavy copper, which is comparable to a thick film, can be filled efficiently without creating voids. The PCB includes a copper clad laminate having first copper patterned on one surface or both surfaces of a core substrate; at least one first prepreg laminated on one surface or both surfaces of the copper clad laminate, nonwoven glass web being used as the substrate of the first prepreg; at least one second prepreg laminated on one surface or both surfaces of the first prepreg, glass fabric being used as a substrate of the second prepreg; and second copper laminated on one surface or both surfaces of the second prepreg. | 09-08-2011 |
20110210320 | ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING THE SAME - The present invention relates to an anthracene derivative and an organic electroluminescent device using the same. More specifically, the present invention relates to: a novel compound which has a core (for example, an indenoanthracene core) where both an anthracene moiety with excellent device characteristics and a fluorene moiety with excellent fluorescent properties are fused, wherein substituents (for example, a heterocyclic group such as a benzimidazole group, a benzothiazole group, a benzoxazole group, a pyridinyl group or a bipyridinyl group) with an electron transfer capacity are substituted to the core; and an organic electroluminescence element which has improved luminous efficiency, brightness, thermal stability, driving voltage, and lifetime, by comprising an organic layer which is positioned between a positive electrode and negative electrode and contains the novel compound. | 09-01-2011 |
20110065924 | PREPARATION OF ASYMMETRIC ANTHRACENE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - Provided is a method of preparing asymmetric anthracene derivative, more particularly, a method for high-yield production of an anthracene derivative in which an alkyl group, a cycloalkyl group, a heterocycloalkyl group, an aryl group or a heteroaryl group is introduced at position 2 of anthracene, and an aryl group or a heteroaryl group is introduced at each of positions 9 and 10 of the anthracene. | 03-17-2011 |
20110057182 | ANTHRACENE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - Provided are a novel anthracene derivative and an organic light-emitting device using the same, and more particularly, an anthracene derivative having a core (e.g., an indenoanthracene core) where an anthracene moiety with excellent device characteristics is fused with a fluorene moiety or the like with excellent fluorescent properties, wherein an aryl group is introduced at the core, and an organic light-emitting device using the anthracene derivative, which is enhanced in efficiency, operating voltage, lifetime, etc. | 03-10-2011 |
20100081846 | ASYMMETRIC STYRYL DERIVATIVES AND ORGANIC LIGHT EMITTING DIODE PREPARED USING THE SAME - Disclosed are asymmetric styryl derivatives and an organic light emitting diode prepared using the same. More particularly, there are provided asymmetric styryl derivatives that can provide a blue organic light emitting diode with superior thermal stability, as well as improved luminous efficiency, improved brightness, and extended lifetime, by synthesizing a novel thermally stable compound with a styryl structure represented by Formula 1, and using the compound as a dopant in an organic light emitting layer (EML) of a multilayered organic light emitting diode, and an organic light emitting diode prepared by the same. | 04-01-2010 |
20090068150 | LACTIC ACID BACTERIA CULTURE OF MUNG BEAN AND THE PREPARATION METHOD OF THE SAME, AND THE COSMETIC COMPOSITION COMPRISING THE SAME - Disclosed is a lactic acid bacteria culture of mung bean obtained by culturing lactic acid bacteria in a culture medium containing mung bean extract. The culture contains the mung bean extract and GABA (ϝ | 03-12-2009 |
20090004488 | Resine Composition For Printed Circuit Board and Composite Substrate And Copper Laminates Using The Same - Disclosed is a resin composition for a PCB, the composition including: (a) a polyphenylene ether resin modified via a redistribution reaction of polyphenylene ether in the presence of 9,9-bis(hydroxyaryl)fluorene or 9,10-dihydro-9-oxa-10-(dihydroxyaryl)-10-phosphaphenanthrene 10-oxide; (b) a polymer binder; and (c) cyanate ester or a prepolymer of the cyanate ester, wherein, when the polyphenylene ether resin is modified via a redistribution reaction of the polyphenylene ether in the presence of 9,9-bis(hydroxyaryl)fluorene, the composition further includes (d) a flame retardant. Also, a composite substrate and a copper laminate using the same are disclosed. | 01-01-2009 |
20090004484 | Resine Composition For Printed Circuit Board And Composite Substrate And Copper Laminates Using The Same - Disclosed is a resin composition for a PCB, the composition including: (a) a polyphenylene ether resin modified via a redistribution reaction of polyphenylene ether in the presence of 9,9-bis(hydroxyaryl)fluorene or 9,10-dihydro-9-oxa-10-(dihydroxyaryl)-10-phosphaphenanthrene 10-oxide; (b) a dicyclopentadiene epoxy resin represented by Formula 1; and (c) an alkylphenol aldehyde novolak curing agent represented by Formula 2, wherein, when the polyphenylene ether resin is modified via a redistribution reaction of the polyphenylene ether in the presence of 9,9-bis(hydroxyaryl)fluorene, the composition further includes (d) a brominated epoxy resin. Also, a composite substrate and a copper laminate using the same are disclosed. | 01-01-2009 |
20090001882 | White Light Emitting Organic Electroluminescent Device - Provided is a white light emitting organic electroluminescent device, which includes a transparent substrate, a first element, and a second element. The first element includes a first anode, a first element organic layer, and a reflective cathode sequentially disposed on a first substrate of the transparent substrate. The second element includes a second anode, a second element organic layer, and a transparent or translucent cathode sequentially disposed on a second surface of the transparent substrate. The white light emitting organic electroluminescent device of the present invention can eliminate the color coordinates shift phenomenon of white light that occurs in a conventional three primary color white light organic electroluminescent device. Since the aging effect caused by heat generated from light emission is reduced by dividing electroluminescent layers, the electroluminescent device can have a long lifespan. | 01-01-2009 |
20080291696 | Integrated Light Guide Panel and Method of Manufacturing the Same - An integrated light guide panel for use in a backlight unit for an LCD and a method for manufacturing the same are disclosed. The integrated light guide panel includes a light guide panel for guiding light, to form surface light, a reflective coating layer arranged beneath the light guide panel, to reflect light emerging from a lower surface of the light guide panel such that the light is again incident to the light guide panel, a diffusive coating layer arranged over the light guide panel, to diffuse light emerging from the light guide panel, a prism coating layer arranged over the diffusive coating layer, to concentrate light emerging from the diffusive coating layer, and low refractive coating layers respectively arranged between the light guide panel and the reflective coating layer and between the light guide panel and the diffusive coating layer. | 11-27-2008 |