Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The present invention relates to a material for an organic electroluminescent device, including a phenanthrocarbazole-based compound having a specific structure, and an organic electroluminescent device including the same. More specifically, the phenanthrocarbazole-based compound is applied as a material for a phosphorescent and fluorescent organic electroluminescent device, thereby providing an organic light emitting device with improved light emitting efficiency, luminance, thermal stability, driving voltage, lifetime and the like.

Abstract: 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. In the formula, each of A, L, X and R1 to R19 is the same as those as defined in Detailed Description.

Abstract: The invention relates to a stable water soluble composition containing lithophosphatidylethanol amine (LPE) or lecithin including the LPE 3% or more. The composition comprises one or both of lysophosphatidylethanol amine and lecithin 0.1 to 50 wt %, fatty acid or salt thereof 0.1 to 60 wt % and solvent 10 to 99.8 wt %. According to the invention, it is possible to provide the stable water soluble composition of lithophosphatidylethanolamine and lecithin which does not cause the precipitation at the room temperature below 20° C. and can maintain the clear formulation even during the long term keeping.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Disclosed are a method, composition and kit for promoting plant growth and improving plant preservation. According to the invention, it is possible to improve qualities of agricultural products and preservation of crops after harvested as well as to increase production of crops by promoting plant growth without using toxic chemicals.

Abstract: Disclosed are a novel deuterated aryl amine compound capable of enhancing thermal stability, hole transporting capability, luminescence efficiency, etc. of an organic light emitting diode at the time of being used as a hole-injecting layer, a preparation method thereof, and an organic light emitting diode using the same.

Abstract: Disclosed is a composition containing phosphatidylserine as an effective ingredient, and more particularly to a composition containing phosphatidylserine as an effective ingredient for protecting and improving a skin, reinforcing a skin barrier function, suppressing and alleviating an inflammatory response, treating and improving an atopic skin, activating PPAR-a promoting a differentiation of the skin, protecting the skin and preventing and improving skin aging and wrinkle. Accordingly, it is possible to protect and improve the skin from the injury due to the ultraviolet or the external stimulating material such as chemical material and to reinforce and strengthen the skin barrier function using the composition, thereby improving a general skin state.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.