Abstract: An etchant composition may include: a peroxosulfate; a cyclic amine compound; a first amphoteric compound including a carboxyl group; and a second amphoteric compound including a sulfone group, wherein the second amphoteric compound may be different from the first amphoteric compound.

Abstract: An etchant composition of an embodiment includes a persulfate, a four-nitrogen ring compound, a two-chlorine compound, a fluorine compound and water, and has a weight ratio of the four-nitrogen ring compound and the two-chlorine compound of about 1:0.5 to about 1:4. The etchant composition may etch a multilayer metal substrate of titanium/copper and may be used for manufacturing a multilayer metal pattern and an array substrate having excellent properties of etched patterns.

Abstract: A coil electronic component includes a support substrate, a coil portion disposed on at least one surface of the support substrate, a body in which the support substrate and the coil portion are embedded, and first and second external electrodes disposed on a surface of the body and connected to both ends of the coil portion, respectively. A thickness of the body is 0.55 mm or less. The body includes a cover portion disposed on the coil portion. A ratio of a thickness of the coil portion to a thickness of the cover portion is 5:5 to 8:2.

Abstract: An inductor includes a body, a coil pattern embedded in the body, a first external electrode and a second external electrode disposed on one surface of the body to be respectively connected to both ends of the coil pattern, and a support member disposed inside the body to support the coil pattern, wherein b/a?1.5, in which “a” denotes a distance from a central surface between top and bottom surfaces of the support member to a top surface of the body, and “b” denotes a distance from the central surface of the support member to a bottom surface of the body.

Abstract: An inductor includes a body, a coil disposed inside the body, and first and second external electrodes disposed on one surface of the body to respectively be connected to both ends of the coil. A recess portion is disposed in a region between the first and second external electrodes on the one surface of the body.

Abstract: A coil electronic component includes a support substrate having a thickness of 20 to 40 ?m. A coil pattern is disposed on at least one of a first surface and a second surface of the support substrate opposing each other, and has an aspect ratio of 4 or higher. An encapsulant encapsulates at least portions of the support substrate and the coil pattern, and an external electrode is disposed in an external region of the encapsulant and connected to the coil pattern.

Abstract: The present invention relates to a composition for preventing and treating osteoarthritis, which contains a pomegranate concentrate, a eucommia bark extract and an achyranthis radix extract as active ingredients. More specifically, the composite composition of a pomegranate concentrate, a eucommia bark extract and an achyranthis radix extract according to the present invention has a synergistic effect of improving osteoarthritis. In particular, because it can directly protect and regenerate the cartilage and can improve joint stiffness, it can be used in health food, etc.

Abstract: The present invention relates to a hard coating film and an image display apparatus comprising same, the hard coating film having a hard coating layer formed on at least one surface of a polyimide-based substrate, the hard coating layer comprising the cured product of a hard coating composition, wherein the hard coating composition comprises a solvent for swelling a polyimide-based resin, and the hard coating film is configured such that when the reflectivity thereof is measured in the range of 400 nm to 800 nm, the maximum amplitude difference in the oscillations of the reflectivity is controlled at 0.5% or less, and thus can prevent an interference pattern.

Abstract: An etchant composition may include: a peroxosulfate; a cyclic amine compound; a first amphoteric compound including a carboxyl group; and a second amphoteric compound including a sulfone group, wherein the second amphoteric compound may be different from the first amphoteric compound.

Abstract: A flexible window stack structure includes a substrate, a first hard coating layer formed on a surface of the substrate and a second hard coating layer formed on an opposite surface of the substrate. The first hard coating layer has a curing contraction greater than that of the second hard coating layer, and the second hard coating layer is disposed at an elongated side when the window stack structure is folded. Cracks may be prevented by a curl property of the first hard coating layer when being bent.

Abstract: Disclosed is an apparatus and method for tagging a topic to content. The apparatus may include an unstructured data-based topic generator configured to generate a topic model including an unstructured data-based topic based on content and unstructured data, a viewer group analyzer configured to analyze a characteristic of a viewer group including a viewer of the content based on a social network of the viewer and viewing situation information of the viewer, a multifaceted topic generator configured to generate a multifaceted topic based on the topic model and the characteristic of the viewer group, a content divider configured to divide the content into a plurality of scenes, and a tagger configured to tag the multifaceted topic to the scenes.

Abstract: The present invention relates to a composition for preventing and treating osteoarthritis, which contains a pomegranate concentrate, a eucommia bark extract and an achyranthis radix extract as active ingredients. More specifically, the composite composition of a pomegranate concentrate, a eucommia bark extract and an achyranthis radix extract according to the present invention has a synergistic effect of improving osteoarthritis. In particular, because it can directly protect and regenerate the cartilage and can improve joint stiffness, it can be used in health food, etc.

Abstract: The present invention relates to an apparatus and method for providing a content map service using a story graph of video content and a user structure query.

Abstract: The pharmaceutical composition of the present invention, which comprises spinosin or a spinosin-containing herbal extract, is a composition for preventing and treating cognitive function disorders, and can effectively improve memory and learning ability, and effectively treat and prevent cognitive function disorders such as dementia and amnesia.

Abstract: The present invention relates to a hard coating composition, and more particularly, to a hard coating composition which includes a high elongation oligomer having an elastic modulus and an elongation at break in a specific range and thus exhibits excellent impact resistance and bending resistance.

Abstract: A hard coating film according to the present invention includes a transparent substrate layer; a first hard coating layer which is formed of a cured product of a hard coating composition including a high elongation oligomer having an elastic modulus ranging from 10 to 3000 MPa and an elongation at break ranging from 30 to 150% on one surface of the transparent substrate layer; and a second hard coating layer which is formed on a top surface of the first hard coating layer and has a Martens hardness ranging from 350 to 1000 N/mm2 and a compressive elastic modulus ranging from 4000 to 10000 MPa.

Abstract: A hard coating film according to the present invention includes a transparent substrate layer; a first hard coating layer which is formed on one surface of the transparent substrate layer and formed of a cured product of a hard coating composition including a high elongation oligomer having an elastic modulus ranging from 10 to 3000 MPa and an elongation at break ranging from 30 to 150%; and a second hard coating layer which is formed on the other surface of the transparent substrate layer and has a Martens hardness ranging from 350 to 1000 N/mm2 and a compressive elastic modulus ranging from 4000 to 10000 MPa.

Abstract: The pharmaceutical composition of the present invention, which comprises spinosin or a spinosin-containing herbal extract, is a composition for preventing and treating cognitive function disorders, and can effectively improve memory and learning ability, and effectively treat and prevent cognitive function disorders such as dementia and amnesia.

Abstract: N-substituted 3,3-dinitroazetidine, represented by the following Chemical Formula I, as an energetic plasticizer, and a method for preparing the same through a coupling reaction in which the energetic material 3, 3-dinitroazetidine or an acid salt thereof serves as a nucleophile for the ?, ?-unsaturated carbonyl compound as a substrate are provided. wherein R1 and R2 are each independently alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl, heteroaryl, substituted heteroaryl, heteroarylalkyl, substituted heteroarylalkyl, hydroxy, nitro, or a halogen atom, wherein the substituent of the substituted radicals is selected from the group consisting of alkyl, cycloalkyl, aryl, heteroaryl, alkoxy, thioalkyl, amino, nitro, hydroxy, a halogen atom, and a combination thereof.

Abstract: Disclosed is an apparatus and method for tagging a topic to content. The apparatus may include an unstructured data-based topic generator configured to generate a topic model including an unstructured data-based topic based on content and unstructured data, a viewer group analyzer configured to analyze a characteristic of a viewer group including a viewer of the content based on a social network of the viewer and viewing situation information of the viewer, a multifaceted topic generator configured to generate a multifaceted topic based on the topic model and the characteristic of the viewer group, a content divider configured to divide the content into a plurality of scenes, and a tagger configured to tag the multifaceted topic to the scenes.