Abstract: The present invention provides a method of preparing a polymer particle. More precisely, the invention provides a polymer particle having optimum impact strength and improved elastic recovery rate by forming the brush having softness on the surface of the monodisperse polymer particle by the anion dispersion polymerization using a conjugated diene monomer.

Abstract: The present invention relates to an acrylic copolymer having high heat resistance and high strength, and an optical film comprising the same, and more particularly, to an acrylic copolymer for optical films in which alkyl (meth)acrylate monomers; (meth)acrylate monomers comprising aromatic rings and/or aliphatic rings; and (meth)acrylamide monomers are included and polymerized. An acrylic copolymer according to the present invention is excellent in heat resistance while maintaining transparency. Further, an optical film comprising a compound resin including the acrylic copolymer has superior transparency and heat resistance and is excellent in formability, adhesion, retardation properties, and durability.

Abstract: Provided are a semiconductor device, a method of manufacturing the same, and a semiconductor package including the same. The semiconductor device includes: a substrate having a recess region in a predetermined portion of a back side of the substrate; a wiring part disposed on a front side of the substrate and including at least one wiring layer; an insulating layer disposed on the back side of the substrate and including a first portion filling in the recess region and a second portion covering the back side of the substrate of a non-recess region other than the recess region; and a through silicon via (TSV) provided in plurality of and penetrating the first portion to be electrically connected to the at least one wiring layer.

Abstract: Embodiments provide a method for operating a user defined complex context information constitution system which provides a user defined complex context information user interface to an application service developer in order to support an environment required for complex context information development and performs a developed application service using the user defined complex context information so as to easily create, register, change, and delete user defined complex context information corresponding to an arbitrary service.

Abstract: Disclosed is a composition for preventing hair loss or promoting hair restoration and for enhancing hair health, the composition comprising an active ingredient in the form of soy extract extracted using a C1 to C5 alcohol at a concentration of between 1% and 70% (v/v).

Abstract: The present invention relates to an acrylic copolymer resin containing: 1) an alkyl (meth)acrylate-based monomer; 2) a (meth)acrylate-based monomer containing an aliphatic ring and/or an aromatic ring; and 3) at least an imide-based monomer or a styrene-based monomer, to a resin composition containing said acrylic copolymer resin and a resin containing an aromatic ring and/or an aliphatic ring in the main chain thereof, to an optical film comprising said resin composition, and to a liquid crystal display device comprising said optical film. The optical film according to the present invention has excellent heat resistance, optical transparency, etc.

Abstract: The present invention relates to a resin composition for an optical film comprising a copolymer which includes an alkyl (meth)acrylate unit, a (meth)acrylate unit having a benzene ring, and a (meth)acrylic acid unit, wherein a content of a residual monomer is less than 2000 ppm in the resin composition and an optical film using the same.

Abstract: Provided are a resin composition for an optical film including an alkyl(meth)acrylate unit, a benzyl(meth)acrylate unit, a (meth)acrylic acid unit, and a unit expressed by Chemical Formula I, an optical film, a polarizing plate, and an image display device using the resin composition.

Abstract: There is provided a method for preparing an acrylic copolymer resin for an optical film includes: suspension-polymerizing an acrylic monomer containing a benzene ring, an alkyl(meth)acrylate monomer, and a (meth)acrylic acid monomer to prepare a copolymer; and thermally treating the copolymer at a temperature ranging from 240° C. to 300° C. As the method for preparing an acrylic copolymer of the present invention, a resin having an effectively lowered CTE can be manufactured by inducing the formation of a glutaric anhydride structure by using suspension polymerization that facilitates adjustment of the molecular weight of a resin.

Abstract: The present invention relates to an acrylic copolymer resin containing: 1) an alklyl (meth)acrylate-based monomer; 2) a (meth)acrylate-based monomer containing an aliphatic ring and/or an aromatic ring; and 3) at least an imide-based monomer or a styrene-based monomer, to a resin composition containing said acrylic copolymer resin and a resin containing an aromatic ring and/or an aliphatic ring in the main chain thereof, to an optical film comprising said resin composition, and to a liquid crystal display device comprising said optical film. The optical film according to the present invention has excellent heat resistance, optical transparency, etc.

Abstract: The present invention relates to a composition for reducing in-vivo lipid level, inhibiting lipoclasis and promoting discharge of a lipid, wherein the composition comprises, as active ingredients, fermented tea extracts obtained by inoculating strains to tea, wherein the strains are derive from fermented Korean traditional condiment.

Abstract: A composite context information management apparatus and a method of providing composite context information using the same. The composite context information management apparatus includes a function providing unit configured to provide a composite context information function corresponding to the operation information from an application control unit; a composite context information processing unit configured to identify pieces of unit contexts and an operation rule based on the composite context information function and the name of the composite context information; and a composite context information presence unit configured to store the pieces of unit contexts corresponding to the name of the composite context information and an instance value for identification of the application and, in response to the application being executed in the user terminal, use the pieces of unit contexts and the operation rule to the user terminal.

Abstract: Provided is an acrylic copolymer comprising; an alkyl (meth)acrylate monomer; a monomer comprising a cyclic pendant structure; and a tert-butyl (meth)acrylate monomer and/or (meth)acrylamide monomer. Also provided is a resin composition comprising the same and an optical film and an IPS mode liquid crystal display device using the same.

Abstract: The present invention relates to an acrylic copolymer having high heat resistance and high strength, and an optical film comprising the same, and more particularly, to an acrylic copolymer for optical films in which alkyl (meth)acrylate monomers; (meth)acrylate monomers comprising aromatic rings and/or aliphatic rings; and (meth)acrylamide monomers are included and polymerized. An acrylic copolymer according to the present invention is excellent in heat resistance while maintaining transparency. Further, an optical film comprising a compound resin including the acrylic copolymer has superior transparency and heat resistance and is excellent in formability, adhesion, retardation properties, and durability.

Abstract: The present invention provides a polymer particle and a method of preparing the same. More precisely, the invention provides a polymer particle having optimum impact strength and improved elastic recovery rate by forming the brush having softness on the surface of the monodisperse polymer particle by the anion dispersion polymerization using a conjugated diene monomer.

Abstract: The present invention relates to a cosmetic composition for skin care, comprising coumestrol or a bean extract containing coumestrol.

Abstract: The present invention relates to an optical film comprising: a blended resin including 1) an acrylic copolymer resin containing an alkyl methacrylate monomer and a (metha) acrylic monomer containing an alicyclic or an aromatic ring, 2) a copolymer resin containing an alkyl methacrylate monomer, an aromatic vinyl monomer, and an acid anhydride monomer, and 3) a resin containing an aromatic or an alicyclic ring in the main chain of a polymer. The present invention also relates to a method for manufacturing the optical film, and a liquid crystal display device comprising the optical film. The optical film according to the present invention is excellent in heat resistance, optical transparency, mechanical strength, durability, and the like.

Abstract: A composite context information management apparatus and a method of providing composite context information using the same. The composite context information management apparatus includes a function providing unit configured to provide a composite context information function corresponding to the operation information from an application control unit; a composite context information processing unit configured to identify pieces of unit contexts and an operation rule based on the composite context information function and the name of the composite context information; and a composite context information presence unit configured to store the pieces of unit contexts corresponding to the name of the composite context information and an instance value for identification of the application and, in response to the application being executed in the user terminal, use the pieces of unit contexts and the operation rule to the user terminal.

Abstract: A channel-switching apparatus and method in a digital broadcasting system omits conditional access control in logical channel-switching in one physical channel from processes that are executed for channel-switching in a digital broadcasting system, thereby reducing channel-switching time.

Abstract: The present invention relates to an acrylic copolymer resin containing: 1) an alklyl (meth)acrylate-based monomer; 2) a (meth)acrylate-based monomer containing an aliphatic ring and/or an aromatic ring; and 3) at least an imide-based monomer or a styrene-based monomer, to a resin composition containing said acrylic copolymer resin and a resin containing an aromatic ring and/or an aliphatic ring in the main chain thereof, to an optical film comprising said resin composition, and to a liquid crystal display device comprising said optical film. The optical film according to the present invention has excellent heat resistance, optical transparency, etc.