Abstract: A method of providing a chat service in a map-based virtual space includes receiving a place selection signal based on map information and/or a motion detection signal from user terminals, determining location information and FoV information of the corresponding account in the virtual space, determining image information of a perspective view and one or more other accounts to be displayed on the corresponding user terminal, receiving a chat request from a first user terminal, receiving a result regarding whether to accept a chat in response to the chat request from a second user terminal, determining whether an account of the first user terminal and the other account of the second user terminal on the street view satisfy a preset condition, and providing the chat service between the first user terminal and the second user terminal based on whether the chat is accepted and whether the preset condition is satisfied.

Abstract: The present invention relates to a cosmetic composition comprising a subcritical water extract of plasma-treated caviar, which can be usefully used for the prevention, amelioration, or treatment of skin-related conditions, such as skin wrinkle improvement, elasticity enhancement, anti-aging, or the like.

Abstract: A pixel includes a first conductive pattern, a second conductive pattern, and a third conductive pattern that are spaced apart from each other; a first electrode at least partially overlapping and directly contacting the first conductive pattern; a second electrode adjacent to the first electrode; a third electrode on the third conductive pattern and directly contacting the third conductive pattern, and a fourth electrode at least partially overlapping, and directly contacting the second conductive pattern; a first pixel electrode and a second pixel electrode that are on at least one of the first, second, third, and fourth electrodes; and light emitting elements electrically connected to the first and second pixel electrodes. The first conductive pattern, the first electrode, and the first pixel electrode are electrically connected to each other. The third conductive pattern, the third electrode, and the second pixel electrode are electrically connected to each other.

Abstract: An optical path control member according to an embodiment includes a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; a light conversion unit disposed between the first electrode and the second electrode; a first sealing part formed in a first cutting region formed by cutting the second substrate, the second electrode, and the light conversion unit, and a second sealing part formed in a second cutting region; and a connection electrode disposed adjacent to the second sealing part, and wherein the second sealing part includes a plurality of patterns spaced apart from each other.

Abstract: A temperature management system for a room with a charge discharge device installed is provided, and the temperature management system includes one or more charge discharge devices installed in a room, performing charging or discharging of a battery, and including an external air conditioning module adjusting air temperature in the room, and a managing server controlling operation of the external air conditioning module of each of the charge discharge devices to adjust temperature in the room. When the temperature of the room with a charge discharge device installed increases due to heat generated by charging or discharging of the battery, the charge discharge devices may cool the air of the room, and a load to an air conditioner installed in a building can be reduced.

Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on each other interposing the dielectric layer therebetween, and external electrodes disposed externally on the body, respectively including a first layer connected to the internal electrode and a second layer covering the first layer, wherein the first layer includes a metal particle including an element A and a Z-A-O phase formed in the metal particle, and here, the element Z is an alkali metal.

Abstract: There is provided a binder for a secondary battery anode, in which double-bond functional groups are selectively formed in a fluorine-based polymer by using an organic catalyst, and a cross-linked structure can be formed by the double bonds through only an electrode drying process without the introduction of a heterogeneous additive.

Abstract: An optical display apparatus includes a liquid crystal panel and a viewer-side polarizing plate stacked on a surface of the liquid crystal panel, and the liquid crystal panel includes a liquid crystal layer having a pre-tilt angle of 2° to 5°, and the viewer-side polarizing plate includes a first retardation layer including a positive A layer, a second retardation layer including a positive C layer, and a polarizer sequentially stacked from the liquid crystal panel, and satisfies Equation 1.

Abstract: A glass composition, a glass article prepared therefrom, and a display device are provided. The a glass article includes, as a glass composition, 62 to 72 mol % of SiO2, greater than 0 and equal to or less than 10 mol % of Al2O3, 10 to 20 mol % of Na2O, greater than 0 and equal to or less than 5 mol % of K2O, 7 to 18 mol % of a sum of CaO and MgO with respect to a total weight of the glass article, satisfying Relation 1 below, and having a thickness of 100 ?m or less: 0.1?Al2O3/(sum of Na2O and K2O)?0.6 . . . (Relation 1), where Al2O3, Na2O and K2O are contents of corresponding components measured in mole percents (mol %).

Abstract: A composition for forming polyurethane foam including a polyol mixture containing two or more polyols having different melting points, an isocyanate compound, and a blowing agent, wherein the two or more polyols are respectively included in the same weight ratio. A foam for a vehicle seat including a polyurethane foam manufactured from the composition for forming polyurethane foam described above. A method of manufacturing a foam for a vehicle seat including manufacturing a polyurethane foam from the composition for forming polyurethane foam described above, and coating a coating layer composition containing 1 to 5 wt % of carbon nanotubes on at least one surface of the polyurethane foam. A vehicle seat including the foam for a vehicle seat described above.

Abstract: A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a stack of retardation layers on a surface of the polarizer, and the stack of retardation layers includes a second retardation layer and a first retardation layer stacked on the polarizer in sequence from the surface of the polarizer, the second retardation layer being a non-liquid crystal layer, and the stack of retardation layers has an out-of-plane retardation of ?40 nm or more to less than 0 nm at a wavelength of 550 nm and satisfies Relation 1.

Abstract: Security check methods and systems over a user on a vehicle may be provided. The security check method including checking an allowed security right to a destination of a vehicle for entry, detecting a security right of a user on the vehicle, and performing a security process related to getting off the vehicle, based on the security right of the user and the allowed security right may be provided.

Abstract: This application relates to a device and a method for voice-based trauma screening using deep learning. The device and method for voice-based trauma screening using deep learning screen for trauma through voices that may be obtained in a non-contact manner without limitations of space or situation. In one aspect, the device includes a memory configured to store at least one program and a processor configured to perform an operation by executing the at least one program. The processor can obtain voice data, pre-process the voice data, convert pre-processed voice data into image data, and input the image data to a deep learning model and obtain a trauma result value as an output value of the deep learning model.

Abstract: The present invention relates to a transition metal complex catalyst composition for polymerization of a monomer having a cyclic ester group and a method of producing a polymer using the same. More particularly, the invention provides a catalyst composition comprising a transition metal complex containing aminopyridine and aminoquinoline ligands, and a method of producing a polymer having high heterotacticity with high conversion rate even at room temperature by using the same. Since the catalyst composition for polymerization of a monomer having a cyclic ester group according to the invention comprises a transition metal compound that is chemically stable in air, it is capable of effectively producing a polymer having high heterotacticity (Pr) with high conversion rate at room temperature or below room temperature without satisfying high-temperature conditions.

Abstract: An embodiment relates to a surface emitting laser device and a light emitting device including the same. The surface emitting laser device according to an embodiment may comprise: a substrate; a first reflective layer arranged on the substrate; an active layer arranged on the first reflective layer; an aperture layer arranged on the active layer and comprising an opening; a second reflective layer arranged on the active layer; a transparent electrode layer arranged on the second reflective layer; and a metal electrode layer arranged on the transparent electrode layer. The transparent electrode layer may comprise a first area perpendicularly overlapping the opening and multiple second areas extending from the first area. The multiple second areas may be arranged outside the opening along the circumferential direction of the opening and spaced apart from each other. The multiple second areas may be arranged and spaced apart from each other so as to correspond to the circumference of the opening.

Abstract: The present application relates to a method of producing or purifying an FGF21 protein by using the heat-elasticity of FGF21. The method of producing or purifying the FGF21 protein according to an embodiment of the present application utilizes the heat stability and heat-elasticity of the FGF21 protein that is not denatured or precipitated even upon heat treatment and returns to the original structure when re-cooled after heat treatment, resulting in advantages of improving efficiency by simplifying a protein production process.

Abstract: An optical path control member according an embodiment comprises: a first substrate for which a first direction and a second direction are defined; a first electrode arranged on the first substrate; a second substrate which is arranged on the first substrate, and for which the first direction and the second direction are defined; a second electrode arranged under the second substrate; and an optical conversion unit arranged between the first electrode and the second electrode, wherein: the second substrate and the second electrode include a cutting portion that passes through the second substrate and the second electrode; the cutting portion comprises a 1-1 cutting portion and a 1-2 cutting portion that are arranged in the second direction while facing each other, and a 2-1 cutting portion and a 2-2 cutting portion that are arranged in the first direction while facing each other; and a first sealing portion is arranged on the 1-1 cutting portion and the 1-2 cutting portion, and a second sealing portion is arr

Abstract: A substrate treating apparatus includes a housing, treating space and support unit to support a substrate, dielectric plate, gas supply unit, and plasma source to generate a plasma and including a top edge electrode above the edge region supported by the support unit and bottom edge electrode below the edge region supported by the support unit, which includes a support plate having an inner space and vacuum hole that communicates with the inner space and sucking the substrate on the top surface. A lift pin assembly can transfer the substrate between an outside transfer unit and the support plate. A decompression unit can apply negative pressure to the inner space. The lift pin assembly includes a base plate and through hole penetrating the base plate to provide negative pressure in a region under the base plate to a region over the base plate. Lift pins protrude from the base plate and support a bottom substrate surface. A driver can lift/lower the base plate within the inner space.

Abstract: Provided is a composition for strengthening the dermal layer of the skin and improving skin elasticity or alleviating skin wrinkles by strengthening the basement membrane of the skin. The composition according to the presently claimed subject matter contains a compound represented by chemical formula 1; and a compound represented by chemical formula 2 and/or a compound represented by chemical formula 3, at the same time, and thus has superior skin elasticity or wrinkle alleviation effect than a composition containing the compound represented by chemical formula 1 alone, the compound represented by chemical formula 2 alone, or the compound represented by chemical formula 3 alone.

Abstract: The present invention relates to a flame-retardant nonwoven fabric for a mattress, and a flame-retardant nonwoven fabric for mattresses comprising flame-retardant rayon (FR-Rayon) staple fibers of 20 to 50% by weight; modacrylic staple fibers of 30 to 60% by weight; polyimide (PI) staple fibers of 10 to 30% by weight; and low melting polyester (LM PET) staple fibers of 5 to 20% by weight provides enhanced flame retarding and mechanical properties.