Abstract: Provided are a molten metal refining device and method. The molten metal refining method includes: preparing molten metal; dipping an impeller into the molten metal; supplying a liquid dephosphorization agent on top of the molten metal; and stirring the molten metal by rotating the impeller, wherein a solid dephosphorization agent in a powder state is supplied through the lower portion of the impeller in the stirring of the molten metal, thereby improving the stirring efficiency of the molten metal and efficiently controlling the phosphorus concentration in the molten metal.

Abstract: Provided are an anode for a secondary battery including an anode collector, an anode active material coated on the anode collector, and a non-coating portion (anode tab) which protrudes from one side of the anode collector and is not coated with an anode active material, wherein the anode includes a metal member which is bonded to the non-coating portion and has higher reactivity or reducibility with respect to a metal oxide than the anode collector, and a secondary battery including the anode.

Abstract: A rubber track to prevent occurrence edge-cuts and improve traction force even in the soft ground is disclosed. The rubber track is configured by first lugs which are formed at equal intervals on one side of the inside and the outside in a traveling direction on a surface coming into contact with the ground and have first grooves formed in a width direction; and second lugs which are formed at equal intervals on the other side of the inside and the outside in a traveling direction on a surface coming into contact with the ground and have second grooves formed in the traveling direction.

Abstract: Disclosed is a multi-layer capacitor package comprising: a multi-layer capacitor; connection electrodes coupled to capacitor electrodes respectively, wherein the connection electrodes in each group of the connection electrodes vertically overlap with each other, and first and second groups of the connection electrodes are horizontally spaced from each other; a package housing configured to receive therein the multi-layer capacitor; and first and second internal electrodes received in the housing to be coupled to the first and second groups of the connection electrodes respectively, wherein the first and second internal electrodes are horizontally spaced from each other.

Abstract: An electronic device includes a first camera for shooting in a first direction, a second camera for shooting in the first direction, and at least one processor for processing images collected through the first camera and the second camera. A specified spacing distance is maintained between the first camera and the second camera. Within a shortest focusable distance of the first camera, a first capture area of the first camera is included in a second capture area of the second camera or makes contact with an inside of the second capture area of the second camera.

Abstract: A display device includes: a first substrate; a display area with a plurality of pixels on the first substrate; a pad portion adjacent to a first side of the display area and including a plurality of connecting pads positioned on the first substrate; a first common power wire positioned between the display area and the pad portion and connected to a first connecting pad as at least one of the plurality of connecting pads to receive a power voltage; a second common power wire positioned adjacent to a second side of the display area facing the first side; an encapsulation layer positioned on the display area to protect the plurality of pixels; and a first path wire including one end connected to a second connecting pad of the plurality of connecting pads and the other end connected to the second common power wire and positioned on the encapsulation layer.

Abstract: A re-reconfigurable built-in antenna of a portable terminal is provided. The antenna includes an antenna radiator having a feeding pad electrically connected to a feeding portion of a main board of the terminal and at least one ground pad disposed in a position different from that of the feeding pad for selectively establishing an electrical connection to a ground portion of the terminal, and a switching element, commonly connected to the at least one ground pad of the antenna radiator, for selectively establishing an electrical connection to the ground portion by a switching operation. The antenna radiator changes a shape of the antenna radiator by using the selective electrical connection of the ground portion so as to have various operational frequency bands and radiation properties.

Abstract: Disclosed are a method of producing a metal composite powder by wire explosion in a liquid and a metal composite powder that is coated with a multi carbon layer. The production method includes a process of forming a first carbon layer on a surface of a metal wire consisting of a first metal, a process of forming a metal layer consisting of a second metal, which is different from the first metal, on a surface of the first carbon layer, and a process of forming a metal composite powder coated with a multi carbon layer by wire exploding the metal wire containing the first carbon layer and the metal layer formed on a surface thereof in a solution.

Abstract: Provided is a method of forming a complex plating film using multi-layer graphene metal particles. The method of forming the plating film may include preparing a powder with a metal particle structure coated with multi-layer graphene, and forming a plating film by adding the powder to a plating solution through electric plating.

Abstract: An electronic device includes a carrier having a surface, a first antenna radiator configured to transmit and/or receive a signal of a specific frequency band, a second antenna radiator configured to transmit and/or receive a signal of the specific frequency band, a communication circuit electrically connected to the first antenna radiator and the second antenna radiator, and a processor configured to control the communication circuit. The first antenna radiator includes a first conductive pattern disposed at a portion of the surface of the carrier. The second antenna radiator includes a second conductive pattern disposed at another portion of the surface of the carrier. The first antenna radiator includes a first open stub extending from one point of the first conductive pattern and configured to provide a transmission coefficient between the first antenna radiator and the second antenna radiator that is lower than a specific value at the specific frequency band.

Abstract: Image sensor and method of manufacturing the same are provided. The image sensor includes a semiconductor substrate including a pixel area, a voltage connection area, and a pad area, a plurality of photoelectric conversion devices in the pixel area, an anti-reflective layer on a back side of the semiconductor substrate and on the plurality of photoelectric conversion devices, a device isolation structure between the plurality of photoelectric conversion devices, at least one voltage connection structure in the voltage connection area, and electrically connected to the device isolation structure, at least one voltage applying device electrically connected to the at least one voltage connection structure, an internal circuit including at least one conductive inner wire and at least one conductive inner via in an insulating layer, and a through via structure in the pad area.

Abstract: A liquid crystal display includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking member disposed on one of the first substrate or the second substrate, where the light blocking member is disposed in a display area including a plurality of pixel areas, and the light blocking member includes a plurality of extensions having a predetermined plane shape; and a plurality of first spacers disposed on one of the first substrate and the second substrate and contacting an upper surface of a plurality of thin films disposed on the other of the first substrate and the second substrate, in which the extensions of the light blocking member includes a first extension and a second extension, and the first extension overlaps the first spacers, and the second extension does not overlap the first spacers.

Abstract: An impeller for stirring a melt pool includes: an impeller body extending in the length direction; a blowing nozzle which is provided in such a way as to pass through one part at the bottom end of the impeller body; and a blade provided on the upper part of the impeller body. As a result, when the impeller is used, a stirring flow produced due to the blade and a stirring flow due to substances blown into the melt-pool via the blowing nozzle correspond to each other, and the two flows are combined such that the overall stirring force is improved. Consequently, it is possible to improve the efficiency of stirring by the impeller as compared with hitherto, and, as a result, refining efficiency in the refining step is improved as the rate of reaction between the melt-pool and additives is increased.

Abstract: A liquid crystal display device includes an insulation substrate including a transmissive area and a reflective area, an organic layer positioned on the insulation substrate, and including a triangular pattern in the reflective area, a reflective electrode including reflective patterns corresponding to the triangular pattern of the organic layer in the reflective area, a color filter layer positioned on the reflective electrode, and including an opening for exposing a partial area of the reflective pattern, and a transparent layer disposed inside the opening of the color filter layer.

Abstract: An antenna apparatus and an electronic device having the same is provided. The electronic device includes an antenna radiator formed in a loop shape having at least one opening end part opened by a slit, at least a portion of the at least one opening end part is fed, at least one electronic component of metal material electrically connected with the antenna radiator, and at least one metal member arranged around the antenna radiator, where the at least one opening end part is formed in a reverse direction from the direction of the metal member.

Abstract: The present invention relates to a method for manufacturing a board that includes a conductive pattern, which comprises the steps of 1) discharging a conductive inorganic composition that includes a conductive inorganic metal particle on a substrate; 2) discharging a conductive organic composition that includes a conductive organic metal complex on the conductive inorganic composition; and 3) sintering the conductive inorganic composition and the conductive organic composition, and a board that includes a conductive pattern manufactured by using the same. A board that includes a conductive pattern according to the present invention may have high conductivity even though it is sintered at a lower sintering temperature than a board that includes a conductive pattern formed by using only an organic material or only an inorganic material.

Abstract: An optical adjusting apparatus having an optical adjusting lens to perform image stabilization and auto focusing includes a base supporting a lens barrel on which the optical adjusting lens is mounted, a first driver to move the lens barrel in a first direction, a plurality of first ball bearings disposed between the base and the first driver, a second driver to move the lens barrel in a second direction that is perpendicular to the first direction, and a plurality of second ball bearings disposed between the first driver and the second driver.

Abstract: There is provided an electrode for a lithium secondary battery. The electrode include a current collector; nanoparticles distributed on a surface of the current collector, each of the nanoparticles including a transition metal or an oxide of the transition metal; and an active material layer disposed on a surface of the current collector having the nanoparticles distributed thereon. This electrode may be employed as a negative electrode for the lithium second battery, to improve a capacity of the lithium second battery.

Abstract: Package substrates, semiconductor packages including the package substrates, and methods for fabricating the semiconductor packages are provided. A package substrate may include a core including a first surface on which a semiconductor chip is disposed and a second surface opposite the first surface. The package substrate may also include a metal pad on the second surface of the core. The metal pad may include a saline water corrosion resistant surface.

Abstract: Disclosed are a method of producing a metal composite powder by wire explosion in a liquid and a metal composite powder that is coated with a multi carbon layer. The production method includes a process of forming a first carbon layer on a surface of a metal wire consisting of a first metal, a process of forming a metal layer consisting of a second metal, which is different from the first metal, on a surface of the first carbon layer, and a process of forming a metal composite powder coated with a multi carbon layer by wire exploding the metal wire containing the first carbon layer and the metal layer formed on a surface thereof in a solution.