Abstract: The present invention relates to a wound dressing material comprising a fibrillated acellular dermis matrix and a biodegradable polymer aqueous solution and, more specifically, to: a wound dressing material comprising 5-20 wt % of a fibrillated acellular dermis matrix, 0.5-5 wt % of a biodegradable polymer, and 75-94.5 wt % of water; and a preparation method therefor.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case that is connected to the first electrode and accommodates the electrode assembly, and includes an opening; a cap plate that is coupled to the case to cover an outer area of the opening and includes a through-hole exposing a central area of the opening; a terminal plate that is connected to the second electrode and is insulation-bonded to the cap plate so as to cover the through-hole; and a thermal-fusion layer that is positioned between the cap plate and the terminal plate and insulation-bonds the cap plate and the terminal plate, and the cap plate includes a plating layer that is directly bonded to the thermal-fusion layer.

Abstract: According to a photobiomodulation method and system for inducing the activity of a brain-derived nerve growth factor in a hippocampal tissue, proposed by the present invention, a photobiomodulation (PBMT or PBM) method, which is a therapy using infrared to seat-infrared (wavelength of 600-1100 nm) light, is utilized, thereby delaying the death of cells, promoting the proliferation of meristematic cells, and inducing natural treatment without the risk of adverse reactions to a disease or lesion, in a simple and easy manner in which low-level laser light is irradiated into a living body, based on the principle that certain molecules in the living body can absorb photons and trigger signaling pathways in response to light of a specific wavelength band.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case accommodating the electrode assembly and connected to the first electrode, the case having an opening exposing the electrode assembly; a cap plate coupled with the case and covering an outer region of the opening in the case, the cap plate having an opening exposing a central region of the opening in the cap plate and including an insulation layer coated on a surface thereof corresponding to the opening in the cap plate; and a terminal portion connected with the second electrode and bonded in an insulated manner to the cap plate. The terminal portion covers the opening in the cap plate, and the terminal portion includes a plating layer that is directly bonded to the insulation layer of the cap plate.

Abstract: One aspect of the present invention is to provide a rechargeable battery that increases capacity by reducing a thickness at which an electrode terminal is installed and that easily connects a lead tab to the electrode terminal. An embodiment of the present invention provides a rechargeable battery including: an electrode assembly formed by disposing and winding a separator between a first electrode and a second electrode; a case that faces one of the wound ends of the electrode assembly and accommodates the electrode assembly; a cap plate that faces the other of the wound ends and closes and seals an opening of the case; an electrode terminal installed by interposing an insulating material in a terminal hole formed in one of the cap plate and the case; a first lead tab connecting one of the first electrode and the second electrode to the electrode terminal; and a second lead tab connecting the other of the first electrode and the second electrode to the other of the cap plate and the case.

Abstract: One aspect of the present invention is to provide a rechargeable battery that increases capacity and facilitates connection of the lead tab to the electrode terminal by reducing the thickness at which the electrode terminal is installed. A rechargeable battery according to an embodiment of the present invention includes: an electrode assembly formed by disposing and winding a separator between a first electrode and a second electrode; a case facing one of wound ends of the electrode assembly and accommodating the electrode assembly; a cap plate facing the other of the wound ends, and closing and sealing an opening of the case; an electrode terminal installed in a terminal hole formed in the cap plate by interposing an insulating sealing material; a first lead tab connecting the first electrode to the electrode terminal; and a second lead tab connecting the second electrode to the case.

Abstract: Locking pliers according to an embodiment of the present disclosure can be easily unlocked by pressing a pressing unit of an opening lever with a thumb while gripping the levers with one hand, and the locking pliers can give tension to an object by pulling the object through the principle of leverage.

Abstract: A battery module includes a cell stack structure formed as a plurality of battery cells stacked and accommodated in a module case. The module case includes at least one hole forming plate having a plurality of resin injection holes formed therein for receiving an adhesive resin therethrough, and the plurality of resin injection holes are distributed on both a left side and a right side of a center of the hole forming plate in a longitudinal direction thereof, such that the resin injection holes on the left side and the right side are spaced apart from each other by a predetermined distance from the center of the hole forming plate in the longitudinal dimension.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode spaced from the first electrode; a case connected to the first electrode to receive the electrode assembly, and including an opening for exposing the electrode assembly; a cap plate combined to the case to cover a peripheral region of the opening, and including a through-hole for exposing a center region of the opening; a terminal plate disposed between the cap plate and the electrode assembly to cover the center region of the opening, and connected to the second electrode; and a sealing portion disposed between the cap plate and the terminal plate, and bonding between the cap plate and the terminal plate, wherein the terminal plate includes a flange portion overlapping the cap plate, and a terminal portion protruding from the flange portion corresponding to the through-hole, a height of an end being different from a height of a surface of the cap plate.

Abstract: A rechargeable battery includes: a case receiving an electrode assembly and including an opening; a cap assembly including a cap plate combined to the case and covering the opening, and a terminal plate combined to the cap plate; and a housing member covering the cap plate on an external side of the terminal plate and combined to the case, the housing member including an undercut formed toward an external surface of the case.

Abstract: A planar transformer is disclosed. The planar transformer includes a first core, a second core, a third core, and a fourth core, which are sequentially disposed; a primary coil unit having multiple primary substrates through which the first to fourth cores penetrate and on which primary coil patterns are formed such that magnetic flux is generated in a first direction in the first and fourth cores and in a second direction in the second and third cores; and a secondary coil unit having multiple secondary substrates through which the first to fourth cores penetrate and on which secondary coil patterns are formed, the secondary coil patterns formed on a periphery of the first to fourth cores such that current induced by the magnetic flux flowing in the first to fourth cores flows therein, wherein the multiple primary and secondary substrates form a multi-layer structure.

Abstract: A method of controlling charge of a vehicle battery includes: determining, by a control unit, whether a high voltage battery and a low voltage battery are charged in a first charging mode, a second charging mode, or a third charging mode; and charging at least one of the high voltage battery or the low voltage battery by controlling a first full-bridge circuit unit, a second full-bridge circuit unit, and a low voltage direct current (DC) converter unit based on the determined first, second or third charging mode.

Abstract: A semiconductor device including a substrate including first and second regions along a first direction, and a third region between the first region and the second region, an active pattern extending in the first direction, on the substrate, and first to third gate electrodes spaced apart from each other and extending in a second direction, on the active pattern, the active pattern of the first region including first semiconductor patterns spaced apart from each other and penetrating the first gate electrode, the active pattern of the second region including second semiconductor patterns spaced apart from each other and penetrating the second gate electrode, the active pattern of the third region including a transition pattern protruding from the substrate and intersecting the third gate electrode and including a sacrificial pattern and a third semiconductor pattern alternately stacked on the third region and including different materials from each other.

Abstract: Locking pliers according to an embodiment of the present disclosure can be easily unlocked by pressing a pressing unit of an opening lever with a thumb while gripping the levers with one hand, and the locking pliers can give tension to an object by pulling the object through the principle of leverage.

Abstract: The present disclosure discloses: a bifunctional Cu/Ce—Zr-based catalyst suitable for reacting a ketone and alcohol which are contained in a fermented product of biomass and have a low molecular weight, and converting same into an aliphatic ketone having an increased carbon number; a method for producing the catalyst; and a method for producing a fuel-range aliphatic ketone, such as gasoline and air fuel, by using the catalyst.

Abstract: An embodiment comprises a lens driving part including a lens, a connection substrate connected to the lens driving part, and a connector part connected to the connection substrate. The connector part comprises a substrate including, on the upper surface thereof, a cavity and a ground layer, a noise shield part located within the cavity of the substrate and contacting the ground layer, and a reinforcement member located on the noise shield part. The reinforcement member is located in the cavity of the substrate and on the upper surface of the substrate. In a top view, the length of one side of the noise shield part is less than the length of one side of the cavity of the substrate.

Abstract: A system of charging a battery of a vehicle is provided. The system includes a charger having a direct current (DC) capacitor to which a DC voltage converted from an AC charge voltage is applied and a first DC converter that converts a magnitude of a voltage of the DC capacitor. A first battery is connected to the first DC converter and is charged with a DC voltage converted by the first DC converter. A second DC converter is connected to the battery and converts a magnitude of a voltage of the battery. A second battery receives a DC voltage converted by the second DC converter. A controller charges the DC capacitor up to a predetermined initial charge voltage using power stored in the second battery by operating the second DC converter and the first DC converter in a backward direction before the AC charge voltage is provided to the charger.

Abstract: A rechargeable battery according to an embodiment includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case including an inner space to accommodate the electrode assembly and having an opening at a side thereof; a cap plate coupled to the opening of the case and including a terminal hole to expose the inner space; and an electrode terminal electrically connected to the electrode assembly through the terminal hole and overlapping the cap plate, and the cap plate and the electrode terminal are made of different metals.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case connected to the first electrode to house the electrode assembly and including an opening to receive the electrode assembly; a cap plate coupled with the case to cover an outer region of the opening and including a through-hole to expose a center region of the opening; and a terminal plate connected to the second electrode to be insulated from and bonded to the cap plate, and including a flange part covering the through-hole and a protruded part penetrating the through-hole from the flange part.

Abstract: A converter using a planar transformer includes an input device that receives a first voltage, a transformer including a first planar transformer and a second planar transformer that reduce the first voltage, and an output device that outputs the first voltage as a second voltage, wherein the first voltage is greater than the second voltage, and the input device provides a current to a primary winding coil of each of the first planar transformer and the second planar transformer through a first current path and a second current path in which current directions are different with each other, and includes a plurality of inductors connected in parallel with the primary winding coil of each of the first planar transformer and the second planar transformer.