Abstract: Discussed are a battery pack including a cell stack structure using a flexible printed circuit board (FPCB), and more specifically, to a battery pack that forms various stack structures by connecting battery cells through an FPCB and stacking the battery cells in a desired stacked state. The battery pack includes at least two or more stacked battery cells; a flexible printed circuit board (FPCB) configured to electrically interconnect the battery cells; and a battery protection circuit configured to protect the battery cells, wherein the FPCB comprises a cell connection part connecting the battery cells in a predetermined connection state.

Abstract: A supported oxidative coupling of methane (OCM) catalyst comprising a support and an OCM catalytic composition characterized by the general formula AaZbEcDdOx; wherein A is an alkaline earth metal; wherein Z is a first rare earth element; wherein E is a second rare earth element; wherein D is a redox agent or a third rare earth element; wherein the first rare earth element, the second rare earth element, and the third rare earth element, when present, are not the same; wherein a is 1.0; wherein b is from about 0.1 to about 10.0; wherein c is from about 0.1 to about 10.0; wherein d is from about 0 to about 10.0; and wherein x balances the oxidation states.

Abstract: Provided is a method for preparing a block copolymer including a step of subjecting a lactide monomer to ring-opening polymerization in the presence of a biosynthesized poly(3-hydroxypropionate) initiator to prepare a polylactide-poly(3-hydroxypropionate) block copolymer.

Abstract: Provided is a lactic acid-based block copolymer which is biodegradable while having excellent mechanical properties.

Abstract: Disclosed is a polyethylene yarn capable of providing a user with a soft tactile sensation as well as a cooling feeling or a cooling sensation, and also having improved weavability that enables the manufacture of a skin cooling fabrics having excellent pilling resistance, abrasion resistance, cuttability, and sewability, a method for manufacturing the same, and a skin cooling fabric including the same. In a strength-elongation curve of the polyethylene yarn obtained by measuring at ambient temperature, (i) elongation at strength of 1 g/d is 0.5 to 3%, (ii) elongation at strength of 3 g/d is 5.5 to 10%, and (iii) a difference between elongation at strength of 4 g/d and elongation at maximum strength is 5.5 to 25%, and the polyethylene yarn has toughness of 55 to 120 J/m3 at ambient temperature.

Abstract: Provided is a lactic acid-based block copolymer which is biodegradable while having excellent mechanical properties.

Abstract: A secondary battery includes: an electrode assembly including a negative electrode plate, a positive electrode plate, and a separator between the negative electrode plate and the positive electrode plate; and a case accommodating the electrode assembly. The electrode assembly includes an adhesive part on an outermost region of the electrode assembly. The adhesive part is arranged to cover a boundary line between the negative electrode plate and the separator or between the positive electrode plate and the separator, and is bonded to the case.

Abstract: An apparatus that communicates with a screen printer and a solder inspection device is disclosed. The apparatus according to the present disclosure may include a process that is configured to: obtain first information associated with each of a plurality of pads on the substrate; obtain second information associated with each piece of the solder paste applied to each of the plurality of pads from the solder inspection device; determine a position correction value for the stencil mask with respect to the substrate based on the first information and the second information; and deliver the position correction value to the screen printer.

Abstract: An apparatus that communicates with a screen printer and a solder inspection device is disclosed. The apparatus according to the present disclosure may include a process that is configured to: obtain first information associated with each of a plurality of pads on the substrate; obtain second information associated with each piece of the solder paste applied to each of the plurality of pads from the solder inspection device; determine a position correction value for the stencil mask with respect to the substrate based on the first information and the second information; and deliver the position correction value to the screen printer.

Abstract: An air inlet assembly for circulating air in a receiving space for receiving laundry, and a laundry treatment apparatus including the same are provided. An air inlet assembly according to an aspect of the present disclosure includes a cover mounted on an air suction part, wherein the air suction part includes a through-hole formed in a portion thereof. The cover includes a base plate configured to cover the air suction part when viewed in a plan view, by forming a portion corresponding to the through-hole as an opened plate shape, an outer wall configured to continuously protrude along the periphery of the base plate, and a rib configured to protrude from an inner portion spaced apart from the outer wall so as to form a water discharge channel in a space between the outer wall and the rib, wherein the water discharge channel extends to the through-hole.

Abstract: An air mobility craft is provided. The air mobility craft includes a fuselage that has a boarding space and a boarding gate and a plurality of wings disposed on the fuselage. A plurality of rotors are disposed on the wings. A first number of the plurality of rotors are tilting rotors configured to tilt upward or downward for lifting or cruising of the fuselage and a remaining number of the rotors are lifting rotors.

Abstract: Disclosed is an air cleaner capable of removing contaminants in the air by using various air cleaning methods. The air cleaner includes a case including an upper opening through which air is introduced, a lower opening through which purified air is discharged, a filter module detachably mounted in the case and configured to filter out contaminants in the air, an injector injecting water, and an electric dust collecting device located below the injector and collecting dust in the air.

Abstract: Disclosed is a wireless charging device including a first cover, at least a portion of a surface of which has a frictional force of a specific magnitude, a second cover disposed under the first cover and having an elastic force of a specific magnitude, an upper housing disposed under the second cover, a lower housing coupled to the upper housing, at least one charging coil disposed between the upper housing and the lower housing and configured to supply electric power to an electronic device positioned on an upper surface of the first cover, a power source part connected to the at least one charging coil, and a holding state changing part configured to help change holding states of the upper housing and the lower housing.

Abstract: The present invention relates to an adaptive beacon cigarette lighter plug device.

Abstract: There are provided a method and system for authenticating a stamp touch. The method of authenticating a stamp touch according to the invention is executed in a wireless terminal having a capacitive touch screen which supports a multi-touch, the method including, a first operation in which N touch points touching a touch stamp having N (N?5) touch units made of a conductive material on the capacitive touch screen are recognized, a second operation in which a touch authentication condition set for authenticating a touch using the touch stamp is used to check an authentication result of a geometrical position relation of the N touch points, and a third operation in which a designated service linked with the touch stamp starts when the N touch points are authenticated.

Abstract: Disclosed herein is a refrigerator. The refrigerator includes a cold air generating device configured to generate cold air, a plurality of storage chambers arranged in at least a part of an area around the cold air generating device, a cold air guide unit configured to extend from the cold air generating device toward the plurality of storage chambers for guiding cold air generated from the cold air generating device selectively to the respective storage chambers, and a discharge guide unit configured to guide inside air of the respective storage chambers to the outside.

Abstract: An electronic device is provided. The electronic device includes a housing including a first plate, a second plate facing the first plate, and a side member surrounding a space between the first plate and the second plate and a circuit board, which is accommodated inside a housing and in which a wireless communication circuit is disposed. The second plate includes a slot filled with a non-conductive material. An area other than the slot is formed of a conductive material. The circuit board includes a conductive pattern formed on the circuit board along with the slot of the second plate, and the wireless communication circuit is configured to feed one point of the second plate adjacent to the slot to receive a signal of a first frequency band through an electrical path formed by the slot and to feed the conductive pattern to receive a signal of a second frequency band through the slot.