Abstract: A method for synthesizing carbon nanotubes using a nanoparticle catalyst prepared by vaporizing a catalyst raw material using plasma and then condensing the vaporized catalyst raw material is disclosed. The production method of the present disclosure can make the synthesized carbon nanotubes have high crystallinity; and facilitate their mass synthesis.

Abstract: An operation method of a first terminal performing sidelink communication may comprise the steps of: receiving resource coordination information from a second terminal; if the resource coordination information is information on preferred resource(s), selecting candidate resources to be used for transmission of the first terminal based on the preferred resource(s); and if the resource coordination information is information on non-preferred resource(s), excluding the non-preferred resource(s) from the candidate resources to be used for transmission of the first terminal.

Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.

Abstract: A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers, a binder configured to bond the lyocell fibers to each other, and a solvent dispersed in an inner space of the cigarette filter including the lyocell tow, wherein the solvent includes a polyhydric alcohol, is provided. According to one embodiment of the present disclosure, the polyhydric alcohol is a diol having a C1-C4 alkylene group. The cigarette filter according to one embodiment of the present disclosure overcomes the existing material-related problems of lyocell tow and has excellent hardness.

Abstract: A light emitting diode, including a first type semiconductor layer, an active layer, and a second type semiconductor layer; an ohmic contact layer disposed on the second type semiconductor layer; a first insulating layer disposed on the semiconductor structure and including a first opening overlapping the first type semiconductor layer and a second opening overlapping the ohmic contact layer; a first connection wiring disposed on the first insulating layer, the first connection wiring having a first portion and a second portion; and a second connection wiring disposed on the first insulating layer and spaced apart from the first connection wiring, the second connection wiring electrically connected to the second type semiconductor layer through the second opening. The second connection wiring surrounds at least a portion of the first portion of the first connection wiring in a plan view.

Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.

Abstract: The present disclosure relates to a solid electrolyte membrane including a polymer electrolyte material and a porous polymer sheet which form a composite with each other in such a manner that the pores of the porous polymer sheet filled with the polymer electrolyte material, and a method for manufacturing the same. Since the porous polymer material and the solid electrolyte material form a composite with each other, it is possible to obtain a solid electrolyte membrane having excellent strength and a small thickness of 50 ?m or less, and thus to improve the energy density of a battery.

Abstract: An operation method of a terminal in a communication system may comprise receiving first random access (RA) configuration information and second RA configuration information from a base station; transmitting a Msg1 to the base station based on the second RA configuration information; receiving a Msg2, which is a response to the Msg1, from the base station; and repeatedly transmitting a Msg3 K times to the base station.

Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.

Abstract: The present invention relates to an etching device and an etching method thereof, the etching device comprising: an etchant supply unit for supplying an etchant to an etching chamber, a rinsing liquid supply unit for supplying a rinsing liquid to the etching chamber; a cleaning liquid supply unit for supplying a cleaning liquid to the etching chamber; and a first pressurization maintaining unit for maintaining at least one of the etching chamber and the etchant supply unit in a pressurized atmosphere.

Abstract: An operation method of a relay in a mobile communication system may comprise the steps of: receiving information relating to a backhaul reception beam and/or a backhaul transmission beam from a base station; receiving information relating to an access link transmission beam and/or an access link reception beam from the base station or obtaining information relating to an access link transmission beam and/or an access link reception beam from the information relating to the backhaul reception beam and/or backhaul transmission beam; communicating with the base station by using the backhaul reception beam and/or the backhaul transmission beam formed using the information relating to the backhaul reception beam and/or backhaul transmission beam; and communicating with a terminal by using the access link transmission beam and/or the access link reception beam formed using the information relating to the access link transmission beam and/or access link reception beam.

Abstract: Provided is a solid electrolyte membrane for a solid-state battery, including at least two solid electrolyte layers and at least one volume-swelling layer, wherein the volume-swelling layer is disposed between the solid electrolyte layers. The solid electrolyte membrane includes (a) an ion conductive solid electrolyte material, and the volume-swelling layer includes (b) inorganic particles, wherein the inorganic particles form an alloy with lithium and include a metal, metal oxide or both. Thus, it is possible to provide a solid electrolyte membrane for a solid-state battery fundamentally prevented from a short-circuit by inhibiting growth of lithium dendrite.

Abstract: A power generating apparatus according to one embodiment of the present invention includes a duct through which a first fluid passes, a first thermoelectric module and a second thermoelectric module disposed on a first surface of the duct to be spaced apart from each other, a connector disposed between the first thermoelectric module and the second thermoelectric module on the first surface of the duct, and a shield member disposed on the connector on the first surface of the duct, wherein the shield member includes a first face and a second face having a height higher than a height of the first face.

Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.

Abstract: An apparatus for preparing lithium sulfide includes a reaction chamber that has a reaction space for generating lithium sulfide and is provided to move a supplied lithium raw material in a predetermined direction; a lithium raw material supply unit provided to continuously supply the lithium raw material to an upstream side of the reaction chamber in the predetermined direction; a hydrogen sulfide supply unit provided to supply hydrogen sulfide to the reaction chamber; a heating unit; a lithium sulfide recovery unit provided on a downstream side of the reaction chamber in the predetermined direction and provided to recover lithium sulfide that is generated by a reaction between the hydrogen sulfide and the lithium raw material in the reaction chamber; an inert gas supply unit provided to supply an inert gas to the upstream side of the reaction chamber in the predetermined direction; and a moisture removal unit.

Abstract: A lithium ion secondary battery system includes a chamber to accommodate a lithium ion secondary battery, a charging/discharging device for electrically charging and discharging the lithium ion secondary battery, a pressure plate disposed in the chamber and configured to press the lithium ion secondary battery when the lithium ion secondary battery is electrically charged, a pointed portion disposed in the chamber and configured to bore a hole in a pouch of the lithium ion secondary battery to enable gas generated during the electrical charging of the lithium ion secondary battery to be removed from the pouch, and a sealer configured to seal the pouch after the gas is removed.

Abstract: Disclosed is a method for configuring a bandwidth for supporting a broadband carrier in a communication system. An operation method of a base station comprises the steps of: configuring a first bandwidth part and a second bandwidth part for a terminal; configuring a reserved resource for the first bandwidth part in a resource area in which the first bandwidth part and the second bandwidth part overlap; and performing an operation of transmitting or receiving a second data channel, which is scheduled to the second bandwidth part, together with the terminal by using the reserved resource. Therefore, the performance of the communication system can be improved.

Abstract: A battery pack is configured to discharge a high-temperature gas to the outside of the battery pack without affecting other adjacent battery modules when the gas is generated inside the battery module. The battery pack includes a pack housing; battery modules; and a first side venting channel and a second side venting channel configured to guide a venting gas generated from the battery modules to a collection space at a position corresponding to the battery module, and the pack cover includes a protrusion on a surface of a region corresponding to the collection space.

Abstract: The present application provides an air purifier with a function of inactivating collected pathogens in a filter portion. More specifically, the present application provides an air purifier with a function of inactivating collected pathogens in a filter portion, the air purifier being capable of efficiently inactivating collected pathogens in the filter portion while protecting a pathogen collection filter portion and significantly reducing ozone to be treated by an ozone catalyst portion by optimizing operation of a plasma filter portion, and an air purifying method using the same.

Abstract: Disclosed herein are an image encoding/decoding method and apparatus. The image decoding method of the present disclosure may include obtaining maximum transform block size information, deriving a maximum transform block size on the basis of the maximum transform block size information, and, determining whether or not a secondary inverse transform is applied to the current block on the basis of the maximum transform block size and a horizontal size and a vertical size of a current block.