Abstract: A battery module includes at least one battery cell, a module case accommodating the at least one battery cell, at least one leakage prevention pocket provided in the module case to prevent leakage of flame or spark in case of an abnormal situation of the at least one battery cell, and a fire extinguishing agent injection unit provided to the at least one leakage prevention pocket and configured to inject a fire extinguishing agent into the module case in the event of the abnormal situation.

Abstract: There is provided an object attribute-based watermarking method for preventing leakage of a digital content. A video watermarking method according to an embodiment may acquire a requested video and watermarking information upon receiving a request for video streaming from a user, may determine some of objects appearing in the video according to the watermarking information, may transform attributes of the determined objects, and may stream the transformed video. Accordingly, by watermarking an attribute of an object appearing in a video differently according to a user and providing the video, a watermark may be difficult to perceive, robustness against various attacks may be guaranteed, and a leakage path of a content may be checked.

Abstract: There is provided a thin optical system for real-world occlusion in an augmented reality display. The optical system according to an embodiment includes: a first DCRA configured to reflect light beams focused on holes; a mask positioned on a light emitting surface of the first DCRA to pass or block the light beams emitted from the first DCRA; and a second DCRA configured to reflect the light beams which are focused on holes after passing through the mask. Accordingly, the optical system can implement real-world occlusion in the unit of pixel while having a thin form factor.

Abstract: The present invention relates to functionalized graphene having a functional group self-adsorbed onto silicon or a silicon compound, wherein the functionalized graphene has an interplanar distance of about 0.3558 nm to about 0.4790 nm.

Abstract: A battery pack includes a module assembly including a plurality of battery modules arranged in a first direction, a vent channel located on a surface of the module assembly and configured to communicate with each of the plurality of battery modules, and a discharge delay member provided in the vent channel and configured to delay discharge of venting gas generated in at least some of the plurality of battery modules and introduced into the vent channel.

Abstract: A battery pack includes a module assembly including a plurality of battery modules each including, on a side, a module opening through which venting gas is discharged, a pack cover facing the module opening and configured to cover the side of the module assembly, and an oxygen introduction preventing member located in a space formed between the module assembly and the pack cover and configured to prevent oxygen from being reversely introduced after venting gas is discharged in an extension direction of the space.

Abstract: The present invention relates to an apparatus and a method for setting up a board ID of a board used for a controller in a HVDC system that is capable of shortening inspection time of a board by easily identifying a location and a type of the board for inspection mounted. The apparatus for setting up a board ID of a board used for a controller in a HVDC system in the present invention comprises: IO boards for controlling submodules; a main board for managing the at least one IO board, and a backplane for connecting the main board with the at least one IO board.

Abstract: The present invention relates to a cosmetic comprising polyurethane foam in which a liquid cosmetic substance is impregnated. The present invention provides a cosmetic comprising polyurethane foam in which a cosmetic composition is impregnated, wherein the 5 polyurethane of the polyurethane foam comprises an ether group and an ester group in a molar ratio of 4:6 to 6:4, the-<cosmetic composition has a water content of 35 wt % or less, and the threshold shear stress at which storage modulus (G?)=loss modulus (G?) is 100 Pa or less. According to the present invention, provided is a cosmetic comprising a composite polyurethane foam, wherein a cosmetic composition is stably present in a supported state and 10 can be uniformly rearranged inside the foam during pressurization.

Abstract: A method and apparatus for NSTR communication in a communication system supporting multiple links are disclosed. A method for a first device comprises the steps of: if a first backoff operation has succeeded on a first link belonging to a first pair of NSTR links on which an STR operation of a second device is not supported, transmitting a first data frame to the second device on the first link; performing a second backoff operation for transmission of a second data frame on a second link belonging to the first pair of NSTR links; if the second backoff operation has succeeded on the second link, identifying whether or not a transmission operation of the second device is performed on the first link belonging to the pair of NSTR links; and transmitting the second data frame to the second device on the second link.

Abstract: Disclosed are a method and device for bidirectional communication in a wireless LAN. The method of a first STA comprises the steps of: receiving, from an AP, a first frame including an information element indicating TXOP sharing; confirming a shared TXOP duration on the basis of the first frame; and communicating with a second STA within the shared TXOP duration.

Abstract: A method and a device for direct communication in a communication system supporting multiple links are disclosed. A method of an AP MLD comprises the steps of: transmitting a trigger frame in multiple links including a first link and a second link; receiving a response frame for the trigger frame from a first STA associated with an STA MLD in the first link; receiving a first data frame from a third STA in the second link; and when a subject to receive the first data frame is a second STA associated with the STA MLD, transmitting a second data frame generated on the basis of the first data frame, to the first STA in the first link.

Abstract: A method and a device for shard communication in a wireless LAN are disclosed. A method of a first STA comprises the steps of: receiving a first frame for allocation of a shared communication period from an AP; identifying the shared communication period on the basis of one or more fields included in the first frame; and performing shared communication with a second STA in the shared communication period, wherein the shared communication period is configured within a TXOP configured between the AP and a third STA.

Abstract: A control device for an MMC is disclosed.

Abstract: A battery module includes a plurality of battery cells, at least one cooling channel provided on at least one side of the plurality of battery cells and through which a coolant for cooling the plurality of battery cells flows, and at least one cooling fin unit disposed in contact with the at least one cooling channel and having at least one support rib for supporting the at least one cooling channel.

Abstract: A battery pack has improved safety. The battery pack includes a battery module having at least one battery cell; and a thermal runaway suppression unit mounted to one side of the battery module and configured to form a positive pressure inside the battery module when an abnormal situation occurs in any one battery cell.

Abstract: A semiconductor device includes first and second active patterns extending in a first direction, a first epitaxial pattern on the first active pattern and adjacent to the second active pattern, a second epitaxial pattern on the second active pattern and adjacent to the first active pattern, an element separation structure separating the first and second active patterns between the first and second epitaxial patterns, and including a core separation pattern, and a separation side wall pattern on a side wall of the core separation pattern, and a gate structure extending in a second direction intersecting the first direction, on the first active pattern. An upper surface of the gate structure is on the same plane as an upper surface of the core separation pattern. The separation side wall pattern includes a high dielectric constant liner, which includes a high dielectric constant dielectric film including a metal.

Abstract: A method of a terminal, according to an exemplary embodiment of the present disclosure, may include: requesting access to a mobile integrated access backhaul (IAB) based on cell search; receiving a tracking area (TA) update procedure stop request message from an Access and Mobility Management Function (AMF) of a core network; and deactivating a TA update procedure based on the TA update procedure stop request message.

Abstract: A method of an integrated access and backhaul (IAB) node may include: receiving, from a target base station, one or more user equipment (UE) context setup request messages including terminal radio resource reconfiguration information; sharing context information including the terminal radio resource reconfiguration information with a source IAB-distributed unit 1 (IAB-DU1); configuring terminal reconfiguration information using the shared context information; and transmitting one or more UE context setup response messages including the terminal reconfiguration information to the target base station in response to the one or more UE context setup request messages.

Abstract: A method of an IAB node may comprise: receiving an RRC message including measurement control information from a base station; transmitting RRC reconfiguration information including the measurement control information to each of a plurality of terminals; receiving a measurement report message including a measurement report generated by each of the plurality of terminals based on the measurement control information from each of the plurality of terminals; and grouping the measurement report messages received from the plurality of terminals into a grouped message report message, and transmitting the grouped measurement report message to the base station according to a grouped measurement reporting periodicity.

Abstract: A method of an aerial vehicle for urban air mobility may include: reporting, to a first base station, a measurement result for neighboring base stations including a second base station; receiving, from the first base station and as a processing result based on the measurement result, an indication of a failure of a handover to the second base station; requesting, to a control station, first location information indicating a first location to move according to the failure of the handover; receiving the first location information from the control station; and moving according to the received first location information.