Abstract: A method by which a first wireless device maintains beamforming in a wireless AV system, according to one embodiment of the present invention, comprises the steps of: transmitting a packet including a non-training field and a plurality of training fields to a second wireless device, wherein the non-training field is transmitted on the basis of the best sector combination from among a plurality of candidate sector combinations predetermined between the first wireless device and the second wireless device, and the plurality of training fields is transmitted on the basis of the plurality of candidate sector combinations; receiving candidate beam feedback information as a response to the plurality of training fields; determining, on the basis of the candidate beam feedback information, whether a channel change due to an obstacle occurs; and updating the best sector combination on the basis of the candidate beam feedback information when it is determined that the channel change occurs.

Abstract: Provided is a thin lithium battery and a method for manufacturing the same. Specifically, the present invention relates to a thin lithium battery having a tabless current collecting structure that does not require a separate tab or terminal unit because a current collector is exposed to the outside, and a method for manufacturing the same. In addition, the present invention relates to a thin lithium battery and a method for manufacturing the same, wherein the thin lithium battery has flexibility and can thus be applied to flexible devices, and does not require a separate terminal unit and can thus be manufactured into a wide variety of dimensions and designs by punching, such as by cutting, stamping, or laser cutting.

Abstract: A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: A semiconductor device includes a first substrate including an impurity region including impurities of a first conductivity type, circuit devices on the first substrate, a lower interconnection structure electrically connected to the circuit devices, a second substrate on the lower interconnection structure and including semiconductor of the first conductivity type, gate electrodes on the second substrate and stacked and spaced apart from each other in a first direction perpendicular to an upper surface of the second substrate, channel structures penetrating the gate electrodes, and a connection structure. The channel structures may extend perpendicular to the second substrate. The channel structures may include a channel layer. The connection structure may connect the impurity region of the first substrate to the second substrate, and the connection structure may include a via including a semiconductor of a second conductivity type.

Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.

Abstract: Disclosed is a method performed by a terminal in a wireless communication system, including receiving, from a base station, at least one parameter for a search space, monitoring, on the search space, downlink control information (DCI) related with power saving, the search space being identified based on the at least one parameter, and the DCI including a wake up signal indicating whether to monitor a physical downlink control channel (PDCCH) and a bandwidth part (BWP) indication related with the wake up signal, and performing a PDCCH monitoring based on the wake up signal and the BWP indication included in the DCI.

Abstract: Provided herein may be a semiconductor memory device and a method of manufacturing the semiconductor memory device. The semiconductor memory device may include a stacked body including a plurality of interlayer insulating layers and a plurality of gate electrodes that are alternately stacked on a substrate, and a plurality of channel structures configured to vertically pass through the stacked body. Each of the plurality of channel structures may include a core insulating layer, a first channel layer, a second channel layer, a tunnel insulating layer, and a charge storage layer that extend vertically towards the substrate. Electron mobility of the first channel layer may be higher than electron mobility of the second channel layer.

Abstract: The present disclosure relates to a refrigerator and a transparent panel assembly for a refrigerator. The transparent panel assembly for a refrigerator comprises: a front panel defining at least a part of a front appearance of a refrigerator door and made of a glass material; a rear panel defining at least a part of a rear appearance of the refrigerator door and made of a transparent material; and an intermediate member connected between the front panel and the rear panel and made of a transparent plastic member, wherein the intermediate member comprises: an edge portion having both ends connected to a screening area formed at peripheries of the front panel and the rear panel; and a partition portion formed to cross an inner surface of the edge portion to partition a gap between the front panel and the rear panel to thereby form a sealed insulation layer.

Abstract: An integrated beamforming method using intelligent reflecting surface (IRS) element allocation and a system thereof are disclosed. The integrated beamforming method includes allocating passive elements of an intelligent reflecting surface (IRS) to each of receivers, setting phase shifts of the IRS where the passive elements are allocated to each of the receivers, and performing transmit beamforming using the set phase shifts of the IRS.

Abstract: There is included a method and apparatus comprising computer code configured to cause a processor or processors to perform obtaining a video bitstream, coding the video bitstream at least partly by a neural network, determining topology information and parameters of the neural network, signaling the determined topology information and the parameters of the neural network in a plurality of syntax elements associated with the coded video bitstream.

Abstract: A self-aligning camera lens assembly, in which a plurality of lenses is assembled in a lens barrel, includes a front lens having a coupling portion formed outside an effective diameter on a rear surface thereof, and a rear lens positioned behind the front lens, having a coupling groove formed outside an effective diameter on a front surface thereof to be coupled to the coupling portion, and combined with the front lens with optical axes aligned, in which a radius (R) of curvature of the coupling portion of the front lens and an angle (V) of an apex of the coupling groove of the rear lens satisfy R>0.05 mm and 60°<V<120°.

Abstract: A cathode active material for a lithium secondary battery is provided. According to embodiments of the present invention, the cathode active material includes a lithium-transition metal composite oxide particle including a plurality of primary particles. The lithium-transition metal composite oxide particle has a lithium-boron-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by removing residual lithium.

Abstract: Systems and methods are disclosed for evaluating a patient with vascular disease. One method includes receiving patient-specific data regarding a geometry of the patient's vasculature; creating an anatomic model representing at least a portion of a location of disease in the patient's vasculature based on the received patient-specific data; identifying one or more changes in geometry of the anatomic model based on a modeled progression or regression of disease at the location; calculating one or more values of a blood flow characteristic within the patient's vasculature using a computational model based on the identified one or more changes in geometry of the anatomic model; and generating an electronic graphical display of a relationship between the one or more values of the calculated blood flow characteristic and the identified one or more changes in geometry of the anatomic model.

Abstract: The present invention relates to a novel crystal form of a 3-(4-(benzyloxy)phenyl)hex-4-inoic acid derivative, a preparation method therefore and a pharmaceutical composition comprising same. A crystal form I of a compound of chemical formula 1, according to the present invention, exhibits more excellent physicochemical properties such as thermal stability, static electricity-inducing capability, compressibility, etc. compared to an amorphous form or a crystal form II, and thus is especially useful for preparation and long-term storage.

Abstract: The present invention relates to a lactone moiety-bearing isooxazoline derivative, which is a prodrug of a caspase inhibitor, and a pharmaceutical composition comprising same.

Abstract: A display apparatus and a control method thereof are provided. The display apparatus includes: a display, a driver configured to rotate the display between a horizontal arrangement state in which a width of the display is greater than a height of the display, and a vertical arrangement state in which the height of the display is greater than the width of the display; and a processor configured to execute instructions to: identify an object included in an image, identify whether the image is an image of a horizontal type or an image of a vertical type based on the identified object, and based on an arrangement state of the display and the identified type of the image, control the driver to rotate the display.

Abstract: A query response method includes: dividing image frames, audio data and caption data included in video data of a data set on a per-shot basis based on the same single caption; extracting a shot feature vector by calculating the feature vectors of image frames, audio data and caption data included in each shot; extracting feature vectors of query data and a plurality of pieces of option data corresponding to the query data from each query-response pair included in the data set; calculating a video feature vector by inputting the shot feature vectors into a multilayer neural network, assigning an attention weight, calculated based on the feature vector of the query data, to output vectors of respective layers, and then summing the weighted output vectors; and selecting a final response from among the plurality of pieces of option data based on similarities between the video feature vector and option feature vectors.

Abstract: A camera module includes a lens assembly comprising a plurality of solid lenses, an image sensor disposed on an optical axis of the plurality of solid lenses, a liquid lens disposed on the optical axis, the liquid lens being disposed on the image sensor, and a controller configured to move the image sensor in a direction perpendicular to the optical axis.

Abstract: A display device includes: a plurality of pixels connected to scan lines, emission control lines, data lines, and a power line; a scan driver configured to supply a scan signal to the scan lines; and an emission driver configured to supply an emission control signal to the emission control lines, wherein a voltage of a first power supplied to the power line during an inspection period has a pulse form alternating between a first level and a second level that is lower than the first level, and the display device is configured to maintain the voltage of the first power at a third level.

Abstract: A speech recognition method includes receiving a first multi-channel audio signal; obtaining at least one of a speech signal characteristic or a noise signal characteristic for at least one frequency band of frequency bands corresponding to channel audio signals included in the first multi-channel audio signal; generating a signal with an enhanced speech component by performing beamforming on the first multi-channel audio signal based on the speech signal characteristic, a speech signal characteristic obtained for a previous frame that was obtained before a certain time that the first multi-channel audio signal was obtained, and the noise signal characteristic; determining whether the enhanced speech component includes a wake word; and based on determining that the enhanced speech component includes the wake word: activating a speech recognition operation based on the signal with the enhanced speech component.