Abstract: The present disclosure relates to a multi-chip clock synchronization device and a method capable of reducing an operating frequency and power consumption when a plurality of chips share clocks for multi-chip clock synchronization, which may include a reference clock supply unit connected to a plurality of chips and supplying a reference clock of a first frequency to each chip and a target clock generation unit generating a target clock of a second frequency based on the reference clock of the first frequency, wherein the reference clock supply unit may generate the reference clock of the first frequency which is N times lower than the second frequency of the target clock to supply the generated reference clock to each chip, and the target clock generation unit may multiply the first frequency of the reference clock by N times when the reference clock of the first frequency is input to generate the target clock of the second frequency.

Abstract: A method for enhancing optical properties of sintered, zirconia ceramic bodies and zirconia ceramic dental restorations is provided. The porous or pre-sintered stage of a ceramic body is treated with two different yttrium-containing compositions and sintered, resulting in sintered ceramic bodies having enhanced optical properties. The enhanced optical properties may be substantially permanent, remaining for the useful life of the sintered ceramic body.

Abstract: A coil component includes: a body having a first surface and a second surface opposing each other; a support member disposed in the body, and having one surface and the other surface opposing each other; a coil including first and second coil portions disposed on the one surface and the other surface of the support member and having at least one turn, respectively, and a via connecting the first and second coil portions; and first and second external electrodes respectively disposed on the first and second surfaces of the body and connected to the coil, wherein the via includes an upper surface in contact with the first coil portion and a lower surface in contact with the second coil portion, and a ratio VDU/VDL of a diameter VDU of the upper surface to a diameter VDL of the lower surface is 1.06 or more and 1.64 or less.

Abstract: The present disclosure relates to an upper module mounting unit for a vehicle that allows an upper module to be mounted on a frame by lever operation. The upper module mounting unit according to the present disclosure includes a base mounted on a frame of a vehicle, and a main rod rotatably installed on the base, the main rod having a head configured to pass through a mounting bracket mounted on an upper module of the vehicle, the main rod configured to be fixed to the mounting bracket by being caught thereon according to rotation of the main rod.

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode and facing the first electrode, a first insulating layer disposed to at least partially cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer, and a light-emitting element disposed on the second insulating layer between the first electrode and the second electrode, wherein at least a part of a lower surface of the light-emitting element is chemically bonded to the second insulating layer.

Abstract: Proposed is a vagus nerve stimulator having at least two electrodes that are configured to be worn on at least one of the left and right ears and are configured to generate electrical stimulation on the vagus nerve in the auricle. The vagus nerve stimulator may include: a body part configured to be located on a side of a wearer's ear; a first electrode configured to be inserted into and make contact with the external acoustic meatus of the wearer's ear; a second electrode configured to make contact with the cymba concha of the wearer's ear; a first electrode fixing part protruding from the body part and having a first electrode at an end thereof; and a second electrode fixing part protruding from the body part and having a second electrode at an end thereof.

Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.

Abstract: The present disclosure relates to a Prussian blue-based coagulant and a microplastic coagulation method using the same, which may effectively coagulate microplastics having a size of less than 20 ?m or nanoplastics and implement an environmentally harmless coagulation process, and the Prussian blue-based coagulant according to the present disclosure refers to Prussian blue being used as a coagulant for microplastics present in a water-system environment.

Abstract: A solid oxide cell includes a fuel electrode, an air electrode, and an electrolyte disposed between the fuel electrode and the air electrode. The fuel electrode may include a porous metal body having pores and a barrier portion disposed in the pores of the porous metal body, and the barrier portion has a shape of at least one of a sheet shape and a flake shape.

Abstract: A full-flat rear seat is a collapsible full-flat rear seat including a seatback board mounted on a rear surface of a backrest of the rear seat of a vehicle and providing a flat support surface together with a luggage board of the vehicle in being selectively unfolded, when the rear seat rotates, and the seatback board includes: a center seatback board mounted on a rear surface of the rear seat of the vehicle; an upper seatback board provided at an upper side of the center seatback board and configured to move relative to the center seatback board; and a lower seatback board provided at a lower side of the center seatback board and hinged thereto and configured to hingedly rotate toward one surface of the center seatback board.

Abstract: An operating room allocation apparatus may be provided. The apparatus according to an embodiment of the present disclosure may include: an information obtaining unit configured to obtain information about patient's entry and exit times in each operating room; a first calculation unit configured to calculate a utilization rate of the operating room for each certain time period based on the patient's entry and exit times; and a second calculation unit configured to receive certain time information from a user and calculate an average utilization rate by time period in the received time information.

Abstract: A neural network device for learning dependency of feature data includes: a memory in which at least one program is stored; and a processor that performs a calculation by executing the at least one program, in which the processor is configured to acquire graph information including a data node for a human body; extract feature data corresponding to a plurality of joints constituting the human body from the graph information; acquire a self-attention output corresponding to the feature data based on a self-attention mechanism; and generate result data for a motion of the human body based on the self-attention output, and the self-attention output includes position information acquired based on positional encoding of the feature data and structural information acquired based on geodesic encoding of the feature data.

Abstract: The present disclosure may provide a method for operating a terminal in a wireless communication system. Here, the method for operating a terminal may comprise the steps of: determining a first polar code through artificial intelligence; transmitting, to a base station, data encoded with the first polar code and an information sub-channel index set for the first polar code; receiving reward information based on data decoding from the base station; determining a second polar code by performing learning through artificial intelligence on the basis of the reward information; and transmitting, to the base station, data encoded with the determined second polar code and an information sub-channel index set for the second polar code.

Abstract: The present invention relates to a quantum federated learning system that performs federated learning on the basis of at least one observation value input from a single-hop offloading environment, and the system includes: a global server for initializing parameters of a quantum slimmable neural network (QSNN) model and transmitting the initialized quantum slimmable neural network model to at least one local device; and the at least one local device for inputting the at least one observation value into the initialized quantum slimmable neural network model to train the quantum slimmable neural network model, and transmitting the parameters of the trained quantum slimmable neural network model to the global server side. Through the system, the environmental epidemiology problems of the federated learning performed in conventional computing, such as communication channel conditions and energy limitations over time can be solved.

Abstract: An image encoding/decoding method is provided. An image decoding method of the present invention may comprise deriving an intra-prediction mode of a current luma block, deriving an intra-prediction mode of a current chroma block based on the intra-prediction mode of the current luma block, generating a prediction block of the current chroma block based on the intra-prediction mode of the current chroma block, and the deriving of an intra-prediction mode of a current chroma block may comprise determining whether or not CCLM (Cross-Component Linear Mode) can be performed for the current chroma block.

Abstract: Proposed is an apparatus for measuring sealing strength. The apparatus includes a fixed plate, a moving plate on which a measurement object formed by bonding first and second specimens is mounted, and movably disposed on the fixed plate, and a load applier measuring a load applied to the first specimen to peel off the first specimen from the second specimen. The first specimen is peeled off from the second specimen while maintaining a predetermined peeling angle.

Abstract: A display device includes a pixel electrode, a pixel defining layer disposed on the pixel electrode and forming an opening which exposes a portion of the pixel electrode, an auxiliary electrode disposed on the pixel defining layer and the pixel electrode, an intermediate layer disposed on the pixel defining layer and the auxiliary electrode and a common electrode disposed on the intermediate layer. The pixel defining layer includes a recessed portion recessed into the pixel defining layer, the auxiliary electrode includes a first undercut forming portion disposed on the recessed portion and contacting the portion of the pixel electrode, and the intermediate layer includes a hole injection layer, a light-emitting layer and an electron injection layer stacked sequentially. The hole injection layer includes a first portion disposed on the first undercut forming portion and a second portion separated from the first portion and disposed on the recessed portion.

Abstract: The present disclosure relates to the use of LRRC4 family mimic molecules to determine the expression level of FAM19A5 protein in a subject. In some aspects, such mimic molecules can be used to identify and/or diagnose a subject suffering from or at risk of developing a disease or disorder associated with increased FAM19A5 protein expression. The present disclosure also provides methods of treating subjects identified and/or diagnosed using the methods provided herein.

Abstract: Disclosed herein is a method of manufacturing an auxetic stretchable substrate with a flexible joint structure according to various embodiments of the present invention. The method includes preparing a substrate made of an elastic material, and forming an auxetic to form a plurality of first regions on the substrate, each of the plurality of first regions is a region in which a material constituting the auxetic is not printed, and at least some of the plurality of first regions have different lengths.

Abstract: The present technology relates to an electronic device. A memory device including a plurality of memory cells connected to a plurality of word lines arranged between a plurality of source select lines and a plurality of drain select lines, a peripheral circuit configured to perform a program operation of programming data in selected memory cells among the plurality of memory cells, and a program operation controller configured to control the peripheral circuit to apply a voltage, for turning on or off source select transistors connected to the plurality of source select lines, to the plurality of source select lines, while applying a pass voltage to the plurality of word lines after applying a program voltage to selected word lines connected to the selected memory cells.