Abstract: In a method of generating a secret key according to an embodiment, a share of each of a user and a plurality of other users for a secret key of the user are generated, the share of each of the plurality of other users is provided to a user terminal of each of the plurality of other users, a share of the user for a secret key of each of the plurality of other users is received from the user terminal of each of the plurality of other users, and a new secret key of the user is generated using the share of the user for the secret key of the user and the shares of the user for the secret key of each of the plurality of other users.

Abstract: Provided is a watchdog system including: a software area including a bootloader area and an application area, and a shared memory area storing the last watchdog refresh timing; and an external watchdog module refreshing a watchdog when a transmitted refresh request timing corresponds to window open time in response to a refresh request transmitted from either the bootloader area or the application area and based on the last watchdog refresh timing transmitted from the shared memory area and the transmitted refresh request timing.

Abstract: An apparatus for automatically opening and closing a trunk lid includes a drum member connected to a first cable and rotatably coupled to a drum bracket fastened to a hinge arm, a power latch cinching actuator including an output gear configured to be rotated by a motor embedded in a housing, and an elastic spring having a first end coupled to the drum member and a second end configured to be coupled to the trunk lid, wherein the first cable is coupled to the output gear and is configured to rotate the drum member in a first direction when the output gear is rotated.

Abstract: An electronic device includes a semiconductor memory including material layers each including one or more low-resistance areas and one or more high-resistance areas, insulating layers stacked alternately with the material layers and including protrusions extending more than the material layers, conductive pillars passing through the insulating layers and the low-resistance areas, conductive layers located between the protrusions, and variable resistance layers interposed between the low-resistance areas and the conductive layers.

Abstract: Disclosed is a method of integrally optimizing different types of parameters that require setting during a machine learning process. The disclosed method of integrally optimizing the parameters includes performing training on a machine learning model by selecting sensor parameters and machine learning model hyperparameters until a predetermined termination condition is satisfied; and determining, among the selected sensor parameters and machine learning model hyperparameters, an optimized sensor parameter and optimized machine learning model hyperparameter that minimize a loss value for the machine learning model, wherein the performing of the training on the machine learning model includes selecting the sensor parameters and machine learning model hyperparameters that satisfy a predetermined optimization range, and performing training on the machine learning model based on sensor data provided from a sensor by the selected sensor parameters and the machine learning model hyperparameters.

Abstract: A display device includes a display panel folded with respect to an imaginary folding axis extending in a first direction, an anti-reflective layer disposed on the display panel, a window disposed on the anti-reflective layer, and a first adhesive layer disposed between the anti-reflective layer and the window. The first adhesive layer includes an adhesive having a change rate in a storage modulus of about 0.3 or less at a temperature of about 150 degrees Celsius (° C.) to about 200° C. with respect to the storage modulus at a temperature of about 60° C.

Abstract: A light-emitting device according to one embodiment of the present invention comprises: a substrate; a plurality of light-emitting diode chips positioned on the substrate; a plurality of light-transmitting layers positioned on the top surfaces of the plurality of light-emitting diode chips; a sidewall portion surrounding the plurality of light-emitting diode chips and the plurality of light-transmitting layers; and a first groove positioned on the top surface of at least a portion of the sidewall portion positioned between the light-transmitting layers, wherein the first groove has a width smaller than a shortest width from an adjacent light-transmitting layer to the first groove and has a depth smaller than the thickness of the closest light-transmitting layer.

Abstract: It is disclosed a blood glucose prediction system and method using saliva-based artificial intelligence deep learning technique.

Abstract: A display device includes: a substrate comprising an upper surface, a bottom surface facing the upper surface, and a through hole penetrating the upper surface and the bottom surface; and a light emitting element layer on the upper surface of the substrate, wherein the substrate comprises a side surface that meets the upper surface in the through hole, a first surface that meets the bottom surface, a second surface that meets the side surface, and a third surface between the first surface and the second surface, and wherein the first surface and the second surface are spaced apart from each other with the third surface therebetween, and are inclined surfaces.

Abstract: A method for controlling a vehicle includes: determining an accelerator position sensor/brake pedal position sensor (APS/BPS) command value based on a state variable and a reward variable including a prediction value for a future velocity of the vehicle predicted based on a past APS/BPS command value of the vehicle; and learning for a reward value according to the reward variable to satisfy a predetermined goal based on a change that the determined APS/BPS command value causes to at least one state variable under given environment information.

Abstract: The present invention relates to a novel-structured nucleic acid complex having a blood-brain barrier penetration ability and a composition comprising same and, more specifically, to a nucleic acid complex in which a bioactive nucleic acid is complementarily bound to a carrier peptide nucleic acid modified to be generally positively charged, and to a composition for blood-brain barrier penetration comprising same. The nucleic acid complex according to the present invention can penetrate the blood-brain barrier at excellent efficiency, and especially, the conjugation of a drug into the nucleic acid complex increases the blood-brain barrier penetration ability of the drug, and thus is very useful in treatment or diagnosis of diseases.

Abstract: An embodiment joint structure includes a first connection link configured to be fixed to one side of a wearer, a second connection link coupled to the first connection link to be rotatable about a first rotation axis, a third connection link coupled to the first connection link to be rotatable about a second rotation axis spaced apart from the first rotation axis, and a fourth connection link, a first side of which is coupled to the second connection link to be rotatable about a third rotation axis and a second side of which is coupled to the third connection link to be rotatable about a fourth rotation axis spaced apart from the third rotation axis, wherein an imaginary first extension axis, an imaginary second extension axis, an imaginary third extension axis, and an imaginary fourth extension axis intersect each other in an intersection area.

Abstract: A light-emitting device and a display device using the same are disclosed. The light-emitting device improves the reliability of a process of disposing light-emitting devices. The light-emitting device is configured to ensure electrical connections even if the light-emitting device is inverted while being disposed on a substrate. The light-emitting device includes an n-type semiconductor layer and a p-type semiconductor layer. N-type electrodes and p-type electrodes are disposed on both sides of top and bottom surfaces of the light-emitting device. Contact holes are provided to electrically connect one of the n-type electrodes to the n-type semiconductor layer and one of the p-type electrodes to the p-type semiconductor layer. When the light-emitting device is inverted while being disposed on a substrate, the light-emitting device operates ordinarily, thereby reducing the defect rate of a display device.

Abstract: An example image forming apparatus includes a frame, a first shaft supported by the frame, and a first coupler. The first coupler includes a body coupled to one end of the first shaft and a first protrusion protruding from the body in an axial direction of the first shaft, the first protrusion having a first surface and a second protrusion protruding from the first surface. The second protrusion is to lock with a groove to mount a cartridge on the frame, the first shaft is to provide a rotational force in a first rotational direction to rotate the second protrusion of the first coupler and to insert the second protrusion into the groove to lock with the cartridge, and the first surface of the first protrusion of the first coupler is to contact a second surface to transmit the rotational force to the second coupler in the first rotational direction.

Abstract: An electrolyte for a lithium secondary battery is disclosed herein. In some embodiments, an electrolyte includes a lithium salt present in a concentration of 1.6 M to 5 M, an oligomer mixture including a first oligomer containing a unit represented by Formula 1 and a second oligomer containing a unit represented by Formula 2, and an organic solvent.

Abstract: A negative electrode includes a lithium-alkaline earth metal alloy, and can be used in a lithium-sulfur battery. Furthermore, a method to obtain said negative electrode, and a lithium-sulfur battery containing the negative electrode.

Abstract: A cylindrical secondary battery, a battery pack, and a vehicle are provided. The cylindrical secondary battery includes an electrode assembly having a first electrode tab at a first end of the electrode assembly a battery can configured to accommodate the electrode assembly through an opening portion formed at one side of the battery can, a current collecting plate including three or more tab coupling portions electrically connected to the first electrode tab, and a can coupling portion extending from ends of the tab coupling portions toward the opening portion of the battery can and having a continuous outer peripheral surface electrically connected to an inner surface of the battery can, and a top cap configured to cover the opening portion of the battery can.

Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.

Abstract: Disclosed herein are a reasoning method based on a structural attention mechanism for knowledge-based question answering and a computing apparatus for performing the reasoning method. The reasoning method includes: recognizing one or more entities in a query including content and a question, and linking the recognized entities to a knowledge base; constructing a question hypergraph and a query-aware knowledge hypergraph by performing a multi-hop graph walk on a question graph and the knowledge base; and inferring a correct answer to the question by applying as attention mechanism to a query hyperedge and a knowledge hyperedge included in the question hypergraph and the query-aware knowledge hypergraph, respectively.

Abstract: A negative electrode includes a lithium-lanthanum alloy. The negative electrode can be applied to a negative electrode for a lithium-sulfur battery. The lithium-sulfur battery including the alloy negative electrode has improved life characteristics and improved electrochemical efficiency.