Abstract: A vacuum battery structural assembly and a vacuum multi-cell battery module composed thereof are provided and include a first repeating unit including a first frame plate and a second frame plate with respect to the first frame plate; and an electrolyte channel defined within the first frame plate and the second frame plate to accommodate a liquid electrolyte, wherein both a surface of the first frame plate and a surface of the second frame plate include a vacuum suction area, the vacuum suction area includes a vacuum aperture and a vacuum channel, wherein the vacuum aperture is formed on at least one surface of the first frame plate and the second frame plate, the vacuum channel is positioned inside the first frame plate and the second frame plate, and is configured to generate a longitudinal pressing suction force and seal the first frame plate and the second frame plate.

Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3: wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.

Abstract: Provided is an organic light emitting device comprising: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an organic material layer provided between the cathode and the light emitting layer, wherein the light emitting layer comprises a compound of Chemical Formula 1, and the organic material layer provided between the cathode and the light emitting layer contains a compound of Chemical Formula 2.

Abstract: The present invention relates to a coral composite extract, a composition including the same and a method of producing the same. The coral composite extract includes at least two briarane-type diterpenoid compounds from corals of Briareum violaceum, B. excavatum and B. stechei, thereby being applied as an effective ingredient of a skin external use composition, a cosmetic composition and a medicinal composition.

Abstract: A semiconductor device is provided. The semiconductor device includes a first stacked structure including a plurality of first insulating patterns and a plurality of first semiconductor patterns alternately stacked on a substrate, the first stacked structure extending in a first direction parallel to an upper surface of the substrate, a first conductive pattern on one side surface of the first stacked structure, the first conductive pattern extending in a second direction crossing the upper surface of the substrate, and a first ferroelectric layer between the first stacked structure and the first conductive pattern, the first ferroelectric layer extending in the second direction, wherein each of the first semiconductor patterns includes a first impurity region, a first channel region and a second impurity region which are sequentially arranged along the first direction.

Abstract: The present disclosure provides a method for treating liver cirrhosis by using a composition including mesenchymal stem cells, extracellular vesicles produced by the mesenchymal stem cells, and growth factors. The composition of the present disclosure achieves the effect of treating liver cirrhosis through various efficacy experiments.

Abstract: A memory device and an electronic device is provided. The memory device may include a memory module including a module board and a memory connector located on one side of the module board, a first enclosure placed above the memory module and a second enclosure placed below the memory module, wherein the first enclosure includes a first main cover which covers upper faces of the module board and the memory connector, at least one clamping hole which penetrates the main cover at a position overlapping the memory connector, an inter-device fastening pillar protruding downward from a lower face of the first main cover, and a coupling hole which is located inside the inter-device fastening pillar on a plane and penetrates the inter-device fastening pillar and the main cover.

Abstract: In one example, a system comprises a vector-by-matrix multiplication array comprising non-volatile memory cells organized into rows and columns; a plurality of word lines coupled respectively to rows of the vector-by-matrix multiplication array; and a word line driver coupled to the plurality of word lines, the word line driver comprising a plurality of select transistors coupled to a common control line and the plurality of word lines, and a plurality of bias transistors coupled to the plurality of select transistors and capable of providing a bias voltage to a single select transistor in the plurality of select transistors or to all of plurality of select transistors in response to control signals.

Abstract: In one example, a neural network device comprises a first plurality of synapses configured to receive a first plurality of inputs and to generate therefrom a first plurality of outputs, wherein the first plurality of synapses comprises a plurality of memory cells, each of the plurality of memory cells configured to store a weight value corresponding to a number of electrons on its floating gate and the plurality of memory cells are configured to generate the first plurality of outputs based upon the first plurality of inputs and the stored weight values.

Abstract: An electronic device may have a display with touch sensors. One or more shielding layers may be interposed between the display and the touch sensors. The shielding layers may include shielding structures such as a conductive mesh structure and/or a transparent conductive film. The shielding structures may be actively driven or passively biased. In the active driving scheme, one or more inverting circuits may receive a noise signal from a cathode layer in the display and/or from the shielding structures, invert the received noise signal, and drive the inverted noise signal back onto the shielding structures to prevent any noise from the display from negatively impacting the performance of the touch sensors. In the passive biasing scheme, the shielding structures may be biased to a power supply voltage.

Abstract: An extension kit includes a case, a locking lever, and a first elastic member. The case has an interior space which extends in a first direction. The locking lever includes a lever portion which is rotatable about a first rotation axis extending in a second direction intersecting the first direction, a plate portion which extends from the lever portion and which is exposed at the case, an arm portion which extends in the second direction from the plate portion, and a first locking portion which protrudes from the arm portion. The first elastic member is provided in the interior space of the case and elastically connects the case and the locking lever in the interior space of the case.

Abstract: A memory device and an electronic device is provided. The memory device may include a memory module including a module board and a memory connector located on one side of the module board, a first enclosure placed above the memory module and a second enclosure placed below the memory module, wherein the first enclosure includes a first main cover which covers upper faces of the module board and the memory connector, at least one clamping hole which penetrates the main cover at a position overlapping the memory connector, an inter-device fastening pillar protruding downward from a lower face of the first main cover, and a coupling hole which is located inside the inter-device fastening pillar on a plane and penetrates the inter-device fastening pillar and the main cover.

Abstract: A light emitting display device includes a display panel configured to display an image, a data driver configured to supply a data voltage to data lines of the display panel, and a sensing circuit configured to obtain a sensing voltage through sensing lines of the display panel after reflecting a negative impedance value canceling impedance differences of the sensing lines.

Abstract: A method of fixing a permanent magnet in a rotor core includes: forming a magnet accommodation portion into which a permanent magnet is to be inserted and an internal hole defined in an area adjacent to one end of the magnet accommodation portion; inserting the permanent magnet into the magnet accommodation portion; performing a caulking process by inserting a bar into the internal hole; and pressing a pressing portion toward the permanent magnet using the bar.

Abstract: One embodiment of the present invention provides an intersection point pattern recognition system using sensor data of a mobile robot, comprising: a mobile robot that autonomously drives by using sensor data received from a sensor unit and an intersection point pattern recognition model provided by a management server; and the management server that receives usage environment information of the mobile robot and generates the intersection point pattern recognition model of the mobile robot to provide the intersection pattern recognition model to the mobile robot, wherein the management server comprises: a map generation unit for receiving the usage environment information of the mobile robot and generating a route map of the mobile robot on the basis of the usage environment information; a normalization unit for generating a virtual map by normalizing the route map according to a preset rule; and a learning unit for generating the intersection point pattern recognition model by using the virtual map and the se

Abstract: A structure for fixing a permanent magnet in a rotor core. The structure includes a magnet accommodation portion into which a permanent magnet is to be inserted, an internal hole formed in an area adjacent to one end of the magnet accommodation portion, a pressing portion provided between the magnet accommodation portion and the internal hole. The pressing portion forms a convex shape toward the permanent magnet to be in contact with the permanent magnet.