Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material which includes a lithium-rich lithium manganese-based oxide containing at least lithium, nickel, manganese and molybdenum, wherein the lithium manganese-based oxide includes at least one primary particle and a molybdenum-containing flux is used to improve the crystal growth of the primary particle, resulting in mitigation and/or prevention of a decrease in stability caused by lithium and manganese present in excessive amounts in the lithium manganese-based oxide, and a lithium secondary battery including the same.

Abstract: An image sensor includes a pixel configured to generate a pixel signal, using an analog signal processing voltage, a ramp signal generator configured to generate a ramp signal, using the analog signal processing voltage, a bias voltage generator configured to generate a bias voltage, using the analog signal processing voltage, and a noise compensator configured to generate a noise component, using a digital signal processing voltage and the analog signal processing voltage, and add the generated noise component to the generated bias voltage. The image sensor further includes a conversion circuit configured to generate a reference voltage, based on the generated ramp signal and the bias voltage to which the noise component is added, and generate an image signal by performing analog-to-digital conversion on the generated pixel signal, based on the generated reference voltage.

Abstract: The present disclosure relates to a method for producing extracellular vesicles from three-dimensionally cultured stem cells. The method of the present disclosure can produce stem cell-derived extracellular vesicles with a high yield through orbital shaking culture of stem cell aggregates in the presence of TGF-? and thus can be usefully used in an industrial-scale mass production process of exosomes that can be utilized as a pharmaceutical ingredient substituting for a cell therapeutic agent. Furthermore, the exosomes obtained by the method of the present disclosure have significantly improved immunoregulatory functions as compared to the exosomes produced by the existing method and, therefore, can be applied as a superior therapeutic composition for various inflammations or autoimmune diseases.

Abstract: The battery rack includes: a plurality of battery modules; a rack case configured to store the plurality of battery modules; a control unit configured to control charging and discharging of the plurality of battery modules; a data storage unit including a cable configured to transmit data from the control unit and a data recording unit configured to store the data; and a storage unit including an accommodating case having an inside space for accommodating the data recording unit, a plurality of ventilation holes formed by opening a portion of the accommodating case so that the inside space and the outside are communicated with each other, and a cover portion that has a plate shape, is spaced apart from the plurality of ventilation holes by a predetermined interval, and is configured to cover the plurality of ventilation holes.

Abstract: A display device includes a first substrate, a display structure, a sensing structure, a sensing signal transmission film, and an image signal transmission film. The first substrate includes a display region and a non-display region at least partially surrounding the display region. The non-display region includes a first portion and a second portion facing the first portion. The display structure is disposed in the display region. The sensing structure is disposed on the display structure. The sensing signal transmission film is electrically connected to the sensing structure. The image signal transmission film is electrically connected to the display structure. The sensing signal transmission film is disposed in the first portion of the non-display region. The image signal transmission film is disposed in the second portion of the non-display region.

Abstract: A separator unit for a fuel cell includes a separator including a reaction region, a plurality of manifolds formed on each side of the reaction region, and a reaction surface and a cooling surface formed on each surface thereof, a reaction surface internal gasket forming a reaction surface internal airtight line, and a reaction surface external gasket forming a reaction surface external airtight line, wherein at least one cut portion formed by removing the reaction surface external gasket is formed in the reaction surface external airtight line surrounding at least one of the plurality of manifolds.

Abstract: The present application discloses a composition for use in diagnosing cancer, the composition comprising: an antibody or antigen-binding fragment thereof that specifically binds to a BAG2 polypeptide or fragment thereof.

Abstract: A pouch-type secondary battery includes: an electrode assembly in which a positive electrode, a separator, and a negative electrode are laminated; and a pouch configured to accommodate the electrode assembly, wherein the pouch includes: a surface protection layer made of a first polymer and formed at an outermost layer; a sealant layer made of a second polymer and formed at an innermost layer; a gas barrier layer made of a first metal and laminated between the surface protection layer and the sealant layer; and a metal foil layer made of a second metal, laminated between the surface protection layer and the sealant layer, and connected to the negative electrode of the electrode assembly.

Abstract: The present disclosure relates to a positive electrode for a lithium secondary battery and a lithium secondary battery including the same, wherein the positive electrode for a lithium secondary battery sequentially includes a first coating layer and a second coating layer on a current collector, and by introducing a patterned layer in a form in which the conductive material is dispersed in the binder between the first coating layer and the second coating layer at a specific area ratio, the safety of the battery is improved, and therefore, when a metal body penetrates the electrode from the outside, not only heat generation due to an overcurrent, ignition, and the like may not occur, but also the adhesive force between layers constituting the positive electrode may be improved, so that the life characteristics of the batteries may be improved.

Abstract: Disclosed herein is a pharmaceutical composition comprising tetraarsenic hexoxide as an active ingredient. Having excellent antiviral activity against coronaviruses, the pharmaceutical composition can be advantageously applied to the prevention or treatment of coronavirus diseases.

Abstract: A display device includes a display panel. A metal plate is disposed on a bottom surface of the display panel and includes a first surface facing the bottom surface of the display panel and a second surface opposite to the one surface. A fingerprint sensor overlaps the second surface of the metal plate. The metal plate includes a recess that is recessed in a direction from the second surface of the metal plate toward the first surface.

Abstract: Systems and methods are described including a page buffer to reduce a threshold voltage distribution skew of memory cells and improve programming performance. The page buffer includes a first circuit element connected to a first terminal for supplying a first bitline voltage, a second circuit element connected to a second terminal for supplying a second bitline voltage, and a latch configured to control the first and second circuit elements.

Abstract: Disclosed are a multilayered cell sheet of cardiac stem cells (CSCs) and a method of manufacturing the same. In particular, the present disclosure provides a method of manufacturing a multilayered cell sheet according to a single step culture procedure by using, as a three-dimensional matrix, a biodegradable natural polymer hydrogel and embedding CSCs in the hydrogel. The multilayered cell sheet of the present disclosure does not require any special device for the manufacturing, is manageable with good physicomechanical property, increases a cell engraftment rate after transplantation based on sufficient accumulation of various growth and protective factors and extracellular matrix between cells, and is also self-assembled by the cell-mediated hydrogel compaction, making nutrients transfer easy. Therefore, the multilayered cell sheet of the CSCs is expected to be usefully applicable as a therapeutic agent for myocardium regeneration.

Abstract: An image sensing system includes a pixel array, an analog-to-digital converter circuit, and an average calculator. The analog-to-digital converter circuit converts a first pixel signal to first pixel data and converts a second pixel signal to second pixel data. The average calculator generates a first average bit based on a first bit of the first pixel data and a first bit of the second pixel data during a first time and generates a second average bit based on a second bit of the first pixel data and a second bit of the second pixel data during a second time.

Abstract: The present invention relates to a method for producing a magnetic powder, including: preparing a precursor solution containing an iron precursor and a silica precursor; spraying the precursor solution to form iron/silica precursor droplets; drying the iron/silica precursor droplets to produce iron/silica precursor particles; and heat treating the iron/silica precursor particles to produce an iron oxide/silica composite powder in which iron oxide particles are embedded in a silica matrix. The present invention also relates to a magnetic powder produced by the method. The present invention may provide an iron oxide magnetic powder that does not use rare earth elements and a method for producing the same.

Abstract: A battery module improves safety by blocking current when the temperature rises, a battery pack includes the battery module, and a vehicle includes the battery pack. The battery module includes two or more battery cells, an electrode assembly having both ends respectively connected to one ends of electrode leads of opposite polarities in a pouch case together with an electrolyte and other ends of the electrode leads are exposed to an outside of the pouch case, wherein the electrode leads and a bus bar connecting a first battery cell and a second battery cell, wherein the bus bar comprises a metal layer and a material layer that is normally conductive but may act as a resistor when a temperature rises, and wherein the material layer comprises a gas generating material that is decomposed at a certain temperature or higher to generate a gas and increase resistance.

Abstract: The present technology relates to a positive electrode for a lithium secondary battery, and the positive electrode includes: a first positive electrode mixture layer contacting a positive electrode current collector; and at least one second positive electrode mixture layer arranged on the first positive electrode mixture layer. Herein, the first positive electrode mixture layer includes a first positive electrode active material and a first binder, and the second positive electrode mixture layer includes a second positive electrode active material and a second binder. Further, an average particle diameter (D50) the first positive electrode active material is smaller than an average particle diameter (D50) of the second positive electrode active material and is equal to or less than 3 ?m, and a specific surface area (BET) of the first positive electrode active material is equal to or greater than 3 m2/g.

Abstract: A nonvolatile memory device includes a peripheral circuit region and a memory cell region vertically connected with the peripheral circuit region, the peripheral circuit region including at least one first metal pad, and the memory cell region including at least one second metal pad directly connected with the at least one first metal pad. A method of programming the nonvolatile memory device includes: receiving a programming command, data for a plurality of pages, and an address corresponding to a selected word-line; programming the data for one of the pages to an unselected word-line; reading data of a previously programmed page from the selected word-line; and programming the data for the remaining pages and the data of the previously programmed page to the selected word-line.

Abstract: A display device including a pixel comprises an EVDD driving unit outputting an AC driving voltage swinging between a high potential voltage and a low potential voltage according to voltages of a first control node and a second control node, and a plurality of sub-pixels connected to a data line and a gate line to receive the AC driving voltage by sharing an output node of the EVDD driving unit. Each of the sub-pixels may include a light emitting element, a driving element for supplying a current to the light emitting element according to a gate-source voltage, a switch element turned-on according to a scan signal to connect the data line to the gate of the driving element, and a capacitor connected between a gate and a source of the driving element.

Abstract: A method of simulating a quantum state using a quantum computer is provided. The method includes simulating a quantum state of a target molecule using the quantum computer, measuring a Hamiltonian in a simulated quantum state of the target molecule, calculating energy from the Hamiltonian measurements, and calculating a ground state and ground energy of the target molecule through an optimization process of deriving a lowest energy state by adjusting parameters that determine the quantum state of the target molecule, wherein simulating of the quantum state is performed with the configuration of a quantum circuit in which one quantum bit (qubit) is assigned to a pair of spin orbitals.