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 an overlithiated lithium manganese-based oxide, which is a solid solution with a phase belonging to a C2/m space group and a phase belonging to an R3-m space group and in which stability degradation caused by excessive amounts of lithium and manganese in the lithium manganese-based oxide is mitigated and/or prevented because there are regions with different proportions of the phase belonging to the C2/m space group and the phase belonging to the R3-m space group in the lithium manganese-based oxide, and a lithium secondary battery including the same.

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 an overlithiated lithium manganese-based oxide including at least lithium, nickel, manganese and a doping metal, and in which the degradation in stability caused by excessive amounts of lithium and manganese in the lithium manganese-based oxide is mitigated and/or prevented by controlling the concentration of a transition metal in the lithium manganese-based oxide for each region, and a lithium secondary battery including the same.

Abstract: A clock generating circuit includes a first frequency multiplier configured to generate a second clock signal having a second frequency based on a first clock signal having a first frequency, and a second frequency multiplier configured to generate a third clock signal having a third frequency based on the second clock signal. The first frequency multiplier includes a circuit configured to control a duty cycle of the first clock signal, a delay circuit configured to receive the duty controlled clock signal, and delay the received signal based on a duty cycle of the second clock signal to output a first delay clock signal, and an XOR gate configured to perform an XOR computation using the duty controlled clock signal and the first delay clock signal to output the second clock signal. The second frequency is greater than the first frequency, and the third frequency is greater than the second frequency.

Abstract: A display cell includes a signal line electrically connected to a pixel arranged in a display area, a signal pad unit disposed in a peripheral area adjacent to the display area, and including a signal pad electrically connected to the signal line, an inspection pad unit disposed in a turn-on inspection area, and including an inspection pad electrically connected to the signal pad, where the inspection pad is configured to receive a turn-on inspection signal, and a power supply voltage line configured to apply a power supply voltage to the pixel, extending from the inspection pad unit to the peripheral area, and divided into a plurality of sublines by at least one slit pattern in a cut-off area between the peripheral area and the turn-on inspection area.

Abstract: The present invention relates to a positive electrode for a secondary battery to improve stability during overcharge, and a lithium secondary battery including the same, and particularly, to a positive electrode for a secondary battery including a positive electrode active material layer formed on a positive electrode collector, wherein the positive electrode active material layer has a double-layer structure which includes a first positive electrode active material layer formed on the positive electrode collector and a second positive electrode active material layer formed on the first positive electrode active material layer, the first positive electrode active material layer includes a first positive electrode active material, a conductive agent, and a volume expansion resin in which volume expansion occurs at a high temperature during overcharge, and the second positive electrode active material layer includes a second positive electrode active material, and a lithium secondary battery including the same.

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 incudes: 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: An electrode assembly having an improved connection structure between electrode tabs includes: an electrode laminate including a plurality of unit cells, each unit cell of the plurality of unit cells formed of a positive electrode having an electrode tab extending from an end thereof, a negative electrode having an electrode tab extending from an end thereof, and a separator disposed between the positive electrode and the negative electrode; and a conductive adhesion portion connecting the electrode tabs of the positive electrode to each other or connecting the electrode tabs of the negative electrode to each other, wherein the conductive adhesion portion includes a safety element material, and wherein the safety element material is applied in the form of a slurry.

Abstract: A display device includes: a first substrate overlapping a second substrate and including a display area and a non-display area; a display element disposed in the display area and between the first substrate and the second substrate; a sealing member disposed in the non-display area and between the first substrate and the second substrate; a touch unit; and a blocking member disposed in the non-display area and on the second substrate, wherein the blocking member includes blocking patterns, each of which has a first edge and a second edge, wherein the first edge extends in a first direction, and the second edge extends in a second direction different from the first direction, wherein a length of the first edge is longer than a length of the second edge, and the second edge of one blocking pattern does not overlap the second edge of another blocking pattern along the second direction.

Abstract: An image sensor includes a pixel array including a first pixel and a second pixel which are connected to a first column line, and a row driver configured to control a read operation of the second pixel. A voltage of the first column line is determined based on a higher voltage among a voltage of a floating diffusion node of the first pixel and a voltage of a floating diffusion node of the second pixel during the read operation of the second pixel.

Abstract: Disclosed is a bandgap reference circuit, which includes a first current generator that generates a first current proportional to a temperature, a second current generator that outputs a second current obtained by mirroring the first current to a first node at which a reference voltage is formed, a first resistor that is connected with the first node and is supplied with the second current, and a first bipolar junction transistor (BJT) that includes an emitter node connected with the first resistor, a base node supplied with a first power, and a collector node supplied with a second power different from the first power.

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.