Abstract: The present disclosure relates to a method of preparing an organic zinc catalyst through solid phase blending that does not require a solvent and a washing process, and a method of preparing a polyalkylene carbonate resin by using the organic zinc catalyst prepared thereby.

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 including an overlithiated lithium manganese-based oxide, which is able to prevent the degradation of the electrochemical properties of a lithium secondary battery, including rate characteristics, caused by an excess of lithium and manganese in the lithium manganese-based oxide by inducing the growth of primary particles constituting the lithium manganese-based oxide, and prevent the lifetime deterioration of a lithium secondary battery by reducing side reactions between the lithium manganese-based oxide and a liquid electrolyte particularly during high-voltage operation, and at the same time, inhibiting or mitigating the release of a transition metal from 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 bimodal-type positive electrode active material for improving the low energy density per unit volume of an overlithiated 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 bimodal-type positive electrode active material which is capable of improving the low energy density per unit volume of an overlithiated lithium manganese-based oxide, preventing the degradation of electrochemical properties of a lithium secondary battery, including rate characteristics, caused by an excess of lithium and manganese in the lithium manganese-based oxide, and particularly preventing the lifetime deterioration of a lithium secondary battery by inhibiting or mitigating the release of a transition metal from 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 including an overlithiated lithium manganese-based oxide, and capable of preventing the degradation of electrochemical properties of a lithium secondary battery, including rate characteristics, caused by an excess of lithium and manganese in the lithium manganese-based oxide and reducing side reactions between the lithium manganese-based oxide and a liquid electrolyte during high-voltage operation through induction of the growth of primary particles constituting the lithium manganese-based oxide.

Abstract: Disclosed is an image generating device, which includes a measurement device including a plurality of transmitters and a plurality of receivers for a multistatic measurement of an object, an image preprocessing device that receives a raw image signal corresponding to the multistatic measurement from the measurement device and generates a preprocessed image signal based on the raw image signal, an image amplifier that generates an amplified image signal based on the preprocessed image signal, and an image restorer that generates a restored image signal corresponding to the object based on the amplified image signal, and the image amplifier is further configured to set up a first virtual transmitter and a first virtual receiver, to obtain first measurement data of a first target transmitter closest to the first virtual transmitter among the plurality of transmitters and a first target receiver closest to the first virtual receiver among the plurality of receivers.

Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol is sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.

Abstract: An optical film for a display device, includes: a first refractive layer having an upper surface and a lower surface including first projections and second projections extending away from the lower surface in a first direction, the second projections having different heights than the first projections, the first projections having lateral sides with different angles of inclination that decrease in the first direction; and a second refractive layer disposed directly on the upper surface of the first refractive layer, the second refractive layer having a refractive index different from that of the first refractive layer.

Abstract: Disclosed is an image data generating method. Operations of emitting electromagnetic waves to an object and receiving scan signals scanning the object are performed by using a multi-static transceiver. First image data of a low resolution are generated based on the scan signals. when a first condition associated with the first image data is satisfied, second image data of a high resolution associated with a sub-region of the first image data are generated. When a second condition associated with the second image is satisfied, third image data based on the first image data and the second image data are generated.

Abstract: A steer-by-wire type power steering apparatus according to embodiments disclosed herein includes a cylinder provided inside a housing and including a first spline on an inner circumferential surface thereof, and a sliding bar inserted into the cylinder and including a second spline engaged with the first spline and a screw connected to a motor, so that friction and noise can be reduced when a sliding bar connected to a tie rod so as to steer a wheel is slid, the durability and strength of the sliding bar can be improved, and the position of the sliding bar can be determined based on a phase difference between the rotation information items of respective motors.

Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.

Abstract: An ingot growth apparatus is disclosed. The ingot growth apparatus according to an embodiment of the present invention may comprise: a growth furnace having a main crucible which is disposed inside the growth furnace and in which molten silicon is held in order to grow an ingot; a susceptor formed to surround the outer surface of the main crucible and heating the main crucible; a heater formed to surround the outer surface of the susceptor and including a coil which is supplied with power to generate a magnetic field and heats the susceptor by electromagnetic induction from the magnetic field; and a heat insulation member disposed between the coil and the susceptor.

Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.

Abstract: The present invention provides methods for treating or ameliorating metabolic diseases, cholestatic liver diseases, or organ fibrosis, which comprises administering to a subject a therapeutically effective amount of a pharmaceutical composition comprising an isoxazole derivative, a racemate, an enantiomer, or a diastereoisomer thereof, or a pharmaceutically acceptable salt of the derivative, the racemate, the enantiomer, or the diastereoisomer.

Abstract: A system on chip and semiconductor device including the same are provided. The system on chip comprises a plurality of functional blocks, a frames per second (FPS) meter measuring FPS based on data processed by the functional blocks, a thermal management unit (TMU) sensing a temperature of each of the functional blocks, a dynamic voltage frequency scaling (DVFS) controller performing DVFS on the functional blocks, and a power management unit (PMU) independently controlling the power of the functional blocks, wherein the DVFS controller checks the FPS for the functional blocks when an operating frequency of each of the functional blocks is limited and limits the operating frequency of the at least one of the functional blocks to a threshold value or less using the FPS checked by the DVFS controller and the temperature of each of the functional blocks.

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: 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: 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: 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: 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.