Abstract: The present disclosure relates to a portable air purifier. The portable air purifier includes: a fan case having a narrow width portion at the front thereof and a wide width portion at the rear thereof, the narrow width portion including a space the radiuswise width of which is less than the radiuswise width of the wide width portion, and a fan blade protruding centrifugally further than the space formed inside the narrow width portion while being disposed at the wide width portion.

Abstract: Provided is an electrode rolling apparatus and method for performing a multi-stage induction heating. By use of the apparatus and method, it is possible to prevent camber generation on the non-coated part region during the process of rolling an electrode substrate, and it is possible to increase the efficiency of the manufacturing process.

Abstract: The present disclosure relates to an apparatus and method for removing noise for a weather radar and, more particularly, to an apparatus and method for removing noise for a weather radar, the apparatus and method being able to detecting a radio interference echo, which is noise due to radio interference that is generated by reception of other external radio waves to a weather radar except for a radio wave transmitted from the weather radar, separately from weather eco according to normal weather measurement, and being able to remove the radio interference echo.

Abstract: A memory device includes: a first clock receiver configured to receive a first clock signal; a second clock receiver configured to receive a second clock signal when data is input or output, wherein the second clock signal has a first clock frequency in a preamble period, and has a second clock frequency different from the first clock frequency after the preamble period; a command decoder configured to receive a clock synchronization command synchronized with the first clock signal and generate a clock synchronization signal, wherein the clock synchronization signal is generated during the preamble period; and a clock synchronizing circuit configured to generate a plurality of division clock signals in response to the second clock signal, latch the clock synchronization signal during the preamble period, and selectively provide the plurality of division clock signals as internal data clock signals according to a result of the latching.

Abstract: Provided are an apparatus and a method for removing noise for observation information of a weather radar, and more particularly, an apparatus and a method for removing noise for observation information of a weather radar capable of separating and removing second trip echoes corresponding to noise from precipitation echoes by simulating the reflectivity of the second trip echoes caused by a distance folding phenomenon shown in weather observation information generated using a weather radar. According to the present invention, in order to remove the second trip echo that occurs in the observation information measured in the volume observation radius during weather observation by setting the weather radar as the volume observation radius where the second trip echo occurs, the weather radar is set as a long-range observation radius in which a second trip echo exceeding the volume viewing radius does not occur.

Abstract: The present disclosure provides a delirium risk predicting method which includes receiving at least one of blood data, severity evaluation data, mental state evaluation data, and bio signal data, medication data, and medical treatment data, for an subject, predicting a delirium risk for the subject, using a delirium risk prediction model configured to predict a delirium risk, based on at least one data, the medication data, and the medical treatment data, and providing the delirium risk predicted for the subject. The at least one data, the medication data, and the medical treatment data are defined as initial data which is evaluated or measured only once for the subject and a delirium risk predicting device using the same.

Abstract: Provided are stretchable electronics and a method for manufacturing the same. The stretchable electronics may include a substrate, a plurality of electronic elements disposed to be spaced apart from each other on the substrate, and a wire structure disposed on the substrate to connect the plurality of electronic elements to each other. The wire structure may include an insulator extending from one of the electronic elements to the other of the adjacent electronic elements and a metal wire configured to cover a top surface and side surfaces of the insulator. The insulator may include at least one bent part in a plan view.

Abstract: The present technology includes a semiconductor memory device. The semiconductor memory device includes a first channel pattern and a second channel pattern each extending in a vertical direction and facing each other, a channel separation pattern formed between the first channel pattern and the second channel pattern and extending in the vertical direction, a stack including conductive patterns each surrounding the first channel pattern, the second channel pattern, and the channel separation pattern and stacked apart from each other in the vertical direction, a first memory pattern disposed between each of the conductive patterns and the first channel pattern, and a second memory pattern disposed between each of the conductive patterns and the second channel pattern.

Abstract: The present technology includes a semiconductor memory device. The semiconductor memory device includes a first channel pattern and a second channel pattern each extending in a vertical direction and facing each other, a channel separation pattern formed between the first channel pattern and the second channel pattern and extending in the vertical direction, a stack including conductive patterns each surrounding the first channel pattern, the second channel pattern, and the channel separation pattern and stacked apart from each other in the vertical direction, a first memory pattern disposed between each of the conductive patterns and the first channel pattern, and a second memory pattern disposed between each of the conductive patterns and the second channel pattern.

Abstract: A chassis platform module for an electric vehicle may include: a frame part having a battery mounted thereon; a first support part extended from one side of the frame part in a longitudinal direction, and having a front wheel chassis module mounted thereon; and a second support part extended from the other side of the frame part in the longitudinal direction, and having a rear wheel chassis module mounted thereon.

Abstract: A semiconductor package including: a first package; a second package on the first package, the second package including a second package substrate, first and second semiconductor chips on the second package substrate, and a second molding part on the second package substrate and covering the first and second semiconductor chips; and a fill part between the first package and the second package, a first through hole that penetrates the second package substrate, the first through hole being between the first and second semiconductor chips, a second through hole that penetrates the second molding part, the second through hole being connected to the first through hole, and wherein the fill part has an extension disposed in the first through hole and the second through hole.

Abstract: A display device of the present invention includes a pixel unit including a plurality of pixels connected to data lines and scan lines; a data driver disposed on one side of the pixel unit to drive the data lines; a scan driver disposed on the one side of the pixel unit together with the data driver to drive the scan lines; and a controller which controls an output timing of a data signal in units of pixel columns and units of pixel rows based on a load of a scan signal supplied to the scan lines and a load of the data signal supplied to the data lines.

Abstract: A charging and discharging device including a plurality of pressing plates and at least one spacer for supporting a gas pocket of a battery cell to prevent gas pocket interference between battery cells and increase the space utilization rate of the gas pocket during the formation process of the battery cell.

Abstract: An apparatus for composition for dual-polarization weather radar observation data includes: a coordinate system converting unit that converts a reference grid of an orthogonal coordinate system into a grid of a dual-polarization weather radar spherical coordinate system based on a latitudinal-longitudinal coordinate system for each individual dual-polarization weather radar by using an earth spherical coordinate system; a CAPPI data generating unit that generates CAPPI data based on the orthogonal coordinate system after mapping individual items of dual-polarization weather radar observation data on grid coordinates of the dual-polarization weather radar spherical coordinate system; and a CAPPI data compositing unit that performs composition of CAPPI data for each of the individual dual-polarization weather radars located at the same coordinate of the orthogonal coordinate system obtained by mapping the individual items of dual-polarization weather radar observation data thereon.

Abstract: Provided are a polarizing plate and a liquid crystal display device including same, the polarizing plate including a polarization film, a contrast-improving layer, and an anti-reflection film that are sequentially laminated. The minimum reflectance of the anti-reflection film is no greater than 0.45%. The anti-reflection film has a first substrate layer, a high-refraction layer and a low-refraction layer that are laminated in order from the contrast-improving layer. The contrast-improving layer includes a first resin layer and a second resin layer facing the first resin layer. The second resin layer is provided with a pattern part having optical patterns and a flat part between the optical patterns. The pattern part satisfies Equation 1 and the optical patterns have a base angle (?) of 60° to 90°. The slope of the reflectance of the polarization plate in Equation 2 is no greater than 0.3.

Abstract: The present disclosure relates to a portable air purifier. In the portable air purifier, a fan base is disposed between a fan module including a mixed flow fan and a filter, and forms a passage that connects between the filter and the fan module while coupling the filter and the fan module. Accordingly, the portable air purifier can ensure improvement in air purification performance with no increase in the size of the portable air purifier.

Abstract: The present invention relates to a deep learning-based multiple skin lesion detection system, a multiple lesion detection method, and a computer-readable recording medium that has a program for implementing same recorded thereon. The system according to the present invention enables accurate classification and detection of various skin lesions having similar characteristics, on the basis of a context-dependent decision-making structure in which the local spatial correlation between various skin lesions in skin is considered.

Abstract: Provided are a polarizing plate and an optical display device including same, the polarizing plate comprising a polarizing film and a contrast ratio enhancement layer formed on a light-emitting surface of the polarizing film, wherein the contrast ratio enhancement layer comprises: a first resin layer including a pattern unit having one or more engraved patterns and a flat portion formed between the engraved patterns; and a second resin layer directly formed on the pattern unit, wherein the engraved patterns have a base angle of approximately 75° to approximately 90°, the pattern unit satisfies formula 1, the first resin layer has a refractive index larger than that of the second resin layer, and the first resin layer includes a dye of which the maximum absorption wavelength is approximately 550 nm to approximately 620 nm.

Abstract: A fastening apparatus for a vehicle may include: a first fastening unit fixed to a first structure; a casing fixed to a second structure and arranged in a manner that faces the first fastening unit; a guide unit formed in the casing in a manner that passes therethrough; and a second fastening unit installed on the guide unit in a manner that is rotatable and enabled to ascend and descend, and fastened to or separated from the first fastening unit according to a rotational direction thereof.

Abstract: A fastening apparatus for a vehicle includes a first fastening unit fixed to a first structure, a casing fixed to a second structure and configured to face the first fastening unit, a moving unit installed inside the casing, and the moving unit being configured to ascend and descend, a second fastening unit rotatably combined with the moving unit and being configured to be fastened to or separated from the first fastening unit according to a rotational direction, and a restoration unit being configured to restore the moving unit to an initial position thereof, in response to the second fastening unit being separated from the first fastening unit.