Abstract: A display device includes a display module, a plurality of support bars disposed on a rear surface of the display module, a roller which is connected to one end of the display module and around which the display module and part of the plurality of support bars are wound, and a housing which accommodates the display module, the plurality of support bars, and the roller. A gap between the plurality of support bars varies according to areas of the display module.

Abstract: In a method for preparing a cathode of a secondary battery, a method for preparing a purified N-methyl pyrrolidinone (NMP), and a method for purifying a waste NMP, an inhibitor is added to prevent NMP from being decomposed to produce formaldehyde during the process. 1. The inhibitor may be a phenol-based antioxidant and/or an amine-based light stabilizer.

Abstract: A polycarbonate resin including a unit of Chemical Formula 1 and a unit of Chemical Formula 2, a method for preparing the same, a polycarbonate resin composition including the same, and a molded article are disclosed herein: Ar1 and Ar2 are independently an aryl group, or a heteroaryl group, R1 is hydrogen, deuterium, a halogen group, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a silyl group, an aryl group, or a heteroaryl group, R2 and R3 are different from each other, r1 is 1 or 2, r2 and r3 are each an integer from 1 to 4, L1 and L2 are independently an arylene group, X1 to X8 are independently O or S, Z1 to Z4 are independently an alkylene group, or a cycloalkylene group, and a, b, c and d are independently an integer from 1 to 10.

Abstract: An unmanned charging device and method for a smart logistics vehicle are disclosed. The unmanned charging device includes a charging body configured to enable a mobile robot to dock therewith and having an inner space, and a charging terminal unit inserted into the inner space of the charging body and having a front support at a front side thereof, the charging terminal unit being configured to enable charging of the mobile robot. When the mobile robot approaches the charging body in response to reception of a charging request, a sensing unit of the mobile robot is supported by the front support, thereby causing the mobile robot to be adjusted in position. Docking of the mobile robot with the charging terminal unit is performed in a position-adjusted state of the mobile robot.

Abstract: A battery installation structure for a vehicle includes a case, configured to allow a plurality of battery modules to be mounted in the case, and a pack end plate mounted so as to form a shock-absorbing space between a wall surface of the case and one end of each of the plurality of battery modules that is parallel to and faces the wall surface, among two opposite ends of each of the plurality of battery modules in a stacking direction of battery cells, the shock-absorbing space including a slanted surface slanted with respect to the wall surface.

Abstract: The optical system disclosed in the embodiment of the invention includes first to ninth lenses disposed along an optical axis from an object side toward a sensor side, the first lens has positive refractive power on the optical axis, and the seventh lens has a positive (+) refractive power on the optical axis, the ninth lens has a negative (?) refractive power on the optical axis, and the seventh lens may be a thickest among thicknesses of each of the first to ninth lenses in the optical axis.

Abstract: A display device includes a display module. A support layer is disposed below the display module. A plurality of support bars is disposed inside the support layer and extends outside of the support layer. Each of the plurality of support bars includes first and second ends that are disposed outside of the support layer. A plurality of joints are configured to receive the first and second ends of the plurality of support bars. The plurality of joints are coupled to each other. The coupled plurality of joints are configured to rotate with respect to each other.

Abstract: A system may include an ultrasound probe and a controller unit configured to aim the ultrasound probe to transabdominally image a patient's prostate and obtain a transabdominal image of the patient's prostate using the aimed ultrasound probe. The controller unit may be further configured to perform a segmentation process on the obtained transabdominal image of the patient's prostate using a trained machine learning model to identify a boundary of the prostate in the transabdominal image of the patient's prostate.

Abstract: The present disclosure relates to a polymer resin composition including a polyamide resin in which an average particle size of individual crystals measured by a small-angle X-ray scattering apparatus is reduced through an alternating segment structure, and at least one selected from the group consisting of a metal salt compound and an end-capping agent compound, and a polymer film and a resin laminate using the same.

Abstract: A method of displaying an application is provided. The method includes displaying an execution screen of a first application on a first area when the first application is executed, displaying the execution screen of the first application on a second area instead of on the first area when a second application is executed while the first application is executed, and displaying an execution screen of a second application on the first area.

Abstract: The present disclosure relates to a system and a method for discharging carbon monoxide (CO) by using a CO leakage alarm device and, more specifically, to a system and a method for discharging CO by using a CO leakage alarm device, the system and the method being operated on the basis of the Internet of things (IoT) so as to: detect CO leakage caused by damage to a boiler flue and sound an alarm through at least two from among the CO leakage alarm device, a boiler controller, a wall pad, and the like, automatically perform boiler ventilation and indoor air ventilation when the leakage is determined; and directly notify CO leakage-related authorities and users about the CO leakage.

Abstract: A method includes measuring a linearity of a first pull-up circuit, a second pull-up circuit, a third pull-up circuit, a first pull-down circuit, a second pull-down circuit and a third pull-down circuit using an initial pull-up code and an initial pull-down code, each of the first pull-up circuit, the second pull-up circuit and the third pull-up circuit having a respective resistance value determined based on a respective pull-up code, and each of the first pull-down circuit, the second pull-down circuit and the third pull-down circuit having a respective resistance value determined based on a respective pull-down code, and determining a calibration setting indicator based on the measurement result, the calibration setting indicator indicating a calibration method of a transmission driver including the first pull-up circuit, the second pull-up circuit, the third pull-up circuit, the first pull-down circuit, the second pull-down circuit and the third pull-down circuit.

Abstract: The present invention provides a catalyst module for removing harmful gas, wherein an oxidation reaction or reduction reaction of harmful gas is carried out in a self-heating heating carrier. According to an embodiment of the present invention, the catalyst module for removing harmful gas comprises: a heating carrier composed of an electrically heatable heating body, including one or more flow channels inside, and having a porous structure with pores; and a catalyst region formed on at least a portion of the surface of the heating carrier including the flow channels and containing a catalyst material for promoting a decomposition reaction of harmful gas passing through the flow channels, wherein the catalyst region comprises: a first catalyst layer having a first catalyst material loading amount in the pores of the heating carrier; and a second catalyst layer applied on the inner surface of the heating carrier.

Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.

Abstract: A process includes means for depositing an anti-corrosion coating filled with liquid oil on an aluminum substrate. Aluminum is anodized and then treated with a thin hydrophobic sub-coating. The pores created through anodization are then impregnated with liquid oil. Oil penetration is maximized and residual air is minimized by first filling the pores with a filling solution, replacing the filling solution with an exchange fluid, and then replacing the exchange fluid with perfluorinated oil. The oil gives the surface coating anti-wetting properties and self-healing properties, thereby protecting the aluminum substrate underneath from corrosion.

Abstract: The present embodiments relate to a phase error compensation device and method of a radar and a radar device including the same. A phase error compensation device according to an embodiment may include a first determiner configured to determine, for each first distance to a moving target, a first phase error between a phase of a first reception signal corresponding to a first transmission signal transmitted from a first transmission antenna and a phase of a second reception signal corresponding to a second transmission signal from a second transmission antenna, and a lookup table generator configured to generate and store a lookup table for phase compensation including phase compensation values for each distance based on the first phase error for each first distance.

Abstract: A power control method and apparatus in consideration of a driving environment of a hybrid vehicle is provided. The method and apparatus for controlling a power of a hybrid vehicle enable real-time application while having adaptability to various driving environment. For a hybrid vehicle, the power control method and apparatus provide optimum fuel efficiency performance in any driving environment through power control considering the current driving environment in real time.

Abstract: A battery pack comprises a plurality of battery modules. Each battery module of the plurality of battery modules includes: a stacked structure including a plurality of stacked battery cells; and a front cover and a rear cover respectively disposed on a front side and a rear side of the stacked structure, configured to cover the stacked structure, and including a cover surface facing the stacked structure, a first fastening portion laterally protruding from a first side of the stacked structure in a stacking direction of the plurality of stacked battery cells, and a second fastening portion laterally protruding from a second side of the stacked structure in the stacking direction.

Abstract: A memory device, a host device and a method of operating the memory device are provided. The memory device includes a data signal generator configured to provide a data signal to a transmission driver, the transmission driver configured to output a multi-level signal having any one of first to third signal levels based on the data signal, a command decoder configured to receive a feedback signal from outside of the memory device and decode the feedback signal, a data signal controller configured to adjust the data signal based on a decoding result of the command decoder, and a drive strength controller configured to adjust at least one of the first to third signal levels based on the decoding result of the command decoder.

Abstract: A resin including a unit of Chemical Formula 1, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are described: wherein all the variables are described herein.