Abstract: The present invention relates to an electrode cutting device including a cutting unit configured to cut an electrode sheet and a fixing unit configured to fix the electrode sheet, wherein the cutting unit includes a cutter configured to cut the electrode sheet by shearing and a cutter lifting portion configured to move the cutter so as to be perpendicular to a surface of the electrode sheet, and the fixing unit includes a gripper configured to press the electrode sheet so as to be fixed, a driving portion configured to drive the gripper so as to be moved, and a sensor configured to monitor the driving portion, whereby it is possible to rapidly and accurately check whether air leaks from the driving portion, which drives the gripper.

Abstract: The present invention relates to a conjugated diene-based polymer or a modified conjugated diene-based polymer, which has excellent wet skid resistance and abrasion resistance in a balanced way, and a rubber composition including the same, and by controlling the microstructure of the polymer such that a full width at half maximum (FWHM) value of a tan ? peak shown in a temperature range of -100° C. to 100° C. becomes 20° C. or higher in a tan ? graph in accordance with temperature, derived from dynamic viscoelasticity analysis by an Advanced Rheometric Expansion System (ARES), excellent viscoelasticity behavior properties may be shown, and accordingly, the improvement of overall physical properties may be expected.

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; and a light conversion part disposed between the first electrode and the second electrode, wherein: each of the first substrate and the second substrate includes a first direction, a second direction different from the first direction, and a third direction defined as a thickness-direction of the first substrate and the second substrate; the light conversion part includes a partition wall part and a reception part alternately arranged; and the reception part has a light transmittance changing according to application of a voltage, extends in a fourth direction, and has a lower surface inclined at an acute angle with respect to one side surface of the first substrate.

Abstract: A slot die coating device according to one embodiment of the present disclosure includes a slot die coater forming an internal space for housing an electrode slurry and a discharge passage in communication with the internal space to discharge the electrode slurry; and a block positioned in the internal space, wherein a first distance defined between a first inside portion and a second inside portion forming the internal space is greater than a second distance defined between a first discharge inside portion and a second discharge inside portion forming the discharge passage, and wherein the block comprises a first block facing the first inside portion and a second block facing the second inside portion.

Abstract: A camera actuator according to an embodiment includes a housing; a prism unit disposed in the housing; a first driving unit disposed in the housing and controlling a tilt of the prism unit; and a second driving unit disposed under the housing and controlling a tilt of the housing, wherein the first driving unit includes a first piezoelectric device disposed in a region overlapping a center of the prism unit in a first direction, wherein the second driving unit includes a second piezoelectric device disposed in a region overlapping the center of the prism unit in a second direction different from the first direction, wherein the prism unit is provided to be tiltable in the second direction by the first driving unit, and wherein the housing is provided to be tiltable in the first direction by the second driving unit.

Abstract: A nozzle for a cleaner includes a nozzle housing including a suction flow path through which air containing dust can flow and a driving unit cover including a plurality of protruding surfaces, a first rotation cleaning unit and a second rotation cleaning unit disposed on a bottom side of the nozzle housing, each of the first rotation cleaning unit and the second rotation cleaning unit including a rotation plate designed to be coupled to a mop, rotation centers of the first rotation cleaning unit and the second rotation cleaning unit are eccentric with respect to a center of the driving unit cover, a driving device for driving the first rotation cleaning unit and the second rotation cleaning unit; and a water tank provided on the nozzle housing and for storing water to be supplied to the mops.

Abstract: The present invention relates to a method for halogenating an isobutene-isoprene copolymer by using an organic hypochlorite. By using the method of the present invention, a hydrogen halide byproduct may be rapidly recycled into a halogenating agent and reused. As a result, a halogenated isobutene-isoprene copolymer having the high content of secondary allyl halogen functional groups may be prepared by increasing the participation ratio of the halogenating agent in reaction and suppressing the rearrangement of the secondary allyl halogen functional groups. The halogenated isobutene-isoprene copolymer prepared according to the present invention may be effectively used in the crosslinking reaction with other rubber, and is industrially useful.

Abstract: An apparatus for inspecting a failure of an electrode assembly before injecting an electrolyte includes a short-circuit tester configured to detect a short circuit of the electrode assembly by applying a predetermined voltage to a positive electrode and a negative electrode of the electrode assembly; a multimeter electrically connected to the short-circuit tester and configured to measure a voltage and a current of the electrode assembly over time; and a failure determination part connected to the multimeter and configured to monitor changes in voltage and current measured by the multimeter and determine a type of a failure of the electrode assembly from data on the changes in voltage and current over a predetermined period of time. A method of inspecting a failure of an electrode assembly using the same is also provided.

Abstract: An apparatus may include a vibration member and a vibration device configured to vibrate the vibration member. The vibration device may be configured to comprise a first vibration portion and a second vibration portion which is different from the first vibration portion.

Abstract: The present disclosure relates to a method of controlling a robot cleaner including a pair of rotary plates having lower sides to which mops facing a floor surface are coupled, the robot cleaner being configured to move by rotating the pair of rotary plates, the method including: a first forward movement step of moving the robot cleaner forward from a starting point toward a predetermined target point; a first rotation step of rotating the robot cleaner; a second forward movement step of moving the robot cleaner forward after the first rotation step; and a second rotation step of rotating the robot cleaner after the second forward movement step, such that the floor surface may be repeatedly cleaned only by the forward movement and the rotation.

Abstract: This invention relates to an optical laminate comprising: a hard coating layer comprising polysiloxane; a primer layer; and an anti-finger print layer comprising a fluorine-containing compound, and having specific change in water contact angle and specific change in coefficient of friction, before and after conducting friction test on the anti-finger print layer; and a flexible display device including the same.

Abstract: An electrode cutting device is provided. The electrode cutting device may perform a full-width cutting process and an edge cutting process together to simplify the manufacturing process, thereby significantly improving work efficiency. Particularly, an edge of the electrode is uniformly cut to prevent defects from occurring.

Abstract: A battery diagnosing apparatus includes a profile generating unit configured to obtain a battery profile representing a corresponding relationship between voltage and capacity of a battery, and generate a differential profile representing a corresponding relationship between the voltage and a differential capacity for the voltage based on the obtained battery profile, and a control unit configured to receive the differential profile from the profile generating unit, determine a target peak in the differential profile, compare voltages of the determined target peak and a criterion peak of a criterion profile preset for the battery, and judge whether a side reaction occurs in the battery based on the comparison result.

Abstract: Disclosed is an air cleaner, more specifically, an air cleaner including a blower that inhales air from the outside, filters the inhaled air, and discharges the filtered air, a flow adjusting device disposed on the blower to inhale the air discharged from the blower, adjust a discharge direction of the inhaled air, and discharge the air, and a guide member disposed below the flow adjusting device to change a state of the flow adjusting device. The guide member may include a plurality of gears arranged inside the guide member to be rotatable, some of the plurality of gears may be connected to each other to be rotatable in engagement with each other, and the flow adjusting device may change the discharge direction of the air by rotations of the plurality of gears of the guide member.

Abstract: A dual-slot die coater including a first slot and a second slot for discharging a coating solution in a direction opposite to gravity, a first die block vertically installed on a rear portion of an upper surface of a base, a second die block arranged on a front surface of the first die block to form the first slot between the second die block and the first die block, and a third die block arranged on a front surface of the second die block to form the second slot between the third die block and the second die block, and further includes an alignment block provided between a front portion of the upper surface of the base and a lower surface of the second die block and fastened and coupled to the lower surface of the second die block and a lower surface of the first die block by bolts.

Abstract: A lens driving device according to an embodiment includes a moving part including a lens; a driving part for driving the moving part in an optical axis direction; and a sensing part for sensing a position of the moving part; wherein the moving part includes: a magnet scaler in which a first pole and a second pole are alternately arranged in a first direction; and a reference magnet corresponding to the magnet scaler and having a first pole and a second pole disposed in a second direction perpendicular to the first direction.

Abstract: A battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal extracted from the secondary battery, including memory to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery, a voltage sensor to measure a voltage of a target battery during a charge or discharge process, and a processor to generate a plurality of charge and discharge measurement profiles based on voltages measured at a plurality of different time points, compare each of the generated charge and discharge measurement profiles with a simulation profile obtained from the positive and negative electrode reference profiles, and determine positive and negative electrode adjustment profiles for each of the generated charge and discharge measurement profiles so that an error between each charge and discharge measurement profile and the simulation profile is within a predetermined level.

Abstract: A lens moving apparatus including a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a magnet disposed on the housing to correspond to the coil; an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing; and a damper coupled to the first elastic member and the housing.

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the first substrate; a second substrate arranged on the first substrate; a second electrode arranged under the second substrate; an optical conversion unit arranged between the first electrode and the second electrode; and an adhesive layer between the optical conversion unit and the second electrode, wherein the optical conversion unit comprises a partitioning part and an accommodation part that are alternately arranged, a dispersion liquid for changing the transmittance of light is arranged inside the accommodation part, the dispersion liquid is arranged to be in direct contact with the bottom surface and the inner side surfaces of the accommodation part and the lower surface of the adhesive layer, a first contact angle between the dispersion liquid and the bottom surface and the inner side surfaces of the accommodation part is 20° or lower, a second contact angle between the dispersion liqu

Abstract: An embodiment relates to a charging control apparatus and a charging control method for an electric vehicle. A charging control apparatus according to an embodiment comprises: a proximity detection port to which a proximity signal from a connector of a charging cable is input; a first proximity detection interface for generating a first proximity detection signal on the basis of the proximity signal; a controller for determining whether the connector of the charging cable is in proximity, on the basis of the first proximity detection signal; and a relay disposed between the proximity detection port and the first proximity detection interface and providing a proximity identification signal to the controller on the basis of a control by the controller.

Abstract: Provided are an artificial intelligence cleaning robot which establishes a cleaning plan in consideration of a previous cleaning history, and a method thereof. A method of operating a cleaning robot comprises dividing a cleaning area into a plurality of areas, storing a history of previous cleaning performed by the cleaning robot in a memory, establishing a cleaning plan based on the previous cleaning history stored in the memory and controlling the cleaning to be performed according to the established cleaning plan. Accordingly, it is possible to establish a cleaning plan with the reflection of a previous cleaning history, so that the cleaning efficiency of the cleaning robot can be improved.

Abstract: A robot cleaner for performing cleaning using artificial intelligence includes a suction unit configured to suction dust, a driving unit to drive the robot cleaner, a memory configured to store a compensation model for inferring optimal suction output and driving output for cleaning environment information for learning, and a processor configured to acquire cleaning environment information, determine a suction output value and a driving speed of the robot cleaner from the acquired cleaning environment information using the compensation model, control the suction unit to suction the dust with the determined suction output value, and control the driving unit to drive the robot cleaner at the determined driving speed.

Abstract: An air cleaner includes a case, an air inlet, an air outlet, a grill covering the air inlet to filter airborne oil droplets, a fan to suction air through the air inlet and discharge air out of the air outlet, a roll filter provided between the grill and the fan to filter oil mist, and a filter roller to cut the roll filter. The roll filter includes a roller and a filter sheet wound around the roller, and the filter sheet may be unwound to extend behind the grill. When the filter sheet becomes dirty, the roll filter is further unwound so that a clean section is provided behind the grill, and the filter cutter may cut off the dirty section. During cutting, a clamp holds down the filter sheet. The case includes a slit through which the dirty section of the filter sheet passes for discarding.

Abstract: A rotary compressor is provided for which a vane slot is formed in each cylinder, a suction port is disposed at one side of the vane slot in a circumferential direction with a partition wall interposed therebetween, and at least one elastic portion is formed in a penetrated or recessed manner at at least one circumferential side surface of the partition wall or between circumferential side surfaces. Accordingly, an elastic strain of the partition wall may increase to reduce friction loss between the vane slot and a vane, a sealing distance may be secured between axial side surfaces of the partition wall to prevent refrigerant leakage between the vane slot and the suction port, an amount of oil or refrigerant stored between the vane and the vane slot may be increased by virtue of the at least one elastic portion formed on an inner surface of the vane slot defining the partition wall, thereby improving lubricity.

Abstract: The present disclosure relates to an organic compound having the following structure of Chemical Formula 1, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes a triazine moiety of an electron acceptor and a fused hetero aromatic moiety of an electron donor separated from the triazine moiety. The organic compound includes the electron acceptor moiety and the electron donor moiety in a single molecule, thus charges can be moved in the molecule. Also, since the organic compound includes the rigid fused hetero aromatic ring, three dimensional conformation of the organic compound is limited, and therefore the compound may have excellent luminous efficiency and color purity.

Abstract: Disclosed are an operating mode determining method and an operating mode determining device for determining an operating mode of a clothing treatment apparatus using image information by executing an artificial intelligence (AI) algorithm and/or machine learning algorithm in a 5G environment connected for the Internet of Things. According to an embodiment of the present disclosure, the operating mode determining method includes obtaining first image information obtained by photographing clothing through a camera of the clothing treatment apparatus, obtaining second image information obtained by photographing an entrance and exit of a user wearing the clothing through a camera for monitoring an entrance and exit of a room, and determining an operating mode of the clothing treatment apparatus according to an analysis result of the first image information and the second image information.

Abstract: A display device is disclosed. The display device includes a display panel, a back cover covering a rear surface of the display panel, a bracket coupled to a rear surface of the back cover, and a support removably coupled to the bracket, wherein the bracket includes a first plate, a second plate facing the first plate, and a link connecting the first plate to the second plate, wherein the second plate includes therein a slot, which is formed toward an inside from a lower side of the second plate and in which the support is movably received, wherein the link includes a lower link, and an upper link disposed above the lower link, and wherein each of the lower link and the upper link extends in a direction intersecting the first plate and the second plate, and is pivotably coupled both to the first plate and to the second plate.

Abstract: The present invention relates to an aromatic poly(amide-imide) copolymer film having high retardation in the thickness direction and exhibiting a low moisture absorption rate, and a method for preparing the same.

Abstract: The present invention provides a patch for attaching to teeth or a surrounding part of teeth, and the patch can be easily removed by tooth brushing alone.

Abstract: The present invention provides a polyimide precursor solution which can enhance the uniformity of a polyimide film and also improve the efficiency of processes by improving liquid curl in a coating process of the polyimide precursor solution. In addition, since polyimide according to the present invention has excellent transparency, heat resistance, mechanical strength and flexibility by comprising a specific structure, the polyimide may be used in various fields, such as substrates for devices, cover substrates for displays, optical films, integrated circuit (IC) packages, adhesive films, flexible printed circuits (FPCs), tapes, touch panels, protective films for optical discs, etc.

Abstract: The present invention discloses a method for determining dispersibility, comprising (a) selecting two random points (1-1?) of an electrode material layer, (b) finding a difference ?1 of an absolute value of two voltage values by measuring voltages between the two points (1-1?) in different current directions, (c) selecting two other random points (2-2? to n-n?, where n is an integer that is equal to or greater than 2) that are different from two points selected in the process (a) and, and repeating the processes (a) and (b) at least once to find ?2 to ?n, (d) finding a mean value of differences ?1 to ?n of the absolute values obtained by repeating the process (b) and the process (c), and (e) finding a standard deviation of ?1 to ?n from the mean value.

Abstract: A lens driving device is provided which includes a housing supporting a magnet; a bobbin having a first coil disposed on the outer peripheral surface thereof and moved by an interaction between the magnet and the first coil; an upper elastic member and a lower elastic member coupled to the bobbin and the housing; and a sensing coil disposed at the housing to be spaced apart from the magnet and generating an induced voltage by an interaction with the first coil, the sensing coil being wound around a side part of the housing so as to rotate in a clockwise direction or in a counterclockwise direction with reference to an optical axis.

Abstract: The present disclosure relates to a motor operated compressor, including a housing, a compressor provided in the housing, a motor connected to the compressor to drive the compressor, an inverter coupled to one side of the housing, and connected to the motor unit in an electrically conductive manner. The motor operated compressor includes a hermetic terminal assembly, one side of which extends into the inverter unit, and an opposite side of which extends into the housing. A plurality of busbars have one end of each busbar connected to the opposite side of the hermetic terminal assembly, and the other end of each busbar connected to the motor unit. A first insulating cover portion encloses and seals the hermetic terminal assembly and the plurality of busbars inside the housing, such that a conductive body connecting the motor unit and the inverter unit in the main housing is sealed from refrigerant.

Abstract: Provided is a thermoplastic resin composition which includes: a first copolymer including an acrylic graft copolymer; a second copolymer including an alkyl-substituted styrene-based monomer unit, a vinyl cyanide-based monomer unit, and a (meth)acrylate-based monomer unit; and a third copolymer including an alkyl-unsubstituted styrene-based monomer unit, a vinyl cyanide-based monomer unit, and a (meth)acrylate-based monomer unit. According to the present invention, a thermoplastic resin composition and a thermoplastic resin molded article, which are excellent in heat resistance, colorability, and scratch resistance, can be provided.

Abstract: Lighting module disclosed in an embodiment of the invention, a substrate; a plurality of light emitting devices disposed on the substrate; a first reflective layer disposed on the substrate; a resin layer disposed on the first reflective layer and the light emitting device; and a second reflective layer disposed on the resin layer, wherein the resin layer is a front side surface on which light generated from the plurality of light emitting devices is emitted, a rear side surface facing the front side surface, and first and second side surfaces connecting the front side surface and the rear side surface with each other.

Abstract: A blower may include a base, a case provided above the base and having an air inlet and an air outlet, a fan provided inside the case, a rotating plate connected to the case and provided to be rotatable above the base, a motor to rotate the rotating plate, and a bearing provided between the rotating plate and the base, fixed to the rotating plate, and supported movably on the base.

Abstract: A wireless power transmission apparatus includes: a transmission coil configured to transmit power to a wireless power reception apparatus, an inverter that includes a plurality of switching elements and that is configured to output a current of a predetermined frequency to the transmission coil through an operation of the plurality of switching elements, and a controller. The controller can be configured to calculate an output level of power transmitted through the transmission coil, determine a load state of the wireless power reception apparatus based on a target level of power transmitted through the transmission coil and the calculated output level, and control the inverter based on the determined load state of the wireless power reception apparatus.

Abstract: A robot includes a microphone configured to receive sound signals, and one or more controllers configured to determine a reference sound pressure level of background noise based on a sound signal received at a first time point via the microphone, detect occurrence of a sound event based on the reference sound pressure level and a sound pressure level of a sound signal received at a second time point via the microphone, recognize an event corresponding to the detected sound event, and control an operation of the robot based on the recognized event.

Abstract: A rotor including a first rotor part and a second rotor part which are disposed in a shaft direction is provided. The first rotor part includes a first rotor core, a plurality of first magnets disposed on an outer circumferential surface of the first rotor core, and a first holder configured to fix the plurality of first magnets. The first holder includes a first body in a cylindrical shape, a first plate which is connected to the first body and configured to cover the plurality of first magnets, and a plurality of first coupling protrusions which protrude from an inner circumferential surface of the first body and are coupled to the first rotor core. A motor is also provided.

Abstract: The present disclosure relates to a porous fluorine-based resin composite membrane having excellent water repellency and oil repellency, and a method for producing the same.

Abstract: The self-driving robot comprises: a loading box including at least one loading space; a communication circuit configured to transmit or receive a signal; an information collection device configured to detect a surrounding environment; a driving device configured to implement movement of the self-driving robot; and a processor configured to control the loading box, the communication circuit, and the information collection device, wherein the processor performs control so that the self-driving robot identifies delivery authority information and position information of an event operator, in response to detecting a delivery event while moving along a moving path, and the self-driving robot determines whether to open the loading box, on the basis of the delivery authority information and the position information.

Abstract: A rotor position detecting apparatus includes a rotor, a stator disposed in correspondence with the rotor and a sensing assembly disposed at one side of the rotor. The sensing assembly includes a substrate, a first magnetic element part and a second magnetic element part disposed on the substrate and a first ground pattern and a second ground pattern disposed on the substrate. The first ground pattern is electrically connected to the first magnetic element part. The second ground pattern is electrically connected to the second magnetic element part, and the first ground pattern is electrically disconnected from the second ground pattern.

Abstract: A sulfur-carbon composite including a porous carbon material; and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.04 to 0.400 cm3/g and a specific surface area of the sulfur-carbon composite is 4.0 to 30 m2/g, and a method for preparing the same.

Abstract: Discussed is a display apparatus including a substrate having a wiring electrode; and a semiconductor light-emitting device that emits light to an upper surface thereof, has a conductive electrode electrically connected to the wiring electrode on a lower surface thereof, and has at least a side surface of which is covered by a passivation layer, wherein the conductive electrode comprises: an insulating region further covered by the passivation layer, and a concave-convex region exposed by the passivation layer and electrically connected to the wiring electrode, a surface of the concave-convex portion being formed with concavity and convexity.

Abstract: According to embodiments according to the present document, merge mode motion vector differences (MMVD) and symmetric motion vector differences (SMVD) may be performed on the basis of reference picture types and, in particular, short-term reference pictures may be used. Accordingly, prediction performance and coding efficiency in an inter prediction mode may be increased.