Abstract: A battery cell of the present disclosure includes an electrode assembly including a cathode, an anode, and a separator; an exterior material accommodating the electrode assembly therein; a notch portion recessed from an inner surface of the exterior material toward the outside and provided in the form of a groove; and a protrusion portion corresponding to the notch portion on an outer surface of the exterior material provided in an opposite direction of the inner surface and protruding toward the outside.

Abstract: An apparatus for estimating a vehicle speed includes: a vehicle information receiving unit for receiving driving information of a vehicle, including wheel speed, motor torque, and longitudinal acceleration of the vehicle; a wheel slip determining unit for determining whether wheel slip occurs; a longitudinal acceleration correction unit correcting the longitudinal acceleration received from the vehicle information receiving unit; and a vehicle speed estimation unit for estimating a vehicle speed using the wheel speed or the corrected longitudinal acceleration according to the determination result of the wheel slip determining unit.

Abstract: The present disclosure relates to a transmission of an agricultural vehicle, the transmission including: a forward shift unit for performing shift with respect to drive transmitted from an engine of an agricultural vehicle; a clutch unit connected to the forward shift unit so as to selectively output drive transmitted from the forward shift unit; an adjustment unit connected to the clutch unit; and a backward shift unit connected to the adjustment unit so as to perform shift with respect to drive transmitted from the adjustment unit. The adjustment unit includes: a first adjustment mechanism connected to a first clutch mechanism included in the clutch unit; a second adjustment mechanism connected to a second clutch mechanism included in the clutch unit; and an integration mechanism connected to both the first adjustment mechanism and the second adjustment mechanism. The backward shift unit includes one backward shift mechanism connected to the integration mechanism.

Abstract: An optical display apparatus includes a liquid crystal panel and a viewer-side polarizing plate stacked on a surface of the liquid crystal panel, and the liquid crystal panel includes a liquid crystal layer having a pre-tilt angle of 2° to 5°, and the viewer-side polarizing plate includes a first retardation layer including a positive A layer, a second retardation layer including a positive C layer, and a polarizer sequentially stacked from the liquid crystal panel, and satisfies Equation 1.

Abstract: A display device includes a display panel sliding in a first direction. A panel storage compartment is configured to accommodate the display panel therein and to assist a sliding operation of the display panel in the first direction. A plurality of segments are attached to a lower surface of the display panel, each of the plurality of segments are extended in a second direction intersecting the first direction, and are spaced apart from one another in the first direction. Bearings are disposed inside the plurality of segments and are at least partially exposed by the plurality of segments. The panel storage compartment includes guide rails engaged with the bearings.

Abstract: A water purifier having a composite filter is able to discharge residential water in addition to being able to take in raw water and output purified water, and is integrated with a reverse osmosis filter member (spiral filter member).

Abstract: A control method of a clothing treatment device including a cabinet forming an exterior, a tub provided in the cabinet and configured to store water, a drum provided to the tub in a rotatable manner and configured to receive clothing, a drainage unit configured to drain water from the tub, and a driving unit configured to rotate the drum is provided that includes a clothing amount sensing operation of sensing a weight of clothing, a water supply operation of supplying water to the tub a first dehydration operation of maintaining at least a portion of the supplied water and rotating the drum while drainage is stopped, and a second dehydration operation of rotating the drum at a drum rotation speed higher than a maximum drum rotation speed in the first dehydration operation, and the drainage is performed in at least a portion of periods after the first dehydration operation.

Abstract: An embodiment of the present invention provides a catalyst with maximized activity and stability through synthesizing carbon quantum dots with transition metal elements introduced based on carbon compound monomers containing nitrogen elements that have excellent bonding ability with transition metals. By introducing low-cost transition metal atoms into nano carbon quantum dots (CQDs), a type of highly stable carbon nanostructure, the activity and stability of the hydrogen generation catalyst reaction through water electrolysis are simultaneously increased, so that an economical, highly active, highly stable catalyst for electrochemical hydrogen generation reaction can be manufactured.

Abstract: An embodiment of the disclosure provides an electrochemical catalyst composite and a method of producing the same. The electrochemical catalyst composite according to an embodiment of the disclosure is a hybrid material having a heterojunction structure between metal phosphide with controlled crystal strain and the MXene, in which metal phosphide produced by a synergy effect between the two materials prevents an overlapping phenomenon caused by the van der Waals force of the two-dimensional MXene material and increases a surface area, thereby having an effect on increasing reaction active points. Further, metal phosphide material with the controlled strain causes an electron structure of an element in the MXene support to be rearranged, thereby inducing change in an electrical structure.

Abstract: An example image forming apparatus includes a power device, a photosensitive drum, a transfer device to remove remaining toner based on a cleaning bias voltage, an optical sensor to detect remaining toner, and a processor to adjust the cleaning bias voltage based on a set offset bias voltage. The processor may change a surface potential of the photosensitive drum to a voltage of a set pattern using the power device, acquire a size ratio of a periodic component based on a frequency of a signal detected from the remaining toner using the optical sensor, and, based on the acquired size ratio of the periodic component being greater than or equal to a set size ratio, adjust the cleaning bias voltage based on an offset bias voltage corresponding to the size ratio of the periodic component and provide the adjusted cleaning bias voltage to the transfer device to remove remaining toner.

Abstract: A method of manufacturing a semiconductor device is provided. The method may include forming a stack, forming a preliminary stepped structure by patterning the stack, forming a first stepped structure, a second stepped structure, and an opening located between the first stepped structure and the second stepped structure by etching the preliminary stepped structure, forming a passivation layer that fills the opening and covers the first stepped structure, and forming a third stepped structure by etching the second stepped structure using the passivation layer as an etching barrier.

Abstract: A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a stack of retardation layers on a surface of the polarizer, and the stack of retardation layers includes a second retardation layer and a first retardation layer stacked on the polarizer in sequence from the surface of the polarizer, the second retardation layer being a non-liquid crystal layer, and the stack of retardation layers has an out-of-plane retardation of ?40 nm or more to less than 0 nm at a wavelength of 550 nm and satisfies Relation 1.

Abstract: A hair dye dispenser according to an embodiment of the present invention includes a housing having an opening hole formed on one side of which a hair dye is provided, a plurality of cartridges disposed inside the housing and accommodating at least one dyeing material, a main body in which the plurality of cartridges are rotatably disposed, a main motor for rotating the main body so that a first cartridge of the plurality of cartridges is located adjacent to the opening hole, a discharge module for discharging the dyeing material contained in the first cartridge, and an accommodating body in which a basket accommodating the dyeing material discharged by the discharge module is placed, wherein the discharge module may include an elevating body that pressurizes the first cartridge when moving up and is separated from the first cartridge when moving down.

Abstract: The embodiments relate to a polyamide-imide film excellent in optical properties and mechanical properties, to a process for preparing the same, and to a cover window and a display device comprising the same. There are provided a polyamide-imide film, which comprises a polyamide-imide polymer and has a reduced modulus of a top surface measured by the nanoindentation method according to the ISO 14577-2 standard of 5.6 GPa or more and a haze of 1% or less, a process for preparing the same, and a cover window and a display device comprising the same.

Abstract: A monomer composition for preparing superabsorbent polymer is presented. The superabsorbent polymer is subsequently incorporated into an absorbent article. The monomer composition for preparing the superabsorbent polymer of the present disclosure has rapid polymerization speed and thus can minimize bubble loss during blowing polymerization, therefore it can provide superabsorbent polymer having excellent absorption speed. The superabsorbent polymer prepared from the monomer composition for preparing superabsorbent polymer has high gel strength and thus maintains its shape well even after moisture absorption, thus it may exhibit excellent absorption performance in spite of external pressure.

Abstract: The present disclosure relates to a transmission of an agricultural vehicle, the transmission including: a forward shift unit for performing shift with respect to drive transmitted from an engine of an agricultural vehicle; a clutch unit connected to the forward shift unit so as to selectively output drive transmitted from the forward shift unit; an adjustment unit connected to the clutch unit; and a backward shift unit connected to the adjustment unit so as to perform shift with respect to drive transmitted from the adjustment unit. The adjustment unit includes: a first adjustment mechanism connected to a first clutch mechanism included in the clutch unit; a second adjustment mechanism connected to a second clutch mechanism included in the clutch unit; and an integration mechanism connected to both the first adjustment mechanism and the second adjustment mechanism. The backward shift unit includes one backward shift mechanism connected to the integration mechanism.

Abstract: Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising a polarizer and a protective layer formed on at least one surface of the polarizer, wherein: the polarizing plate comprises a first area and a second area formed within an image display area; the first area and the second area have different single transmittances in the same wavelength; and the first area has a single transmittance of 45% to 85%, a maximum absorbance of 1.0 to 5.0 in a wavelength in a range from about 270 nm to about 325 nm, a maximum absorbance of 0.5 to 4.0 in a wavelength which exceeds about 325 nm and is lower than or equal to 420 nm, and a maximum absorbance of 0.5 or less in a wavelength in a range from about 500 nm to about 800 nm.

Abstract: A display device includes a display panel sliding in a first direction. A panel storage compartment is configured to accommodate the display panel therein and to assist a sliding operation of the display panel in the first direction. A plurality of segments are attached to a lower surface of the display panel, each of the plurality of segments are extended in a second direction intersecting the first direction, and are spaced apart from one another in the first direction. Bearings are disposed inside the plurality of segments and are at least partially exposed by the plurality of segments. The panel storage compartment includes guide rails engaged with the bearings.

Abstract: In a system for automatically manufacturing a pipe spool, when information on a pipe spool is input to a control unit, manufacturing of a spool pipe by cutting an original pipe, processing of a spool pipe, processing of a connection member, manufacturing of a straight pipe spool by welding a spool pipe to a connection member, and manufacturing a three-dimensional spool by welding a straight pipe spool to the other straight pipe spool or a connection member may be automatically performed by a sensor, an automatic device or a robot included in each process and the control unit connected to each of the devices.

Abstract: A composite polishing pad for chemical mechanical polishing (CMP) and a method for producing the composite CMP. The composite polishing pad for CMP contains a polymer substrate layer including a plurality of protrusions formed on the upper surface thereof; and a carbon nanotube layer including carbon nanotubes embedded in and fixed to the upper portion of the substrate layer.