Abstract: A gas detection device comprises a pump module for drawing in air; a sensor module including a plurality of unit sensors detecting a gas included in the air; a driving module driving the pump module and the sensor module; and a case including a main body mounted to allow at least one among the pump module, the sensor module, and the driving module to be detachable and a cover connected to the main body to allow the at least one among the pump module, the sensor module, and the driving module to be exposed.

Abstract: Provided are a negative electrode active material including a three-dimensional composite. The three-dimensional composite includes secondary particles containing a silicon carbide-based (SiCx, 0<x?1) nanosheet having a bent portion and amorphous carbon. Also provided are a method of producing the same, and a negative electrode and a lithium secondary battery including the negative electrode active material.

Abstract: A direct water purifier includes a first filter for filtering water introduced through a first flow path; a second filter for receiving the water supplied from the first filter through a second flow path and filtering the same; a first valve disposed in the second flow path to control water flow; a pump disposed in the second flow path to supply water having a predetermined hydraulic pressure or higher to the second filter; a third filter for receiving the water supplied from the second filter through a third flow path and filtering the same; a heating part for receiving the water supplied from the third filter and heating the same to a predetermined temperature; and a flushing valve disposed in a flushing flow path through which concentrated water is discharged from the second filter, wherein the flushing valve is opened during operation of the heating part.

Abstract: A direct water purifier includes a first filter for filtering water introduced through a first flow path; a second filter for receiving the water supplied from the first filter through a second flow path and filtering the same; a first valve disposed in the second flow path to control water flow; a pump disposed in the second flow path to supply water having a predetermined hydraulic pressure or higher to the second filter; a third filter for receiving the water supplied from the second filter through a third flow path and filtering the same; a heating part for receiving the water supplied from the third filter and heating the same to a predetermined temperature; and a flushing valve disposed in a flushing flow path through which concentrated water is discharged from the second filter, wherein the flushing valve is opened during operation of the heating part.

Abstract: Provided is a water purifier comprising: a filter unit filtering water supplied from a water source, including a reverse osmosis filter; a discharge unit discharging water filtered by the filter unit externally; a flushing portion connected to the reverse osmosis filter; and a controller configured to flow water filtered by the reverse osmosis filter to the flushing portion, and to flush the reverse osmosis filter.

Abstract: A display device includes a substrate, a plurality of electrode pads including a first electrode pad and a common electrode pad on the substrate, a light emitting element including a first contact electrode on the first electrode pad and a second contact electrode on the common electrode pad, a conductive adhesive member including a plurality of conductive balls connecting the first electrode pad and the first contact electrode and connecting the common electrode pad and the second contact electrode, and a plurality of protrusions on the substrate and protruding in a thickness direction of the substrate. First protrusions from among the plurality of protrusions overlap the electrode pads in the thickness direction of the substrate.

Abstract: A display device, and a tile-shaped display device including the same are provided. The display device includes a transistor array layer on a first surface of a substrate, and a plurality of light emitting elements on the transistor array layer. The transistor array layer includes a plurality of pixel drivers and two or more gate drivers in a circuit area of a display area, a first gate voltage supply line around the circuit area, and two or more first gate voltage auxiliary lines connected between the first gate voltage supply line and each of the two or more gate drivers. One end of each of the two or more first gate voltage auxiliary lines is spaced from an edge of the substrate adjacent to the first gate voltage supply line than the first gate voltage supply line.

Abstract: A display device comprises anode electrodes respectively corresponding to sub-pixels, cathode electrodes respectively corresponding to the sub-pixels and respectively spaced apart from the anode electrodes, a cathode line electrically connected to the cathode electrodes, anode pads respectively overlapping the plurality of anode electrodes in a plan view, cathode pads respectively overlapping the cathode electrodes in a plan view, and a cathode line pad overlapping at least part of the cathode line in a plan view.

Abstract: A display device comprises a signal line on a first surface of a substrate, a lightemitting element on the signal line and comprising a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, a connection line on a second surface of the substrate and electrically connected to the signal line, and conductive lines on the second surface of the substrate and separated from the connection line. The conductive lines comprise a first conductive layer and a second conductive layer covering the first conductive layer.

Abstract: Provided is a water purifier that includes a filtering unit for producing purified water by filtering influent water; a TDS measuring unit for measuring the total dissolved solids (TDS) in the water flowing into the filtering unit; a purified water passage through which the purified water is discharged; a concentrated water passage through which concentrated water, filtered by the filtering unit, is discharged; a concentrated water flow control valve for controlling the flow rate of the concentrated water discharged through the concentrated water passage; and a control unit for adjusting the degree of opening and closing of the concentrated water control valve, on the basis of the TDS and the pressure of the water flowing into the filtering unit.

Abstract: A vortex tube according to an embodiment of the present disclosure includes a cold and heat separation chamber; a cold air outlet provided at an end of the cold and heat separation chamber, a generator provided between the cold air outlet and the cold and heat separation chamber, a hot air outlet provided at another end of the cold and heat separation chamber and including a hot air adjusting valve, and an outer tube cover having a compressed air inlet and surrounding the cold and heat separation chamber at a predetermined gap while blocking the cold and heat separation chamber at an outside thereof, so that introduced compressed air can be supplied into the generator, wherein the compressed air flowing through the compressed air inlet generates rapid rotating wind by passing through the generator to be moved into the cold and heat separation chamber to separate cold and heat from each other.

Abstract: Provided is a water purifier that includes a filtering unit for producing purified water by filtering influent water; a TDS measuring unit for measuring the total dissolved solids (TDS) in the water flowing into the filtering unit; a purified water passage through which the purified water is discharged; a concentrated water passage through which concentrated water, filtered by the filtering unit, is discharged; a concentrated water flow control valve for controlling the flow rate of the concentrated water discharged through the concentrated water passage; and a control unit for adjusting the degree of opening and closing of the concentrated water control valve, on the basis of the TDS and the pressure of the water flowing into the filtering unit.

Abstract: A spacing member for a box according to an embodiment of the present disclosure prevents damage to a packaged article. A spacing member for a box according to an embodiment of the present disclosure includes a base, an upper wing, a lower wing, a left wing, and a right wing that extend from the base, in which the wings each have a first section extending outward from the base, a second section extending outward from the first section, and a sub-folding portion formed such that the second section can be folded with respect to the first section.

Abstract: A water purifier according to an embodiment of the present invention comprises: a filtering unit for producing purified water by filtering influent water; a TDS measuring unit for measuring the total dissolved solids (TDS) in the water flowing into the filtering unit; a purified water passage through which the purified water is discharged; a concentrated water passage through which concentrated water, filtered by the filtering unit, is discharged; a concentrated water flow control valve for controlling the flow rate of the concentrated water discharged through the concentrated water passage; and a control unit for adjusting the degree of opening and closing of the concentrated water control valve, on the basis of the TDS and the pressure of the water flowing into the filtering unit.

Abstract: According to one embodiment of the present invention, a control method for a water purifier comprises the steps of: filtering inflowing water so as to generate purified water; extracting the generated purified water; measuring the flow rate of the purified water extracted per unit time; flushing a filter part by using purified water generated in the filter part, when the extraction of the purified water is complete; and draining the flushed water to the outside through a residential water outlet of the filter part, wherein, in the purified water generation step, discharging of residential water generated in the purified water generation step is blocked according to the accumulated flow rate during a one-time extraction of the purified water, calculated on the basis of the flow rate of the purified water.

Abstract: Provided is a water purifier comprising: a filter unit filtering water supplied from a water source, including a reverse osmosis filter; a discharge unit discharging water filtered by the filter unit externally; a flushing portion connected to the reverse osmosis filter; and a controller configured to flow water filtered by the reverse osmosis filter to the flushing portion, and to flush the reverse osmosis filter.

Abstract: A semiconductor package may include a first semiconductor chip on and electrically connected to a wiring substrate, an intermediate layer on the first semiconductor chip and covering an entire surface of the first semiconductor chip, a second semiconductor chip on the intermediate layer and electrically connected to the wiring substrate, a mold layer on the wiring substrate and covering the first semiconductor chip and the second semiconductor chip, the mold layer including one or more inner surfaces defining a mold via hole that exposes a portion of a surface of the intermediate layer, an electromagnetic shielding layer on the one or more inner surfaces of the mold layer and further on one or more outer surfaces of the mold layer, and a thermal discharge layer on the electromagnetic shielding layer in the mold via hole, such that the thermal discharge layer fills the mold via hole.

Abstract: A direct water purifier comprises: a first filter for filtering water flowing in through a first flow path; a second filter receiving, through a second flow path, and filtering the water filtered by the first filter; a first valve, provided on the second flow path; a pump, provided on the second flow path, for supplying, to the second filter, water at a water pressure equal to or greater than a preset water pressure; a third filter receiving, through a third flow path, and filtering the water filtered by the second filter; a second valve, provided on the third flow path, for decreasing a pressure in the flow path; a third valve, provided at a rear end of the second valve, for preventing a backflow of the water; and a heating unit receiving the water filtered by the third filter and heating the water to a preset temperature.

Abstract: A direct water purifier includes a first filter for filtering water introduced through a first flow path; a second filter for receiving the water supplied from the first filter through a second flow path and filtering the same; a first valve disposed in the second flow path to control water flow; a pump disposed in the second flow path to supply water having a predetermined hydraulic pressure or higher to the second filter; a third filter for receiving the water supplied from the second filter through a third flow path and filtering the same; a heating part for receiving the water supplied from the third filter and heating the same to a predetermined temperature; and a flushing valve disposed in a flushing flow path through which concentrated water is discharged from the second filter, wherein the flushing valve is opened during operation of the heating part.

Abstract: An electrodeionization filter includes: a housing having a water inlet and a water outlet; a first electrode installed inside the housing in a spiral shape; a second electrode installed inside the housing in a spiral shape so as to be spaced apart from the first electrode; and an ion exchange module installed between the first electrode and the second electrode for adsorbing or desorbing ionic substances contained in water introduced by an application of electricity. At least one of the first electrode and the second electrode has a structure in which a center portion thereof is denser than a peripheral region thereof. Accordingly, the lifespan of the electrodes of the electrodeionization filter can be increased, and the assembly of the electrodes and related parts can be easily facilitated.