Abstract: Provided is a display device including a display panel configured to display an image, a scan driver configured to supply a scan signal to the display panel, a level shifter configured to generate gate control signals to drive the scan driver, a power supply configured to supply a voltage to the level shifter, and a timing controller configured to control the level shifter. The level shifter includes a level shifter output setting circuit implemented, so that at least one output channel is selected based on transmission signals supplied from the timing controller and an output state of the selected output channel is selected as a high voltage or a low voltage.

Abstract: A method of manufacturing a film assembly for transferring a light emitting element is provided. The film assembly includes: a base portion; a stamp layer on the base portion; and a protective film on the stamp layer. The method includes: forming a first cutting area in the film assembly comprising exposing at least a portion of the stamp layer; and forming a second cutting area in the film assembly comprising entirely penetrating the film assembly. The forming of the second cutting area is performed after the forming of the first cutting area.

Abstract: A printed circuit board includes an insulating layer and a wiring pattern disposed on or within the insulating layer, wherein the wiring pattern includes a first metal layer, a second metal layer disposed on an upper surface of the first metal layer, and an inorganic oxide film disposed on a side surface of the second metal layer.

Abstract: An inkjet printing apparatus includes a surface acoustic wave module including an inner passage and a surface acoustic wave generator around the inner passage; and an outflow passage connected to the surface acoustic wave module to discharge ink, where the outflow passage includes a first outflow passage connected to the inner passage to discharge first ink particles and a second outflow passage connected to the inner passage to discharge second ink particles having an average diameter smaller than that of the first ink particles, and the surface acoustic wave generator is closer to the second outflow passage than the first outflow passage.

Abstract: A method of transferring a plurality of light emitting elements using a stretching device includes stretching a transfer film disposed on a support portion of the stretching device by a stretching portion, and arranging the plurality of light emitting elements at a first gap on the transfer film. The method further includes reducing an elongation of the transfer film so that the stretching portion disposes the plurality of light emitting elements at a second gap narrower than the first gap, and transferring the plurality of light emitting elements disposed at the second gap on the transfer film to a substrate.

Abstract: A printed circuit board includes a wiring portion including one or more insulating layers, one or more wiring layers respectively disposed on or in the one or more insulating layers, a first pad disposed on a lowermost insulating layer, of the one or more insulating layers, and a second pad disposed on an uppermost insulating layer, of the one or more insulating layers, a first solder resist layer disposed on a lower side of the wiring portion to cover at least a portion of the first pad, the first solder resist layer having a first opening, on the first pad, a second solder resist layer disposed on an upper side of the wiring portion to cover at least a portion of the second pad, a first surface treatment layer disposed on at least a portion of the first pad, and a barrier layer disposed on the first solder resist layer.

Abstract: A lighting device including at least one first light source configured to emit a visible light through a first light emitting surface, at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface, and a housing having a bottom portion, on which the first and second light sources are disposed. The housing can include at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area, in which the first and second light emitting surfaces face substantially the same direction, and both the first light emitting surface and the second light emitting surface can be disposed at a different elevation from the bottom portion of the housing.

Abstract: A discharging nozzle assembly and a bidet including the same are disclosed.

Abstract: A system for managing a disaster based on a grid and an operating method of the system are disclosed. The operating method includes generating one or more models respectively corresponding to one or more sensors, acquiring and storing one or more of one or more pieces of sensing information sensed by the one or more sensors, event information determined based on the one or more pieces of sensing information, and status information of the one or more sensors, in the one or more models, based on multidimensional spatial information based on a grid on which the one or more sensors are disposed, information stored in the one or more models, and disaster information related to the multidimensional spatial information, creating grid-based data to monitor a disaster situation associated with the information stored in the one or more models and/or the multidimensional spatial information, and outputting the created grid-based data.

Abstract: A filter member including a cylinder part extending in one direction, a filter hollow part which is formed inside the cylinder part to pass through along the one direction and allows the inside of the cylinder part to be in communication along the one direction, and a filtering part disposed to surround the cylinder part from radially outside and configured to filter raw water flowing through the filter hollow part.

Abstract: The present invention relates to a process of recovering an alkali metal sulfate, comprising: forming an organic acid fermentation liquid containing an alkali metal salt of organic acid; and adding sulfuric acid to the organic acid fermentation liquid to form and recover an alkali metal sulfate, wherein the alkali metal sulfate has a radioactivity concentration index of 1 or less, and to an alkali metal sulfate crystal comprising a predetermined peak in an X-ray diffraction spectrum (XRD) and having a radioactivity concentration index of 1 or less.

Abstract: A composite filter and a water purifier having the composite filter are provided. The composite filter includes: a cover cap in which a first inner space is formed; a lower filter structure including a lower filter; a connection tube in which a first connection tube space and a second connection tube space are formed; a housing body in which a second inner space is formed; an upper filter structure which divides the second inner space into a first housing body space and a second housing body space and includes an upper filter; and a housing head including a first water inlet port, a first water outlet port, a second water inlet port, and a second water outlet port.

Abstract: A bidet includes: a main body; a board unit disposed inside the main body and including a printed circuit board for mounting an electronic device thereon; and a cleaning agent container that contains a cleaning agent and is detachably inserted into the main body. The cleaning agent container is formed in an approximately square shape when viewed from above, and the cleaning agent container is located adjacent to the board unit when mounted to the main body.

Abstract: An inkjet printing apparatus may form a material layer on a substrate. The inkjet printing apparatus includes a stage, an ink-receiving member, and an inkjet head. The stage may support the substrate. The inkjet head overlaps at least one of the stage and the ink-receiving member, may provide a first set of ink to the substrate, and may provide a second set of ink to the ink-receiving member when the substrate is supported by the stage.

Abstract: A lighting device including at least one first light source configured to emit a visible light through a first light emitting surface, at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface, and a housing having a bottom portion, on which the first and second light sources are disposed. The housing can include at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area, in which the first and second light emitting surfaces face substantially the same direction, and both the first light emitting surface and the second light emitting surface can be disposed at a different elevation from the bottom portion of the housing.

Abstract: An inkjet printing apparatus according to an embodiment includes a stage where a target substrate is disposed, and an inkjet head that discharges ink on the target substrate. The inkjet head includes a tank that stores the ink, nozzles that are provided on the tank and discharge the ink, and a damper that is disposed in the tank, and the damper comprises a protruding portion that protrudes toward the nozzles from the damper.

Abstract: An apparatus and method for detecting smoke using multi-angle light scattering. The apparatus includes a light source array in which a plurality of light sources outputting optical signals of a same wavelength are arranged at a regular interval and configured to output the optical signals at different irradiation angles to smoke particles, a lens configured to divert optical paths of the optical signals output from each of the plurality of light sources included in the light source array, an optical detector configured to measure the optical signals that pass through the lens and are scattered and absorbed by the smoke particles, and a computing device configured to classify types of the smoke particles using a scattering coefficient and an absorption coefficient of the smoke particles determined through the measured optical signals.

Abstract: A filter assembly includes a housing having an accommodation space formed therein so as to communicate with an external raw water supply unit and a purified water discharge unit, respectively; a filter unit formed to extend from one direction toward the other direction and accommodated in the accommodation space of the housing such that raw water supplied from the external raw water supply unit is filtered, thereby generating purified water; and a cover unit accommodated in the accommodation space of the housing so as to support the filter unit.

Abstract: A transfer substrate according to an embodiment includes a base substrate, a magnetic plate disposed on a surface of the base substrate, a mold disposed on another surface of the base substrate and including a plurality of grooves, and a magnetic body disposed in the plurality of grooves of the mold.

Abstract: The present invention relates to a 3-hydroxypropionate crystal which comprises an alkali metal salt of 3-hydroxypropionic acid or a hydrate thereof, and comprises a first peak at a predetermined diffraction angle (2?±0.2°) in an X-ray diffraction spectrum (XRD), a method for preparing the same, and a process of recovering 3-hydroxypropionic acid.