Abstract: A handheld air purifier may include a suction body provided with a fan to suction air and a filter to filter foreign matter from the sucked air, a handle extending from the suction body, and an agitator provided in the suction body to loosen or scatter dust from a garment. The handheld air purifier may be configured to be attached to and detached from a main air purifier, and the main air purifier may suction dust off the handheld air purifier and sterilize the handheld air purifier when the handheld air purifier is mounted on the main air purifier. The agitator of the handheld air purifier may have a striking member exposed through a lower surface of the suction body, and may move out of and into the suction body to strike the garment so that the dust may be loosened and suctioned into the suction body and filtered by the filter.

Abstract: An air purifying system includes first, second, and third air purifiers controlled independently and a docking station having first, second, and third supports configured to support and charge the first, second, and third air purifiers. The docking station has a vertical backbone, and the first, second, and third supports horizontally extend from the backbone. At least the second and third air purifiers are configured to be separated from the docking station and include handles to assist a user in transporting the second and third air purifiers to separate rooms or indoor spaces.

Abstract: An organic light-emitting device includes a condensed cyclic compound represented by Formula 1, where at least one of X4 to X11 is C(Rx), and Rx is a group represented by Formula 2: The condensed cyclic compound represented by Formula 1 has a planar conformation because of the single bond linking the 8 and 8? positions of the spirobifluorene moiety. Accordingly, the condensed cyclic compound may provide the organic light-emitting device with suitable hole mobility and thermal stability.

Abstract: A light-emitting device and an electronic apparatus including the light-emitting device include a novel condensed cyclic compound represented by Formula 1, in which Z1 is a group represented by Formula 2. The condensed cyclic compound represented by Formula 1 may have a high glass transition temperature (Tg) and/or a high melting point, and may thus provide high durability during storage and driving.

Abstract: A handheld air purifier may include a suction body provided with a suction surface having a first and second frame, a fan to suction air, and a filter to filter suctioned air, a bending portion extending rearward from the suction body to bend upward, and a handle extending further from the bending portion and held by the user. The second frame may be provided behind the first frame and may include a protrusion that penetrates through the first frame to create a gap between the suction surface and a garment being treated to promote a free airflow through the handheld air purifier.

Abstract: A luminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region contains a nitrogen-containing compound represented by Formula 1, and thus, the luminescence device may exhibit long lifespan and high efficiency. The substituents are the same as described in the detailed descriptions.

Abstract: A light emitting diode of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.

Abstract: An air purifying system includes a robot cleaner configured to generate map information during vacuum cleaning and at least one air purifier that is operated based on the generated map information. Air purifying is performed using updated map information acquired by the robot cleaner during cleaning. The at least one air purifier includes two portable air purifiers mounted on a base air purifier. The two portable air purifiers are configured to be lifted from the base air purifier and moved to separate indoor rooms. The base air purifier includes a controller that determines, based on the generated map information and other information, which rooms the two portable air purifiers should be placed in so that air purifying may be efficient.

Abstract: A method for providing data associated with a shopping mall web page includes accessing a review item written by a user ID in association with the shopping mall web page, the review item including an image and a text; detecting at least one target object from the image included in the review item; processing the detected target object to generate first feature data; processing a reference object included in the shopping mall web page to generate second feature data corresponding to the reference object; and outputting verification data indicating a result of verification for the review item by comparing the first feature data, generated by processing the target object, with the second feature data, generated by processing the reference object.

Abstract: One embodiment of the present invention provides a flexible neural electrode having improved adherence to an object by using a three-dimensional structure.

Abstract: An air purifier includes a filter, a fan to suction air through the filter, a first case configured to cover the filter and the fan, and a second case overlapping with the first case. The first and second cases may be moveable in a vertical direction such that the second case may be raised to lengthen the air purifier and the first case may be raised to expose the filter for replacement. The second case may be provided outside of the first case and have a side discharge grill and a top discharge grill, which may each be selectively opened and closed.

Abstract: An air purifying system may include at least two air purifiers configured to operate independently and a docking station to support the at least two air purifiers. The docking station may include a backbone extending in a vertical direction and at least two supports corresponding to and supporting the at least two air purifiers. At least one air purifier may have a display configured to operate according to a plurality of modes. When the air purifier having the display is docked on the docking station, the display may indicate overall operating information of the entire air purifying system. When the air purifier having the display is separated from the docking station, the display may indicate individual operating information of the air purifier having the display.

Abstract: An air purifying system may include a main air purifier that has a flat upper surface configured to support at least two cylindrical portable air purifiers. Each of the main and portable air purifiers may have a fan to suction air and a filter to filter suctioned air. The upper surface of the main air purifier may include a seating groove, an elastic member provided in the seating groove, and a seating plate resting on top of the elastic member. When a portable air purifier is seated on the seating groove, the elastic member may be compressed and the seating plate may be lowered such that the portable air purifier may be supported within an inner wall of the seating groove. When the portable air purifier is removed from the seating groove, the elastic member may expand and raise the seating plate back to an initial position.

Abstract: In a wave focusing device and a wave emitting device having the wave focusing device, the wave focusing device has a plurality of filters and focuses a wave by a phase overlap. The plurality of filters includes a first filter formed on a substrate, a second filter formed on the substrate and overlapping with the first filter in a first area, and a third filter formed on the substrate and overlapping with the second filter in a second area. A size of the first area is substantially same as that of the second area. A first portion of the second filter in the first area is inverted to a second portion of the second filter in the second area, with respect to a first axis. A wave passing through the wave focusing device is focused at a center of each of the first, second and third filters.

Abstract: According to an aspect, a method of preparing quantum dots includes a first operation of preparing a quantum dot seed solution; a second operation of growing a quantum dot by continuously injecting a quantum dot cluster solution into the quantum dot seed solution; a third operation of separating the grown quantum dot and dispersing the quantum dot in a solvent; and a fourth operation of further growing the quantum dot by continuously injecting the quantum dot cluster solution into the dispersed quantum dot.

Abstract: Provided is a light-emitting element including a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode and including an amine compound represented by Formula 1. The light-emitting element may exhibit excellent light-emitting efficiency and improved service life characteristics.

Abstract: A thienopyridine derivative compound represented by Formula 1 or pharmaceutically acceptable salts thereof have an excellent inhibitory effect on protein kinase activity, and accordingly, pharmaceutical compositions containing the thienopyridine compound can be usefully used for the prevention or treatment of a disease associated with the activity of a protein kinase.

Abstract: A thienopyridine derivative compound of Formula 1 or pharmaceutically acceptable salts thereof have an excellent inhibitory effect on protein kinase activity, and accordingly, pharmaceutical compositions containing the thienopyridine compound can be usefully used for the prevention or treatment of a disease associated with the activity of a protein kinase. Therefore, a use of the compound or a pharmaceutically acceptable salt thereof in treating a disease associated with an activity of a protein kinase in a subject in need thereof is disclosed.

Abstract: A light-emitting device including an amine-based compound, an electronic apparatus including the light-emitting device, and an amine-based compound represented by Formula 1 are provided: wherein the detailed description of Formula 1 is the same as described in the present specification.

Abstract: A method for recommending a color of a home appliance is provided. The method includes providing a plurality of panel graphic objects corresponding to each of a plurality of panels of the home appliance, providing a plurality of color graphic objects each representing a plurality of colors, receiving a selection for one of the plurality of color graphic objects, applying a color represented by the selected color graphic object to one of the plurality of panel graphic objects, and providing information on a color scheme corresponding to the color represented by the selected color graphic object.