Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.

Abstract: A pipe- or tube-shaped article having an innermost layer, wherein the innermost layer has a thickness of 0.001 to 100 mm and comprises a polyolefin composition comprising a) a propylene-ethylene copolymer, wherein the amount of repeat units derived from ethylene is 1 to 20 wt % based on the weight of the propylene-ethylene copolymer and wherein the propylene-ethylene copolymer has a density of at most 0.9 g/cm3 as determined by ASTM D1505 and b) an olefin polymer selected from high-density polyethylene (HDPE), linear low density polyethylene (LLDPE), polypropylene (PP) and combinations thereof.

Abstract: A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, a composition including the compound, an organic optoelectronic device, and a display device are disclosed. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as described in the specification.

Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.

Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.

Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.

Abstract: The present disclosure relates to a tantalum carbide coating material, and more specifically, to a tantalum carbide coating material comprising: a carbon substrate; and a tantalum carbide coating formed on the carbon substrate, wherein a thermal expansion coefficient difference between the carbon substrate and the tantalum carbide coating is 1.0×10?6/° C. or more.

Abstract: Machine-learning-based, adaptive updating of quantitative data in a database system is provided, which includes training one or more machine learning models to facilitate adaptively updating quantitative data in the database system, and ascertaining an update urgency index for updating the quantitative data for one or more data structures of the database system. The update urgency index is representative of an urgency for updating the quantitative data for the data structure(s) and is based, at least in part, on real-time query metrics. The machine learning model(s) is used to adaptively update the quantitative data, where the adaptively updating is based, at least in part, on the ascertained update urgency index. Processing of a database query is optimized in the database system using the adaptively updated quantitative data.

Abstract: Provided is a system for predicting a vent occurrence time of a battery cell, which includes a terrace portion having a sealing portion and provided on at least one side of a pouch type battery case and an electrode lead protruding from an end of the terrace portion, the system including a storage unit for collecting data about vent occurrence times according to widths of a remaining sealing portion, a measurement unit for periodically measuring a width of a remaining sealing portion of the battery cell to be measured, and a determination unit for predicting a vent occurrence time of the battery case to be measured by comparing a measured width of the remaining sealing portion with the collected data.

Abstract: A semiconductor device includes a semiconductor substrate and a connection terminal, including a base pillar, on the semiconductor substrate. An insulation layer is formed on the semiconductor substrate, the insulation layer including an opening in the insulation layer through which the base pillar extends, wherein a side wall of the insulation layer defining the opening includes a horizontal step at a level that is lower than an uppermost portion of the base pillar.

Abstract: A flexible printed circuit board for pouch cell internal pressure measurement includes a sensing part on which a pressure sensor is mounted; a board part provided with connector pins connected to a plurality of conductor lines, respectively; and an extension part extending from the sensing part to the board part. The extension part includes a protective sheath of a metal material that surrounds an outer surface of an insulating film in a predetermined section.

Abstract: Computer technology for use in a computer system including a database system including a database management sub-system, a primary database and a secondary database, with the secondary database being maintained at least approximately in synchronization with the primary database over time as changes are made to data of the primary database (for example, a database system that includes disaster recovery (DR) features). A statistics update is performed first on a standby database to determine whether query efficiency and/or query optimization really will be substantially improved by performance of the statistics update. If not, then statistics update on the primary database is postponed until a future time.

Abstract: The present disclosure relates to a substrate connector comprising a plurality of radio frequency (RF) contacts for RF signal transmission; an insulation unit for supporting the RF contacts; a plurality of transmission contacts coupled to the insulation unit between a first RF contact and a second RF contact so the first RF contact of the RF contacts and the second RF contact of the RF contacts are spaced from each other in a first axial direction; a ground housing to which the insulation unit is coupled; a first ground contact which is coupled to the insulation unit; and a second ground contact which is coupled to the insulation unit, wherein the first RF contact includes a first RF inspection plane with which an inspection instrument is to come in contact, and the second RF contact includes a second inspection plane with which the inspection instrument is to come in contact.

Abstract: A display device including a display panel, a circuit board connected to the display panel, and a flexible circuit film which connects the display panel to the circuit board, the flexible circuit film being bendable. The circuit board includes an electronic component, a first area at which the circuit board is connected to the flexible circuit film, and a second area which is adjacent to the first area and corresponds to the electronic component. The flexible circuit film which is bent disposes the first area of the circuit board overlapping the display panel, together with both the second area of the circuit board and the electronic component non-overlapping the display panel, along a thickness direction of the display device.

Abstract: Machine-learning-based, adaptive updating of quantitative data in a database system is provided, which includes training one or more machine learning models to facilitate adaptively updating quantitative data in the database system, and ascertaining an update urgency index for updating the quantitative data for one or more data structures of the database system. The update urgency index is representative of an urgency for updating the quantitative data for the data structure(s) and is based, at least in part, on real-time query metrics. The machine learning model(s) is used to adaptively update the quantitative data, where the adaptively updating is based, at least in part, on the ascertained update urgency index. Processing of a database query is optimized in the database system using the adaptively updated quantitative data.

Abstract: A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, a composition including the compound, an organic optoelectronic device, and a display device are disclosed. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as described in the specification.

Abstract: Provided is a method and apparatus for registering metadata regarding a drone image. The apparatus for registering metadata regarding a drone image acquires captured data, and parses metadata from the captured data. The apparatus for registering metadata regarding a drone image generates new metadata using additional information and the parsed metadata, and registers the generated new metadata and the captured data to generate new captured data.

Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.

Abstract: Disclosed are an ink composition for an electrophoresis apparatus including (A) a semiconductor nanorod; and (B) a compound represented by Chemical Formula 1, and a display device manufactured using the ink composition for an electrophoresis apparatus.

Abstract: The present invention relates to a tantalum carbide coated carbon material, and more particularly, to a tantalum carbide coated carbon material including a tantalum carbide film having a surface contact angle of 50° or more and low surface energy.