Abstract: An organic electroluminescence device of an embodiment may include 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 electron transport region may include a first compound represented by Formula 1, thereby improving the moving speed of electrons. Accordingly, the organic electroluminescence device of an embodiment may show decreased driving voltage and improved efficiency.

Abstract: A display apparatus includes a communication interface configured to communicate with another display apparatus, a display configured to display contents being shared with the other display apparatus and a video call user interface (UI) for a video call with a user of the other display apparatus, and a processor, in response to at least one of a gesture and a voice of the user included in video call data received from the other display apparatus satisfying a predetermined condition, configured to control the display to change a size of the video call UI displayed on the display.

Abstract: The present invention provides methods for treating or ameliorating metabolic diseases, cholestatic liver diseases, or organ fibrosis, which comprises administering to a subject a therapeutically effective amount of a pharmaceutical composition comprising an isoxazole derivative, a racemate, an enantiomer, or a diastereoisomer thereof, or a pharmaceutically acceptable salt of the derivative, the racemate, the enantiomer, or the diastereoisomer.

Abstract: It is to be understood that while the invention has been described in conjunction with the detailed description thereof, the foregoing description is intended to illustrate and not limit the scope of the invention, which is defined by the scope of the appended claims. Other aspects, advantages, and modifications are within the scope of the following claims.

Abstract: A composite including a polymer matrix; an inorganic moisture absorber; a ceramic filler, graphite, or a combination thereof; and a tracking resistance polymer, wherein the tracking resistance polymer includes an average bond energy between an atom forming a main chain and another atom covalently bonded to the atom that forms the main chain of about 350 kJ/mol to about 500 kJ/mol; a carbonaceous residue yield after pyrolysis of less than or equal to about 5 weight percent, based on the amount of the tracking resistance polymer before pyrolysis; or a combination thereof.

Abstract: A storage device includes a nonvolatile memory device including a plurality of nonvolatile memories; a controller configured to allocate write blocks of the nonvolatile memory device to a plurality of streams provided from an outside; and a buffer memory configured to store a result of allocation of the write blocks to the plurality of streams, wherein the controller is further configured to reallocate the write blocks of the nonvolatile memory device to the plurality of streams based on the result of allocation stored in the buffer memory.

Abstract: A memory storage device is capable of improving reliability of a memory system. The memory storage device comprises a memory controller, and a non-volatile memory connected to the memory controller. A method includes receiving, by the memory controller, a command from a host device, the command requesting lost LBA (logical block address) information resulting from a system shutdown of the memory storage device, in response to the command, providing, by the memory controller, the lost LBA information, and receiving, by the memory controller, recovered data corresponding to the lost LBA information, wherein the lost LBA information includes at least one of the number of LBAs lost by system shutdown, an LBA list lost by system shutdown, and deletion of a previous LBA list lost by system shutdown.

Abstract: The present invention relates to a lithium battery cathode active material and a preparation method therefor, the material having an orientation formed by firing a density gradient precursor in which the density gradually changes from the inside of second particles, formed as an aggregate of primary particles, to the outside of the particles. The lithium battery cathode active material according to the present invention has an oriented structure, and thus can have a long lifespan and high capacity characteristics.

Abstract: An electronic apparatus, method, and computer readable medium are provided. The electronic apparatus includes a communicator, and a controller. The controller, based on a first voice input being received, controls the communicator to receive data including first response information corresponding to the first voice input from a server, and outputs the first response information on a display, and based on a second voice input being received, controls the communicator to receive data including second response information corresponding to the second voice input from the server, and outputs the second response information on the display. Based on whether the second voice input is received within a predetermined time from a time corresponding to the output of the first response information, whether a use of utterance history information is identified, and the second response information is displayed differently based on whether the second voice input is received within the predetermined time.

Abstract: An organic electroluminescence device of an embodiment may include 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 electron transport region may include a first compound represented by Formula 1, thereby improving the moving speed of electrons. Accordingly, the organic electroluminescence device of an embodiment may show decreased driving voltage and improved efficiency.

Abstract: A metal clip disposed on chips to connect the chips to each other, includes a plurality of bonding parts each having a lower surface configured to bond to an upper surface of each of the chips; and an outer side part formed at each of the bonding parts to extend upward from at least a portion of an outer side of respective ones of the bonding parts to form a step therefrom.

Abstract: A storage device is provided including an interface circuit configured to receive application information from a host; a field programmable gate array (FPGA); a neural processing unit (NPU); and a central processing unit (CPU) configured to select a hardware image from among a plurality of hardware images stored in a memory using the application information, and reconfigure the FPGA using the selected hardware image. The NPU is configured to perform an operation using the reconfigured FPGA.

Abstract: An electronic device is provided. The electronic device includes a first communication circuit, a second communication circuit, a processor configured to be electrically connected with the first communication circuit and the second communication circuit, and a memory configured to be electrically connected with the processor. The memory includes instructions, when executed by the processor, cause the processor to obtain location information of the electronic device, transmit a first message for requesting to change a state of the electronic device to a network, receive a first response message to the transmitted first message from the network, transmit a second message for requesting a parameter for an operation cycle of the second communication circuit to the network, receive a second response message to the second message from the network, and change the operation cycle of the second communication circuit to a value corresponding to a current state of the electronic device.

Abstract: The present invention provides polyester and a method for preparing same, the polyester including a repeating unit derived from dihydroxyalkyl tetrahydrofuran obtained from biomass; and a repeating unit derived from short-branched aliphatic dicarboxylic acid. Thus, the polyester has a carbon reduction effect and may be utilized as a novel biomass polyethylene terephthalate (PET) for packaging, by having excellent transparency, impact resistance, flexibility and elastic modulus compared to conventional PET.

Abstract: Provided is a heterogeneous catalyst for preparing a dicarboxylic acid aromatic heterocyclic compound, the heterogeneous catalyst including an active metal; and a basic metal oxide carrier capable of carrying the active metal and forming a complex by coordinate bonding with the dicarboxylic acid aromatic heterocyclic compound.

Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electronic element using the same; and an electronic device thereof.

Abstract: Provided is an immune adjuvant including a polypeptide consisting of an amino acid sequence of SEQ ID NO: 2. The polypeptide is a hepatitis B virus-derived polypeptide, is effective in enhancing immunity through co-administration with vaccines as a single immune adjuvant, and in particular, when coadministered with another immune adjuvant, may exhibit a more remarkable immunity enhancement effect. Furthermore, the polypeptide is a single molecule having only 6 amino acids, is not cytotoxic, and has excellent in vivo stability.

Abstract: Provided are a microorganism as Lactobacillus plantarum having anti-cancer activity, a composition including the same, and a method of preventing or treating a cancer by using the same.

Abstract: Provided is a tertiary amine derivative. The tertiary amine derivative effectively absorbs light in the UV region from high-energy external light sources to minimize damage to organic materials in organic electroluminescent devices, contributing to a substantial improvement in the lifetime of the organic electroluminescent devices.

Abstract: A display apparatus and a server which implements an interactive system are disclosed. The server includes a communicator which receives text information corresponding to a user voice collected at the display apparatus from the display apparatus, and a controller which extracts an utterance component from the text information and controls so that a query to search contents is generated using the extracted utterance component and transmitted to an external server which categorizes metadata of the content under each item and stores the same, in which the controller generates the query by adding a preset item to a criteria to search a content, when a number of criteria to categorize the content under an item corresponding to the extracted utterance component is less than a preset number.