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

Abstract: A method for producing black ginseng concentrate is characterized by including steps of adding red ginseng to a continuous steaming-dryer followed by steaming, cooling, and drying to prepare black ginseng, carrying out extraction by adding alcohol to crushed black ginseng obtained by crushing the black ginseng prepared above followed by filtration to prepare black ginseng extract, and concentrating the black ginseng extract prepared above by using a plate type evaporative concentrator followed by heat treatment, and the present invention also relates to black ginseng concentrate prepared by the aforementioned method.

Abstract: The present disclosure relates to a reduced graphene oxide for a secondary battery, a method for preparing the same, an electrode using the same, and a secondary battery using the same. Specifically, the reduced graphene oxide is a powdery two-dimensional crystalline reduced graphene oxide satisfying Relational Expressions 1 to 3 shown below. [Relationship 1] 1?TQ?5 [relational expression 2] 100?EQ?1,000 [Relationship 3]1?BETQ?100. In Relational Expression 1, TQ represents the thickness (nm) of the reduced graphene oxide. In Relational Expression 2, EQ represents the electrical conductivity (S/cm) of the reduced graphene oxide. In Relational Expression 3, BETQ represents the specific surface area (m2/g) of the reduced graphene oxide.

Abstract: An operating room allocation apparatus may be provided. The apparatus according to an embodiment of the present disclosure may include: an information obtaining unit configured to obtain information about patient's entry and exit times in each operating room; a first calculation unit configured to calculate a utilization rate of the operating room for each certain time period based on the patient's entry and exit times; and a second calculation unit configured to receive certain time information from a user and calculate an average utilization rate by time period in the received time information.

Abstract: A novel pyrimidine compound of the following formula I, a solvate, a stereoisomer or a pharmaceutically acceptable salt thereof are disclosed. Compositions containing the pyrimidine compound, solvate, stereoisomer or pharmaceutically acceptable salt thereof and methods of preventing or treating tyrosine kinase domain mutant EGFR-overexpression-associated diseases are disclosed.

Abstract: The simulation system for predicting heating and cooling loads of a building comprises the collection unit collecting measurement data of a target building from a BEMS, the identification unit identifying indoor and outdoor temperature, humidity, and insolation measured in the building in real time based on RTS method, the correlation derivation unit deriving a correlation between energy usage based on the BEMS measurement data collected by the collection unit and the cooling and heating loads according to indoor and outdoor temperature, humidity, and insolation identified by the identification unit, the simulation unit predicting a change in cooling and heating loads according to a change in at least one of pieces of measurement data based on the correlation derived from the correlation derivation unit to perform a simulation, and the information provision unit providing a simulation result from the simulation unit in a visible form to a user terminal.

Abstract: A hydrogen supply method includes a first fluid circulation operation in which a first fluid sequentially circulates through a first fluid circulation line including a first heat exchanger configured to exchange heat between the first fluid and an external fluid, a compressor, a second heat exchanger, and an expansion member. The hydrogen supply method further includes a (2-1)th fluid circulation operation in which a second fluid circulates through a second fluid circulation line through which the second fluid circulates and exchanges heat with the first fluid in the second heat exchanger. The (2-1)th fluid circulation operation includes allowing the second fluid to sequentially circulate through the second heat exchanger, a hydrogen storage including a metal or alloy that adsorbs hydrogen, and a pump through the second fluid circulation line.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: A hydrogen supply method including a (1-1)th fluid circulation operation in which a first fluid sequentially circulates through a first fluid circulation line including a first heat exchanger in which the first fluid and an external fluid exchange heat therebetween, a first flow rate control member that controls flow of the first fluid, a compressor, the first flow rate control member, a second heat exchanger, and an expansion member. The hydrogen supply method further includes a (2-1)th fluid circulation operation in which a second fluid circulates through a second fluid circulation line through which the second fluid circulates and exchanges heat with the first fluid in the second heat exchanger.

Abstract: A transparent conductor according to an exemplary embodiment of the present invention includes a transparent substrate, and a transparent conductive pattern formed on the transparent substrate, and the transparent conductor includes a nanostructure on an upper surface of at least one of the transparent substrate and the transparent conductive pattern.

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: Provided are a polyamideimide film, a window cover film, and a display panel including the same. More specifically, a polyamideimide film including an amideimide structure derived from a dianhydride, a diamine, and an aromatic diacid dichloride is provided, wherein a chlorine content in the film is 5 to 33 ppm and a yellow index change amount ?YI is 5 or less, the yellow index change amount being measured in accordance with ASTM E313 after repeating a process of irradiating 0.55 W/m2 of UVA at 340 nm at 40° C. for 20 hours and then blocking UVA for 4 hours three times.

Abstract: A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.

Abstract: A method of fabricating a semiconductor device is provided. The method includes: loading a substrate into a substrate processing apparatus; and processing the substrate, using the substrate processing apparatus. The processing the substrate includes: providing a process gas; generating a process etchant from the process gas, using plasma ignition, the process etchant including a first etchant and a second etchant; processing the substrate, using the process etchant; identifying a composition rate of the process etchant; and controlling the processing of the substrate based on a process result according to the composition rate of the process etchant.

Abstract: A thin-film transistor including an active layer disposed on a substrate and including a channel region, a source region connected to a side of the channel region, and a drain region connected to the other side of the channel region; a gate insulating layer on the channel region of the active layer; and a gate electrode on the gate insulating layer. A slope of each side surface of the gate electrode with respect to a boundary surface between the gate insulating layer and the gate electrode is an obtuse angle (a substantially obtuse angel). A slope of each side surface of the gate insulating layer with respect to the boundary surface between the gate insulating layer and the gate electrode is an obtuse angle (a substantially obtuse angel).

Abstract: A substrate processing apparatus, a substrate processing method, and a method of fabricating a semiconductor device are provided. The substrate processing method includes providing a process gas, generating a preliminary etchant, which includes a first etchant and a second etchant, from the process gas through plasma ignition, generating a process etchant by controlling a composition ratio of the preliminary etchant, and performing a selective etching of the substrate with the process etchant.

Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.

Abstract: A capacitor component includes a body including dielectric layers, first and second internal electrodes, laminated in a first direction, facing each other, and first and second cover portions, disposed on outermost portions of the first and second internal electrodes, and first and second external electrodes, respectively disposed on both external surfaces of the body in a second direction, perpendicular to the first direction, and respectively connected to the first and second internal electrodes. An indentation including a glass is disposed at at least one of boundaries between the first internal electrodes and the first external electrode or one of boundaries between the second internal electrodes and the second external electrode.

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.