Abstract: Disclosed are a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device. The composition includes a first compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 and a second compound represented by Chemical Formula 3. Details of Chemical Formula 1 to Chemical Formula 3 are as defined in the specification.

Abstract: A film for manufacturing an electronic component includes a polymer layer and conductive nanowires and magnetic nanoparticles dispersed in the polymer layer.

Abstract: Disclosed herein are an apparatus and method for transmitting a covert message in wireless communication. The apparatus for transmitting a covert message in wireless communication may be configured to, in a covert message in which a data frame is composed of a Start Frame Delimiter (SFD), a header, a payload, and a Cyclic Redundancy Check (CRC), transmit the SFD of the covert message corresponding to a first sequence number masked with a preset SFD mask length, transmit the header of the covert message corresponding to a second sequence number masked with a preset header mask length, transmit the payload of the covert message corresponding to a third sequence number masked with a preset payload mask length, and transmit the CRC of the covert message corresponding to a fourth sequence number masked with a preset CRC mask length.

Abstract: An apparatus for measuring a bio-signal includes: a light source configured to emit light; an ultrasonic transducer configured to obtain a photoacoustic signal generated from an object; a photoacoustic coupler disposed in contact with the ultrasonic transducer and configured to direct the light transmitted from the light source to a scanner and to direct the photoacoustic signal generated from the object to the ultrasonic transducer; the scanner configured to reflect the light incident from the photoacoustic coupler to the object, and reflect the photoacoustic signal generated from the object to the photoacoustic coupler; a scanner controller configured to adjust a light incident position on the object by controlling the angle of the scanner; a light detector configured to obtain a light signal by detecting the light scattered or reflected from the object; and a processor configured to obtain bio-information based on the light signal and the photoacoustic signal.

Abstract: An apparatus for chemical mechanical polishing includes a rotatable platen having a surface to support a polishing pad, a carrier head to hold a substrate in contact with the polishing pad, and a polishing liquid distribution system. The polishing liquid distribution system includes a dispenser positioned to deliver a polishing liquid to a portion of a polishing surface of the polishing pad, and a curved barrier positioned after the dispenser to spread fresh polishing liquid from the dispenser.

Abstract: Disclosed is a color transform method performed by an electronic device that includes generating an initial color transformed image by performing color transform on a raw image, determine noise amplification degrees indicating degrees to which noise included in the raw image is amplified by the color transform, processing the determined noise amplification degrees, and generating a final color transformed image by filtering the generated initial color transformed image using the processed noise amplification degrees and at least one of the raw image or luminance information of the raw image.

Abstract: The present invention relates to polyolefin. More specifically, the present invention relate s to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency and satisfying one of the following 1)˜4): 1) when density is 0.9165 g/cm3 or more and less than 0.9175 g/cm3, the content of SCB (Short Chain Branch) is 9.5 to 10.5 wt %, 2) when density is 0.9175 g/cm3 or more and less than 0.9185 g/cm3, the content of SCB (Short Chain Branch) is 9.0 to 10.0 wt %, 3) when density is 0.9185 g/cm3 or more and less than 0.9195 g/cm3, the content of SCB (Short Chain Branch) is 8.5 to 9.5 wt %, 4) when density is 0.9195 g/cm3 or more and less than 0.9205 g/cm3, the content of SCB (Short Chain Branch) is 7.5 to 8.5 wt %, wherein the density is measured according to ASTM D1505.

Abstract: An aerosol-generating article according to one aspect of the present disclosure may include a tobacco medium portion, a filter portion disposed to be spaced apart from the tobacco medium portion, and a tubular cooling portion disposed between the tobacco medium portion and the filter portion. An inner peripheral surface of the cooling portion may include a nicotine component.

Abstract: The present inventive concept relates to an in situ core/shell perovskite nanocrystal film formed by an in situ nanocrystal synthesis process, a method for producing the same, and a light emitting device comprising the same as a light-emitting layer. The in situ core/shell perovskite nanocrystal film formed by the in situ nanocrystal synthesis process according to the present inventive concept exhibits a strong charge confinement effect by nanocrystal formation, and can simultaneously greatly improve the luminescence efficiency and lifetime by maintaining the fast charge transport capability of polycrystalline perovskite.

Abstract: Provided is a method of providing content in a metaverse environment, the method including: providing, by a content providing apparatus, content to a user of a metaverse; acquiring, by the content providing apparatus, user responsiveness information of the user corresponding to the content; acquiring, by the content providing apparatus, a user responsiveness based on the user responsiveness information using a multimodal artificial intelligence model; and providing, by the content providing apparatus, modified content based on the user responsiveness to the metaverse environment.

Abstract: Disclosed herein are a microorganism with excellent deacetoxycephalosporin C (DAOC) productivity and a use thereof. A mutant microorganism with improved DAOC productivity and a use thereof for producing 7-aminodeacetoxycephalosporanic acid (7-ADCA) are provided.

Abstract: A lithium secondary battery includes a cathode including a cathode active material that contains lithium metal oxide particles, an anode facing the cathode, and a non-aqueous electrolyte solution including a non-aqueous organic solvent that contains a fluorine-based organic solvent and a lithium salt. A ratio of the number of moles of lithium contained in each of the lithium metal oxide particles to the total number of moles of metals excluding lithium contained in each of the lithium metal oxide particles is 1.05 or more. A content of the fluorine-based organic solvent is in a range from 5 vol % to 60 vol % based on a total volume of the non-aqueous organic solvent.

Abstract: The present invention relates to an image collection sensor device, an unmanned counting edge computing system and method using the same, and more particularly, to an image collection sensor device capable of providing a high-precision unmanned counting service using a low-power wireless image collection sensor device operated by a battery by analyzing unmanned counting result data that counts the number of persons included in image data, determining image sensor parameters of the image data, and adjusting a collection cycle and collection image quality of image sensor data according to environmental changes in a sensing area.

Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a positive-electrode film additive, which is 3-(4-cyano-5-(4-nitrophenyl)-1H-1,2,3-triazol-1-yl)propyl methanesulfonate.

Abstract: A luggage board for a vehicle includes a core layer; a first layer covering a portion of the core layer; and a second layer covering a remaining portion of the core layer except for a region covered by the first layer. End portions of the first layer and the second layer disposed on a side surface of the core layer are bonded to each other.

Abstract: A semiconductor memory device comprises, a substrate, a mold structure including gate electrodes and mold insulating films alternately stacked on the substrate, and a channel structure penetrating the mold structure, wherein the channel structure comprises a semiconductor pattern and a dielectric film on the semiconductor pattern, wherein the dielectric film comprises a first crystalline film in contact with the gate electrodes and a second crystalline film between the first crystalline film and the semiconductor pattern, wherein the first crystalline film includes a first matrix and a first impurity and the second crystalline film includes a second matrix and a second impurity, wherein each of the first matrix and the second matrix comprises at least one of HfO2, HfxZr1-xO2 (0.5<x<1) and Hf1-yZryO2 (0.5<y<1), and wherein each of the first impurity and the second impurity is 10 at % or less of the first crystalline film and second crystalline film, respectively.

Abstract: An apparatus for providing haptic stimulation includes an ultrasonic actuator configured to provide haptic stimulation to a part of a body located at a target location by generating an ultrasonic signal, and forming sound pressure at the target location via the generated ultrasonic signal; an object sensor provided around the ultrasonic actuator and configured to detect an object within a region between the ultrasonic actuator and the target location; and a control module configured to stop operation of the ultrasonic actuator based on detecting the object within the region is sensed.

Abstract: An organic light emitting diode display includes a plurality of first signal lines, a first insulating layer covering the first signal lines, a plurality of second signal lines on the first insulating layer and crossing the first signal lines, and a plurality of pixels connected to the first signal lines and the second signal lines. A groove in the first insulating layer separates adjacent ones of the pixels and a filling material in the groove.

Abstract: A method of manufacturing a binder-free electrode includes hydrothermally synthesizing a transition metal oxide-based active material on a 3D porous substrate; and using electrothermal waves on the substrate on which the transition metal oxide-based active material is hydrothermally synthesized. Consequently, a transition metal oxide/conductive substrate composite can be synthesized within a few seconds.