Abstract: A turbine vane platform sealing assembly, a turbine vane, and a gas turbine are proposed. The turbine vane platform sealing assembly includes a first sealing member inserted into a first groove formed in a turbine vane platform in a first direction, the first sealing member extending in the first direction, a second sealing member inserted into a second groove formed in a second direction intersecting the first direction of the turbine vane platform such that an end thereof contacts an upper surface of the first sealing member, and a third sealing member provided so as to partially extend in the first direction while being partially bent in the second direction at a point where the first and second sealing members are in contact so that at least a portion of the bent part is inserted into the second sealing member to restrict the movement of the third sealing member.

Abstract: A display device according to the invention includes: a display panel and a driving chip mounted on the display panel. The display panel includes: a base layer, pixels, signal lines, fan-out lines, and a selection circuit. The base layer includes a first region, a second region bent with respect to a bending axis, and a third region adjacent to the second region. The pixels are arranged in the first region, and the signal lines are arranged in the first region and connected to the pixels. The fan-out lines are arranged in the second region and connected to the signal lines. The selection circuit is arranged between the fan-out lines and the driving chip in the third region and connected to the fan-out lines and the driving chip.

Abstract: Embodiments provide a quantum dot, a method of preparing the quantum dot, and a display device including the quantum dot. The quantum dot includes a core including zinc (Zn), tin (Sn), and phosphorous (P), and a shell surrounding the core, wherein a molar ratio of the number of moles of zinc to a number of moles of tin is in a range of about 0.1 to about 0.2.

Abstract: A semiconductor photoresist composition including an organometallic compound, an additive represented by Chemical Formula 1, and a solvent, and a method of forming uses the semiconductor photoresist composition. Details of Chemical Formula 1 are as defined in the specification.

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

Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.

Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.

Abstract: A semiconductor device includes an active pattern on a substrate, a pair of source/drain patterns on the active pattern, a channel pattern between the pair of source/drain patterns, the channel pattern including semiconductor patterns stacked to be spaced apart from each other, and a gate electrode crossing the channel pattern and extending in a first direction. One of the pair of source/drain patterns includes a first semiconductor layer and a second semiconductor layer thereon. The first semiconductor layer is in contact with a first semiconductor pattern, which is one of the stacked semiconductor patterns. The largest widths of the first semiconductor pattern, the first semiconductor layer, and the second semiconductor layer in the first direction are a first width, a second width, a third width, respectively, and the second width is larger than the first width and smaller than the third width.

Abstract: The probe for hydrogen sulfide detection according to the present invention is represented by chemical formula 1 below.

Abstract: A camera module includes a housing, a first lens module configured to be movable in a first direction of the housing, a second lens module configured to be movable in the first direction, a first magnet disposed on the first lens module, a first yoke member disposed on the housing so as to face a first side surface of the first magnet and configured to limit a movement position of the first lens module with respect to the housing, and a second yoke member disposed on the second lens module so as to face a second side surface of the first magnet and configured to limit a movement position of the second lens module with respect to the first lens module.

Abstract: A dental coil spring extension device capable of extending a pitch of the dental coil spring is disclosed. The dental coil spring extension device includes a first grip part, a second grip part, and an extension part. The first grip part grips one coil of a coil spring. The second grip part grips the other coil of the coil spring. The extension part separates the first grip part and the second grip part to expand a distance between the one coil and the other coil. Each of the first grip part and the second grip part includes a recessed portion formed to surround a periphery of each of the one coil and the other coil of the coil spring. Thus, the load deflection rate of the dental coil spring itself may be increased, and the need for additional crimpable stops or arch wire replacement may be eliminated.

Abstract: The present disclosure relates to a method of preparing a polymer, which includes: adding an alkyl-substituted aromatic vinyl-based monomer and a vinyl cyanide-based monomer to a reactor and initiating polymerization; and performing polymerization while continuously adding an alkyl-substituted aromatic vinyl-based monomer and a multifunctional initiator to the reactor, wherein the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is initiated when a polymerization conversion rate is 10 to 30%, and the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is terminated when a polymerization conversion rate is 70 to 80%.

Abstract: The present disclosure relates to a novel citrate synthase variant, a microorganism comprising the variant, and a method for producing O-acetyl-L-homoserine and L-methionine using the microorganism.

Abstract: Embodiments provide a quantum dot that includes a core including zinc (Zn), tin (Sn) and phosphorus (P), and a shell surrounding the core, wherein a molar ratio of a number of moles of zinc to a number of moles of tin is in a range of about 0.1 to about 2. The quantum dots have high luminous efficiency and color purity.

Abstract: A resource management method carried out by an integrated access and backhaul (IAB) node in a communication system, according to one embodiment of the present invention, may comprise the steps of: receiving, from an upper-level node of an IAB node, a first upper layer signaling signal for resource configuration of the IAB node; receiving, from the upper-level node of the IAB node, a second upper layer signaling signal for resource configuration of the IAB node; and, on the basis of the first and second upper layer signaling signals, determining that an IAB-mobile terminal (IAB-MT) and an IAB-distributed unit (IAB-DU) constituting the IAB node carry out communication by being multiplexed by any one scheme among time division, frequency division and spatial division.

Abstract: A display device includes: a base layer; a circuit layer on the base layer, and including a pixel circuit; an element layer on the circuit layer, and including a light emitting element electrically connected with the pixel circuit; and an encapsulation layer covering the element layer. At least one of the base layer or the circuit layer has a groove defined therein, the encapsulation layer covers the groove, and a plurality of spaces are defined in the groove, each of the plurality of spaces being completely surrounded by the encapsulation layer.

Abstract: Disclosed is a filter water spout attached to a basin faucet that comprises: a connection nozzle screwed to a washbasin faucet outlet and extending a vertical connection tube downward; an elbow pipe in which a vertical receiving pipe is formed in a vertical direction and a horizontal receiving pipe is formed in a horizontal direction; a nozzle body having a horizontal connection tube formed on the side and having an open top; a nozzle cap coupled to an upper portion of the nozzle body; a horizontal rotation member for allowing the vertical connection tube of the connection nozzle to be rotatably coupled to the vertical receiving pipe of the elbow pipe; and a vertical rotation member for allowing the horizontal connection tube of the nozzle body to be rotatably coupled to the horizontal receiving pipe of the elbow pipe.

Abstract: A propulsion module of an air mobility vehicle may include a door provided in the housing and opening or closing the opening portion of the housing by a sliding motion of the door; a propeller for providing propulsion to the air mobility vehicle; a link assembly having a first end portion connected to the housing and a second end portion connected to the propeller to pull the propeller into the internal space of the housing through the opening portion or pull the propeller outside the internal space through the opening portion; and a door opening and closing portion coupled to the door and configured for providing an opening and closing force to the door according to an inward-pulling motion or an outward-pulling motion of the propeller.

Abstract: A luggage device for a vehicle includes a container including a door that is openable and closable, a first mounting portion facing the door, and a second mounting portion configured to connect the door to the first mounting portion, the container having a fillable space formed therein, and a drive mechanism configured to connect the container to a mount subject such that the first mounting portion or the second mounting portion is attached to the mount subject and to switch mount directions of the container.

Abstract: A temperature sensor includes a first electrode, second electrode, and a pyroelectric layer between the first electrode and the second electrode. The pyroelectric layer includes a ferroelectric polymer and an ionogel.