Abstract: A sensor thawing device, applied to a vehicle, discharges high-temperature air in a target direction, which is any one of left, right, down, and up directions, to an air discharge duct extended from a molding box coupled to a radiator grill, heats outside air introduced into a heat source line with a heat source including a heating wire to convert the outside air into high-temperature air, supplies the high-temperature air to an air distribution box, moves the air discharge duct in the target direction by forming the air pressure with a part of the high-temperature air by using an air pressure actuator, and supplies the air discharge duct with the remaining high-temperature air through a moving duct.

Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.

Abstract: The present invention provides a novel allulose epimerase variant in which an amino acid residue present at a specific position of an amino acid sequence of wild-type D-allulose 3-epimerase derived from Flavonifractor plautii is substituted with another amino acid residue, and various uses thereof. The novel allulose epimerase variant according to the present invention has a higher conversion activity of fructose to allulose than that of the wild-type D-allulose 3-epimerase derived from Flavonifractor plautii or a D-allulose epimerase variant W29K/G216S/M234I, and has excellent thermal stability especially under high temperature conditions of 60° C. or higher, thereby preventing contamination during an industrial-scale enzymatic conversion reaction for the mass production of allulose, shortening the production time, and reducing the production costs.

Abstract: According to an embodiment of the disclosure, a display device includes a sensor driver receiving firmware from an host in which the firmware is stored, the sensor driver including a second memory storing the firmware supplied from the host and initialized when a reset signal is supplied from the host, and a sensing unit for supplying a recovery signal corresponding to an abnormal state of the sensor driver to the host while sensing at least one of an internal voltage and a clock signal of the sensor driver.

Abstract: Provided are a perovskite nanocrystal particle light-emitter where an organic ligand is substituted, and optoelectronic devices using the same. A method for manufacturing a perovskite nanocrystal particle light-emitter where an organic ligand surrounding a perovskite nanocrystal is substituted may comprise steps of: preparing a solution including nanocrystal particle light-emitter, wherein the perovskite nanocrystal particle light-emitter comprises a perovskite nanocrystal structure and a plurality of first organic ligands surrounding the perovskite nanocrystal structure; and adding, to the solution, a second organic ligand which is shorter than the first organic ligands or includes a phenyl group or a fluorine group, thereby substitutes the first organic ligands with the second organic ligand.

Abstract: A display device includes a circuit layer including emission pixel drivers, and data lines transferring data signals of the emission pixel drivers; a data driver generating the data signals of the emission pixel drivers; and a demultiplexer circuit electrically connected between the data driver and the data lines and including a first demultiplexer transistor turned on by a first demultiplexer control signal and a second demultiplexer transistor turned on by a second demultiplexer control signal. A first data line of the data lines is electrically connected to the data driver through the first demultiplexer transistor and a transfer path shorter than a first extension length. A second data line of the data lines is electrically connected to the data driver through the second demultiplexer transistor and a transfer path longer than or equal to the first extension length.

Abstract: An embodiment power control apparatus for a fuel cell vehicle includes a first relay connected to a fuel cell stack, a second relay selectively connected to an external charger, a converter connected to the first relay and the second relay, wherein the converter is configured to convert first electric power input thereto via the first relay into first demand electric power, convert second electric power input thereto via the second relay into second demand electric power, and supply the first demand electric power or the second demand electric power to a power consumption device, and a controller configured to control the first relay, the second relay, and the converter.

Abstract: A hot melt adhesive composition is provided that includes: a diblock copolymer including a styrene-based monomer-derived unit and a conjugated diene-based monomer-derived unit; a triblock copolymer which is a coupled polymer of the diblock copolymer; and a crosslinked block copolymer including a crosslinking agent-derived crosslinked part crosslinked with two or more of the diblock copolymer and the triblock copolymer. The conjugated diene-based monomer-derived unit includes an isoprene-derived unit and an epoxidized isoprene rubber.

Abstract: A semiconductor circuit includes a first selection circuit which selects a first battery or a first capacitor, a second selection circuit which selects a second battery or a second capacitor, a voltage measuring circuit which measures a first voltage of the first battery or the first capacitor selected by the first selection circuit, and measures a second voltage of the second battery or the second capacitor selected by the second selection circuit, a controller which compares the first voltage and the second voltage to generate a comparison result, and a switching circuit which receives a signal based on a target output voltage, connects the first battery or capacitor selected by the first selection circuit, and the second battery capacitor selected by the second selection circuit in an interconnection relationship based on the comparison result to provide to an output terminal an output voltage responsive to the target output voltage.

Abstract: Disclosed are a method and apparatus for random access using random beam-switching in a wireless network environment. The random access method using random beam-switching in a wireless network environment includes selecting a given preamble when receiving a synchronization signal block from a base station, transmitting, to the base station, a first message including the selected preamble by using a sequential beam-sweeping method, transmitting a third message for a connection request for uplink data transmission when receiving, from the base station, a second message responding to the transmitted first message, and completing a random access channel operation when receiving a fourth message responding to the transmitted third message.

Abstract: A positive electrode and a secondary battery including the same are provided. The positive electrode includes a current collector and a positive electrode active material layer disposed on the current collector, wherein the positive active material layer includes a positive electrode active material, a binder, and a multi-walled carbon nanotube, wherein the multi-walled carbon nanotube has an average length of 1-2 ?m and has a length standard deviation of 0.5 ?m or less.

Abstract: An apparatus for and a method for estimating blood pressure are provided. The apparatus for estimating blood pressure includes: a sensor configured to measure a pulse wave signal from an object; and a processor configured to obtain a mean arterial pressure (MAP) based on the pulse wave signal, configured to classify a phase of the obtained MAP according to at least one classification criterion, and to obtain a systolic blood pressure (SBP) by using an estimation model corresponding to the classified phase of the MAP among estimation models corresponding to respective phases of the MAP.

Abstract: The present invention relates to a novel electrolyte additive, a non-aqueous electrolyte for a lithium secondary battery comprising the novel electrolyte additive, and a lithium secondary battery comprising the non-aqueous electrolyte. More specifically, the present invention relates to a non-aqueous electrolyte for a lithium secondary battery comprising an additive capable of forming a stable film on an electrode surface. The present invention also relates to a lithium secondary battery comprising such a non-aqueous electrolyte, thereby, a high temperature lifespan of the lithium secondary battery is not deteriorated, resistance does not increase when the lithium secondary battery is stored at a high temperature, and expansion of a volume (thickness) of the lithium secondary battery is suppressed when the lithium secondary battery is stored at a high temperature.

Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.

Abstract: A light-emitting layer for a halide perovskite light-emitting device, a method for manufacturing the same and a perovskite light-emitting device using the same are disclosed. The light-emitting layer can be manufactured by forming a first nanoparticle thin film by coating, on a member, a solution comprising halide perovskite nanoparticles having a halide perovskite nanocrystalline structure. Thereby, a nanoparticle light emitter has therein a halide perovskite having a crystal structure in which FCC and BCC are combined; and can show high color purity. In addition, it is possible to improve the luminescence efficiency and luminance of a device by making perovskite as nanoparticles and then introducing the same into a light-emitting layer.

Abstract: A vertical type once-through heat recovery steam generator (HRSG) capable of improving operational stability during rapid startup and lifetime of a steam turbine while reducing environmental pollution caused by emissions, and a combined power generation system including the HRSG are provided. The HRSG includes a medium-pressure section including a medium-pressure side desuperheater installed at the rear of a medium-pressure superheater to lower the temperature of the steam supplied to a medium-pressure steam turbine, and a high-pressure section including a high-pressure side desuperheater installed at the rear of a high-pressure superheater to lower the temperature of the steam supplied to a high-pressure steam turbine.

Abstract: A chuck assembly according to an embodiment of the present invention includes: a rotary table on which a substrate is mounted; a rotating part concentric with a rotation center of the rotary table; and a chuck pin supporting the substrate, wherein the rotary table may include a protrusion protruding upward from a surface facing the substrate, the chuck pin may be coupled to the protrusion in such a way that the protrusion is drawn into the chuck pin, and the protrusion may be provided integrally with the surface of the rotary table facing the substrate.

Abstract: An embodiment provides an alkali metal thermal-to-electric converter including a thermal-to-electric conversion cell including three layers including an anode layer, a solid electrolyte layer, and a cathode layer, having a convex-concave shape with alternately appearing concave and convex portions, and configured to move alkali metal ions through the solid electrolyte layer, a high temperature portion that supplies a high temperature alkali metal fluid to the anode layer of the thermal-to-electric conversion cell, and a low temperature portion that condenses the alkaline metal fluid discharged to the cathode layer of the thermal-to-electric conversion cell to a low temperature and moves the alkaline metal fluid to the high temperature portion.

Abstract: Provided is a method for preparing synthesis gas and aromatic hydrocarbons, and more particularly, a method for preparing synthesis gas and aromatic hydrocarbons including: supplying a pyrolysis fuel oil (PFO) stream containing PFO and a pyrolysis gas oil (PGO) stream containing PGO to a distillation tower as a feed stream (S10), the PFO stream and the PGO stream being discharged from a naphtha cracking center (NCC) process; and supplying a lower discharge stream from the distillation tower to a combustion chamber for a gasification process and supplying an upper discharge stream from the distillation tower to an SM/BTX preparation process (S20).

Abstract: An integrated power supply includes a first low voltage DC-DC converter (LDC) that converts supply power to a first output voltage and provides the first output voltage to a first auxiliary battery and a first electric load connected to each other in parallel; a second LDC that converts the supply power to a second output voltage and provides the first output voltage to a second auxiliary battery and a second electric load connected to each other in parallel; and an integrated controller that controls the first LDC and the second LDC to change output voltages of the first LDC and the second LDC. The first auxiliary battery and the second auxiliary battery are connected in series, and when the first LDC fails, the second LDC outputs a second increase output voltage that is higher than the second output voltage under control of the integrated controller.