Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.

Abstract: An arylamine-fluorene alternating copolymer having a structural unit (A) is represented by Chemical Formula (1): wherein Chemical Formula (1) is the same as described in the detailed description.

Abstract: A method of manufacturing quantum dots includes placing nickel powder having a certain particle size, a precursor material, and an organic solvent into a container, maintaining a pressure in the container at a certain value, and synthesizing quantum dots by stirring the nickel powder, the precursor material, and the organic solvent in the container.

Abstract: A display device is provided.

Abstract: A blank mask includes a light transmissive substrate and a multilayer comprising a light shielding layer and a phase shift layer disposed between the light transmissive substrate and the light shielding layer. The phase shift layer includes an upper surface facing the light shielding layer and a side surface connected to the upper surface, such that the light shielding layer is disposed on the upper surface and the side surface of the phase shift layer. When viewed from a top surface of the multilayer, the multilayer includes a central portion and an outer portion surrounding the central portion. The outer portion has a curved upper surface, which greatly suppresses damage to the phase shift layer by a cleaning solution and effectively reduces a frequency of particle generation at edges of the phase shift layer and the light shielding layer.

Abstract: A camera module according to an embodiment includes a circuit board including a cavity; a reinforcing plate including a first region corresponding to the cavity and a second region in which the circuit board is disposed; a wire part disposed in the first region of the reinforcing plate; and an image sensor disposed on the wire part, wherein a lower surface of the image sensor is in direct contact with the wire part, and wherein the wire part and the image sensor are electrically separated from each other.

Abstract: The present disclosure relates to a method for preparing a Gynostemma pentaphyllum leaf extract, a Gynostemma pentaphyllum leaf extract prepared by the method, and a composition for improving exercise performance capacity containing the same as an active ingredient. The Gynostemma pentaphyllum leaf extract according to the present disclosure exhibits superior effect of improving exercise performance capacity and enhancing muscle strength, endurance and physical strength. In addition, the Gynostemma pentaphyllum leaf extract according to the present disclosure has the efficacy of increasing AMPK activity, facilitating beta oxidation and facilitating glucose uptake and, thus, has superior effect of reducing body weight and body fat and preventing, alleviating or treating diabetes. Because the composition of the present disclosure is derived from a natural product, it can be used usefully and safely for drugs, foods, etc. without side effects.

Abstract: Provided is a method, whereby weights are assigned to edges in a signal propagation process starting from a node corresponding to a queried entity and directionality of signal propagation is assigned based on the weights so that a target node related to the queried entity can be searched for with high accuracy.

Abstract: An air foil bearing includes a bearing plate having a plate shape and a material layer coupled and fixed to the bearing plate and made of a different material from the bearing plate. A viscoelasticity of the material layer is greater than a viscoelasticity of the bearing plate. A compressor includes an air foil bearing.

Abstract: An air foil bearing includes a sleeve that defines a hollow portion having an irregular curvature, where the hollow portion is configured to receive a rotor, a bump foil that is disposed at an inner peripheral surface of the sleeve, and a top foil that is disposed at the bump foil.

Abstract: A system and a method of inspecting an air compressor for a fuel cell are proposed. The inspection system includes a fuel cell; an air compressor provided on an inlet side of a cathode of the fuel cell and provided with a motor; and a controller configured to calculate an estimated consumption current of the air-compressor motor through a relationship between an applied voltage and a rotation speed of the air-compressor motor and configured to compare the calculated estimated consumption current with a measured actual consumption current to determine whether a permanent magnet of the air-compressor motor is demagnetized.

Abstract: A blank mask includes a light transmissive substrate, and a light-blocking layer, disposed on the light transmissive substrate, comprising a transition metal and either one or both of oxygen and nitrogen. An average value of grain sizes of a surface of the light-blocking layer ranges from 14 nm to 24 nm.

Abstract: The present disclosure relates to transmitting and receiving beam information in a wireless communication system. An operation of a receiving end includes: generating a signal indicating two or more analogue transmission beams which are allocable to the receiving end; and transmitting the signal. In addition, the present disclosure includes other embodiments different from the embodiment described above.

Abstract: A display device is provided.

Abstract: The present disclosure relates to a cancer-specific trans-splicing ribozyme and a use thereof. The trans-splicing ribozyme does not act on normal tissues but is specifically expressed in cancer tissues, and thus the safety thereof is high and the expression efficiency thereof is excellent at the post-transcription level, and one or more target genes are connected to the 3? exon of the ribozyme so that a cancer therapeutic gene and an immune checkpoint inhibitor are expressed together when applied in vivo, and thus the present disclosure can be effectively used in cancer treatment.

Abstract: Proposed are a layered compound having indium and arsenic, a nanosheet that may be prepared using the same, and an electrical device including the materials. Proposed is a layered compound represented by [Formula 1] Na1-xInyAsz (0?x<1.0, 0.8?y?1.2, 1.2?z?1.8).

Abstract: Described are hard disk drives that include a low density atmosphere, with which is included a passivating gas, and methods of using these hard disk drives and methods of assembling these hard disk drives.

Abstract: The present embodiment relates to a dual camera module comprising: a rigid first substrate having a first image sensor arranged thereon; a rigid second substrate spaced apart from the first substrate and having a second image sensor arranged thereon; a third substrate connected to the first substrate and the second substrate; and a flexible connection unit for connecting the first substrate to the second substrate, wherein the first substrate includes a first side surface, the second substrate includes a second side surface facing the first side surface, and the connection unit connects the first side surface of the first substrate to the second side surface of the second substrate.

Abstract: A camera module according to an embodiment includes a circuit board; a protrusion disposed on the circuit board; an adhesive member disposed on the circuit board and including an opening vertically overlapping the protrusion; and a sensor base disposed on the adhesive member and including a concave portion vertically overlapping the protrusion, wherein the protrusion is inserted into the concave portion of the sensor base, and wherein the adhesive member has a closed loop shape surrounding an edge region of an upper surface of the circuit board.

Abstract: An extreme ultraviolet photomask includes a conductive layer; a substrate disposed on the conductive layer; a multilayer, comprising different metals alternately stacked on the substrate; a protective layer disposed on the multilayer; a low-reflectance part disposed on a portion of the protective layer, wherein the low-reflectance part comprises a first absorbent layer disposed on the portion of the protective layer, a low-reflectance layer formed on the first absorbent layer, and a first intagliated part formed at the portion where the protective layer is exposed; and a high-reflectance part disposed on another portion of the protective layer, wherein the high-reflectance part comprises a second absorbent layer disposed on the other portion of the protective layer, a high-reflectance layer disposed on the second absorbent layer, and a second intagliated part formed at the other where the protective layer is exposed.