Abstract: Disclosed is a polycyclic aromatic compound that can be employed in an organic layer of an organic electroluminescent device. Also disclosed is a highly efficient organic electroluminescent device including the polycyclic aromatic compound. The use of the polycyclic aromatic compound significantly improves the luminous efficiency of the device.

Abstract: A picnic table includes first and second structures detachably connected to each other by linking assemblies. One of the first and second structures is a table and the other of the first and second structures is a bench. A linking assembly includes a linking member, which has a first end portion connected to the first structure and a second end portion detachably connected to the second structure. When the second end portion is disconnected from the second structure, the linking member is retractable or rotatable toward the first structure.

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: A semiconductor package includes a redistribution substrate having a first side and an opposite second side. A plurality of redistribution patterns are in the redistribution substrate, and a semiconductor chip is on the first side of the redistribution substrate. A plurality of metal pillars are positioned around and spaced apart from a periphery of the semiconductor chip and are connected to the redistribution patterns. A plurality of solder balls are on the second side of the redistribution substrate. Each of the metal pillars includes a third side facing the first side of the redistribution substrate, and an opposite fourth side. The fourth side has a square or octagonal shape in plan view.

Abstract: A semiconductor device fabrication apparatus including a grinder comprising a grinding part, the grinding part configured to grind a first surface of a substrate, a laser emitter configured to emit a femtosecond pulse laser to the first surface of the substrate transferred from the grinder, and a mount configured to attach a die attach film to the first surface of the substrate transferred from the laser emitter, wherein the grinding part is configured to grind the first surface of the substrate, which has been introduced into the grinder, and the laser emitter is configured to emit the femtosecond pulse laser to the ground first surface of the substrate may be provided.

Abstract: A flexible display device is provided. A flexible display device according to one embodiment of the present invention comprises a body, a moving plate, a first pulley, a second pulley, a driving track and a flexible display. The flexible display is coupled to outer surfaces of the moving plate and the driving track, and the driving track forms a continuous track shape by itself or together with the moving plate. Therefore, provided is the flexible display device in which a constant tension can be maintained over the entire section of the driving track while the moving plate and the driving track support the flexible display, the occurrence of spring back in the flexible display can be minimized, and damage caused by unevenness of the flexible display, and the like, can be prevented.

Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.

Abstract: A coil component is provided. The coil component includes a body having fifth and sixth surfaces opposing each other, first and second surfaces respectively connecting the fifth and sixth surfaces of the body and opposing each other, and third and fourth surfaces respectively connecting the first and second surfaces of the body and opposing each other in one direction, a recess disposed in an edge between one of the first and second surfaces of the body and the sixth surface of the body, a coil portion disposed inside the body and exposed through the recess, and an external electrode including a connection portion disposed in the recess and connected to the coil portion, and a pad portion disposed on one surface of the body. A length of the pad portion in the one direction is greater than a length of the connection portion in the one direction.

Abstract: The present disclosure relates to an electrode stack for a lithium secondary battery, in which one or more positive electrodes and one or more negative electrodes are alternatingly stacked with a separator therebetween and insulation layers are formed on the outermost positive electrodes of the electrode stack. The insulation layers have an average thickness of 1 ?m to 8 ?m. The positive electrodes include a positive electrode collector; a positive electrode active material layer; and a protective layer including an inorganic compound. The protective layer is disposed between the positive electrode collector and the positive electrode active material layer. Additionally, an electrode assembly and a lithium secondary battery which include the electrode stack are also disclosed.

Abstract: A table includes a tabletop, a first support assembly, first and second legs, and first and second limiting structures. The first support assembly is connected to the tabletop such that the tabletop is rotatable with respect to the first support assembly around a first axis between folded and unfolded positions. The first leg is connected to the first support assembly and rotatable around a second axis substantially perpendicular to the first axis. The first limiting structure is disposed at or integrally formed with the first leg to limit rotation of the first leg between first closed and open positions. The second leg is connected to the first support assembly and rotatable around a third axis substantially perpendicular to the first axis. The second limiting structure is disposed at or integrally formed with the second leg to limit rotation of the second leg between second closed and open positions.

Abstract: The present invention relates to a solder resist composition, and more specifically, to: a solder resist composition that can be used to obtain high reflectance, excellent yellowing resistance, excellent crack resistance, high resolution and flatness, excellent sensitivity, developability, adhesion, solder heat resistance, pencil hardness, solvent resistance, HAST resistance, and high reflectance and high gloss after a HAST test; a dry film and a printed wiring board which include a solder resist layer obtained therefrom; and methods for manufacturing same.

Abstract: Provided is a cyber threat information processing method including receiving input of a non-executable file, analyzing at least one feature related to a cyber threat of the input non-executable file, and generating analysis information, detecting whether the non-executable file includes a malicious action based on feature information obtained by selectively combining at least one piece of the generated analysis information, generating classification information on an attack technique and classification information on an attack group according to a malicious action when the malicious action is detected in the non-executable file, and providing cyber threat information to a user based on generated information of the non-executable file.

Abstract: A cyber threat information processing method including generating stack trace information of a reader program of an operating system executing a non-executable file at a hooking point of a system call of the operating system when the reader program performs the system call, obtaining a calling function for calling the system call and a variable corresponding to the calling function from the generated stack trace information, and providing description information about the obtained calling function and the variable corresponding to the calling function.

Abstract: In a non-contact pressure measurement system of a balloon catheter and a non-contact pressure measurement method of the balloon catheter using the same, the system includes a chamber part, a balloon, a tube part, a pump part and a displacement sensor. The chamber part stores a saline solution. The balloon is disposed inside of a body and is configured to be expanded with supply of the saline solution. The tube part is configured to connect the chamber part with the balloon. The pump part is configured to control the supply of the saline solution via the tube part. The displacement sensor is configured to measure an amount of the expansion of the tube part expanded with the supply of the saline solution, in a predetermined section of the tube part.

Abstract: A supporting frame includes a mounting assembly and a plurality of leg assemblies to support the mounting assembly. The mounting assembly includes first and second mounting units, at least one of which is extendable in a longitudinal or lateral direction of the mounting assembly. In some cases, the first and second mounting units are pivotally connected to each other and each of the leg assemblies is foldable relative to the first or second mounting unit, resulting in an extendable and foldable supporting frame. A supporting structure includes a supporting frame and first and second panels connected to the supporting frame. In some cases, the supporting structure is foldable in half.

Abstract: A display device including: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.

Abstract: A table includes a tabletop and a frame supporting the tabletop. The frame includes a mounting assembly, first and second leg assemblies coupled with the mounting assembly, and first and second supporting assemblies to control rotation of the first and second leg assemblies. The frame also includes one or more couplers disposed at a mounting member of the mounting assembly to connect the mounting assembly with the first and second supporting assemblies or to connect the mounting assembly with the tabletop.

Abstract: A xylylene diisocyanate composition according to exemplary embodiments includes xylylene diisocyanate (XDI) and chloromethylbenzyl isocyanate (CBI), and may satisfy a predetermined relationship between an acidity and a content of CBI. Thereby, an optical lens having a high transmittance and improved optical uniformity can be manufactured by controlling a polymerization reaction rate.

Abstract: A coil electronic component includes a body having one surface and the other surface, opposing each other, and a plurality of wall surfaces respectively connecting the one surface and the other surface of the body, first and second recesses, respectively formed in both end surfaces of the body opposing each other among the plurality of wall surfaces of the body, extending to the one surface of the body, a wound coil, embedded in the body, including first and second lead-out portions, a first external electrode disposed along an internal wall of the first recess and the one surface of the body and connected to the first lead-out portion, and a second external electrode disposed along an internal wall of the second recess and the one surface of the body and connected to the first lead-out portion. The first and second external electrodes are spaced apart from each other.

Abstract: Provided are a three-dimensional semiconductor memory device, a method for manufacturing the same, a method for operating the same, and an electronic system including the same. The three-dimensional semiconductor memory device includes a substrate, a stack structure on the substrate, and vertical channel structures, which are provided in channel holes penetrating the stack structure, wherein each of the vertical channel structures includes a data storage pattern, a vertical channel pattern, a conductive pad, and a vertical semiconductor pattern, wherein the vertical channel pattern includes a first portion contacting the upper surface of the substrate and a second portion provided between the data storage pattern and the vertical semiconductor pattern, and wherein the vertical semiconductor pattern is spaced apart from the substrate with the first portion of the vertical channel pattern therebetween.