Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.

Abstract: A buffer unit for temporarily storing a substrate includes a housing having a space for storing a substrate therein, one or more slots disposed within the housing for placing a substrate thereon, and a holding unit disposed at a bottom portion of the housing, having a flat and non-inclined top surface, and comprising a built-in wireless charging module. A substrate type sensor is stored at the holding unit.

Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.

Abstract: Provided is a peptide composition for preventing or treating Alzheimer's dementia. A peptide or a salt substituent thereof according to the presently claimed subject matter exhibits effects such as suppression of LPS-mediated cytokine production, suppression of LPS-induced neuroinflammation, amelioration of cognitive impairment, suppression of beta amyloid or tau protein aggregation, and suppression of neuronal loss. The polypeptide or the salt substituent thereof can permeate the blood-brain barrier, and thus, is expected to be usefully used for preventing or treating Alzheimer's dementia.

Abstract: A semiconductor system including a transmitter configured to output a plurality of data as a plurality of data input/output signals through a plurality of channels based on a matrix E, and a receiver configured to generate the plurality of data by differentially amplifying the plurality of data input/output signals received through the plurality of channels based on a matrix D, in which all components of the matrix E and the matrix D are integers, a product matrix of the matrix D and the matrix E is a diagonal matrix, a sum of the components of each row of the matrix D is 0, and a sum of absolute values of the components of each column of the matrix D is less than or equal to a threshold value.

Abstract: Disclosed is an exoskeleton-type rehabilitation robot system, including: a body part provided on a chair in which a user sits and provided with a robot arm capable of moving left or right based on the user seated on the chair; a conversion part configured to convert a position of the robot arm with respect to the body part; a driving part configured to articulate the robot arm with respect to the body part; and a controller configured to detect a change in a position of the robot arm and control a left or right driving mode of the driving part according to the position of the robot arm. In accordance with such a configuration, the exoskeleton-type rehabilitation robot system of the present invention is provided integrally with a chair, thereby having excellent space utilization. In addition, the user's initial preparation for rehabilitation training is simple, which can improve efficiency.

Abstract: The present invention relates to an electric driven hydraulic power system for heavy equipment, and more particularly, to a hydraulic power system, which includes a hydraulic pump operated by a battery and a motor, a supply line for supplying a hydraulic oil that is supplied by the hydraulic pump, a plurality of actuators, and a controller for controlling the motor and the actuators, in which electrical efficiency is significantly improved.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.

Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.

Abstract: Provided are a QT heat treated high carbon hot rolled steel sheet, a high carbon cold rolled steel sheet, a QT heat treated high carbon cold rolled steel sheet, and manufacturing methods thereof, wherein the QT heat treated high carbon hot rolled steel sheet comprises, in weight %, C: 1.0-1.4%, Si: 0.1-0.4%, Mn: 0.1-0.8%, Cr: 0.3-11%, W: 0.05-2.5%, P: 0.03% or less, S: 0.03% or less, Al: 0.02% or less, and the balance being Fe and other inevitable impurities, the average size of carbides being 0.1-20 ?m.

Abstract: A method for processing point data obtained from a light detection and ranging (LiDAR) device is proposed. The method may include obtaining point cloud data including a plurality of point data for a plurality of detection points. The method may also include generating an image of the plurality of detection points based on the point cloud data. Each of the plurality of point data may include location information about a detection point and a geometrically enhanced intensity of the detection point. The geometrically enhanced intensity may be generated based on a combination of a reflection parameter related to the amount of light scattered at the detection point and a geometric parameter based on geometrical characteristic of the detection point.

Abstract: A drone swarm control method is provided. The drone swarm control method includes displaying a drone swarm and a three-dimensional (3D) terrain projected onto a virtual reality (VR) space by using a VR headset, based on user manipulation, selecting a small-scale drone swarm, provided in a region of interest (ROI) set in the 3D terrain, from the drone swarm by using a VR controller, based on the user manipulation, and dividing, by using a server, the ROI into a plurality of cells, respectively allocating the divided plurality of cells to drones included in the small-scale drone swarm, and automatically generating a 3D flight path of a drone allocated to each of the divided plurality of cells, based on user input information representing the small-scale drone swarm and the ROI.

Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.

Abstract: A data receiving device may include a dummy stage block. The dummy stage block may include m dummy stages, wherein m is a natural number greater than or equal to two. Each of the m dummy stages may be configured to remove inter-symbol interference (ISI) from a dummy input signal using dummy coefficient information to generate a dummy output signal free of the ISI. Each of the m dummy stages may be further configured to output the dummy output signal. A normal stage block may include n normal stages, wherein n is a natural number greater than or equal to two. Each of the n normal stages may be configured to remove ISI from an input signal using coefficient information to generate an output signal free of the ISI and may be further configured to output the output signal.

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: 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 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 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.