Abstract: The present disclosure provides a low dielectric polymer substrate and a preparation method thereof. More specifically, the present disclosure provides a low dielectric polymer substrate to which metal or ceramic may be deposited with high adhesion without a separate adhesive layer through surface modification of a polymer substrate and a preparation method thereof.

Abstract: The present disclosure relates to a semiconductor package comprising a substrate, a radio frequency integrated circuit attached to the substrate, optionally at least one semiconductor die attached to the substrate and coupled to a radio frequency integrated circuit (RFIC) via one or more signal lines, a molding compound encapsulating the RFIC and the optional semiconductor die, and an antenna formed on the molding compound and coupled to the RFIC.

Abstract: A method of providing a chat service in a map-based virtual space includes receiving a place selection signal based on map information and/or a motion detection signal from user terminals, determining location information and FoV information of the corresponding account in the virtual space, determining image information of a perspective view and one or more other accounts to be displayed on the corresponding user terminal, receiving a chat request from a first user terminal, receiving a result regarding whether to accept a chat in response to the chat request from a second user terminal, determining whether an account of the first user terminal and the other account of the second user terminal on the street view satisfy a preset condition, and providing the chat service between the first user terminal and the second user terminal based on whether the chat is accepted and whether the preset condition is satisfied.

Abstract: Some examples of the disclosure are directed to systems and methods for selectively displaying an image of a portion of a physical environment of an electronic device with enhanced visibility. In some examples, the image is displayed overlaid on a portion of a view of the physical environment. In some examples, the electronic device displays the image in accordance with one or more first criteria being satisfied. In some examples, the electronic device forgoes displaying the image in accordance with the one or more criteria not being satisfied.

Abstract: Provided are a method and system of analyzing ingredients of an artificial rainfall for verification of a cloud seeding effect. As the method and system, which can verify an effect of the artificial rainfall in such a manner that a seeding material becomes different according to each temperature of clouds at a seeding altitude, water sampling from precipitation is performed before and after seeding, and thus the ingredients of a water sample are analyzed using each of a method of analyzing a heavy metal component and a method of analyzing a water-soluble ion component according to a cool cloud and a warm cloud so that whether or not there is a change in each concentration of the ingredients can be determined, are provided, an experiment for the artificial rainfall can more effectively be performed.

Abstract: A semiconductor device may include a memory cell array including a memory block including a plurality of memory strings connected between a plurality of bit lines and a common source line, a control circuit that generates a page buffer control signal, a voltage control signal, and a drive address signal, a page buffer group including a plurality of page buffers and configured to form each of the plurality of bit lines to a preset voltage level, and generate a threshold voltage variation result on the basis of a change in the voltage level of each of the plurality of bit lines, a voltage generation circuit that generates a threshold verification voltage and a pass voltage, and a line drive circuit that drives a plurality of select lines to a level of the threshold verification voltage, and drives a plurality of word lines to a level of the pass voltage, during the threshold voltage variation verification.

Abstract: A pharmaceutical composition and a health functional food composition for preventing, treating, or improving muscular diseases have licorice extract or a fraction thereof, or a compound isolated therefrom or a pharmaceutically acceptable salt thereof, as an active ingredient. The licorice extract or a fraction thereof, the compound or salt thereof induce the myoblasts proliferation and promote the differentiation into myotubes, and since the licorice extract or a fraction thereof, the compound or salt thereof has an excellent effect on regenerating damaged muscles, various muscle diseases are effectively prevented, improved or treated using the composition.

Abstract: An apparatus for estimating bio-information is disclosed. The apparatus may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the force sensor; and a processor configured to obtain a first input value, a second input value, and a third input value based on the pulse wave signal and the force signal, to extract a feature vector by inputting the first input value, the second input value, and the third input value into a first neural network model, and to obtain the bio-information by inputting the feature vector into a second neural network model.

Abstract: A semiconductor device including a device isolation region is provided. The semiconductor device includes first active regions disposed on a substrate, and an isolation region between the active regions. The isolation region includes a first portion formed of a first insulating material, and a second portion formed of a second insulating material, having different characteristics from those of the first insulating material. The first portion is closer to the first active regions than the second portion. The second portion has a bottom surface having a height different from that of a bottom surface of the first portion.

Abstract: A display device includes: a substrate including a display area and a non-display area; a transistor and a light emitting element, which are disposed on the display area; a pad portion disposed in the non-display area, where the pad portion includes a first metal pattern; and a printed circuit board or a data driver, which is connected with the pad portion. The transistor includes a semiconductor layer disposed on the substrate and a source electrode or a drain electrode which is electrically connected with the semiconductor layer. The source electrode or the drain electrode includes a first layer including a first metal, a second layer including a second metal, and a third layer including the first metal, where the first metal pattern includes the first metal, and is connected with the printed circuit board or the data driver.

Abstract: A driving circuit includes: a display driver to generate a horizontal synchronization signal and a vertical synchronization signal according to a first clock signal of a first oscillator; a sensor driver to generate a touch signal according to a second clock signal of a second oscillator; and a determination circuit to detect a cycle of at least one of the horizontal synchronization signal or the vertical synchronization signal according to the second clock signal, and output a detection signal when the cycle is out of a range. The determination circuit is a part of the display driver or the sensor driver.

Abstract: A method, of training an anomaly detecting model using a plurality of pieces of graph data, includes: (a) inputting one piece of graph data that has not yet been input, among the plurality of pieces of graph data, to a graph neural network (GNN) AutoEncoder calculating a probability of each edge as input data; (b) calculating a difference value (hereinafter, “edge difference value”) between an edge probability value of reconstructed data output by the GNN AutoEncoder and an edge value of the input data; (c) calculating an average value (hereinafter, “positive edge loss”) of a positive edge and an average value (hereinafter, “negative edge loss”) of a negative edge using the edge difference value, and calculating an edge prediction loss value of the reconstructed data by summing the positive edge loss and the negative edge loss; (d) retraining the GNN AutoEncoder until the edge prediction loss value is minimized.

Abstract: Disclosed herein is a battery pack. The battery pack can include a plurality of battery cells, a pack case defining a housing configured to accommodate the battery cells, a first venting path extending across the pack case, and a second venting path extending along at least one peripheral side of the pack case. The first venting path can provide a conduit for a gas generated from any of the battery cells. The second venting path can be in fluid communication with the first venting path and an opening on the pack case such that the gas from the battery cells is configured to travel from the first venting path to the second venting path and to be discharged from the battery pack via the opening.

Abstract: A memory device includes a memory cell including a selection layer and a phase change material layer, and a controller, wherein the selection layer includes a switching material, the phase change material layer includes a phase change material, and the controller is configured to apply a write pulse to the selection layer and the phase change material layer and control a polarity, a peak value, and a shape of the write pulse.

Abstract: A method for verifying reliability of a test for products performed by test equipment includes: receiving result images generated from preprocessing of result data of the test, the result data of the test including labels for a plurality of scale levels and the received result images including first result images belonging to a first scale level of the plurality of scale levels and second result images belonging to a second scale level of the plurality of scale levels; making a first determination, from the first result images, whether the first scale level is normal or abnormal; making a second determination, from the second result images, whether the second scale level is normal or abnormal; and determining that no error occurred in the test in response to both the first scale level and the second scale level being determined to be normal; or determining that an error occurred in the test in response to at least one scale level being determined to be abnormal.

Abstract: An optical imaging system is provided. The optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens arranged in order from an object side toward an image plane, wherein the first lens may be formed of glass, and wherein a conditional expression 70<v1 and 0.8?OAL/f?0.9 may be satisfied, where v1 is an Abbe number of the first lens, OAL is a distance from an object-side surface of the first lens to the image plane, and f is a total focal length of the optical imaging system.

Abstract: A display device may include a sensor layer, a substrate, a pixel layer, and a black matrix. The sensor layer may include photo sensors. The substrate may be positioned on the sensor layer. The pixel layer may be positioned on the substrate and may include pixels. The substrate may be positioned between the sensor layer and the pixel layer. The pixels may include pixel electrodes. The black matrix may be positioned on the pixel layer, may include first-set openings respectively overlapping with the pixel electrodes, and may include second-set openings not overlapping with any pixel electrodes of the display device in a direction perpendicular to the substrate. The pixel layer may be positioned between the substrate and the black matrix.

Abstract: The present invention relates to an anthracene derivative compound having a characteristic structure in which an aliphatic aromatic mixed ring group is substituted, and to an organic light-emitting device comprising same. The present invention relates to a high-efficiency and long-lifespan organic light-emitting device having remarkably improved luminous efficiency and lifespan characteristics by adopting the anthracene derivative compound according to the present invention as a host of a light-emitting layer, and adopting a polycyclic compound having a characteristic structure as a dopant of the light-emitting layer.

Abstract: The present disclosure relates to an apparatus for controlling a side mirror of an autonomous vehicle and a method thereof. According to an embodiment of the present disclosure, it is possible to detect whether a vehicle is autonomously driven and to fold the side mirror such that a mirror surface is in close contact with a vehicle body surface or side window glass or to insert the side mirror into the inner space of the vehicle when the vehicle is autonomously driven. Through the present disclosure, it is possible to notify an external vehicle of information indicating that the vehicle is driven in an autonomous driving mode.

Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.