Abstract: A window includes a substrate including a folding portion foldable with respect to a folding axis extending in a first direction. A plurality of groove patterns are defined in the folding portion. The folding portion includes a center portion and an outer portion, and the plurality of groove patterns include a first groove pattern disposed in the center portion and a second groove pattern disposed in the outer portion. The first groove pattern includes a first upper groove pattern and a first lower groove pattern, and the second groove pattern includes a second upper groove pattern and a second lower groove pattern. The first upper groove pattern and the first lower groove pattern partially overlap in the second direction, and the second upper groove pattern and the second lower groove pattern do not overlap in the second direction.

Abstract: The present invention relates to an electron buffering material and an organic electroluminescent device comprising the same in an electron buffer layer. It is possible to provide an organic electroluminescent device having excellent luminous efficiency and lifespan characteristics by using the electron buffering material according to the present invention.

Abstract: A capless filler neck structure including a filler tube configured to be fixed into a vehicle and define a transfer passage for fuel to be transferred to a fuel tank of the vehicle, a first retainer fitted into the filler tube, a first flapper positioned adjacent to the first retainer to be sealed from the outside, a second retainer positioned adjacent to the first retainer and fitted into the filler tube, a cover fitted to the second retainer to define an opening configured to receive a fuel gun, a second flapper positioned adjacent to the second retainer to be sealed from the outside, and an anti-error-injection member fitted to the second retainer and configured to be unlatched when the fuel gun having a predetermined diameter or more is inserted.

Abstract: The present disclosure relates to an organic electroluminescent device including a first electrode; a second electrode; and at least one light-emitting layer(s) positioned between the first electrode and the second electrode, and wherein the light-emitting layer includes a host comprising a compound represented by formula 1 and a compound represented by formula 2, and a dopant comprising a compound represented by formula 3, so that the present disclosure may provide an organic electroluminescent device having high efficiency and long lifespan property.

Abstract: A method and apparatus of a user equipment (UE) for transmitting and receiving data in a wireless communication system. The UE receives first time division duplex (TDD) uplink-downlink configuration information for a first cell and second TDD uplink-downlink configuration information for a second cell, determines whether a subframe in the first cell is a special subframe and the subframe in the second cell is a downlink subframe according to the first and second TDD uplink-downlink configuration information, and determine, if the subframe in the first cell is the special subframe and the subframe in the second cell is the downlink subframe, not to receive a signal on the second cell in orthogonal frequency division multiplexing (OFDM) symbols that overlaps with at least one of a guard period (GP) or uplink pilot time slot in the first cell.

Abstract: An organic light emitting diode display device can include a substrate including at least one subpixel having a non-emitting area and an emitting area, a thin film transistor in the non-emitting area on the substrate, an overcoating layer on the thin film transistor and having a plurality of microlenses at a top surface of the overcoating layer, and a light emitting diode in the emitting area on the overcoating layer and connected to the thin film transistor. The surface of the plurality of microlenses can be divided into a plurality of convex portions and a plurality of concave portions with respect to a central surface. Further, the adjacent edge portions of adjacent two of the plurality of microlenses can constitute a first high portion, and the adjacent edge portions of adjacent three of the plurality of microlenses constitute a second high portion.

Abstract: Disclosed are a composite panel having improved vibration characteristics, and a method for manufacturing the same. The composite panel includes a hybrid layer formed at a neutral axis of the composite panel, the hybrid layer including a vibration damping layer and an intermediate material layer. The composite panel also includes structural material layers laminated on both surfaces of the hybrid layer and surface layers laminated on outer surfaces of the respective structural material layers to form outermost layers of the composite panel.

Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.

Abstract: An electronic device includes a master processor, and processors operatively coupled to the master processor. The master processor processes a task including subtasks using the processors. Each processor is assigned to at least one subtask of the subtasks to process at least one subtask. The master processor groups the subtasks into groups in consideration of execution dependencies among the subtasks, regardless of which processor of the processors is to process at least one subtask, compare a number of the groups and a number of the processors to generate a comparison result, generate worker threads, wherein a number of the worker threads depends on the comparison result, and process the subtasks using the processors through the worker threads.

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2, wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. In addition, present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, wherein the first host compound and the second host compound are represented by formula 2?, and wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. An organic electroluminescent device with significantly improved driving voltage, current efficiency and/or lifespan properties can be provided by comprising a specific combination of compounds according to the present disclosure as host materials.

Abstract: This invention relates to a method for preparing superabsorbent polymer. More specifically, this invention relates to a method for preparing superabsorbent polymer that realizes excellent drying efficiency, and thus, effectively inhibits warping of resin.

Abstract: A refrigerator includes a cabinet defining a storage chamber; and a door coupled to a front of the cabinet and to open and close the cabinet. The door may include a door handle; a door glass in contact with the door handle; a side decorative portion to which the door glass is adhered; door bracket coupled to the side decorative portion; and handle fastening means to fasten the door handle and the door bracket to each other.

Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present invention includes a plurality of a lithium-transition metal composite oxide particle having a shape of a secondary particle in which a plurality of primary particles are aggregated. The lithium-transition metal composite oxide particle includes a lithium-molybdenum-containing portion having a hexagonal close-packed structure formed between the primary particles.

Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium metal oxide particle that contains tungsten and has a secondary shape in which a plurality of primary particles are aggregated. The lithium metal oxide particle includes a sulfur-containing portion formed between the primary particles in an inner region of the lithium metal oxide particle.

Abstract: An integrated hospital logistics management system and an integrated hospital logistics management method using same is provided. Artificial intelligence analyzes trends and seasonal trends by using big data and predicts actual usage by using an artificial intelligence technology, and an artificial intelligence system automatically processes reorders, replacements, etc., thereby ensuring that an appropriate safety stock level can be maintained at all times according to a stock quantity, stock state, issue quantity, etc. of hospital supplies. The integrated hospital logistics management system includes an order processing module which processes ordering and warehousing of supplies; a logistics management module which requests the order processing module to purchase or replace the supplies according to the states of the supplies; and a system control module including a machine learning unit which generates and learns rules about the operation of the supplies by using metadata.

Abstract: A cathode active material precursor for a lithium secondary battery is provided according to embodiments of the present invention. The cathode active material precursor for a lithium secondary battery includes a core including a first transition metal composite hydroxide, and a shell which is formed on the core and includes a second transition metal composite hydroxide in which the first transition metal composite hydroxide is doped with a doping metal including at least one of Group 4 to Group 12 metals, wherein the cathode active material precursor has a particle size distribution degree of 0.8 to 1.6 defined by Equation 1. Thereby, it is possible to suppress capacity degradation of the secondary battery due to doping while improving the structural stability of the cathode active material precursor.

Abstract: A photomask correction method capable of increasing the photomask precision is provided. The photomask correction method comprises measuring an intensity profile of a laser, acquiring etching amount data corresponding to the measured intensity profile using a library, determining a process parameter of the laser based on the etching amount data, and correcting a photomask with the laser according to the determined process parameter.

Abstract: A window member includes a window including a first flat part, a first pattern part disposed on a side of the first flat part and having a groove pattern, and a second flat part disposed on an opposite side of the first flat part, the first pattern part being disposed between the first flat part and the second flat part; and a first light-blocking member disposed on a surface of the first flat part and not overlapping the first pattern part or the second flat part in a plan view. The first light-blocking member includes a 1-1-th light-blocking member, a 1-2-th light-blocking member, and a 1-3-th light-blocking member facing the 1-1-th light-blocking member. The 1-1-th light-blocking member, the 1-2-th light-blocking member, and the 1-3-th light-blocking member define a first accommodation space. The 1-3-th light-blocking member is spaced apart from the 1-1-th light-blocking member to define a first open area.

Abstract: Provided is a security fabric having improved security and identification properties, the security fabric comprising security threads containing a fluorescent material, which has an intrinsic light emission characteristic under excitation light, wherein the security threads are included in warp threads, weft threads, or warp and weft threads, and a set number of security threads are included per unit area.