Abstract: The present invention relates to a catalyst for hydrogenation of an aromatic compound, which is capable of greatly reducing the inactivation of a catalyst by using a support including a magnesium-based spinel structure, and a preparation method therefor.

Abstract: An apparatus for automatically opening and closing a trunk lid includes a drum member connected to a first cable and rotatably coupled to a drum bracket fastened to a hinge arm, a power latch cinching actuator including an output gear configured to be rotated by a motor embedded in a housing, and an elastic spring having a first end coupled to the drum member and a second end configured to be coupled to the trunk lid, wherein the first cable is coupled to the output gear and is configured to rotate the drum member in a first direction when the output gear is rotated.

Abstract: A display device includes: a substrate comprising an upper surface, a bottom surface facing the upper surface, and a through hole penetrating the upper surface and the bottom surface; and a light emitting element layer on the upper surface of the substrate, wherein the substrate comprises a side surface that meets the upper surface in the through hole, a first surface that meets the bottom surface, a second surface that meets the side surface, and a third surface between the first surface and the second surface, and wherein the first surface and the second surface are spaced apart from each other with the third surface therebetween, and are inclined surfaces.

Abstract: A steering wheel includes a damper unit and an airbag cover configured to move, when a horn is activated, in a horn operation direction with respect to an airbag housing. The damper unit includes a damper made of insulating material coupled to the airbag housing, a switch assembly coupled to the airbag housing in an insulating state via the damper and coupled to the steering wheel to be continuously energized, and a spring. The spring is coupled to the airbag housing to be continuously energized and selectively electrically conducted with the switch assembly depending on whether the airbag cover is in contact with the switch assembly due to elastic deformation when the airbag cover moves in the horn operation direction.

Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.

Abstract: A method of manufacturing a multilayer electronic component includes forming a stack by stacking a plurality of ceramic green sheets on which conductive patterns are disposed on a support film, cutting the stack in a second direction, perpendicular to a first direction which is a stacking direction of the plurality of ceramic green sheets, cutting the stack in a third direction, perpendicular to the first and second directions, to obtain a plurality of unit chips, separating the unit chip from the support film, arranging the unit chip such that one of side surfaces of the unit chip is in contact with an adhesive tape, and attaching another one of the side surfaces to a ceramic green sheet for a side margin portion, and forming a side margin portion on the another one of side surfaces.

Abstract: A display device including a base member, a circuit layer, a display layer, a thin film encapsulation layer, and a touch sensor layer. The base member includes a first area and a second area disposed adjacent to the first area. The circuit layer is disposed on the base member to cover the first area and to expose the second area. The display layer is disposed on the circuit layer to display an image. The thin film encapsulation layer is disposed on the display layer. The touch sensor layer is disposed on the thin film encapsulation layer and includes an organic layer extending from an upper portion of the thin film encapsulation layer to cover at least a portion of the exposed second area.

Abstract: A road surface recognition method may include extracting first point cloud data in a front road surface region of a vehicle from point cloud data generated by LiDAR of the vehicle, generating a point cloud map by use of a local map and the first point cloud data, determining a predicted driving route of the vehicle based on motion-related data of the vehicle; and generating a road surface height profile of the predicted driving route based on the point cloud map and the predicted driving route.

Abstract: A method of detecting coordinates of a mark is provided. The method includes: providing a plurality of structures and the mark on a wafer, each of the plurality of structures including a plurality of mold insulating layers and a plurality of mold sacrificial layers, which are alternately stacked, an end of each of the plurality of structures including a portion having a stair shape, and the mark being between adjacent structures among the plurality of structures; forming a photoresist layer on the plurality of structures and the mark, the photoresist layer including a portion concave toward the wafer between the adjacent structures; detecting the coordinates of the mark by irradiating a beam to the mark; determining an offset of the coordinates of the mark based on a beam path changing factor; and correcting the coordinates of the mark based on the offset.

Abstract: A unit cell inspecting device includes an inspection unit which captures an image of an edge of a unit cell using long-wave infrared rays and measures a position of an edge of an electrode provided in the unit cell. The inspection unit includes: a main heating part configured to heat the edge of the unit cell, thereby raising a temperature of the edge of the electrode provided in the unit cell; and an image capturing part configured to capture the image of the edge of the unit cell by using the long-wave infrared rays, thereby acquiring a thermal image of the edge of the electrode provided in the unit cell; and an inspection part configured to measure the edge of the electrode in the thermal image captured by the image capturing part, thereby measuring the position of the electrode by using the measured edge of the electrode.

Abstract: The present embodiments relate to a negative electrode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery comprising the same. The negative electrode active material for a lithium secondary battery, according to one embodiment, comprises a silicon-carbon composite comprising silicon nanoparticles and a carbon matrix, and can have a degree of oxidation that is less than or equal to 10.5%.

Abstract: A method and an apparatus for transmitting and receiving HARQ responses in a communication system are provided. An operation method of a first terminal in a communication system includes receiving configuration information including a first information element indicating a type of a hybrid automatic repeat request-acknowledgment (HARQ-ACK) codebook from a base station and generating the HARQ-ACK codebook including a downlink (DL) HARQ information bit for downlink communication between the base station and the first terminal and a sidelink (SL) HARQ information bit for sidelink communication between the first terminal and a second terminal. The HARQ-ACK codebook is transmitted to the base station using an uplink channel.

Abstract: The present disclosure includes a negative active material manufacturing method for lithium secondary battery, comprising: grinding the metal-based material into metal-based material nanoparticles through a grinding process; obtaining spherical particles by spheronizing the pulverized metal-based material nanoparticle, a conductive material, and a conductive additive together; obtaining a composite by complexing the spherical particles with an amorphous carbon-based precursor material; and carbonizing the composite; the conductive additive is a carbon nanotube; a content of the carbon nanotube is 0.2 to 2.3 wt % compared to the metal-based material nanoparticle in the composite, a negative active material according to the method, and a secondary battery including the same.

Abstract: The present invention relates to a variable-speed power transmission clutch system which enables a plurality of load shafts to be driven corresponding to one power shaft by an eddy current generated by magnetic force and a rotating magnetic field.

Abstract: A reflective mask used in an EUV exposure process includes a mask substrate, a reflective layer on the mask substrate, and an absorption layer on the reflective layer. The reflective mask includes a main region, an out-of-band region surrounding the main region, and an alignment mark region outside a periphery of the out-of-band region. The absorption layer in the alignment mark region includes an alignment mark and an anti-reflection pattern adjacent the alignment mark, and the anti-reflection pattern includes line-and-space patterns having a predetermined line width in the alignment mark region.

Abstract: A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.

Abstract: The present invention relates to a battery system, and more particularly, to a battery system having improved stability and practicality. The battery system with thermal runaway stability according to the present invention is capable of efficiently cooling a battery module, by applying a frame bent in a U shape to the battery module, so that a thermally conductive filler can be applied to both upper and lower sides of the battery module.

Abstract: A system for foreign object detection (FOD) in wireless power transfer is proposed. The system may include a balanced coil which is disposed between a transmitter coil and a receiver coil and which includes a Maxwell bridge circuit. The system may also include a temperature sensor configured to measure a temperature of the transmitter coil. The system may further include a processor configured to determine whether an FO is present between the transmitter coil and the receiver coil on the basis of voltage values detected at both ends of the bridge circuit. The FOD system can recognize the FO by finding a maximum resonant frequency at which a metal reacts using resonant frequency sweeping in a bridge circuit.

Abstract: Disclosed are a method and device for resource selection in sidelink communication. An operation method of a first transmission terminal comprises the steps of: checking the congestion level in one or more measurement areas; selecting a first resource selection area from among a plurality of resource selection areas when the congestion level is at least a first reference value; selecting a transmission resource within the first resource selection area; and performing sidelink communication with a reception terminal by using the transmission resource.