Abstract: A display device includes a pixel circuit layer disposed on a substrate, pixel electrodes overlapping emission areas on the pixel circuit layer, light emitting layers respectively disposed on the pixel electrodes, a common electrode disposed on the light emitting layers, an encapsulation layer covering the common electrode, and light blocking members disposed on the encapsulation layer. The light blocking members include first light blocking members overlapping the emission areas, and second light blocking members overlapping a non-emission area between the emission areas, and the pixel electrodes have openings respectively overlapping the first light blocking members.

Abstract: A battery cell and a battery cell manufacturing method are disclosed. A battery cell includes one or more electrode assemblies each including a positive electrode and a negative electrode, a case in which the one or more electrode assemblies are housed, a cap cover configured to cover an opening of the case, an electrode tab connected to the one or more electrode assemblies, and a boss terminal guidable by the cap cover, passing through the cap cover, and coupled to the electrode tab.

Abstract: A display device includes: an emission line; a pixel configured to emit light in response to an emission signal received from the emission line; a reset line; and a light sensor configured to reset a voltage of a sensing node in response to a reset signal received from the reset line, wherein at least a portion of the reset line overlaps at least a portion of the emission line in a plan view.

Abstract: A camera module includes a reflection module; a housing provided for the reflection module to be rotatable; a guide ball member disposed between the reflection module and the housing to guide the rotation of the reflection module; and a ball receiving portion, coupled to the housing, including a groove portion where the guide ball member is disposed and a flange portion extending externally from the groove portion. The ball receiving portion is formed of a material having higher rigidity than a material of the housing.

Abstract: Disclosed are an arc path generation unit and a direct current relay including the same. An arc path generation unit according to various exemplary embodiments of the present disclosure comprises a Halbach array and a magnet part which form a magnetic field in a space part formed in the arc path generation unit. The magnetic field formed by the Halbach array and the magnet part forms an electromagnetic force, together with the current applied to each of fixed contacts. The electromagnetic force formed near each fixed contact is formed in a direction going away from the center of the space part, or in a direction going away from each fixed contact. Therefore, generated arcs can be rapidly suppressed and discharged through induction by the electromagnetic force.

Abstract: Provided are an acoustic Luneburg meta lens including a lens structure on the substrate or a lens structure connected to each other by connecting rods, wherein the lens structure includes a plurality of unit structures, the volume of the unit structures decreases from the center of the lens structure toward an edge thereof, and positions of the unit structures are determined by direction components of a polar coordinate system or a spherical coordinate system, and a method for designing the acoustic Luneburg meta lens.

Abstract: The present invention relates to a negative electrode including a negative electrode current collector and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes a silicon-based active material and a negative electrode binder, wherein the negative electrode binder includes an aqueous binder and a rubber-based binder in a weight ratio of 82:18 to 88:12, and the aqueous binder includes at least one selected from the group consisting of polyvinyl alcohol, polyacrylic acid, polyethylene glycol, polyacrylonitrile, and polyacryl amide.

Abstract: Disclosed is a pixel circuit and a display device including the pixel circuit. The pixel circuit includes a driving element connected to a first node, a second node, and a third node; a first capacitor connected between the second node and a fourth node; a second capacitor connected between the third node and the fourth node; a light emitting element; a first switch element supplying an initialization voltage to the fourth node; a second switch element supplying the initialization voltage to the second node; a third switch element supplying a data voltage to the second node; and a fourth switch element supplying a reference voltage to the third node or to a fifth node connected to an anode electrode of the light emitting element.

Abstract: The present disclosure relates to a method of forming a thin film having excellent properties by depositing an organometallic compound (particularly, an organometallic compound containing rare earth metals) and to a thin film formed thereby.

Abstract: An arc path formation unit and a direct current relay comprising same are disclosed. An arc path formation unit according to an embodiment of the present disclosure comprises a plurality of magnet parts. The plurality of magnet parts can form a magnetic field in a space inside an arc chamber to form an electromagnetic force for moving generated arc. The magnetic field formed by each magnet part forms an electromagnetic force toward the outside of the arc chamber. Electromagnetic forces formed adjacently to fixed contacts are formed in opposite directions. Therefore, the generated arc can be quickly moved to the outside and extinguished without damage to each constituent element of a direct current relay caused by the generated arc.

Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.

Abstract: A positive electrode active material for rechargeable lithium batteries, a method of preparing the same, and a secondary battery including the same are disclosed. The positive electrode active material for rechargeable lithium batteries includes a lithium nickel-based transition metal composite oxide, wherein the lithium nickel-based transition metal composite oxide has a nickel content of 70 mol % or more and a cobalt content of 0 mol % to 0.01 mol % based on the total content of transition metals (or the total content of all metals excluding lithium). The lithium nickel-based transition metal composite oxide includes a lithium nickel-based active material and an aluminum-containing coating layer formed on a surface of the lithium nickel-based active material, and the aluminum-containing coating layer has an aluminum content of 10% to 35% as measured by EDS.

Abstract: Provided is a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure includes a plurality of pouch-type battery cells, a pack case having an inner space in which the plurality of pouch-type battery cells are accommodated, and a plurality of cell covers provided in the inner space of the pack case to at least partially surround at least some of the plurality of pouch-type battery cells, each of the plurality of cell covers being each to have a dimension that is changeable in a width direction.

Abstract: According to various embodiments, there may be provided an operation method of a server, including: obtaining an audio file and a graphic file; obtaining a plurality of audio sources and a plurality of visual sources based on at least one of the audio file or the graphic file; obtaining a plurality of processed audio sources based on changing at least some characteristics of the plurality of audio sources; obtaining a plurality of processed visual sources based on changing at least some characteristics of the plurality of visual sources; and generating at least one active experience file based on generating at least one first audio source selected from the plurality of processed audio sources, at least one first visual source selected from the plurality of processed visual sources, and a specific kind of interaction selected by a user in a related form, wherein, when the specific kind of interaction is received based on the at least one active experience file, the electronic device of the user is set to provi

Abstract: Provided herein may be a storage device capable of efficiently managing a host mapping table. The storage device may include a memory device and a memory controller configured to generate map information in which a physical address of the memory device is mapped to a logical address provided from a host, to provide a first map segment among a plurality of map segments included in the map information to the host, and to generate map change information when the first map segment is changed.

Abstract: A storage device may set a plurality of zones each of which includes one or more memory blocks among a plurality of memory blocks. When a sudden power-off is detected during a write operation for a target zone among the plurality of zones, the storage device may write dummy data to the target zone during a recovery operation for the sudden power-off. When writing data of a size matching that of the dummy data onto the target zone after the dummy data is written, the storage device may write the data to a target memory block in which is outside the target zone.

Abstract: A silicon carbide wafer has one surface and the other surface opposite to the one surface. An average Rmax roughness of the one surface is 2.0 nm or less, and an average Ra roughness of the one surface is 0.1 nm or less. An edge region is a region in which a distance from an edge of the silicon carbide wafer toward a center is 5% to 75% of a radius of the silicon carbide wafer, and a central region is a region having a radius of 25% of the radius of the silicon carbide wafer at the center of the silicon carbide wafer. A difference between an average Rmax roughness of the edge region of the one surface and an average Rmax roughness of the central region of the one surface is 0.01 nm to 0.5 nm.

Abstract: A hybrid driving module includes a rotor with a hub ridge provided on a rotor hub to enable vibration noise to be reduced, and the hub ridge supports the rotor in a state in which the hub ridge is fastened to the rotor hub. The hybrid driving module may further include a ridge fixing structure that prevents the hub ridge from separating from the rotor hub. For example, the ridge fixing structure may be a ridge snap ring. The hybrid driving module may further include an elastic body that elastically presses the hub ridge toward the ridge snap ring. The elastic body may elastically press the rotor in the axial direction. The elastic body may also serve as a return spring of the piston plate of the engine clutch.

Abstract: The present invention relates to a hybrid driving module, in which an input member is aligned in a radial direction and/or an axial direction by a rotor hub, and thus the hybrid driving module may be easily assembled and ensure the high axial balance and the operability and durability of the engine clutch. In the hybrid driving module, the input member may be aligned at least in the radial direction or in the axial direction by a central shaft extension part of the rotor hub. A bearing configured to support a rotation and thrust may be installed between the central shaft extension part and the input member. The input member may be supported to be rotatable relative to a housing. The input member may be aligned in the radial direction and/or the axial direction by the housing.

Abstract: A torsional damper disposed between a rotor sleeve, which is configured to receive a rotational force of an engine, and a rotor hub, which is disposed rearward of the rotor sleeve, and configured to transmit the rotational force of the engine to the rotor hub, and a hybrid drive module to which the torsional damper is applied, includes: a first damper, and the first damper includes a first cover plate provided at a driving side and having a first stopper, a first stopper accommodation portion provided at a driven side and configured to accommodate the first stopper, and shield members configured to cover an opening of the first stopper accommodation portion to restrict a movement of a fluid in a radial direction through the first stopper accommodation portion.