Abstract: Embodiments of the present disclosure relate to a cylindrical secondary battery that facilitates gas discharge by causing a bent shape of a cap plate to be deformed and broken if a temperature of a cell increases, such as due to an event. In one or more embodiments, a secondary battery includes: an electrode assembly; a case including a top end open to accommodate the electrode assembly; and a cap plate coupled to the top end of the case, and the cap plate includes a central region, an edge region, a bent portion between the central region and the edge region, and a vent portion including a notch configured to be broken by a certain pressure.

Abstract: Disclosed is a headrest having a speaker, the headrest including: a headrest frame having a rear surface to which a driving module is coupled so that the headrest frame is movable forwards, rearwards, or vertically in response to operation of the driving module, the headrest frame having a front surface formed with a mounting space recessed rearwards; a speaker, inserted into the mounting space in the headrest frame, provided with an output portion facing forwards and outputting sound, the speaker having a rear side closed by the headrest frame; a foam pad, mounted on the front surface of the headrest frame so as to cover the headrest frame and the speaker, having formed therein a first through hole outputting sound forwards at a position corresponding to the output portion; and a covering configured to cover the front surface of the foam pad and forming the front exterior of the headrest.

Abstract: The present embodiment relates to a lens driving device comprising: a housing; a bobbin disposed inside the housing; a magnet disposed in the housing; a first coil which is disposed in the bobbin, and is opposite to the magnet; a base disposed on the lower side of the housing; a substrate portion comprising a body portion, which is disposed on the upper surface of the base, and a terminal portion extending toward the lower side of the body portion; a terminal portion accommodating portion which is formed on a side surface of the base and accommodates at least a part of the terminal portion; and an adhesive accommodating groove which is formed in the terminal portion accommodating portion and accommodates at least a part of an adhesive contacting the terminal portion and the terminal portion accommodating portion.

Abstract: A sensor shifting module includes a fixed body; a movable body movably, disposed in the fixed body, comprising an image sensor having an imaging plane oriented in a first direction; a substrate configured to deform based on a movement of the movable body with respect to the fixed body; and a driver, configured to move the movable body in a direction orthogonal to the first direction, comprising a driving coil coupled to one of the fixed body and the movable body, and a driving yoke coupled to another of the fixed body and the movable body. The driving yoke is disposed to oppose the driving coil in the direction orthogonal to the first direction. When current is applied to the driving coil, the movable body is configured to move in the direction orthogonal to the first direction by electromagnetic interaction between the driving coil and the driving yoke.

Abstract: The present disclosure relates to an optical fiber ribbon that provides a high-capacity communication network, is capable of being rolled in a width direction so as to efficiently use a space in a conduit, minimizes separation between ribbons constituting the optical fiber ribbon or damage to optical fibers during a rolling process, and facilitates overall connection or branching at a connection end.

Abstract: A system for tracking a moving vehicle body applies a dynamic projection mapping technique utilizing a high-speed projector. The system includes a tracker configured to track a vehicle body of a vehicle to generate vehicle body position information, a quality inspector configured to generate surface quality information of the vehicle, a matcher configured to generate mapping information in which the vehicle body position information and the surface quality information are mapped, and an indicator configured to display the mapping information on a surface of the vehicle body of the vehicle.

Abstract: In a method for estimating nanoparticles in a solution, a laser-induced plasma is generated by making a pulsed laser beam incident on inside a cell containing a solution, feedback signals is acquired based on light, shock wave and sound generated by the laser-induced plasma, the feedback signals, an intensity of the laser incident on the cell, and intensities of each laser passing through the cell for each laser pulse are acquired, the feedback signals acquired for each laser pulse, the intensity of the laser, and the intensities of the lasers passing through the cell into a pre-trained nanoparticle estimation model is input to estimate sizes or types of unknown nanoparticles included in the solution.

Abstract: A memory device includes first and second material layers alternately stacked; a vertical hole passing through the first and second material layers; first insulating patterns protruding from a side surface of the first material layers exposed through the vertical hole; a blocking layer formed along a surface of the second material layers exposed between the first insulating patterns, the blocking layer comprising a plurality of concave portions, each of which is between the first insulating patterns; and charge trap patterns formed in the concave portions, wherein portions of the blocking layer exposed between the charge trap patterns, wherein a tunnel insulating layer, a channel layer, and a core pillar, are formed in an area that is substantially surrounded by the charge trap patterns.

Abstract: A modifier useful for modifying a polymer providing a functional group having affinity with a filler, particularly, a silica-based filler is provided. A modified conjugated diene-based polymer including a functional group derived from the modifier having excellent affinity with a filler and improved compounding properties, and a method for preparing the same are also provided.

Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.

Abstract: The present invention relates to a conversion device for converting a treatment beam for treating a lesion of a subject, comprising: a collimator unit to which the treatment beam is incident and which has a plurality of slits; and a scattering unit that scatters the treatment beam that has passed through the collimator unit.

Abstract: An aerosol generating device includes a cartridge including at least one storage storing an aerosol generating material, a housing including a first accommodation space for accommodating the cartridge and a second accommodation space for accommodating an aerosol generating article, a first heating portion configured to atomize the aerosol generating material, and a second heating portion configured to heat the aerosol generating article, wherein, when the cartridge is accommodated in the first accommodation space, at least a portion of the cartridge is open, and thus, the aerosol generating material is supplied to the first heating portion.

Abstract: An aerosol generating material discharge assembly includes a storage storing an aerosol generating material and including an air inlet through which external air is introduced, a chamber connected to the storage and configured to receive the aerosol generating material from the storage, and a pump configured to allow the external air to flow into the storage through the air inlet by transferring the aerosol generating material to the chamber.

Abstract: A memory device and operating method of the memory device are provided. The memory device comprises a memory cell storing data based on a first voltage, a row decoder selecting a wordline of the memory cell based on the first voltage, and a wordline predecoder configured to generate a “predec” signal, which is for generating a wordline voltage to be provided to the row decoder. The wordline predecoder is driven by the first voltage and a second voltage, which is different from the first voltage, receives a row address signal, associated with selecting the wordline, and an internal clock signal associated with adjusting operating timings of elements included in the memory device. The wordline predecoder performs a NAND operation on the row address signal and the internal clock signal, and provides the “predec” signal generated based on a result of the NAND operation to the row decoder.

Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.

Abstract: An image is decoded by deriving a first candidate list for the current block by using motion information of neighboring blocks of the current block; deriving a second candidate list for the current block by using previously reconstructed motion information; deriving a third candidate list by using the first candidate list and the second candidate list; and deriving a prediction block for the current block by using the third candidate list.

Abstract: A vehicle roof module includes a front support portion extending in the width direction of the vehicle and connecting the upper bodies of the vehicle with each other, a rear support portion extending in the width direction of the vehicle and provided at a rear of the front support portion, and a reinforcing support portion connecting the front support portion and the rear support portion in a longitudinal direction of the vehicle and including an internal pattern, in which the front support portion, the rear support portion, the reinforcing support portion, and the upper bodies of the vehicle are connected to each other to form a load path for a vehicle collision along the internal pattern of the reinforcing support portion.

Abstract: Disclosed are a metal catalyst with a vertical heterojunction interface and a method of producing the same. The metal catalyst with the vertical heterojunction interface according to an embodiment of the disclosure allows hydrogen adsorbed on a transition metal oxide to be transferred to a transition metal sulfide (hydrogen spillover phenomenon), thereby having effects on having both excellent hydrogen adsorption performance and excellent catalyst activities.

Abstract: A display device includes a display unit including pixels. A sensor unit overlaps with the display unit and includes sensors. A sensor driver transmits a driving signal to the sensors, and receives sensing signals corresponding to the driving signal from the sensors. One sensing period includes a first sensing period and a second sensing period. The sensor driver transmits a first driving signal having a first frequency to the sensors in the first sensing period, and transmits a second driving signal having a second frequency different from the first frequency to the sensors in the second sensing period.

Abstract: An embodiment vibration motor assembly of a seat includes a vibration motor and an upper housing disposed around the vibration motor to hold and fix the vibration motor, the upper housing configured to be fixed to a pad of the seat, and the upper housing including a holding part disposed at a circumference of a front surface of the upper housing to hold a circumference of the vibration motor and a fixing part protruding from a rear surface of the upper housing to cover and fix a rear surface of the vibration motor.