Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 2? or formula 2?, a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifespan properties can be provided by including the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material(s).

Abstract: A negative electrode active material for a lithium secondary battery, including silicon oxide particles, wherein the silicon oxide has a full width at half maximum peak ranging between 2 and 6 in a particle size distribution and the silicon oxide particles have an average particle size (D50) of 1 ?m to 20 ?m, and a negative electrode and a lithium secondary battery comprising the same. The negative electrode active material according to the disclosure has outstanding life performance and output performance.

Abstract: An air conditioning system is provided with an integrated heat exchanger. The air conditioning system generates heating air or cooling air through the integrated heat exchanger that adjusts the temperature of conditioning air by circulating coolant, thus securing cooling and heating efficiency. The air conditioning system adjusts temperature by the coolant circulated in the integrated heat exchanger such that a temperature adjustment door for adjusting the temperature of the conditioning air is eliminated, the number of components is decreased, and the size of an overall package is reduced.

Abstract: An augmented reality (AR) system includes a data generator configured to generate three-dimensional (3D) data corresponding to a press mold product, and an AR terminal configured to convert the 3D data into AR data. The AR terminal includes a data inputter configured to receive the 3D data and display information corresponding to location information of each node of the 3D data. The AR terminal also includes a data processor configured to convert the 3D data into a form of polygon mesh according to a type of form information of the 3D data and generate AR data in a form of 3D virtual model through matching with the display information. The AR terminal additionally includes a data augmentation part configured to augment and match the AR data on a real product displayed on a camera image, and augment and display the display information for each node, through a user interface (UI).

Abstract: An electrode assembly, a manufacturing method, an ultrasonic cutting device, a cylindrical battery including the electrode assembly, a battery pack and a vehicle including the same are provided. In the electrode assembly, two electrodes and a separator interposed therebetween are wound about an axis, at least one of the electrodes includes an uncoated portion provided at a long side end, a winding turn region of the uncoated portion is provided at one end of the electrode assembly, the winding turn region includes a cut portion and a bent portion alternately disposed along a circumferential direction of the electrode assembly, an axial height of the cut portion is smaller than an axial height of the bent portion, the bent portion includes a plurality of uncoated portion flags, and the plurality of uncoated portion flags overlap along and axial direction to define a bending surface region.

Abstract: A method of calculating a collision risk of a ship according to an embodiment of the present disclosure may include: calculating an available velocity area based on maneuvering performance of a host ship; calculating a velocity obstacle area where there is a possibility of collision between an object and the host ship; and calculating a collision risk based on at least one of the available velocity area, the velocity obstacle area, and a preset weight.

Abstract: Proposed is a method for providing at least one channel group by a server. The method may include in response to an interaction from a user terminal requesting creation of a channel group, creating the channel group; in response to the channel group being created. The method may also include creating a default chat channel included in the channel group. The method may further include in response to an interaction from the user terminal requesting creation of a chat channel, creating the chat channel included in the channel group.

Abstract: Provided is a method and an apparatus for targeting an object in a game. The method of targeting an object in a game includes: setting a center point of a first targeting area based on a first input from a user; displaying the first targeting area surrounded by a closed curve around the center point on a screen of a user terminal; displaying a list including at least one object located in the first targeting area on the screen; and moving the first targeting area based on a second input by the user received after the first input.

Abstract: An electrode assembly includes electrodes and a first separator sheet in which the electrodes and first separator sheet portions of the first separator sheet are alternately stacked. The electrode comprises a first electrode and a second electrode. The first separator sheet has a zigzag shape formed by being folded at least twice. A length of the second electrode is shorter than a length of the first electrode. the electrode assembly includes a molding member located between a first section of the first separator sheet wrapping the second electrode and a first outer side surface of the electrode assembly and between the second electrode and a second outer side surface of the electrode assembly.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as host materials, it is possible to provide an organic electroluminescent device having higher luminous efficiency, higher power efficiency, and/or better lifetime properties, compared to conventional organic electroluminescent devices.

Abstract: A cylindrical electrode assembly includes a first electrode and a second electrode that are wound in a state where the first electrode and the second electrode are stacked with a separation layer therebetween. The first electrode includes a first electrode coated portion. The second electrode includes a second electrode coating portion, a second electrode uncoated portion to which a second active material is not applied, and an insulation coating layer at a boundary portion between the second electrode coated portion and the second electrode uncoated portion at an end portion of the second electrode uncoated portion, the insulating coating layer being thinner than the second electrode coating, the boundary portion being located further inward than an end portion of the separation layer in the axial direction, and the boundary portion extending further outward than the end portion of the separation layer in the axial direction.

Abstract: A lithium secondary battery includes a cathode having a cathode active material, an anode having an anode active material, a separator, and an electrolyte. The cathode active material comprises a lithium composite transition metal compound having Ni, Co, and Mn, and has single particles and/or pseudo-single particles. Each single particle consists of one nodule, and each pseudo-single crystal is a composite of 30 or fewer nodules. The single particles and/or pseudo-single particles have an average particle diameter (D50) of 1 ?m or more.

Abstract: A refrigerator for drinks is provided. The refrigerator has an open hole that is open upward to allow a drink container to be inserted in an erect state in a cabinet through the open hole. An insertion guide connected to the open hole is disposed in the cabinet and the width of the insertion guide changes in a height direction. Accordingly, a drink container is guided by the insertion guide when being inserted into or taken out of the refrigerator for drinks.

Abstract: A refrigerator for drinks may include a cabinet and a cooling guide transmitting coldness to a drink container stored in an erect state in the cabinet. Several coolers may be disposed for cooling guides and may cool the cooling guides, respectively, and dispenser nozzles may be disposed to be exposed outside the cabinet, whereby drinks may be dispensed. A surface of a cooling block facing a thermoelectric element of the cooler and a surface of the cooling block facing the cooling guide may have different areas.

Abstract: A refrigerator includes a cabinet, a cooling guide transmitting coldness to a drink container stored in an erect state in the cabinet, a cooler located in the cabinet to cool the cooling guide, and a dispenser nozzle disposed to be at least partially exposed outside the cabinet. The cooler includes a thermoelectric element and a cooling block having a surface facing the thermoelectric element of the cooler and a surface of the cooling block facing the cooling guide, where the surfaces have different areas.

Abstract: The present invention relates to a slim-type air vent of a vehicle. More specifically, the present invention can easily change a flow channel of air, which is discharged toward an exit through an outflow part of a duct, by means of each rotation relative to a hinge, according to a rotation state of a knob. The present invention comprises: a duct having an inflow part through which air is introduced and an outflow part enlarged compared with the inflow part and formed to communicate therewith; a vane device for controlling the direction and the volume of the air discharged through an exit formed in the outflow part of the duct; and a knob for providing a driving force such that the vane device rotates about a hinge.

Abstract: An image processing method includes generating a full image of an area of interest in which unit patterns are repeatedly arranged, blurring each of the unit patterns, calculating respective center positions of each of the unit patterns based on the blurring, setting respective reference positions on each of the unit patterns based on the center positions, cropping the full image into a plurality of unit images, and merging the plurality of unit images based on the reference positions to generate an averaged image.

Abstract: An electronic device includes first and second image sensors, an image signal processor, and a main processor. The first and second image sensors photograph an object in first and second FOVs to generate first and second signals, respectively. The image signal processor generates first image data based on the first signal, generates second image data based on the second signal, and generates cropped image data based on cropping ROI from the second image data. The main processor generates a first video stream based on the first image data, generates a second video stream based on the cropped image data, and outputs the first video stream to a display device. The main processor stops outputting the first video stream to the display device and initiates outputting the second video stream to the display device in response to receiving a user input command.

Abstract: A refrigerator for drinks is provided. The refrigerator may include a cabinet having a storage compartment therein, and a dispenser nozzle disposed to be at least partially exposed outside the cabinet. A pump connection line being able to increase pressure in a drink container by delivering high-pressure air into the drink container and a tank connection line preventing oxidation of the drink in the drink container by delivering an unreactive gas into the drink container may be disposed in the cabinet. Accordingly, two functions of discharging a drink and preventing oxidation may be individually performed, so consumption of an unreactive gas may be reduced.

Abstract: An electronic device includes first and second image sensors, an image signal processor, and a main processor. The first and second image sensors photograph an object in first and second FOVs to generate first and second signals, respectively. The image signal processor generates first image data based on the first signal, generates second image data based on the second signal, and generates cropped image data based on cropping ROI from the second image data. The main processor generates a first video stream based on the first image data, generates a second video stream based on the cropped image data, and outputs the first video stream to a display device. The main processor stops outputting the first video stream to the display device and initiates outputting the second video stream to the display device in response to receiving a user input command.