Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.

Abstract: A cylindrical secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate; a cylindrical case having a disk-shaped top portion and a side portion extending from the top portion, the cylindrical case accommodating the electrode assembly; a cathode terminal extending through the top portion and insulated therefrom; a first current collector plate electrically connected to the first electrode plate and the cathode terminal; a second current collector plate electrically connected to the second electrode plate and the side portion of the cylindrical case; a cap plate coupled to the side portion and insulated therefrom; and an insulation tape between the top portion of the cylindrical case and the first current collector plate and covering the first current collector plate.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: A cylindrical secondary battery and a manufacturing method of a secondary battery are provided. A manufacturing method of a cylindrical secondary battery includes: winding an electrode assembly to expose a first electrode uncoated portion and a second electrode uncoated portion to opposite ends in a longitudinal direction; bending at least some portions of the first electrode uncoated portion and the second electrode uncoated portion of the electrode assembly in a direction by pressing the first electrode uncoated portion and the second electrode uncoated portion; welding electrode collector plates to ends of the bent first and second electrode uncoated portions; and inserting and sealing the electrode assembly into a cylindrical case.

Abstract: An apparatus and method for reducing the power consumption of a Base Station (BS) in a multi antenna system are provided. The method for reducing the power consumption of the BS includes identifying an amount of resources being in use for communication, determining whether to convert at least one Radio Frequency (RF) unit into a power saving mode considering the amount of resources, if converting at least one RF unit into the power saving mode, turning OFF a power supply of a power amplifier of at least one of at least two antenna paths constituting the at least one RF unit converted into the power saving mode, and increasing a gain of at least one antenna path turning ON a power supply such that a transmission Power Spectral Density (PSD) is not changed according to the power saving mode conversion.

Abstract: A head-up display for a vehicle in which an assembly structure of a screen and a picture generation unit (PGU) is reinforced. The head-up display for a vehicle according to one embodiment includes a lower case embedded with a board assembly, and a screen connected to the lower case in a plurality of directions and snap-fit-coupled to the lower case by passing through the board assembly in at least one direction.

Abstract: A forming method of an yttrium oxide fluoride (YOF) coating film and a (YOF) coating film formed thereby are disclosed. The YOF coating film has no or extremely small pores therein and a nanostructure to increase light transmittance thereof, and has high hardness and high bonding strength and thus can protect a transparent window of a display device. The method for forming an YOF coating film involves the steps of: providing pretreated YOF powder having a particle diameter ranging from 0.1 to 12 ?m; receiving a transfer gas supplied from a transfer gas supply unit and receiving the pretreated YOF powder supplied from a powder supply unit to transfer the pretreated YOF powder in an aerosol state; and colliding/smashing (spraying) the pretreated YOF powder transferred in the aerosol state with/onto a substrate in a process chamber to form an YOF coating film on the substrate.

Abstract: A head-up display for a vehicle in which an assembly structure of a screen and a picture generation unit (PGU) is reinforced. The head-up display for a vehicle according to one embodiment includes a lower case embedded with a board assembly, and a screen connected to the lower case in a plurality of directions and snap-fit-coupled to the lower case by passing through the board assembly in at least one direction.

Abstract: Disclosed are a head-up display for a vehicle and a method of controlling the same. The head-up display may include a casing unit, a hinge unit rotatably mounted on the casing unit, a holder unit mounted on the hinge unit, wherein a combiner is positioned on the holder unit, an actuation unit coupled to the hinge unit and configured to rotate the hinge unit, a detection unit configured to detect an initial location of the hinge unit, and a controller configured to receive a detection signal of the detection unit and drive the actuation unit. Accordingly, precise control of the combiner may be possible although only the initial location of the hinge unit is detected.

Abstract: The present invention relates to a vehicle head-up display having an external light blocking function, and more particularly, to a vehicle head-up display having an external light blocking function capable of blocking external light from being emitted to a picture generate unit.

Abstract: According to at least one aspect, the present disclosure provides a head-up display device comprising: a housing including a receiving space within; a picture generation unit (PGU) disposed within the housing, for projecting an image related to vehicle driving information; one or more reflection members for reflecting an image projected from the PGU; a fixing member formed to be fixed to a vehicle body; and one or more length adjustment members coupled to the fixing member, for movably supporting the housing.

Abstract: Provided are an electronic brake system and a method of operating the same, capable of performing a normal operation mode and an abnormal operation mode by including an integrated master cylinder configured to discharge a pressurizing medium according to a displacement of a brake pedal while providing a driver with a pedal fee, a liquid pressure supply device configured to generate a liquid pressure by operating a hydraulic piston according to an electrical being output on the basis of the displacement of the brake pedal, and a hydraulic control unit configured to a liquid pressure of a pressurizing medium to be supplied to each wheel cylinder.

Abstract: An electronic brake system and a method for operating the same are disclosed. The electronic brake system includes an integrated master cylinder, a hydraulic-pressure supply device, and a hydraulic control unit. The integrated master cylinder allows a brake fluid to be discharged based on displacement of a brake pedal and at the same time provides proper pedal feel for the user. The hydraulic-pressure supply device generates hydraulic pressure by operating a hydraulic piston in response to an electrical signal that is output in response to displacement of the brake pedal. The hydraulic control unit controls hydraulic pressure of brake fluid supplied to respective wheel cylinders. The electronic brake system operates in different ways according to a normal operation mode and an abnormal operation mode.

Abstract: An electronic brake system and a method for operating the same are disclosed. The electronic brake system includes an integrated master cylinder, a hydraulic-pressure supply device, and a hydraulic control unit. The integrated master cylinder allows a pressing medium to be discharged based on displacement of a brake pedal and at the same time provides proper pedal feel for the user. The hydraulic control unit controls hydraulic pressure of a pressing medium supplied to respective wheel cylinders. The electronic brake system operates in different ways according to a normal operation mode and an abnormal operation mode.

Abstract: A vehicle head-up display that automatically repositions an eyebox by measuring a distance to a driver's face and a method of controlling the same are disclosed. A method of controlling a vehicle head-up display according to some embodiments includes performing a distance measurement by using a displacement sensor for measuring a distance to a face of a driver and performing a display position adjustment including adjusting a display position and a display angle of head-up display information based on a measured distance to the face of the driver. Positioning of driver's face and then automatically adjusting the display position and the display angle of the head-up display information adaptively to individual drivers can reduce the inconveniences of the manual setting of the head-up display in a vehicle frequented with car-sharing drivers.

Abstract: A path providing apparatus includes a communication interface configured to obtain current location data of a vehicle, receive obstacle data of moving objects, and receive a path finding command including a first location and a second location of the vehicle; and a processor configured to generate a virtual vehicle swarm comprising a plurality of virtual vehicles, generate a plurality of pieces of path prediction data by virtually driving each of the plurality of virtual vehicles on a first map based on the current location data, update the plurality of pieces of path prediction data by virtually driving each of the plurality of virtual vehicles on a second map based on the obstacle data, and generate optimal path data from among the updated plurality of pieces of path prediction data based on the path finding command including the first location and the second location.

Abstract: A vehicle head-up display apparatus and manufacturing method thereof are disclosed. The present disclosure in some embodiments provides a vehicle head-up display apparatus including a lower case, an aspherical mirror, a plurality of plate springs, and a screen. The aspherical mirror has opposite ends respectively formed with spherical mounts that rotatably attach the aspherical mirror to the lower case. Each of the plate springs are respectively positioned above one of the spherical mounts to limit displacements of the spherical mounts. The screen includes at least one or more combining holes configured to be coupled with the plate springs and is configured to be coupled with the lower case. Here, the lower case includes a plurality of reception blocks configured to seat the spherical mounts from underneath and formed in a shape conformable to the spherical mounts to allow no clearance against the spherical mounts.

Abstract: Provided is a contamination detecting system including at least one moving device; a monitoring unit configured to detect whether a contamination situation is occurring; a control unit configured to dispatch the at least one moving device in an anticipated contaminated region in response to the occurrence of a contamination situation, configure a moving route of the moving device, and controlling a contamination detecting operation of the moving device; a map receiving unit configured to receive an anticipated contamination map for the anticipated contamination region from the moving device; and a map updating unit configured to receive a contamination detection result of the moving device in a region corresponding to the anticipated contamination map and updates the anticipated contamination map in correspondence thereto.