Abstract: A light emitting apparatus including a first light emitter including at least one first light emitting diode and a wavelength converter, and a second light emitter including at least one second light emitting diode, in which the first light emitting diode emits light having a central wavelength in a range of violet or blue, the second light emitting diode emits light having a central wavelength in a range of about 400 nm to 420 nm, the wavelength converter includes green and red phosphors to convert light of the first light emitting diode into the white light, in the white light, an irradiance of light emitted from the first light emitting diode is less than that from the red phosphor, and an irradiance of light emitted from the second light emitting diode is greater than that of the white light emitted from the first light emitter at the same wavelength.

Abstract: Provided is a method for manufacturing small and uniform light-emission type organic nanoparticles with improved yield. The method for manufacturing light-emission type organic nanoparticles according to the present invention comprises the steps of: (S1) preparing the first mixture by mixing an organic phosphor and a surfactant; and (S2) preparing a dispersion solution by mixing the first mixture with the first solvent which is an anti-solvent for the organic phosphor.

Abstract: The present disclosure relates to a handpiece for relieving pain and swelling in skin of a person being treated, including a housing, a cartridge having a transducer that emits ultrasonic waves, and a vertical movement unit mounted in the housing and configured to move the transducer in a vertical direction by a magnetic force.

Abstract: The present invention may provide a motor including a shaft, a rotor coupled to the shaft, a stator disposed to correspond to the rotor, a bearing housing coupled to the shaft, and a bearing which supports the bearing housing, wherein the rotor includes a rotor core and a magnet coupled to the rotor core, and the bearing housing includes a first surface in contact with the bearing, a second surface in contact with the rotor core, and a third surface in contact with the shaft.

Abstract: Disclosed is a pretreatment method for utilization of coal pond ash (coal ash buried in ash ponds near coal-fired power plants), and more specifically a treatment method of coal pond ash capable of utilizing coal ash with high efficiency through simple separation processes including screening, float-sink, flotation, grinding, and magnetic separation.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.

Abstract: A vehicle lamp that achieves a slim design while forming an optimal beam pattern generates a beam pattern using a plurality of lamp modules. The plurality of lamp modules are arranged in one direction, and each of the plurality of lamp modules includes a light source that generate light; an optical guide unit, which guides incident light from the light source to be emitted forward; and an optical lens, which transmits the incident light from the optical guide unit therethrough to allow the beam pattern to be generated.

Abstract: An electric vehicle includes a main battery and an auxiliary battery, a motor system including a motor and an inverter, and a controller which is configured to control an external voltage to be applied to the main battery or the auxiliary battery according to a level of the external voltage when a charging mode for charging the main battery and the auxiliary battery is performed, wherein the motor system is configured to step down and output a voltage of the main battery to the auxiliary battery when the external voltage is applied to the main battery, and is configured to boost and output a voltage of the auxiliary battery to the main battery when the external voltage is applied to the auxiliary battery.

Abstract: A wire guide for an airbag includes a first connection portion connected to a wire harness, a second connection portion connected to a branch wire branching off from the wire harness, and an elastic portion connecting the first and second connection portions and provided to be elastically deformable, in which a cross-section of the wire guide is formed in a ‘?’ shape, and the wire guide limits an installation route for the branch wire that transmits power and a control signal to a lighting emblem module provided on an airbag cover that accommodates an airbag module therein.

Abstract: An electrified vehicle includes a motor including a plurality of windings corresponding to each of phases; an inverter including a DC terminal connected to a main battery, and a plurality of legs connected to each end of the windings; a charging switch connected between one electrode of an auxiliary battery and a neutral terminal of the motor, and a controller configured to turn on the charging switch and to apply a DC offset to each of phase currents of the motor having the phases when the charging mode is performed while driving.

Abstract: A thermal management fluid module for a vehicle according to one embodiment of the present invention includes a manifold plate, in which a fluid passage is formed in one surface of the manifold plate and the fluid passage is formed along one passage layer, and a valve which is coupled to another surface of the manifold plate and expands a fluid or controls a flow direction of the fluid, wherein the valve is disposed on a layer different from the passage layer of the fluid passage and can communicate with the fluid passage.

Abstract: A reclining device for a vehicle seat includes a rotary bracket having a center portion rotatably connected to a first frame and having a first locking section and a second locking section connected to the first locking section, and a cam configured to rotate about a center portion connected to the first frame and having a locking portion provided at one end thereof and positioned in the first locking section or the second locking section so as to be locked.

Abstract: A disclosed circuit board includes: an insulating layer; a contact layer disposed on a first surface of the insulating layer; a connecting layer including a connecting portion embedded in the insulating layer and disposed on the contact layer; a via penetrating the insulating layer and connected to the connecting layer; and a wiring layer disposed on a second surface of the insulating layer opposing the first surface and connected to the via. The connecting portion includes a first connecting layer portion disposed on the contact layer and a second connecting layer portion disposed on the first connecting layer portion. The insulating layer includes a first portion embedding the first connecting layer portion and surrounding the first connecting layer portion and a second portion embedding the second connecting layer portion. The insulating layer includes a cavity penetrating the second portion. The first portion has a smaller area than the second portion.

Abstract: A duct for a ventilation seat of a vehicle includes a seat cushion duct and a seatback duct that are interconnected so as to communicate with each other via a telescopic sliding duct. The telescopic sliding duct is variable in length in a forward-backward direction such that a length of the telescopic sliding duct interconnecting the seat cushion duct and the seatback duct may be increased when the seatback is folded, and the length of the telescopic sliding duct interconnecting the seat cushion duct and the seatback duct may be reduced when the seatback is unfolded. Because the telescopic sliding duct can vary in length, it is possible to avoid damage due to a load applied to the telescopic sliding duct by folding and unfolding operations of the seatback. Further, it is possible to easily supply air to the seatback and the seat cushion without leakage of air.

Abstract: A game apparatus including a plurality of first and second player game pieces, each having a first portion that is a chess piece, such that the plurality of first and second player game pieces include all the pieces for a first and second player, respectively for a game of chess. Each of the plurality of first and second player game pieces has a second portion fixed to a corresponding first portion. Each second portion has a recess so that a cube can be inserted into the recess so the cube cannot be seen from a front of the second portion. The game apparatus may further include a base; a grid; and a first and/or second plurality of insert pieces. The grid and the base form a chessboard pattern of a plurality of grid spaces. Each of the insert pieces fits within a space of the plurality of grid spaces.

Abstract: The present disclosure relates to a composition for manufacturing a polyimide film and a polyimide film for a flexible metal clad laminate manufactured using the same. According to an aspect of the present disclosure, there is provided a composition for manufacturing a polyimide film, the composition comprising: an aromatic dianhydride; a diamine; and a curing catalyst, wherein the curing catalyst includes one or more selected from the group consisting of an imidazole-based compound, a quinolone-based compound, and a quinoline-based compound.

Abstract: The present disclosure relates to an air purifier and, more particularly, to an air purifier capable of introducing a filter support structure including a first body supporting a filter member and having a protruding part on a lower surface thereof, and a second body disposed at a lower portion of the first body and having a groove part having an inclined surface in contact with the protruding part formed at one side thereof, thereby allowing the filter member drawn out of the housing to be inserted into an inner space of the housing and simultaneously moving the filter member upward to form a sealing against a latching part, thereby enhancing convenience of filter management and improving air tightness of the filter member.

Abstract: A laser system comprises a femtosecond laser, and a beam delivery system configured to deliver and scan a laser beam emanating from the femtosecond laser onto wood, based on a desired graphene design, wherein graphene is formed on the wood by the laser beam. A device capable of being fabricated by the laser system may include a temperature sensor which detects a temperature by measuring resistance of the graphene, a heater or a boiler which converts electrical energy to thermal energy, or electrical interconnects.

Abstract: First and second signals respectively associated with first and second motors are obtained. First and second motor wear metric that respectively represent an amount of wear associated with the first and second motors are determined based at least in part on the first and second signals, respectively. It is determined whether at least one of the first or second motor wear metrics exceeds a failure threshold. The VTOL vehicle is automatically prevented from performing a vertical takeoff attempt if least one of the first or second motor wear metrics exceeds the failure threshold. The first and second rotors are respectively positioned at first and second angles relative to a horizontal plane, at least during a hovering mode of the VTOL vehicle. The first and second angles are different angles. The first and second motors are respectively associated with the first and second rotors.

Abstract: An apparatus for controlling autonomous driving and a method for the same are provided. The apparatus includes a sensor device provided in a vehicle to acquire information on a collision risk during autonomous driving of the vehicle, a user input sensing device to sense a control input, which is input from a user of the vehicle, for switching an autonomous driving mode, and a processor to determine a collision risk, based on the information acquired through the sensor device, to determine whether to switch the autonomous driving mode, based on the control input of the user, when the collision risk is determined as being present, and to control autonomous driving of the vehicle, based on a determination result of whether to switch the autonomous driving mode.