Abstract: Disclosed herein is a switched reluctance motor assembly, wherein a lower balancing part, which becomes a target to be cut for balancing, includes a lower balancing part body installed on a lower surface of a rotor part and an encoder protruding on a lower surface of the lower balancing part body. In the present invention, the encoder, which is a portion of a balancing part, becomes a target to be cut, thereby making it possible to more effectively perform balancing even with a smaller amount of cutting as compared with the prior art.

Abstract: Disclosed herein are a switched reluctance motor assembly and a method of assembling the same. The switched reluctance motor assembly includes: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled on the shaft; a balancing part installed on upper and lower surfaces of the rotor part; and an impeller part installed on the balancing part, wherein the balancing part and the impeller part are formed integrally with or directly coupled to each other to prevent generation of unbalance at the time of attaching the impeller part, thereby making it possible to promote stable rotation.

Abstract: Disclosed herein is a bearing module for a motor that rotatably supports a rotational shaft and is sintered and molded, including: an upper bearing; and a lower bearing coupled to the upper bearing, wherein an oil receiving portion is formed in at least one of the upper bearing and the lower bearing.

Abstract: Disclosed herein is an image photographing device having a function for compensating hand vibration. The image photographing device having a function for compensating hand vibration includes: an optical unit; a magnet combined with an outer peripheral surface of the optical unit; a housing inserted with the optical unit and the magnet and having coils disposed at a position corresponding to the magnet; suspension wires arranged at four corners of the optical unit, having the upper end portions and the lower end portions each combined with the optical unit and the housing to support the optical unit in a state floated from the bottom surface of the housing, and having a predetermined bending part formed at any point; a flexible printed circuit board surrounding the outer peripheral surface of the housing and applying current to the coils; and a substrate having the image sensor mounted on the top surface thereof and combined with the lower portion of the housing.

Abstract: Disclosed herein is a fan motor assembly. A motor includes a rotor unit and a stator unit. An impeller is provided on an upper end of a motor shaft of the motor. The impeller is rotated by the motor to suck air. The impeller includes a pair of plates that face each other, and a plurality of blades that are disposed between the plates at positions spaced apart from each other at regular intervals. A diffuser is disposed around an outlet formed in a periphery of the impeller. A motor housing encases the rotor unit and the stator unit therein. A sensing unit is provided on a lower end of the motor shaft that extends outwards from the motor housing. The sensing unit senses the rotation of the rotor unit. An inductor is installed in the motor housing.

Abstract: Disclosed herein is a motor assembly for a vacuum cleaner, the motor assembly including: an inlet introducing air therethrough; a motor; an impeller installed on a shaft of the motor and including a plurality of blades disposed at predetermined intervals between a pair of plates facing each other so that it rotates by the motor to suck the air; a diffuser disposed at an outer side of a discharge hole formed at an edge of the impeller; a first fan including a plurality of blade parts disposed at predetermined intervals while having the shaft as a concentric axis and disposed beneath the diffuser; and an outlet discharging the air to the outside.

Abstract: Disclosed herein is a switched reluctance motor including: a stator part including a plurality of salient poles formed at an inner peripheral surface thereof and coils wound around the salient poles; and a rotor part rotatably inserted into an inner portion of the stator part to thereby rotate in one direction by a reluctance torque, wherein the rotor part includes: a rotor including a rotor core provided with a shaft hole into which a shaft is inserted and a plurality of rotor salient poles formed to be protruded from the rotor core so as to face the salient poles of the stator part; and a blade part disposed between the rotor salient poles to thereby generate a fluid flow in a direction of the shaft.

Abstract: Disclosed herein is a transversal switched reluctance motor including: a rotor assembly formed by arranging a plurality of rotors including a rotor pole mounting part having a shaft coupled to an inner portion thereof and a plurality of rotor poles coupled to the rotor pole mounting part along an outer peripheral surface thereof in a direction of the shaft; and a stator assembly including a plurality of stators each including a coil enclosing an outer peripheral surface of the rotor assembly so that the rotor assembly is rotatably received in an inner portion thereof and a plurality of stator cores fitted with the coil from one side direction thereof along an outer peripheral surface thereof to thereby face the plurality of rotor poles, wherein the stator core has a C shaped cross section with respect to the direction of the shaft around which the rotor assembly rotates.

Abstract: A linear vibrator is disclosed. The linear vibrator in accordance with an embodiment of the present invention includes a base, a coil unit, which is coupled to the base, a magnet assembly, which forms a closed circuit of a magnetic force perpendicular to an electric current flowing through the coil unit and in which the magnet assembly relatively moves with respect to the coil unit, and an elastic member, which elastically supports the magnet assembly. Thus, a linear vibrator with an increased driving force can be provided by preventing the leakage of magnetic flux.

Abstract: Disclosed herein is an image photographing device having a function for compensating hand vibration. The image photographing device having a function for compensating hand vibration includes: an optical unit; a magnet combined with an outer peripheral surface of the optical unit; a housing inserted with the optical unit and the magnet and having coils disposed at a position corresponding to the magnet; suspension wires arranged at four corners of the optical unit, having the upper end portions and the lower end portions each combined with the optical unit and the housing to support the optical unit in a state floated from the bottom surface of the housing, and having a predetermined bending part formed at any point; a flexible printed circuit board surrounding the outer peripheral surface of the housing and applying current to the coils; and a substrate having the image sensor mounted on the top surface thereof and combined with the lower portion of the housing.

Abstract: An anodized metal substrate module superior in heat radiation properties and reduced in manufacturing costs. A metal plate is provided. An anodized film is formed on the metal plate. A heat generating device is mounted on the metal plate. Also, a conductive line is formed on the anodized film.

Abstract: Disclosed is a camera module with a hinge spring which can stably support a lens barrel which is driven in a vertical direction for automatic focusing and which is made of lightweight resin, the camera module including a cylindrical lens barrel with lenses disposed therein for collecting images of external objects, a housing encasing the lens barrel in a manner such that the lens barrel vertically moves in an optical axis direction of the lenses, an automatic focusing actuator installed in the housing to cause linear motion of the lens barrel in the optical axis direction, and a ring-shaped hinge spring extrusion-molded using resin having elasticity to support an upper portion of the lens barrel and guide the linear motion of the lens barrel.

Abstract: A linear vibrator is disclosed. The linear vibrator in accordance with an embodiment of the present invention includes a base, a coil unit, which is coupled to the base, a magnet assembly, which forms a closed circuit of a magnetic force perpendicular to an electric current flowing through the coil unit and in which the magnet assembly relatively moves with respect to the coil unit, and an elastic member, which elastically supports the magnet assembly. Thus, a linear vibrator with an increased driving force can be provided by preventing the leakage of magnetic flux.

Abstract: An actuator used for a camera module and controlling a lens assembly to move along an optical axis, includes a magnet disposed on a side of the lens assembly, a coil part disposed within a magnetic field of the magnet and controlling an up-and-down movement of the lens assembly when an electric power is applied, and a yoke part disposed to horizontally move the magnet disposed on the side of the lens assembly. The lens assembly is provided with a friction-generating member generating a frictional force to the lens assembly in an opposite direction to a direction in which the lens assembly moves to the yoke part.

Abstract: Provided is a shutter device including a coil layer that includes one or more substrates having a through-hole formed in the center thereof and a coil installed thereon, the coil generating a magnetic field when a current is applied; and a shutter layer that is installed on one surface of the coil layer and includes a shutter case having a shape corresponding to the substrate and a pair of shutter blades which are connected to flexible suspensions formed in the shutter case, respectively. The shutter blades open and close the through-hole of the substrate, while being moved in the reverse direction to each other by an electromagnetic force caused by an interaction with the magnetic field generated by the coil and returning to the original position due to the recovery force of the flexible suspensions when the electromagnetic force is canceled.

Abstract: Disclosed is a camera module with a hinge spring which can stably support a lens barrel which is driven in a vertical direction for automatic focusing and which is made of lightweight resin, the camera module including a cylindrical lens barrel with lenses disposed therein for collecting images of external objects, a housing encasing the lens barrel in a manner such that the lens barrel vertically moves in an optical axis direction of the lenses, an automatic focusing actuator installed in the housing to cause linear motion of the lens barrel in the optical axis direction, and a ring-shaped hinge spring extrusion-molded using resin having elasticity to support an upper portion of the lens barrel and guide the linear motion of the lens barrel.

Abstract: An actuator used for a camera module and controlling a lens assembly to move along an optical axis, includes a magnet disposed on a side of the lens assembly, a coil part disposed within a magnetic field of the magnet and controlling an up-and-down movement of the lens assembly when an electric power is applied, and a yoke part disposed to horizontally move the magnet disposed on the side of the lens assembly. The lens assembly is provided with a friction-generating member generating a frictional force to the lens assembly in an opposite direction to a direction in which the lens assembly moves to the yoke part.

Abstract: An LED package is improved in heat radiating performance. The LED package includes a package substrate having heat radiating means; a heat radiating layer arranged on the package substrate with an area at least larger than a mounting area of a light emitting diode chip to provide a horizontal heat radiating path; and an electrically-connecting structure including first and second conductive leads arranged on the heat radiating layer. The light emitting diode chip is mounted on the heat radiating layer or the first conductive lead by a heat conductive adhesive layer.

Abstract: Provided is a laminated ceramic substrate. The laminated ceramic substrate includes a first ceramic layer, a second ceramic layer, and a third ceramic layer. The first ceramic layer is formed of a material with a first thermal expansion coefficient. The second ceramic layer is laminated on one side of the first ceramic layer. The second ceramic layer is formed of a material with a second thermal expansion coefficient different from the first thermal expansion coefficient. The third ceramic layer is laminated on the other side of the first ceramic layer. The third ceramic layer is formed of a material with the second thermal expansion coefficient. The third ceramic layer has a different thickness than the second ceramic layer.

Abstract: Disclosed is a semiconductor device package. The semiconductor device package includes at least one semiconductor device acting as a heating source, a package substrate having an upper surface on which the semiconductor device is mounted, the package substrate at least having a higher heat conductivity than that of the semiconductor device, and a fiber-reinforced polymer composite formed to surround a side surface of the package substrate, the polymer composite including fibers acting as a reinforcing material and a resin mass embedding the fibers therein.