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: An embodiment of the present invention provides a load sharing control device included in each of multiple power supply devices connected to a load in parallel, the load sharing control device comprising: a first control unit for generating a first control signal which controls an output current of a power supply device, by using the output current of the power supply device and a current of a load share bus; and a second control unit for generating a second control signal which controls an output voltage of the power supply device, by using a target voltage of the power supply device, a feedback voltage received as feedback from the output voltage of the power supply device, and a control voltage according to the first control signal of the first control unit, wherein the first control unit generates the first control signal so that the output current is identical to the current of the load share bus, and limits the output current to a threshold current or less.

Abstract: A light detection and ranging (LiDAR) system includes light emitters that emit beams of light of substantially equal intensities. The light emitters form a beam polarization pattern with beams having varying polarizations. The LiDAR system also will include a receiver to receive light reflected from the object. An analyzer will determine characteristic differences between the beam polarization pattern of the beams emitted toward the object and an intensity pattern of the light reflected from the object, determine a reflection position that is associated with the light reflected from the object, and use the determined characteristic differences to determine whether the reflection position is a position of the object or a position of a ghost.

Abstract: A lens moving apparatus can include a cover member comprising an upper plate and a lateral plate extending from the upper plate, a bobbin disposed in the cover member, a coil disposed on the bobbin, a driving magnet disposed between the coil and the lateral plate of the cover member, and a sensing magnet disposed on the bobbin. Also, the lens moving apparatus can further include a circuit board disposed on the lateral plate of the cover member, and a position sensor disposed on the circuit board and configured to sense the sensing magnet, in which a part of the coil is disposed between the sensing magnet and the circuit board.

Abstract: A semiconductor package according to an embodiment includes a first insulating layer; a first pad disposed on a first surface of the first insulating layer; a second pad disposed on a second surface of the first insulating layer opposite to the first surface; and a first through part passing through the first insulating layer, wherein the first through part comprises a first-first through electrode disposed in a first region of the first insulating layer; and a first-second through electrode disposed in a second region of the first insulating layer, wherein the second region is adjacent to an outer side surface of the first insulating layer, wherein an outer side surface of the first-second through electrode is positioned on the same plane as the outer side surface of the first insulating layer, and wherein the first pad extends from the first region of the first insulating layer to the second region to connect the first-first through electrode and the first-second through electrode.

Abstract: An embodiment relates to a motor comprising: a shaft; a rotor coupled to the shaft; and a stator disposed on the outside of the rotor, wherein the stator comprises a stator core, an insulator disposed on the stator core, and a coil wound around the insulator, and the stator core is formed by arranging a plurality of unit stator cores in the circumferential direction, and a welded portion is formed by welding regions where unit yokes of the unit stator cores meet each other on the upper side and the lower side of the stator core. Accordingly, cogging torque and torque ripple of the motor may be reduced.

Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed inside of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.

Abstract: This embodiment relates to a motor comprising: a housing; a stator disposed within the housing; a rotor disposed inside the stator; and a shaft coupled to the rotor. The housing includes a body and a plurality of protrusions that protrude inward from the inner circumferential surface of the body, and the stator includes a stator core and a coil wound on the stator core. The inner surfaces, which are the inside surfaces of the protrusions, are in contact with the outer circumferential surface of the stator core, and the protrusions are disposed spaced apart at predetermined intervals along the circumferential direction such that gaps (G) are formed in the radial direction between the outer circumferential surface of the stator core and the inner circumferential surface of the body. Accordingly, the protrusions formed on the housing of the motor reduce the amount of contact between the housing and the stator core, and can thus improve friction torque performance.

Abstract: A circuit board according to an embodiment includes an insulating layer; and a via formed in the insulating layer; wherein a width of an upper surface of the via is greater than a width of a lower surface of the via, and wherein the width of the lower surface of the via is 75% to 95% of the width of the upper surface of the via.

Abstract: The present embodiment relates to a light transmission band change unit comprising: a base including a first axis; a blade arranged on the base and including a body, which has a first hole having a lens and an infrared pass filter arranged therein, a second hole having an infrared cut filter arranged therein, and a third hole into which the first axis is inserted; a magnet arranged between the base and the blade; a core coupled with the base and having a coil arranged thereon; and a blade cover including an upper plate arranged on the blade so as to have a fourth hole formed at a position corresponding to the lens, wherein at least a portion of the lens is arranged within the fourth hole.

Abstract: A method of controlling a wireless power transmitter to detect a foreign object can include in response to a wireless power receiver being placed in a charging area of the wireless power transmitter, determining a current peak frequency; collecting a communication error count related to communication between the wireless power transmitter and the wireless power receiver; determining a reference frequency for detecting the foreign object based on a reference peak frequency received from the wireless power receiver; and determining that the foreign object is present within the charging area based on the current peak frequency, the communication error count and the reference frequency.

Abstract: One embodiment discloses a DC-DC converter which, in a solar-related energy storage system, cuts-off the over-discharging of a battery, and a control method thereof. Specifically, disclosed are a DC-DC converter which protects a battery by appropriately switching between a sleep mode which minimizes battery consumption by maintaining only minimized functions and a cut-off mode which prevents the battery from over-discharging by physically cutting off a circuit connected to the battery, and a control method thereof. Also, an embodiment discloses a DC-DC converter or reverse wiring protection device for between a solar panel and a battery.

Abstract: A thermoelectric element according to one embodiment of the present disclosure includes a lower metal substrate, a lower insulating layer disposed on the lower metal substrate, a plurality of lower electrodes disposed on the lower insulating layer to be spaced apart from each other, a plurality of P-type thermoelectric legs and a plurality of N-type thermoelectric legs disposed on the plurality of lower electrodes, a plurality of upper electrodes disposed on the plurality of P-type thermoelectric legs and the plurality of N-type thermoelectric legs to be spaced apart from each other, an upper insulating layer disposed on the plurality of upper electrodes, and an upper metal substrate disposed on the upper insulating layer, wherein the lower insulating layer includes a first insulating layer disposed on the lower metal substrate and a plurality of second insulating layers disposed on the first insulating layer to be spaced apart from each other.

Abstract: The present invention may provide a motor including a housing, a stator disposed in the housing, a rotor disposed inside the stator, and a shaft coupled to the rotor, wherein the stator includes a stator core, a first insulator disposed on the stator core, and a coil disposed on the first insulator, the first insulator includes a body on which the coil is disposed, a guide extending from one side of the body and including an opening, and a holder extending from one portion of the guide and including a groove, and one portion of the coil is disposed in the opening of the guide and the groove of the holder.

Abstract: An embodiment relates to a motor comprising: a shaft; a rotor connected to the shaft; and a stator disposed outside the rotor, wherein the rotor includes N rotor cores, and the number of holes formed through each of the N rotor cores is at least 2N. Accordingly, the motor allows the rotor to have a skew angle by using the multiple holes formed through the rotor cores.

Abstract: Embodiments provide a lens moving apparatus including a first magnet, a housing, a bobbin, around which a coil is wound and which moves in a first direction in the housing, an upper elastic member disposed on upper surfaces of the bobbin and the housing, a lower elastic member disposed under lower surfaces of the bobbin and the housing, and a damping member disposed between the upper or lower elastic member and the bobbin.

Abstract: The present invention may provide a motor comprising: a shaft; a rotor coupled to the shaft; and a stator disposed so as to correspond to the rotor, wherein the stator comprises: a yoke; a tooth protruding from the yoke; and an insulator disposed on the tooth, wherein the insulator comprises: a body having a coil wound therearound; and an inner guide disposed in the body in a radial direction, wherein the tooth comprises: a first surface facing the rotor; a second surface forming a shoe of the tooth; and a third surface connecting the first surface and the second surface, and wherein the inner guide is disposed so as to not overlap with the third surface in an axial direction.

Abstract: A circuit board according to an embodiment includes an insulating portion; and a pattern portion disposed on the insulating portion, wherein the insulating portion includes: a first insulating region, and a second insulating region disposed outside the first insulating region and spaced apart from the first insulating region with a separation region therebetween; wherein the pattern portion includes: a first pattern portion for signal transmission; and a second pattern portion including a dummy pattern separated from the first pattern portion, wherein the first pattern portion includes: a first terminal portion disposed on the first insulating region; a second terminal portion disposed on the second insulating region; and a connection portion disposed on the separation region and connecting between the first terminal portion and the second terminal portion, wherein the second pattern portion includes: a second-first pattern portion disposed on the first insulating region; and a second-second pattern portion d

Abstract: A lens driving device is provided, including: a holder member; a bobbin disposed at an inner side of the holder member; a magnet disposed at the holder member; a first coil unit disposed at the bobbin, and facing the magnet; a first support member coupled to the holder member and the bobbin; and a detection sensor disposed at the bobbin, and configured to detect magnetic force of the magnet, wherein the magnet includes a facing surface and an opposite surface disposed at an opposite side of the facing surface, wherein a polarity of the facing surface and a polarity of the opposite surface are different from each other, wherein a polarity of an upper portion of the facing surface and a polarity of a lower portion of the facing surface are different from each other. According to an embodiment, Hall output detected by the detection sensor can be enhanced.

Abstract: An optical device is provided. An optical device according to one aspect of the present invention comprises: a first main body including a first hole; a second main body including a second hole and connected to the first main body in a foldable manner; a sensor module disposed to be fixed to the first hole; a lens module disposed to be movable in the optical axis direction atop the sensor module; and a transparent member disposed in the second hole, wherein the lens module is disposed in the first hole when the first main body and the second main body are folded, and at least a part of the lens module is disposed over the first hole when the first main body and the second main body are unfolded.