Abstract: A charging device may include a Power Factor Correction (PFC) circuit including first to third inductors connected to each of first to third input terminals, and first to third switch legs connected to each of the first to third inductors; and a relay network including a plurality of relays.

Abstract: Disclosed herein is a battery charger for electric vehicle includes a motor configured to generate power for driving the electric vehicle, an inverter configured to provide the power to the motor, an AC power input terminal configured to be input at least one AC power of single phase AC power and polyphaser AC power from a slow charger, a power factor corrector configured to include a plurality of full bridge circuits through which the AC power is input through the AC power input terminal, a link capacitor configured to connect in parallel with the power factor corrector, a switch network configured to include a first switch SW A provided to connect any one of a plurality of AC power input lines and a neutral line constituting the AC power input terminal with the power factor corrector, and a second switch provided to transfer one of a direct current power input from a quick charger and an alternating current power input from a slow charger to a high voltage battery and a controller configured to control the

Abstract: Provided is a mobile terminal including a plurality of cameras to minimize an occurrence of occlusion, wherein the first lens part, the second lens part, and the ToF lens part are provided on one surface of the body to be exposed outside, the first holder, the second holder, and the ToF holder each have a rectangular transverse-section, and the first holder, the second holder, and the ToF holder are arranged such that the ToF lens part is located between the first lens part and the second lens part.

Abstract: Provided is an optical device for reducing the time for auto focusing (AF) performed by a contrast detection system, the optical device comprises a liquid lens having a curvature that varies on the basis of an applied electrical signal and the liquid lens may be auto-focused at one time from the current curvature (i.e., the first curvature state, p) to a target curvature corresponding to a distance to the subject (i.e., a second curvature state) based on the FV slope ratio.

Abstract: A mobile terminal in accordance with one embodiment of the present disclosure include: a flicker sensor configured to recognize a surrounding environment of the mobile terminal; a time of flight (ToF) sensor configured to measure a depth of a subject and a camera configured to capture the subject to generate an image of the subject; and a controller configured to control the camera to recognize the surrounding environment by operating the flicker sensor in response to a user input for operating the camera, to determine a light output time of the ToF sensor in response to the surrounding environment, and to capture the subject while measuring the depth of the subject by operating the ToF sensor in an operation mode corresponding to the light output time. Other embodiments are also available.

Abstract: The present invention is to provide a mobile terminal and a method for controlling the same that may secure an appropriate amount of light for a subject and minimize a shadow of the subject even when capturing an image in a close-up manner using a camera embedded in the mobile terminal. One aspect of the present disclosure proposes a mobile terminal including a rear cover having an opening defined therein, a camera disposed to be optically exposed to the outside through the opening, a flash surrounding the camera, wherein the flash is disposed to be optically exposed to outside through the opening, a support frame surrounding the flash and being attached to one surface of the rear cover corresponding to a periphery of the opening while being externally exposed to outside through the opening, and a cover glass attached to the support frame to cover the camera and the flash.

Abstract: The present invention relates to a method for direct transdifferentiation into neurons using metal nanoparticles magnetized by an electromagnetic field, and to a cell therapeutic agent for the treatment of cerebral nerve diseases, comprising neurons differentiated by the method. In the present invention, it was specifically verified that the direct transdifferentiation efficiency into neurons can be remarkably improved through the above method and the symptoms of cerebral nerve diseases, such as a stroke, can be effectively alleviated. Therefore, in the treatment of degenerative cerebral nerve diseases, the target therapy is expected to be implemented through a more fundamental approach.

Abstract: Provided is a mobile terminal including a plurality of cameras to minimize an occurrence of occlusion, wherein the first lens part, the second lens part, and the ToF lens part are provided on one surface of the body to be exposed outside, the first holder, the second holder, and the ToF holder each have a rectangular transverse-section, and the first holder, the second holder, and the ToF holder are arranged such that the ToF lens part is located between the first lens part and the second lens part.

Abstract: Provided is a pointing device having an optical module for coordinate tracking in order to solve the problem that a pointing device using the diffraction principle of light increases in size due to an optical module, wherein the optical module comprises: a light-emitting unit which irradiates light toward an outside surface; a lens unit provided between the light-emitting unit and the outside surface to refract and diffract the light; and a light receiving unit to which the light reflected from the outside surface through the lens unit reaches, wherein the light receiving unit comprises a detector which senses the reflected light, and a light receiving surface of the detector is inclined at a specific angle toward the optical axis of the light-emitting unit.

Abstract: A mobile terminal in accordance with one embodiment of the present disclosure include: a flicker sensor configured to recognize a surrounding environment of the mobile terminal; a time of flight (ToF) sensor configured to measure a depth of a subject and a camera configured to capture the subject to generate an image of the subject; and a controller configured to control the camera to recognize the surrounding environment by operating the flicker sensor in response to a user input for operating the camera, to determine a light output to time of the ToF sensor in response to the surrounding environment, and to capture the subject while measuring the depth of the subject by operating the ToF sensor in an operation mode corresponding to the light output time. Other embodiments are also available.

Abstract: Provided is a pointing device in the form of a direct signal generation pen, for recognizing handwriting on any outer surface in order to solve an error of handwriting trajectory generated by the rotation of a pen, the pointing device comprising: an optical module for irradiating light on the outer surface and receiving reflected light so as to sense the frequency of the reflected light; an inertial sensor for sensing the movement, rotation, and azimuth of the pointing device; and a calculation unit for setting a reference coordinate system having handwriting direction information on the basis of a sensing value of the optical module or the inertial sensor, and recognizing first handwriting information on the basis of the set reference coordinate system.

Abstract: Disclosed are an electric vehicle capable of improving the charging efficiency of a charging apparatus by reducing the switching loss that may occur in the charging apparatus of an electric vehicle and a charging apparatus thereof. To this end, a power factor correction apparatus of an on board charger includes a first boost circuit receiving AC power through a first inductor to charge a load, a second boost circuit receiving the AC power through a second inductor to charge the load, and a third inductor provided between a leg of the first boost circuit and a leg of the second boost circuit so that parasitic capacitors of the first boost circuit and the second boost circuit are discharged.

Abstract: Disclosed herein is a battery charger for electric vehicle includes a motor configured to generate power for driving the electric vehicle, an inverter configured to provide the power to the motor, an AC power input terminal configured to be input at least one AC power of single phase AC power and polyphaser AC power from a slow charger, a power factor corrector configured to include a plurality of full bridge circuits through which the AC power is input through the AC power input terminal, a link capacitor configured to connect in parallel with the power factor corrector, a switch network configured to include a first switch SW A provided to connect any one of a plurality of AC power input lines and a neutral line constituting the AC power input terminal with the power factor corrector, and a second switch provided to transfer one of a direct current power input from a quick charger and an alternating current power input from a slow charger to a high voltage battery and a controller configured to control the

Abstract: A charging apparatus for an electric vehicle is provided. The apparatus includes an AC power input terminal receiving one AC input power from among single-phase AC power and multi-phase AC power. A power factor corrector having full bridge circuits receives the AC input power through the AC power input terminal. A link capacitor is charged through the power factor corrector. A first switch connects any one of an AC power input line and a neutral line of the AC power input terminal to the power factor corrector and a second switch selectively connects the AC power input terminal to the power factor corrector, or the link capacitor. The power factor corrector and the switch network operate based on a condition of received AC input power. The second switch includes a third switch and a fourth switch that connect each full bridge circuit to a positive battery electrode.

Abstract: The present invention relates to a mobile terminal comprising a liquid lens including: a side wall part; a first and a second glass layer which cover one surface and the other surface of the side wall part, respectively, to form a receiving part; a plurality of electrode modules, each of which is positioned on the side wall part and includes a first and a second electrode; an insulation layer covering the first electrode; a nonpolar liquid filled in the receiving part; and a polar liquid which is separated from the polar liquid in layers, is filled in the receiving part, and is in contact with the second electrode, wherein a boundary surface between the nonpolar liquid and the polar liquid changes into a shape protruding toward the polar liquid as a voltage applied to the electrode modules increases, and a control part differently controls at least a part of the voltage applied to the plurality of electrode modules to adjust a position of a protrusion of the boundary surface.

Abstract: Provided is an optical device for reducing the time for auto focusing (AF) performed by a contrast detection system, the optical device comprises a liquid lens having a curvature that varies on the basis of an applied electrical signal and the liquid lens may be auto-focused at one time from the current curvature (i.e., the first curvature state, p) to a target curvature corresponding to a distance to the subject (i.e., a second curvature state) based on the FV slope ratio.

Abstract: A refrigerator has a door which is selectively transparent by providing a display behind the door and a light source inside the refrigerator that turns on and activates based on user input. When the light source is turned on, the display is activated while the door is closed such that the user sees the display through the door.

Abstract: The present invention relates to a camera module mounted in a mobile terminal, comprising: a first lens group having a first lens, which has a positive (+) refractive power, and a second lens, which has a negative (?) refractive power, in order from the object side, wherein the first and second lenses are integrally formed through a first lens barrel; a variable aperture for controlling the quantity of light incident into an optical system; and a second lens group having a third lens having a negative (?) refractive power, a fourth lens having a positive (+) refractive power, and a fifth lens having a positive (+) refractive power, wherein the third to fifth lenses are integrally formed through a second lens barrel.

Abstract: Disclosed is a mobile terminal devised to achieve a reduced F-number and an increased T-number by enhancing the brightness of an optical system provided therein. In the mobile terminal including an optical module that configures a single optical system, the optical module includes a lens group configured with five or more refractive lenses including at least one glass lens. The glass lens has a thickness equal to or greater than 0.3 mm, an effective diameter equal to or greater than 1.5 mm and equal to or less than 8.0 mm, a refractive index below 1.6, and an Abbe's number equal to or greater than 60.

Abstract: A charging apparatus for an electric vehicle is disclosed. The charging apparatus includes an AC power input stage receiving at least one AC input power from among single-phase AC power and multi-phase AC power, a power factor corrector having full bridge circuits receiving AC input power, a link capacitor charged through the power factor corrector, a switch network having a first switch connecting any one of an AC power input line and a neutral line of the AC power input stage to the power factor corrector and at least one second switch connecting the AC power input stage to the power factor corrector or the link capacitor, and a controller controlling the power factor corrector and the switch network according to AC input power condition. The second switch includes switches selectively connecting at least one full bridge circuit to a positive(+) electrode of a battery.