Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.

Abstract: A gene amplification chip includes a chamber layer, a cover layer, a bottom layer, an inlet, and an outlet. The chamber layer has a first passage and through holes which are formed on one side of the first passage. The cover layer is disposed on one side of the chamber layer and has a cover channel formed to communicate with the first passage and the through holes, wherein the cover channel, the first passage and the through holes allow passage of liquids in a divided manner. The bottom layer is disposed on another side of the chamber layer and has a bottom channel formed to communicate with the first passage and the through holes. The inlet is formed in the cover layer and communicates with the cover channel. The outlet communicates with any one of the cover channel and the bottom channel.

Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.

Abstract: A position sensor of a motor includes: a housing in which a hollow is formed and an accommodation space is formed as surrounding the hollow; a ground ring formed through an inner circumferential surface of the housing; a first PCB installed in the accommodation space and formed with a first circuit part; an induction unit facing the first PCB and rotates; a connecting bushing embedded in the housing and electrically connected to the ground by a fastening member; and a relay unit installed in the accommodation space and relaying the ground ring and the connection bushing. The ground ring is formed with a body formed through the inner circumferential surface, a contact part formed on one side of the body and disposed of in the hollow, and a first connection part extending from the other side of the body and contacting the relay unit.

Abstract: A display device includes: a display panel including a first surface on which an image is displayed and a second surface opposing the first surface, and a touch sensor, wherein the touch sensor includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to intersect the plurality of driving electrodes, and a touch controller supplying driving signals to the plurality of driving electrodes, wherein, as the display panel is folded or curved, the touch controller sequentially supplies driving signals to the plurality of driving electrodes or simultaneously supplies the driving signals to at least two driving electrodes among the plurality of driving electrodes.

Abstract: A display device includes: a display panel including a first surface on which an image is displayed and a second surface opposing the first surface, and a touch sensor, wherein the touch sensor includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to intersect the plurality of driving electrodes, and a touch controller supplying driving signals to the plurality of driving electrodes, wherein, as the display panel is folded or curved, the touch controller sequentially supplies driving signals to the plurality of driving electrodes or simultaneously supplies the driving signals to at least two driving electrodes among the plurality of driving electrodes.

Abstract: Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and second magnets having a coercive force weaker than that of the first magnets, includes: a first step of operating the motor in an initially magnetized state of the second magnets; and a second step of operating the motor in an inversedly magnetized state of the second magnets by applying a magnetomotive force to the second magnets in the opposite direction to the magnetization direction of the second magnets.

Abstract: Disclosed is a variable magnetic flux motor having rotor in which two different kinds of magnets are embedded. The variable magnetic flux motor includes: a rotor; a stator located inside of the rotor; and magnets including first magnets and second magnets mounted at outer perimeter of the rotor, four pairs of second magnets being arranged by a right angle based on the rotor, a plurality of unit rotor cores being arranged between each of the four pairs of the second magnets, each of the four pairs of the second magnets is facing each other, wherein an amount of magnetic flux of the second magnets is regulated through a difference in a coercive force generated between the first magnets and the second magnets.

Abstract: Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall surface of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof.

Abstract: Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and second magnets having a coercive force weaker than that of the first magnets, includes: a first step of operating the motor in an initially magnetized state of the second magnets; and a second step of operating the motor in an inversedly magnetized state of the second magnets by applying a magnetomotive force to the second magnets in the opposite direction to the magnetization direction of the second magnets.

Abstract: An apparatus for forming a glass, the apparatus including a lower mold and an upper mold is disclosed. The lower mold may be configured to support a central portion of a lower surface of the glass. The upper mold may be configured to make point contact with an edge portion of an upper surface of the glass. The upper mold may press the edge portion of the upper surface of the glass to form a rounded portion of the edge portion of the glass. An apparatus for forming a glass, the apparatus including: a lower mold configured to make point contact with an edge portion of a lower surface of the glass; and an upper mold configured to press an interior portion of the upper surface of the glass to form a rounded portion at the edge portion of the glass, is also disclosed.

Abstract: Disclosed therein is variable magnetic flux motor, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall face of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base, and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof.

Abstract: A liquid crystal display that can be slimly formed. The liquid crystal display may include: a liquid crystal display panel; a backlight unit including: a light source; and a light guide plate receiving light emitted from the light source and diffusing the received light; and a frame receiving the liquid crystal display panel and the backlight unit. The frame includes: a chassis including a bottom part and a side wall, the bottom part having insertion holes; and a molding that is combined with the chassis through the insertion holes. In addition, the bottom part of the chassis is formed with protrusions adjacent to the insertion holes and the protrusions protrude in a direction opposite to a direction in which the molding is combined with the insertion holes of the chassis.

Abstract: An apparatus for forming a glass, the apparatus including a lower mold, a fixing mold and an upper mold is disclosed. The lower mold may be configured to support a central portion of a lower surface of the glass. The fixing mold may be configured to support a central portion of an upper surface of the glass. The upper mold may press two edge portions of the upper surface of the glass to form rounded portions at the two edge portions of the glass. An apparatus for forming a glass, the apparatus including: a lower mold configured to press two edge portions of a lower surface of the glass to form rounded portions at the two edge portions of the glass; a fixing mold configured to support a central portion of the lower surface of the glass; and an upper mold configured to support a central portion of an upper surface of the glass is also disclosed.

Abstract: An apparatus for forming a glass, the apparatus including a lower mold and an upper mold is disclosed. The lower mold may be configured to support a central portion of a lower surface of the glass. The upper mold may be configured to make point contact with an edge portion of an upper surface of the glass. The upper mold may press the edge portion of the upper surface of the glass to form a rounded portion of the edge portion of the glass. An apparatus for forming a glass, the apparatus including: a lower mold configured to make point contact with an edge portion of a lower surface of the glass; and an upper mold configured to press an interior portion of the upper surface of the glass to form a rounded portion at the edge portion of the glass, is also disclosed.

Abstract: An apparatus for manufacturing 3D glass, the apparatus including: a molding part for molding a glass substrate; an assembling and disassembling part for carrying-out the molded glass substrate and replacing the molded glass substrate with an other glass substrate; and a loading part for loading the molded glass substrate is disclosed. A method for manufacturing 3D glass including: carrying-in a mold including a glass substrate into a chamber of a molding part; preheating the carried-in mold; molding the glass substrate by pressing the heated mold; cooling the molded glass substrate; and carrying-out the molded glass substrate and carrying-in an other glass substrate into the mold is also disclosed.

Abstract: There is provided a spindle motor including: a stator core fixedly installed on a stator; a driving magnet having a center thereof disposed to coincide with that of the stator core in an axial direction; and a rotor hub including a hub body having a disk shape, a magnet mounting part extended from an edge of the hub body in a downward axial direction and having the driving magnet installed on an inner peripheral surface thereof, and a disk supporting part extended from the magnet mounting part in a radial direction, wherein the stator includes a base member, and a pulling magnet is installed on at least one of a lower surface of the disk supporting part and an upper surface of the base member disposed to face the lower surface of the disk supporting part.

Abstract: Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a rotor core attached to the inner circumference of the rotor housing, and magnets attached to the inner surface of the rotor core. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof. The magnets are divided into first magnets and second magnets, the second magnets are low in coercive force than the first magnets, and a plurality of the first magnets are located at both sides of the second magnets.

Abstract: Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall surface of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof.

Abstract: A backlight assembly is provided. The backlight assembly includes a mold frame having a tetragonal frame shape and including four side parts and a bottom part extending from bottoms of the side parts, a printed circuit board disposed on the bottom part of the mold frame, at least one light source disposed on the printed circuit board, and a light guide sheet disposed at a side of the light source and accommodated in the mold frame.