Abstract: Disclosed is a resolver robust against external noise and having a reduced error in the detection of a rotation angle, which includes a stator made of a magnetic material and having a plurality of teeth and a plurality of slots alternately formed at an inner side thereof, insulation covers respectively having a tooth insulating unit formed at an inner side thereof corresponding to the teeth and mounted to the stator at both upper and lower surfaces of the stator, and coils wound on the teeth with the tooth insulating unit being interposed therebetween, wherein regarding winding widths of coils located at an outermost circumference among the wound coils, a ratio of a shortest winding width to a longest winding width is 0.69 or above and 1 or below.

Abstract: Disclosed is a resolver, which includes a stator having at least one excitation coil and at least one output coil, and a rotor disposed at a center space in the stator with a predetermined gap from the stator, the rotor rotating based on a rotary shaft to change a gap permeance with respect to the stator, wherein the stator includes a back yoke having a ring-shaped body, and a plurality of teeth formed at an inner circumference of the back yoke so that the excitation coil and the output coil are wound thereon, wherein the rotor includes a ring-shaped body having a center hole into which the rotary shaft is inserted, and a plurality of salient poles formed at an outer circumference of the ring-shaped body.

Abstract: A manufacturing method of a display apparatus includes mounting a plurality of inorganic light emitting diodes on a substrate, forming a black molding layer having a low refractive index and configured to surround the plurality of inorganic light emitting diodes such that front light emitting surfaces of the plurality of inorganic light emitting diodes that are directed to a front side of the display apparatus are exposed, and assembling a plurality of unit modules each comprising the substrate, the plurality of inorganic light emitting diode, and the black molding layer to be adjacent to each other.

Abstract: A semiconductor device includes a trench defining an active region in a substrate, a first insulating layer on a bottom surface and side surfaces of the active region inside the trench, a shielding layer on a surface of the first insulating layer, the shielding layer including a plurality of spaced apart particles, a second insulating layer on the shielding layer and having first charge trapped therein, the plurality of spaced apart particles being configured to concentrate second charge having an opposite polarity to the charge trapped in the second insulating layer, and a gap-fill insulating layer on the second insulating layer in the trench.

Abstract: The present disclosure relates to a method and an apparatus for manufacturing a core-shell catalyst, and more particularly, to a method and an apparatus for manufacturing a core-shell catalyst, in which a particle in the form of a core-shell in which the metal nanoparticle is coated with platinum is manufactured by substituting copper and platinum through a method of manufacturing a metal nanoparticle by emitting a laser beam to a metal ingot, and providing a particular electric potential value, and as a result, it is possible to continuously produce nanoscale uniform core-shell catalysts in large quantities.

Abstract: Disclosed is a resolver, which includes a stator having at least one excitation coil and at least one output coil, and a rotor disposed at a center space in the stator with a predetermined gap from the stator, the rotor rotating based on a rotary shaft to change a gap permeance with respect to the stator, wherein a thickness (tr) of the rotor and a thickness (ts) of the stator satisfies the equation: tr?ts?0.7 [mm], thereby efficiently offsetting an influence caused by an assembly error, which is commonly generated when assembling a resolver, improving the measurement precision, facilitating a resolver designing work and reducing manufacture costs.

Abstract: Provided is a flight path calculating method for high altitude long endurance of an unmanned aerial vehicle based on regenerative fuel cells and solar cells according to an exemplary embodiment of the present invention may include a modeling step, a simulation step, and an analyzing step, and may be configured in a program form executed by an arithmetic processing means including a computer. a flight path searching method and a flight path searching apparatus for performing continuous flight path re-searching on the basis of information measured in real time during a flight of the unmanned aerial vehicle in the stratosphere to change a flight path so that the unmanned aerial vehicle may permanently perform long endurance in the stratosphere is provided.

Abstract: A polarization film and a display apparatus are provided. The polarization film includes first polarization layers and second polarization layers. The first polarization layers have a first refractive index with respect to a first polarization; and the second polarization layers have a second refractive index with respect to the first polarization and are arranged in each interval between the first polarization layers. The first polarization layers reflect light of the first polarization having color coordinates based on a thickness of the first polarization layers, at a boundary that touches the second polarization layers. The display apparatus includes a display panel and the polarization film.

Abstract: Disclosed is a fuel cell filter including a body including therein an internal space in which a fluid flows, an inlet port provided in the body and configured to receive a fluid discharged from a fuel cell stack, a gas-water separating membrane disposed in the internal space and configured to block a liquid fluid included in a fluid absorbed in the inlet port from flowing upwards, a discharge port provided in the body and configured to externally discharge the liquid fluid blocked in the gas-water separating membrane, a water absorbent disposed in the internal space and configured to absorb water included in a gaseous fluid passing through the gas-water separating membrane, and a gas outlet port provided in the body and configured to externally discharge gas separated in the gas-water separating membrane.

Abstract: Provided are a reinforced composite membrane and a method of manufacturing the reinforced composite membrane, and more particularly, a reinforced composite membrane including a porous support layer; and an electrolyte membrane layer formed on one surface or each of both surfaces of the porous support layer, at least a portion of the porous support layer being impregnated with an electrolyte, and a method of manufacturing the reinforced composite membrane. The reinforced composite membrane may enhance an interfacial adhesive force between a support and the electrolyte membrane layer, and may be manufactured on a continuous mass production.

Abstract: The present disclosure provides a resolver including a stator core, an insulation cover for covering and insulating the stator core, an upper protection cover coupled to an upper portion of the insulation cover to cover and protect upper portions of coils wound around the stator core, a lower protection cover coupled to a lower portion of the insulation cover to cover and protect lower portions of the coils, a hook configured to extend from the upper protection cover in the downward direction, and a hook-catching portion formed at the insulation cover such that the lower end portion of the hook is hooked thereon in the upward direction.

Abstract: A three-dimensional (3D) display apparatus including: a display panel; a backlight configured to supply light to the display panel; and a parallax barrier disposed between the display panel and the backlight, wherein the parallax barrier includes an electrochromic mirror (ECM).

Abstract: A high-temperature polymer electrolyte membrane fuel cell stack may include a plurality of cell units; a cooling assembly including a plurality of first independent cooling plates disposed on top surfaces of the plurality of cell units, respectively, and a plurality of second independent cooling plates disposed on bottom surfaces of the plurality of cell units, respectively; and a support assembly configured to support the plurality of cell units and the cooling assembly.

Abstract: Described herein are pharmaceutical compositions composed of low molecular weight sulfated hyaluronan.

Abstract: Disclosed is a resolver, which includes a stator having at least one excitation coil and at least one output coil, and a rotor disposed at a center space in the stator with a predetermined gap from the stator, the rotor rotating based on a rotary shaft to change a gap permeance with respect to the stator, wherein a thickness (tr) of the rotor and a thickness (ts) of the stator satisfies the equation: tr?ts?0.7 [mm], thereby efficiently offsetting an influence caused by an assembly error, which is commonly generated when assembling a resolver, improving the measurement precision, facilitating a resolver designing work and reducing manufacture costs.

Abstract: Provided are a flight simulation and control method of a unmanned aerial vehicle with regenerative fuel cells and solar cells for high altitude long endurance, and a control apparatus thereof. The high altitude long endurance simulation method for an unmanned aerial vehicle based on regenerative fuel cells and solar cells includes: a variable inputting step of inputting design variables of the unmanned aerial vehicle based on regenerative fuel cells and solar cells; a modeling step of performing modeling of the unmanned aerial vehicle based on regenerative fuel cells and solar cells using the design variables input in the variable inputting step; and an analyzing step of analyzing a modeling result in the modeling step to perform a high altitude long endurance simulation while controlling any one of the design variables input in the variable inputting step.

Abstract: Disclosed is a resolver, which includes a stator having at least one excitation coil and at least one output coil, and a rotor disposed at a center space in the stator with a predetermined gap from the stator, the rotor rotating based on a rotary shaft to change a gap permeance with respect to the stator, wherein an area ratio (As/Ar) between the stator and the rotor satisfies Equation 1 below to prevent magnetic saturation of the resolver, improve measurement precision and reduce manufacture costs without increasing a size or weight of the resolver: 0.22?As/Ar?0.37??Equation 1 where As represents a sectional area of the stator, and Ar represents a sectional area of the rotor.

Abstract: Disclosed is a resolver, which includes a stator having at least one excitation coil and at least one output coil, and a rotor disposed at a center space in the stator with a predetermined gap from the stator, the rotor rotating based on a rotary shaft to change a gap permeance with respect to the stator, wherein the stator includes a back yoke having a ring-shaped body, and a plurality of teeth formed at an inner circumference of the back yoke so that the excitation coil and the output coil are wound thereon, wherein the rotor includes a ring-shaped body having a center hole into which the rotary shaft is inserted, and a plurality of salient poles formed at an outer circumference of the ring-shaped body.

Abstract: Disclosed is a resolver, which includes a stator made of a magnetic material and having a plurality of teeth and a plurality of slots alternately formed at an inner side thereof; insulation covers respectively having a tooth insulating unit formed at an inner side thereof corresponding to the teeth and mounted to the stator at both upper and lower surfaces of the stator; and coils wound on the teeth with the tooth insulating unit being interposed therebetween, wherein a coil occupying ratio per slot, which is defined by the following equation and represents a ratio of area occupied by the coils in a slot to which the insulation covers are fixed, is 35% or below: Coil occupying ratio per slot=(area occupied by coils in a single slot)/(area of a single slot).

Abstract: Disclosed is a resolver robust against external noise and having a reduced error in the detection of a rotation angle, which includes a stator made of a magnetic material and having a plurality of teeth and a plurality of slots alternately formed at an inner side thereof, insulation covers respectively having a tooth insulating unit formed at an inner side thereof corresponding to the teeth and mounted to the stator at both upper and lower surfaces of the stator, and coils wound on the teeth with the tooth insulating unit being interposed therebetween, wherein regarding winding widths of coils located at an outermost circumference among the wound coils, a ratio of a shortest winding width to a longest winding width is 0.69 or above and 1 or below.