Abstract: A leakage current detection circuit includes: a mirror circuit configured to copy a leakage current flowing through a node and generate a copy current in a copy node; an oscillation circuit including a charge storage unit, the oscillation circuit being connected to the copy node, charged with the copy current, and configured to generate an oscillation signal by charging and discharging the charge storage unit; and a calculation circuit configured to calculate an amount of the leakage current based on the oscillation signal.

Abstract: Provided are an electric appliance and a method of manufacturing the same, the electric appliance having a smaller size and a reduced overall weight by preventing a fluid from flowing into a space unrelated to a heating component in a state where the fluid fills its case. The electric appliance includes: a case including a first space and a second space communicated to each other; a first component disposed in the first space; a second component disposed in the second space; a connection portion electrically connecting the first component and the second component to each other; and a potting pattern including a resin material and formed in the first space.

Abstract: Disclosed is an in-memory device for operation of a multi-bit weight. A multi-bit memory cell array according to an exemplary embodiment of the present invention includes at least one multi-bit unit which stores input data based on an input signal and outputs a per-group sum value summed for every group by applying a multi-bit weight to the stored input data; and a final summation unit which is connected to at least one multi-bit unit, adjusts a ratio for every group to receive the peer-group sum value, and outputs a final output value by summing the input per-group sum value.

Abstract: An air conditioner for a vehicle including an air-conditioning case divided into a plurality of air passageways by a separation wall. A heating heat exchanger is disposed inside the air-conditioning case and exchanges heat with air to heat the interior of the vehicle. A perforated member is disposed at a downstream side of the heating heat exchanger and has a plurality of perforated holes through which the air passing the heating heat exchanger passes, and a partition wall is disposed between the heating heat exchanger and the perforated member to divide the air passageway of the air-conditioning case into a plurality of air passageways, wherein the partition wall is formed integrally with the perforated member.

Abstract: A bearing cage includes a first circular ring; a second circular ring provided to be spaced apart from the first ring in a coaxial relationship with the first ring; a plurality of pillars provided in a circumferential direction of the first ring and the second ring, one end of the pillar being connected to the first ring and the other end of the pillar being connected to the second ring; a plurality of pockets provided in the circumferential direction and configured to provide a space in which a bearing roller is accommodated, the pocket being formed to be surrounded by the first ring, the pillars and the second ring; and first reservoirs provided in the pillars and comprising a first storage space for storing lubricant.

Abstract: Proposed is a biosensor including a first specimen inlet configured to provide a space through which a specimen flows inside, an electrode element configured to measure an electromechanical signal of the flowing-in specimen, a chamber configured to provide a space in which an electrochemical reaction of the flowing-in specimen occurs, and a first specimen outlet configured to provide a space through which the flowing-in specimen flows outside, in which a moisture absorber is disposed in the chamber.

Abstract: A display device includes a display panel including a pixel that includes sub-pixels for emitting light in respective colors, and a driver configured to adjust a current amount flowing through the sub-pixels and to adjust an emission duty of the sub-pixels, drive one sub-pixel among the sub-pixels having a luminance with a first current amount and with a first emission duty when a color coordinate of an image expressed by the pixel is within a reference color space, and drive the one sub-pixel having the luminance with a second current amount that is greater than the first current amount and with a second emission duty that is less than the first emission duty when the color coordinate is outside of the reference color space.

Abstract: An apparatus for correcting an image according to the disclosure includes a color difference detector displaying color difference test images and obtaining color difference recognition information of a user with respect to the color difference test images, a color correction data generator displaying color correction test images based on the color difference recognition information and generating color correction data for correcting color coordinates using the color correction test images, and an image correction data generator generating image correction data for correcting color coordinates for each grayscale of the image displayed by the display device based on the color difference recognition information and the color correction data.

Abstract: Disclosed are display devices and methods of fabricating the same. The display device comprises a display panel, an optical layer on the display panel, and a backlight unit that is below the display panel and provides the display panel with light. The optical layer includes a plurality of optical fiber segments, and an air layer between the optical fiber segments. The light generated from the backlight unit is provided to the optical fiber segments through the display panel, and the light is diffused by the optical fiber segments and an air layer dispersed among the optical fiber segments.

Abstract: The present disclosure relates to an electrochemical sensor including: a substrate: a plurality of working electrodes formed on the substrate; and a single reference electrode formed on the substrate, wherein a separation distance between the single reference electrode and the plurality of working electrodes formed around the reference electrode satisfies Equation 1 below, and a method for manufacturing the same.

Abstract: A backlight unit for a display device includes: a light guide including a light incident surface; a substrate facing the light incident surface; a plurality of light sources on one surface of the substrate facing the light incident surface; and a first member disposed between the substrate and the light incident surface to space the light sources apart from the light guide. The first member includes: a support on one surface of the substrate that do not include the light source, the support having a first surface facing the light incident surface and a second surface facing the light sources; and a first layer disposed on the first surface and the second surface of the support to improve luminance uniformity across the light incident surface.

Abstract: The present invention relates to a method for preparing an X-ray contrast agent iomeprol and, more specifically, to a method for preparing iomeprol by adding an inorganic base, an inorganic chloride, a solvent, etc. to 5-(2-hydroxyacetamido)-N,N?-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide (1b) to cause N-methylation reaction, thereby enabling easy separation and removal of inorganic salts generated during the reaction, without treatment with an ion exchange resin, while reducing the conventional production time, and minimization of the amount of reaction impurities.

Abstract: A load-variable rolling bearing includes: an outer ring having an outer ring raceway surface with spherical surface contact portions having concave arch sections and a variable contact portion having a shape of a cylinder in such a manner as to be adjacent to the spherical surface contact portions in an axial direction of the spherical surface contact portions; an inner ring having an inner ring raceway surface with spherical surface contact portions having concave arch sections and a variable contact portion having a shape of a cylinder in such a manner as to be adjacent to the spherical surface contact portions in an axial direction of the spherical surface contact portions; and a plurality of rolling elements each having a cylindrical variable contact portion and spherical surface portions formed with convex spherical surfaces on both sides of the variable contact portion.

Abstract: The present invention relates to a method for preparing an X-ray contrast agent iomeprol and, more specifically, to a method for preparing iomeprol by adding an inorganic base, an inorganic chloride, a solvent, etc. to 5-(2-hydroxyacetamido)-N,N?-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide (1b) to cause N-methylation reaction, thereby enabling easy separation and removal of inorganic salts generated during the reaction, without treatment with an ion exchange resin, while reducing the conventional production time, and minimization of the amount of reaction impurities.

Abstract: A sealing member of a rolling bearing is formed in a structure in which an elastic sealing portion is attached to a frame, and the elastic sealing portion may comprise a first sealing portion formed on one end portion of the frame and a second sealing portion formed on the other end portion of the frame. The first sealing portion may be inserted into and mounted to a coupling groove formed in the second member, and the second sealing portion may comprise an axial sealing lip extending in the axial direction from the frame and a radial sealing lip extending in the radial direction from the frame. The axial sealing lip and the radial sealing lip of the second sealing portion may be positioned adjacent to the first member and may be configured to perform a sealing in a non-contact manner.

Abstract: A backlight unit includes a central area and a peripheral area disposed outside the central area, the backlight unit includes a bottom chassis, a plurality of light sources disposed on a surface of the bottom chassis, a reflective layer disposed on the surface of the bottom chassis, where a plurality of light source insertion holes and a plurality of opening patterns are defined through the reflective layer, and a light correction material layer disposed between the bottom chassis and the reflective layer in the peripheral area, where the light source insertion holes expose the light sources, respectively, and the opening patterns are disposed in the peripheral area to expose at least a portion of the light correction material layer in a thickness direction.

Abstract: An optical film includes a first pattern layer including a base part and a plurality of protruding parts disposed on the base part, and having a first refractive index, and a second pattern layer disposed on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protruding parts includes a bottom surface adjacent to the base part, an upper surface opposite to the bottom surface and parallel to the bottom surface, and a side surface disposed between the bottom surface and the upper surface. The side surface includes three or more sub-inclined surfaces, inclination angles of which are different from each other, or includes a curved surface which is convex in a direction of the second pattern layer.

Abstract: A backlight unit for a display device includes: a light guide including a light incident surface; a substrate facing the light incident surface; a plurality of light sources on one surface of the substrate facing the light incident surface; and a first member disposed between the substrate and the light incident surface to space the light sources apart from the light guide. The first member includes: a support on one surface of the substrate that do not include the light source, the support having a first surface facing the light incident surface and a second surface facing the light sources; and a first layer disposed on the first surface and the second surface of the support to improve luminance uniformity across the light incident surface.

Abstract: A load-variable rolling bearing includes: an outer ring having an outer ring raceway surface with spherical surface contact portions having concave arch sections and a variable contact portion having a shape of a cylinder in such a manner as to be adjacent to the spherical surface contact portions in an axial direction of the spherical surface contact portions; an inner ring having an inner ring raceway surface with spherical surface contact portions having concave arch sections and a variable contact portion having a shape of a cylinder in such a manner as to be adjacent to the spherical surface contact portions in an axial direction of the spherical surface contact portions; and a plurality of rolling elements each having a cylindrical variable contact portion and spherical surface portions formed with convex spherical surfaces on both sides of the variable contact portion.

Abstract: A backlight unit includes a central area and a peripheral area disposed outside the central area, the backlight unit includes a bottom chassis, a plurality of light sources disposed on a surface of the bottom chassis, a reflective layer disposed on the surface of the bottom chassis, where a plurality of light source insertion holes and a plurality of opening patterns are defined through the reflective layer, and a light correction material layer disposed between the bottom chassis and the reflective layer in the peripheral area, where the light source insertion holes expose the light sources, respectively, and the opening patterns are disposed in the peripheral area to expose at least a portion of the light correction material layer in a thickness direction.