Abstract: A positive electrode active material includes a lithium transition metal oxide and a coating element M3-containing coating layer formed on a surface of the lithium transition metal oxide, wherein M3 comprises at least one of Al, Ti, Mg, Zr, W, Y, Sr, or Co, wherein the lithium transition metal oxide is doped with a doping element M2, wherein M2 includes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the total amount of the doping element M2 and the coating element M3 is in a range of 4,580 ppm to 9,120 ppm based on a total weight of the positive electrode active material.

Abstract: Disclosed are an artificial intelligence algorithm-based wireless power transmitter, wireless power receiver, and wireless power charging system that are capable of high-speed response to environmental changes and that can optimize the power efficiency of a wireless power receiver, estimate a dynamic location from a signal received from the wireless power receiver using artificial intelligence technology, and dynamically transmit wireless power to a prioritized wireless power receiver according to a power state.

Abstract: Provided are a scalable analog passive intermodulation (PIM) module, a method of controlling analog PIM, a signal processing circuit, and a sensor device. The scalable analog PIM module includes a first plural number of digital-to-analog converters (DACs), a first plural number of static random access memory (SRAM) calculators connected to the first plural number of DACs, at least one analog-to-digital converter (ADC) connected to the first plural number of SRAM calculators and configured to convert an analog convolution result signal into digital convolution data, and an analog PIM controller configured to output an enable control signal for enabling a second number, which is equal to or less than first plural number, of SRAM calculators among the first plural number of SRAM calculators to the first plural number of SRAM calculators on the basis of the convolution data output from the ADC.

Abstract: A positive electrode material for a lithium secondary battery includes a first positive electrode active material and a second positive electrode active material, both of which are lithium composite transition metal oxides containing transition metals. The first positive electrode active material has a larger average particle size (D50) than the second positive electrode active material, wherein a ratio (Li/Me)1 of the mole number of lithium with respect to the total mole number of transition metals of the first positive electrode active material is more than 1 to 1.5 or less, and a ratio (Li/Me)2 of the mole number of lithium (Li) with respect to the total mole number of transition metals of the second positive electrode active material is 0.9 to 1. The second positive electrode active material has a crystallite size of 180 nm or more.

Abstract: An apparatus for measuring bio-signals is provided. According to an example embodiment, the apparatus for measuring bio-signals includes: a light source configured to emit light onto an object; an image sensor including: a pixel array configured to detect the light emitted by the light source and reacted by the object and a pixel binning unit configured to bin data of the light, detected by the pixel array, by using at least two different binning sizes; and a processor configured to acquire a plurality of bio-signals respectively based on data of the at least two different binning sizes, which are output from the image sensor.

Abstract: A positive electrode material for a lithium secondary battery includes a first positive electrode active material and a second positive electrode active material, both of which are lithium composite transition metal oxides containing transition metals. The first positive electrode active material has a larger average particle size (D50) than the second positive electrode active material, wherein a ratio (Li/Me)1 of the mole number of lithium with respect to the total mole number of transition metals of the first positive electrode active material is more than 1 to 1.5 or less, and a ratio (Li/Me)2 of the mole number of lithium (Li) with respect to the total mole number of transition metals of the second positive electrode active material is 0.9 to 1. The second positive electrode active material has a crystallite size of 180 nm or more.

Abstract: An apparatus for analyzing a substance of an object in a non-invasive manner is provided. The apparatus for analyzing a substance of an object includes: a sensor part including an image sensor, and a plurality of light sources disposed around the image sensor; and a processor configured to drive the plurality of light sources to obtain absorbance of each pixel of the image sensor based on an intensity of light received by each pixel, to correct the absorbance of each pixel based on a distance between the plurality of light sources and each pixel, and to analyze a substance of an object based on the corrected absorbance of each pixel.

Abstract: Disclosed is an anti-weed sheet manufactured by forming webs. The web is formed of polyolefin-based staple fibers which are at least one selected from the group consisting of polyethylene staple fibers, polypropylene staple fibers, and polyisobutylene staple fibers. The sheet is bonded integrally by the needle punching by forming the webs, and the needle punching is performed in the order of pre-needle punching, low-speed needle punching, high-speed needle punching and low-speed needle punching to uniformly bridging the surface and the inside of the formed webs and improve a binding force. At least one surface of the sheet is modified by heat treatment through hot air or a heating drum.

Abstract: Disclosed is an anti-weed sheet manufactured by forming webs. The web is formed of polyolefin-based staple fibers which are at least one selected from the group consisting of polyethylene staple fibers, polypropylene staple fibers, and polyisobutylene staple fibers. The sheet is bonded integrally by the needle punching by forming the webs, and the needle punching is performed in the order of pre-needle punching, low-speed needle punching, high-speed needle punching and low-speed needle punching to uniformly bridging the surface and the inside of the formed webs and improve a binding force. At least one surface of the sheet is modified by heat treatment through hot air or a heating drum.

Abstract: A functional sheet manufactured with staple fibers is provided. More particularly, a functional sheet is formed as a single layer or a composite layer by binding polyolefin staple fibers by needle punching, to enhance physical properties of the functional sheet so that the functional sheet may be used for various purposes, for example, for weed growth prevention, waterproofing, soundproofing, ground stabilization, civil engineering, construction and aging-friendly materials.

Abstract: Disclosed therein is a structure for fixing a side shield of glasses, which is installed at a temple, wherein the side shield that surrounds a connection portion between the temple and a glasses frame is fixed at the temple by a fixture, and wherein the side shield located at the temple includes through holes respectively formed at upper and lower portions thereof; and guide portions respectively formed on the inner face of the side shield, and the fixture includes hook portions respectively formed at upper and lower ends thereof and inserted and caught to the through holes of the side shield, and the side shield further includes support pieces respectively formed at upper and lower portions of the inner or outer faces of the side shield for supporting the inside or outside of the hook portions of the fixture.

Abstract: Disclosed therein is a structure for fixing a side shield of glasses, which is installed at a temple, wherein the side shield that surrounds a connection portion between the temple and a glasses frame is fixed at the temple by a fixture, and wherein the side shield located at the temple includes through holes respectively formed at upper and lower portions thereof; and guide portions respectively formed on the inner face of the side shield, and the fixture includes hook portions respectively formed at upper and lower ends thereof and inserted and caught to the through holes of the side shield, and the side shield further includes support pieces respectively formed at upper and lower portions of the inner or outer faces of the side shield for supporting the inside or outside of the hook portions of the fixture.

Abstract: The present invention provides glasses having side shields, which include glasses bodies and side shields, each of the glasses bodies having a double hinged structure by means of a hinged portion and an elastically hinged portion formed at each of temples, each of the side shields having a movement space formed in such a way that one side of the side shield is inclined outwardly, thereby enhancing a feeling of wearing, preventing a change in shape of the temples when the temples are spread outwardly by an external force, and restoring the temples to their original positions in safe.

Abstract: A structure for fixing a side shield of glasses is disclosed, in which a glasses side shield can be easily detachably fixed at a glasses leg, and a shied shield can be protected from damages when attaching or detaching the side shield, with the glasses side shields being engaged between the left and right legs of glasses for thereby protecting user's eyes from being damaged by foreign substances which may be inputted between the glasses legs and a glasses body. The structure for fixing a side shield of glasses is characterized in that the fixture has a step portion protruded from a lower side end by a certain length with the fixture being inserted into the through hole of both sides through the opening of the side shield, and a curvature portion is formed at an upper side of the step portion, and the step portion of the fixture is tightly inserted into the through hole of the side shield, and a straight line shaped or cross shaped driver insertion groove is formed at an upper surface of the fixture.

Abstract: The present invention relates to a fixing structure of a side shield for glasses wherein a side shield installed in glasses legs, comprising a through hole formed in inner upper and lower portions of a rear end of a side shield surrounding the glasses legs, and a fixture having an elastic piece in the interior of the same and a hook part in the upper and lower sides of a front end wherein said fixture is inserted through an opening of the side shield, and the hook part of the fixture is engaged to the though hole, and the elastic piece of the fixture is elastically closely contacted with the glasses legs. In the present invention, the size of the fixture is large, and the hook part of the fixture is inserted into the through hole formed in the side shield. Therefore, anyone can easily insert the fixture for thereby achieving a convenient assembling work, and the side shield is easily fixed to the glasses legs.

Abstract: The present invention relates to a structure for fixing a side shield for glasses. In the present invention, the structure for fixing a side shield for glasses according to the present invention is capable of easily installing a side shield based on a work that a bolt is engaged to a hinge portion of the connection member and the glasses leg, namely, a work that the glasses leg is rotatably engaged to the connection member, by improving a bolt which hinge-engages the glasses leg without using an additional element. Therefore, in the present invention, it is possible to easily enhance a productivity by simply assembling the side shield to the glasses.

Abstract: The present invention relates to a structure for fixing a side shield for glasses. In the present invention, the structure for fixing a side shield for glasses according to the present invention is capable of easily installing a side shield based on a work that a bolt is engaged to a hinge portion of the connection member and the glasses leg, namely, a work that the glasses leg is rotatably engaged to the connection member, by improving a bolt which hinge-engages the glasses leg without using an additional element. Therefore, in the present invention, it is possible to easily enhance a productivity by simply assembling the side shield to the glasses.