Abstract: A coil component includes a body part containing a magnetic material, a coil part disposed in the body part, and an electrode part disposed on the body part. The coil part includes a support member, a first coil layer disposed on at least one surface of the support member, a first insulating layer stacked on at least one surface of the support member and covering the first coil layer, and a second coil layer disposed on the first insulating layer. The first and second coil layers are electrically connected to each other, and the second coil layer has a larger number of coil turns than the first coil layer. Additionally or alternatively, a conductor of the first coil layer has an aspect ratio less than 1. Methods of manufacturing such coil components are also provided.

Abstract: Disclosed are a light emitting device. The light emitting device includes a body having a cavity; a plurality of lead frames in the cavity; a light emitting chip; a first molding member having a first metal oxide material around the light emitting chip; and a second molding member having a second metal oxide material on the first molding member and the light emitting chip, wherein the light emitting chip includes a reflective electrode layer under a light emitting structure, wherein a top surface of the first molding member extends from a region between a top surface of the light emitting chip and a lateral side of the reflective electrode layer at a predetermined curvature, and wherein a bottom surface of the second molding member includes a curved surface which is convex toward the first molding member.

Abstract: There are provided a coil component and a board for mounting the same. The coil component includes a magnetic body including first and second coil portions disposed on one surface of a substrate and disposed linearly, based on a central portion of the magnetic body, and third and fourth coil portions disposed on the other surface of the substrate and disposed linearly, based on the central portion of the magnetic body; and first to fourth external electrodes disposed on an external surface of the magnetic body and connected to the first to fourth coil portions. The first coil portion and the third coil portion have a first core portion, and the second coil portion and the fourth coil portion have a second core portion. A peripheral portion disposed outwardly of the first to fourth coil portions has greater permeability than that of the first and second core portions.

Abstract: A tightness-indicating tube fitting is disclosed. The tightness-indicating tube fitting includes a tube inserted into a body, at least one ferrule disposed around the tube, a nut fastened onto the body to deform the ferrule for providing a seal between the body and the tube, and a check ring having a pressure-receiving section protruding from a side of the check ring facing the nut. The pressure-receiving section has an inner diameter part which is provided with a slope. When the nut is fastened onto the body by the amount of nut rotation corresponding to a predetermined length as the nut moves forwards after having made an initial contact with the slope of the pressure-receiving section, a pressing force of the nut acts on the slope and the check ring is detached from the body by a pressing force of the nut such that a fastened state of the nut is checked.

Abstract: Disclosed are an apparatus, a system, and a method for detecting complex issues based on social media analysis according to the present invention. A system for detecting complex issues based on social media analysis according to the present invention includes: a unit issue detecting unit configured to receive a keyword from a user terminal, and to detect per-type unit issues associated with the received keyword; a complex issue detecting unit configured to detect per-type complex issues from the detected per-type unit issues; a complex issue ranking unit configured to analyze the detected per-type complex issues, and to rank the per-type complex issues based on the analysis result; and a complex issue configuring unit configured to configure the ranked per-type complex issues in a predetermined form that enable users to induce a micro trend, and to provide the configured form to a user.

Abstract: A coil component includes a coil unit surrounded by a magnetic body. The magnetic body includes anisotropic metal powder and isotropic metal powder, and upper and lower cover units with the coil unit interposed therebetween. The anisotropic metal powder is arranged such that one axis of a plate-shaped plane thereof is oriented in a flow direction of magnetic flux, and central regions of the upper and lower cover units comprise the isotropic metal powder.

Abstract: A multilayer ceramic electronic component may include first and second metal frames connected to different external electrodes of a multilayer ceramic capacitor, respectively, and disposed to be spaced apart from a mounting surface of the multilayer ceramic capacitor; and an insulating layer disposed on a surface of the multilayer ceramic capacitor opposing the mounting surface thereof.

Abstract: A single point detecting current sensor includes a plurality of magnetic sensor modules, wherein a magnetic sensor module is installed onto each busbars with an insulation displacement contact or is installed adjacent to each busbar, and outputs the current through a busbars measured by a magnetic sensor; a signal collection module collecting measured signals output by the plurality of magnetic sensor modules; and a signal interference compensation module deriving a corrected current value for which interference has been removed, by calculating the mutual interference between said busbars using the signals collected by said signal collection module.

Abstract: A chip electronic component may include: a magnetic body including an insulating substrate; internal conductive pattern parts disposed on at least one surface of the insulating substrate; external electrodes disposed on the magnetic body and connected to the internal conductive pattern parts; and an additional magnetic layer disposed on a bottom surface of the magnetic body and covering portions of the external electrodes disposed on the bottom surface of the magnetic body.

Abstract: A solar cell including a first conductive type semiconductor substrate; a first intrinsic semiconductor layer on a front surface of the semiconductor substrate; a first conductive type first semiconductor layer on at least one surface of the first intrinsic semiconductor layer; a second conductive type second semiconductor layer on a back surface of the semiconductor substrate; a second intrinsic semiconductor layer between the second semiconductor layer and the semiconductor substrate; a first conductive type third semiconductor layer on the back surface of the semiconductor substrate, the third semiconductor layer being spaced apart from the second semiconductor layer; and a third intrinsic semiconductor layer between the third semiconductor layer and the semiconductor substrate.

Abstract: The present invention relates to a ventilating apparatus for ventilating a display of a hall door with clean air, and the ventilating apparatus includes: a rectangular parallelepiped monitor box MB which is fixed onto a rear surface of a hall door D at a rear side of an opening 15 of the elevator hall door D made of metal, and protrudes at the rear side of the elevator hall door D to accommodate a monitor M; a monitor M which is fixed into the monitor box MB; a tempered glass plate 20 which is disposed at the rear side of the opening 15 of the elevator hall door D, and sized to cover the entire monitor to protect the monitor M from frontal impact; a plurality of inlets and outlets 52 and 54 which is formed at a central lateral portion D1 of the hall door D and connected to the interior of the monitor box MB; and two blower fans F1 and F2 which are installed in the monitor box MB between the monitor M and the inlets and outlets 52 and 54, and provide air, in which when the blower fans F1 and F2 operate, air in

Abstract: The present invention relates to a social media question and answer service, and discloses a social media issue processing device and method. The method includes a question analyzing unit which analyzes a question type of an input question through a question pattern dictionary which is stored in advance; a social media analyzing unit which performs issue period recognition for the question, question type based analysis, question based summary creation, and question based reliability calculation; and a report creating unit which creates a summary in accordance with at least one of correlation between the question type and the question based summary, correlation between the issue period and the question type based analysis result, and correlation between the reliability and the question based summary.

Abstract: Disclosed are a light emitting device and a lighting system having the same. The light emitting device includes a body including first and second lateral side parts, third and fourth lateral side parts, and a cavity, a first lead frame extending in a direction of the first lateral side part of the body, a second lead frame extending in a direction of the second lateral side part of the body, a light emitting chip disposed on the first lead frame in the cavity, and a gap part between the first and second lead frames. The first lead frame includes a first recess part having a first depth, and a second recess part recessed at a second depth, and the first recess part and the second recess part have a step structure with a curved surface.

Abstract: An electronic component comprises a magnetic body containing a magnetic metal powder; and internal coil parts embedded in the magnetic body and disposed on one surface and the other surface of an insulating substrate, respectively. A core part is disposed inwardly of the internal coil parts, and a through-hole penetrating through the magnetic body is disposed in a portion of the core part.

Abstract: Disclosed are a light emitting device and a lighting system having the same. The light emitting device includes a body including first and second lateral side parts, third and fourth lateral side parts, and a cavity, a first lead frame extending in a direction of the first lateral side part of the body, a second lead frame extending in a direction of the second lateral side part of the body, a gap part between the first and second lead frames, and a molding member in the cavity. The first lead frame includes a first recess part having a first depth, and a second recess part recessed at a second depth in a region adjacent to the first lateral side part of the body, and the first depth of the first recess part is different from the second depth of the second recess part.

Abstract: A solar cell including a first conductive type semiconductor substrate; a first intrinsic semiconductor layer on a front surface of the semiconductor substrate; a first conductive type first semiconductor layer on at least one surface of the first intrinsic semiconductor layer; a second conductive type second semiconductor layer on a back surface of the semiconductor substrate; a second intrinsic semiconductor layer between the second semiconductor layer and the semiconductor substrate; a first conductive type third semiconductor layer on the back surface of the semiconductor substrate, the third semiconductor layer being spaced apart from the second semiconductor layer; and a third intrinsic semiconductor layer between the third semiconductor layer and the semiconductor substrate.

Abstract: There are provided a coil component and a board having the same. The coil component may include: a magnetic body including a substrate having two cores, first and second coil parts disposed on one surface of the substrate, and third and fourth coil parts disposed on the other surface of the substrate; a connection part disposed to penetrate through the two cores in the magnetic body and connecting the two cores to each other; and first to fourth external electrodes disposed on outer surfaces of the magnetic body and connected to the first to fourth coil parts.

Abstract: There are provided a coil component and a board having the same. The coil component includes: a magnetic body including first and second coil parts disposed to be symmetrical to each other on one surface of a substrate on the basis of a central portion of the magnetic body and third and fourth coil parts disposed to be symmetrical to each other on the other surface of the substrate on the basis of the central portion of the magnetic body; and first to fourth external electrodes disposed on outer surfaces of the magnetic body and connected to the first to fourth coil parts.

Abstract: There are provided a coil component and a board having the same. The coil component includes: a magnetic body including a substrate having two cores, first and second coil parts disposed on one surface of the substrate and wound in the same direction, and third and fourth coil parts disposed on the other surface of the substrate to be spaced apart from each other; and first to fourth external electrodes disposed on outer surfaces of the magnetic body and connected to the first to fourth coil parts.

Abstract: Disclosed herein are a common mode filter capable of implementing high inductance without deterioration of a moisture resistance load, and a method of manufacturing the same. The common mode filter includes: a magnetic substrate; an insulating layer disposed on the magnetic substrate; and a coil electrode layer disposed in the insulating layer, wherein the magnetic substrate has a groove part formed at an edge of an upper surface thereof, and a material of the insulating layer is filled into the groove part.