Abstract: A photovoltaic power generating system includes a plurality of photovoltaic strings including a plurality of photovoltaic modules connected in series, an inverter that converts direct current supplied from the photovoltaic (solar cell) strings into alternating current and transmits the converted current to a power-consuming device, and a controller that determines whether a ground fault occurs in each of the photovoltaic strings on the basis of actual open-circuit voltages of the photovoltaic strings, and electrically disconnects a faulty photovoltaic string in which the ground fault occurs among the plurality of photovoltaic strings from the inverter.

Abstract: The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.

Abstract: The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.

Abstract: A shoe care device includes an inner cabinet having an accommodation space configured to accommodate shoes; a connection path configured to provide a flow path into which air from the accommodation space is introduced and then discharged back into the accommodation space; a blowing part disposed in the connection path and configured to blow air; a dehumidifying part disposed in the connection path and configured to dehumidify the air; a steam part configured to supply steam to the inner cabinet; a control panel so that a control signal for the processing process can be input by a user; and a controller configured to control a display state of information output through the control panel depending on a type of the processing stroke. The control panel includes a sub-layer where a first control user interface (UI) is disposed; and a main layer where a second control is disposed.

Abstract: A rail inspection device is provided. The rail inspection device includes a traveling machine that travels along a rail and includes an optical system that acquires an image of an area of the rail being traveled; and a main body having the traveling machine installed on an upper surface and including an image analyzer that analyzes the image acquired from the optical system, wherein the image analyzer: sets at least one virtual area in the rail area image, extracts an item image of an inspection target item within the virtual area, and inspects the inspection target item by comparing the extracted item image with a normal image of the inspection target item.

Abstract: The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.

Abstract: The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.

Abstract: A dry cleaning apparatus includes a drive IC separating unit configured to separate a drive device from a display panel or a flexible printed circuit board, a first cleaning unit configured to remove residues of an anisotropic conductive film by performing CO2 cleaning on the drive device, a second cleaning unit configured to remove residues of the anisotropic conductive film by performing atmospheric pressure plasma cleaning on the drive device, and a surface inspecting unit configured to perform surface inspection on the drive device after the CO2 cleaning or the atmospheric pressure plasma cleaning.

Abstract: The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.

Abstract: The present invention discloses a back contact solar cell comprising: a first conductive type semiconductor substrate having a front surface and a rear surface of a texturing structure; an oxide layer formed on the front surface of the substrate; at least one first conductive type semiconductor region and second conductive type semiconductor region alternatively formed at predetermined intervals on the rear surface of the substrate; an oxide layer formed on the remaining rear surface of the substrate except for the first conductive type semiconductor region and the second conductive type semiconductor region; and electrodes formed on each of the first conductive type semiconductor region and the second conductive type semiconductor region.

Abstract: The present disclosure relates to artificial leather. More specifically, the present disclosure relates to biodegradable and odorless artificial leather including coffee grounds. A composition for artificial leather includes a first resin, a first plasticizer, and a masterbatch including a second resin, a second plasticizer, and coffee grounds. The artificial leather includes a sheet layer including the composition disclosed herein.

Abstract: A substrate inspection apparatus generates, when anomalies of a plurality of second solder pastes among a plurality of first solder pastes printed on a first substrate is detected, at least one image indicating a plurality of second solder pastes with anomalies detected by using an image about a first substrate, applies the at least one image to a machine-learning-based model, acquires a plurality of first values indicating relevance of respective first fault types to the at least one image and a plurality of first images indicating regions associated with one of a plurality of first fault types, determines a plurality of second fault types, which are associated with the plurality of second solder pastes by using the plurality of first values and the plurality of first images, and determines at least one third solder paste, which is associated with the respective second fault types.

Abstract: An electronic device includes a communication circuit that communicates with a server for issuing a mobile card, a secure element that stores the mobile card, a memory, and a processor that is electrically connected to the communication circuit, the secure element, and the memory, wherein the processor receives personal data required for authentication of a user corresponding to the mobile card and card data required for payment by the mobile card through the communication circuit from the server when the mobile card is provisioned, and stores, in the secure element, backup data including the personal data and the card data for backing up the mobile card.

Abstract: A display apparatus includes: a display; a receiver configured to receive data of main content from a content provider; and a processor configured to control the receiver to receive image data and reference information about whether sub content is involved along with main content in the image data, control the display to display an image of the main content and the sub content selectively involved in the main content based on the image data received in the receiver, and make the image be displayed by one image process selected corresponding to whether the sub content is involved in the image based on the reference information among a plurality of image processes.

Abstract: A substrate inspection apparatus generates, when anomalies of a plurality of second solder pastes among a plurality of first solder pastes printed on a first substrate is detected, at least one image indicating a plurality of second solder pastes with anomalies detected by using an image about a first substrate, applies the at least one image to a machine-learning-based model, acquires a plurality of first values indicating relevance of respective first fault types to the at least one image and a plurality of first images indicating regions associated with one of a plurality of first fault types, determines a plurality of second fault types, which are associated with the plurality of second solder pastes by using the plurality of first values and the plurality of first images, and determines at least one third solder paste, which is associated with the respective second fault types.

Abstract: Provided are an optical member, a display device including the same, and method for fabricating the optical member. The optical sheet includes an adhesive layer; and an optical pattern in contact with a first surface of the adhesive layer; and a release film in contact with a second surface of the adhesive layer, opposite to the first surface, wherein the optical pattern comprises a first pattern extending in a first direction, and a plurality of second patterns formed on the first pattern, wherein the first pattern comprises peak portions having a largest thickness and depressed portions having a smallest thickness, and the adhesive layer comprises a third pattern of recesses respectively aligned with the depressed portions of the first pattern, and a fourth pattern of recesses respectively aligned with the plurality of second patterns.

Abstract: A dual needle set for hair loss treatment includes a thread configured with a plurality of strands and having a single or multiple gold threads, a first lone needle in which an end of the suture thread is inserted, and a second short needle in which the other end of the suture thread is inserted more easily to the same implanting hole of pre-implanted gold threads for tying or fixing. A needle part is formed at an end of the first and second needles, an installation groove is formed with a predetermined depth at the other end of the first and second needles so that the suture thread can be inserted, and the first and second needles include individually a bent part formed with a predetermined angle.

Abstract: The present invention relates to a point-of-impact analysis apparatus for improving the accuracy of a ballistic trajectory and a point of impact by applying a shooting environment of a real personal firearm to virtual reality, and a virtual shooting training simulation system using same, the point-of-impact analysis apparatus including: a gun analysis module for generating gun information on a gun structure of a virtual gun which is a model possessed by a user in a real space; a bullet analysis module for generating bullet information on a structure of a bullet applied to the virtual gun; an environment analysis module for detecting an environmental state of a shooting training content output on a screen so as to generate environmental information on the environmental state; and a point-of-impact generation module for generating point-of-impact information related to a position, at which the bullet impacts a target displayed on the screen, by making reference to at least one piece of information among the gun

Abstract: A display apparatus includes: a display; a receiver configured to receive data of main content from a content provider; and a processor configured to control the receiver to receive image data and reference information about whether sub content is involved along with main content in the image data, control the display to display an image of the main content and the sub content selectively involved in the main content based on the image data received in the receiver, and make the image be displayed by one image process selected corresponding to whether the sub content is involved in the image based on the reference information among a plurality of image processes.

Abstract: An image sensing device and a method for forming the same are disclosed. The image sensing device includes a substrate including one or more photoelectric conversion elements, and a grid structure disposed over the substrate. The grid structure includes an air layer, a support film formed over the air layer, and a capping film formed at side surfaces of the air layer and the support film and at a top surface of the support film.