Abstract: An electronic device having a fingerprint sensing function is provided. The electronic device includes a flexible display panel, an image sensor, and a hard protective film. The flexible display panel has a fingerprint sensing area. The image sensor is disposed under the flexible display panel and below the fingerprint sensing area. The hard protective film is disposed between the flexible display panel and the image sensor and under the fingerprint sensing area.

Abstract: A power cable includes a conductor; an inner semi-conductive layer covering the conductor; an insulating layer covering the inner semi-conductive layer, the insulating layer being impregnated with an insulating oil; an outer semi-conductive layer covering the insulating layer; a metal sheath layer covering the outer semi-conductive layer; and a cable protection layer covering the metal sheath layer. The insulating layer is formed by cross-winding insulating paper and impregnating the insulating paper with the insulating oil. The inner semi-conductive layer and the outer semi-conductive layer are formed by cross-winding semi-conductive paper and impregnating the semi-conductive paper with the insulating oil. A thickness of the outer semi-conductive layer is 7.5 to 15% of a total thickness of the inner semi-conductive layer, the insulating layer, and the outer semi-conductive layer.

Abstract: Provided is a power cable, particularly, an ultra-high voltage underground or submarine cable for long-distance direct-current transmission. More specifically, the present invention relates to a power cable, in which an insulating layer has high dielectric strength, an electric field applied to the insulating layer is effectively reduced, and particularly, a large void is suppressed from occurring in the insulating layer when the power cable is left at low temperatures for a long time until electric current is supplied thereto after installed in a low-temperature environment, thereby effectively preventing partial discharge, dielectric breakdown, etc. from occurring due to an electric field concentrated in the large void.

Abstract: A superconducting cable is provided. The superconducting cable includes a core part including a former disposed at the center of the core part, one or more superconducting conductive layers with each electric phase disposed at the outside of the former in a radial directions, a insulating layer disposed at the outside of each the conductive layer in a radial direction and a shielding layer disposed at the outermost of the insulating layer; and a cryostat disposed at the outside of the core part in a radial direction with first space being interposed therebetween, having a vacuum part disposed therein and electrically wired to neutral pole (N pole).

Abstract: A termination structure for a superconducting cable is described. The termination structure for a superconducting cable includes a first tube including a conductive rod therein to form a room temperature section, a second tube including a conductive rod therein to form a temperature gradient section, and a spacer provided between the first and second tubes, the spacer including a conductive connector configured to connect the conductive rods inside the first and second tubes to each other. The first and second tubes are joined to be separable from each other.

Abstract: A stop joint for a superconducting cable is provided to maintain superconducting properties by installing the stop joint on a long distance line in which a long distance superconducting cable has to be installed and unitizing a circulation path of a cooling fluid.

Abstract: Disclosed herein is a temperature movable structure of a superconducting cable terminal. The superconducting cable terminal has sections of a high temperature portion, a temperature movable portion and an extremely low temperature portion. The temperature movable structure is disposed in the section of the temperature movable portion between the sections of the high temperature portion and the extremely low temperature portion. The temperature movable structure has upper and lower spacer members, a pipe body, first and third conductors, a second conductor and a contact connecting member disposed between the first and second conductors.

Abstract: A superconducting cable is provided. The superconducting cable includes a core part including a former disposed at the center of the core part, one or more superconducting conductive layers with each electric phase disposed at the outside of the former in a radial directions, a insulating layer disposed at the outside of each the conductive layer in a radial direction and a shielding layer disposed at the outermost of the insulating layer; and a cryostat disposed at the outside of the core part in a radial direction with first space being interposed therebetween, having a vacuum part disposed therein and electrically wired to neutral pole (N pole).

Abstract: The arrangement method of superconducting wires of a superconducting cable, includes: in a case where a refrigerator is installed at one of terminal structures provided on both sides of a superconducting cable, and a cooling fluid is passed through the superconducting cable by a pump for cooling, setting the numbers of superconducting wires of sections of the superconducting cable installed between the terminal structures on both the sides to be different depending to temperatures of the sections, wherein the numbers of superconducting wires are increased from the section of the superconducting cable having the lowest temperature to the section thereof having the highest temperature while maintaining a current-carrying capability.

Abstract: Provided is a superconducting cable device including: a first superconducting cable and a second superconducting cable; an intermediate connection box which connects the first and second superconducting cables to each other; and a cooling device which causes a coolant to flow inside the intermediate connection box in a lengthwise direction of the intermediate connection box, wherein a cable connection portion for connecting the first and second superconducting cables to each other is provided in the intermediate connection box. In an uncooled state, the cable connection portion is disposed to be eccentric from a center line in the lengthwise direction of the intermediate connection box in a direction in which the coolant flows.

Abstract: A superconducting cable terminal connection device connecting a terminal of a superconducting cable for power transmission to an external power system, includes: an electric field relaxation shield disposed inside an insulation housing; a horizontal conductor fixed to an end portion of a core of the superconducting cable drawn into the electric field relaxation shield; an insulator which coats an outer periphery of the horizontal conductor; a vertical conductor which is drawn into the electric field relaxation shield and has a through-hole through which the horizontal conductor and the insulator pass so as to be slidable in a lengthwise direction; and a flexible electrical conduction member which electrically connects an end portion of the horizontal conductor to the vertical conductor.

Abstract: Provided is a superconducting cable device including: a first superconducting cable and a second superconducting cable; an intermediate connection box which connects the first and second superconducting cables to each other; and a cooling device which causes a coolant to flow inside the intermediate connection box in a lengthwise direction of the intermediate connection box, wherein a cable connection portion for connecting the first and second superconducting cables to each other is provided in the intermediate connection box. In an uncooled state, the cable connection portion is disposed to be eccentric from a center line in the lengthwise direction of the intermediate connection box in a direction in which the coolant flows.

Abstract: A terminal apparatus for a superconducting cable system connects an overhead transmission cable or power appliance such as a breaker in an ambient temperature state to a superconducting cable through which power is transmitted at a cryogenic temperature. The terminal apparatus has: a refrigerant tub which is connected to the end of a superconducting cable and is filled with a refrigerant; a vacuum heat insulating container that surrounds the exterior of the refrigerant tub; a current lead having one end connected to the end portion of the superconducting cable and the other end connected to the overhead transmission cable or power appliance through the refrigerant tub and the vacuum heat insulating container; and a superconducting fault current limiter installed at a center portion of the current lead in the interior of the refrigerant tub to limit fault current.

Abstract: A superconducting cable terminal connection device connecting a terminal of a superconducting cable for power transmission to an external power system, includes: an electric field relaxation shield disposed inside an insulation housing; a horizontal conductor fixed to an end portion of a core of the superconducting cable drawn into the electric field relaxation shield; an insulator which coats an outer periphery of the horizontal conductor; a vertical conductor which is drawn into the electric field relaxation shield and has a through-hole through which the horizontal conductor and the insulator pass so as to be slidable in a lengthwise direction; and a flexible electrical conduction member which electrically connects an end portion of the horizontal conductor to the vertical conductor.

Abstract: The arrangement method of superconducting wires of a superconducting cable, includes: in a case where a refrigerator is installed at one of terminal structures provided on both sides of a superconducting cable, and a cooling fluid is passed through the superconducting cable by a pump for cooling, setting the numbers of superconducting wires of sections of the superconducting cable installed between the terminal structures on both the sides to be different depending to temperatures of the sections, wherein the numbers of superconducting wires are increased from the section of the superconducting cable having the lowest temperature to the section thereof having the highest temperature while maintaining a current-carrying capability.

Abstract: A stop joint for a superconducting cable is provided to maintain superconducting properties by installing the stop joint on a long distance line in which a long distance superconducting cable has to be installed and unitizing a circulation path of a cooling fluid.

Abstract: A termination structure for a superconducting cable is provided. The termination structure for a superconducting cable includes a first tube including a conductive rod therein to form a room temperature section, a second tube including a conductive rod therein to form a temperature gradient section, and a spacer provided between the first and second tubes, the spacer comprising a conductive connector configured to connect the conductive rods inside the first and second tubes to each other. The first and second tubes are joined to be separable from each other.

Abstract: A superconducting cable having wide-width superconducting strip lines. The superconducting cable having wide-width superconducting strip lines includes, from the center of the cable, a former, a superconducting layer, an electronic insulation layer, and a superconducting shield layer. The superconducting layer is formed as a plurality of superconducting strip lines spirally wound around the circumference of the former, and each of the strip lines has a rectangular cross section. The strip lines are, respectively, made up of a wide-width strip line of which the ratio of the width to the thickness is within the range of 20 to 30. The cable may prevent to deteriorate the efficiency of the cable, by reducing the vertical element of the magnetic field occurred around the strip lines. The structure disclosed herein may reduce the whole intensity of the magnetic field, and reduce the whole outer diameter of the cable.

Abstract: Provided is a superconducting cable configured to improve superconductivity by increasing reflectivity of cryostats and enhancing cooling performance. The superconducting cable includes: a core provided with a conductor; and a cryostat surrounding a periphery of the core. A material of the cryostat is aluminum or an aluminum alloy and a surface roughness of the cryostat is 30 microns or less in terms of RMS value.

Abstract: Disclosed herein is a shielding conductor connecting structure of a terminal for super-conductor cable. The shielding conductor connecting structure includes an inner cryostat for forming an extremely low temperature portion while having a super-conductor cable formed therein, an outer cryostat formed with an interval so that a shielding conductor is extracted from the super-conductor cable, a plurality of vacuum tubes formed at an interval to protrude along an outer circumferential surface of the outer cryostat, a short-circuit conductor formed in each of the vacuum tubes to be connected to another phase connection portion and a short-circuit conductor connection portion formed in the interior of the outer cryostat and connected to the short-circuit conductor in the vacuum tube while being connected to the shielding conductor connected to the super-conductor cable.