Abstract: A circuit board according to an embodiment includes a core layer including a first region and a second region, and antenna power supply wirings disposed on the core layer over the first region and the second region. The antenna power supply wirings may include a first portion extending in a first direction in the first region, a second portion extending in a second direction in the first region, and a third portion extending in the first direction in the second region, and an interval between the neighboring second portions of the antenna power supply wirings is 3 times or less of an interval between the neighboring third portions of the antenna power supply wirings.

Abstract: An antenna package according to an embodiment includes an antenna unit including a radiator, a transmission line extending from the radiator and an antenna ground pad disposed around the transmission line, and a circuit board electrically connected to the antenna unit. The circuit board includes a core layer, a circuit wiring layer disposed on one surface of the core layer, the circuit wiring layer including a signal transmission wiring electrically connected to the transmission line of the antenna unit and a first ground pattern bonded to the antenna ground pad, and a ground layer disposed on an opposite surface facing the one surface of the core layer. The ground layer does not overlap a portion of the antenna ground pad except for a region bonded to the first ground pattern in a planar view.

Abstract: A resistance random access memory device includes a resistance change layer, including an organometallic halide having perovskite grains, disposed on a first electrode; and a second electrode disposed on the resistance change layer. A boundary between the perovskite grains comprises an amorphous metal oxide.

Abstract: In a method of producing an ethylene-carboxylic acid copolymer, an ethylene monomer and a carboxylic acid comonomer are supplied to a reactor. The ethylene monomer and the carboxylic acid comonomer are copolymerized using a chain transfer agent represented by a specific chemical formula to form the ethylene-carboxylic acid copolymer.

Abstract: Disclosed is an external image display device for vehicles, including a mounting unit having one surface exposed outside a vehicle, a housing configured to be selectively rotated by driving of a driving unit coupled to the mounting unit to expose a monitoring area outside the mounting unit, and a camera module mounted in a mounting area provided in the housing to be separated from the driving unit and configured to be selectively changed from a stowed state to an exposed state by rotation of the housing to monitor the area surrounding the vehicle.

Abstract: A resistance access memory device includes a first electrode, a resistance change layer, formed on the first electrode, comprising a thin film containing BiX13 and and Bi2X2(3-x), and a second electrode formed on the resistance change layer, where X1 is a halogen element selected from the group consisting of F, Cl, Br, I, and combinations thereof, X2 is a chalcogen element selected from the group consisting of S, Se, Te, and combinations thereof, and x is a real number of 0 or more and less than 3.

Abstract: An exterior camera lens cleaning system for a vehicle may include: a base unit fixed to the vehicle; a housing unit configured to be rotatable with respect to the base unit; a camera unit including a camera module, the camera unit at least partially inserted into the housing unit and configured to move in a longitudinal direction of the housing unit; a wiper disposed on an inside surface of the housing unit so as to face the camera module; and a control unit configured to receive video data through the camera module, to control a rotation operation of the housing unit based on a state of the vehicle, and to control an extension operation of the camera unit. The camera unit may be interlocked with the housing unit, and when the housing unit is rotated by the control unit, the camera unit may be configured to move horizontally in the longitudinal direction of the housing unit.

Abstract: An organic light emitting diode and an organic light emitting device including the same are described. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a red emitting material layer and a first hole transporting layer and positioned between the first and second electrodes. The red emitting material layer can include a first red host and a red dopant, and the first hole transporting layer can include a hole transporting material and is positioned between the first electrode and the red emitting material layer.

Abstract: A resistance random access memory device includes a resistance change layer, including an organometallic halide having perovskite grains, disposed on a first electrode; and a second electrode disposed on the resistance change layer. A boundary between the perovskite grains comprises an amorphous metal oxide.

Abstract: The present disclosure relates to a resistance random access memory device, including a first electrode, a resistance change layer formed on the first electrode, and a second electrode formed on the resistance change layer, and the resistance change layer includes a bismuth halide-based BiIxBr3-x thin film (where 0?x?3) and/or a Cs2AgBiBrxI6-x thin film (where 0?x?6) having an elpasolite structure.

Abstract: A resistance access memory device includes a first electrode, a resistance change layer, formed on the first electrode, comprising a thin film containing BiX13 and and Bi2X2(3-x), and a second electrode formed on the resistance change layer, where X1 is a halogen element selected from the group consisting of F, Cl, Br, I, and combinations thereof, X2 is a chalcogen element selected from the group consisting of S, Se, Te, and combinations thereof, and x is a real number of 0 or more and less than 3.

Abstract: An exterior camera lens cleaning system for a vehicle may include: a base unit fixed to the vehicle; a housing unit configured to be rotatable with respect to the base unit; a camera unit including a camera module, the camera unit at least partially inserted into the housing unit and configured to move in a longitudinal direction of the housing unit; a wiper disposed on an inside surface of the housing unit so as to face the camera module; and a control unit configured to receive video data through the camera module, to control a rotation operation of the housing unit based on a state of the vehicle, and to control an extension operation of the camera unit. The camera unit may be interlocked with the housing unit, and when the housing unit is rotated by the control unit, the camera unit may be configured to move horizontally in the longitudinal direction of the housing unit.

Abstract: The puddle lamp for a vehicle includes a collimating unit for collimating light emitted from a light source unit; a logo mask having a predetermined pattern that includes a region through which the light is transmitted and a region through which the light is obstructed; an image forming unit for forming an image corresponding to the pattern by the light that passes through the logo mask from the collimating unit; and a holder in which the collimating unit and the image forming unit are assembled. The image forming unit includes a lens assembly in which a plurality of lenses are stacked and assembled, and the lens assembly includes a first lens and a second lens disposed on and coupled to the first lens via at least one fastening portion that extends from the first lens.

Abstract: An exterior camera lens cleaning system for a vehicle may include: a base unit fixed to the vehicle; a housing unit configured to be rotatable with respect to the base unit; a camera unit including a camera module, the camera unit at least partially inserted into the housing unit and configured to move in a longitudinal direction of the housing unit; a wiper disposed on an inside surface of the housing unit so as to face the camera module; and a control unit configured to receive video data through the camera module, to control a rotation operation of the housing unit based on a state of the vehicle, and to control an extension operation of the camera unit. The camera unit may be interlocked with the housing unit, and when the housing unit is rotated by the control unit, the camera unit may be configured to move horizontally in the longitudinal direction of the housing unit.

Abstract: The present disclosure relates to a resistive random access memory device and a preparing method thereof.

Abstract: A lamp for vehicle includes a light source unit including a light source and a light guide unit which emits light incident from the light source to form an image having a predetermined shape; a lamp assembly including a lamp housing and a lens unit coupled to the lamp housing to form a space for accommodating the light source unit and a plurality of lamp components; and a position fixing unit formed on one side in the lamp assembly to fix a position of the light source unit. The position fixing unit comprises a first contact portion that contacts at least a portion of a lower surface of the light guide unit; and a second contact portion that contacts at least a portion of an upper surface of the light guide unit.

Abstract: A lamp for vehicle includes a light source unit including a light source and a light guide unit which emits light incident from the light source to form an image having a predetermined shape; a lamp assembly including a lamp housing and a lens unit coupled to the lamp housing to form a space for accommodating the light source unit and a plurality of lamp components; and a position fixing unit formed on one side in the lamp assembly to fix a position of the light source unit. The position fixing unit comprises a first contact portion that contacts at least a portion of a lower surface of the light guide unit; and a second contact portion that contacts at least a portion of an upper surface of the light guide unit.

Abstract: A rotatable rear-view mirror with a display may include a rear-view mirror housing having two openings to make it possible to select one of more visible view surfaces of a display mirror and a general mirror, wherein the rotatable rear-view mirror further include a housing coupled to a mounting guide device disposed inside a windshield glass and having two different openings; a mirror device disposed in one of the openings of the housing; and a display device disposed in a remaining one of the openings and wherein the housing may be configured to be rotatable by a predetermined angle based on a first end portion of the mounting guide device so that a rear view is provided through the mirror device or the display device depending on a request of a driver.

Abstract: A device and a method for purifying exhaust gas are provided to reduce hydrocarbon emissions during a cold start by using an exhaust gas recirculation (EGR) system. The device is configured to purify hydrocarbon (HC) contained in the exhaust gas in an exhaust line of an engine having an exhaust gas recirculation (EGR) system. The device includes a warm-up catalytic converter (WCC) disposed on the exhaust line connected to the engine and a recirculation line disposed upstream or downstream of the WCC on the exhaust line and through which the exhaust gas is recirculated to the engine.