Abstract: An antenna apparatus includes: a parabolic reflector; a dielectric support pedestal; a sub-reflector connected to an upper part of the dielectric support pedestal; and a waveguide connected to a lower part of the dielectric support pedestal, wherein the parabolic reflector has a curved surface in which a ratio of a focal length to a diameter is greater than a preset value, and at least one corrugation configured to suppress a cross polarization is formed in a region of the dielectric support pedestal.

Abstract: A semiconductor device, and method of manufacturing a semiconductor device, includes second conductive patterns separated from each other above a first stack structure which is penetrated by first channel structures and enclosing second channel structures coupled to the first channel structures, respectively. Each of the second conductive patterns includes electrode portions stacked in a first direction and at least one connecting portion extending in the first direction to be coupled to the electrode portions.

Abstract: Provided is a filter module including a filter arranged on a flow path through which air passes, a first electrode arranged to face a first surface of the filter and a second electrode arranged to face a second surface of the filter opposite to the first surface, wherein a space is maintained in at least one of between the first surface and the first electrode or between the second surface and the second electrode through a spacer, so that the first electrode and the second electrode are prevented from being electrically connected to each other through foreign substances that are collected by the filter at a predetermined amount or more.

Abstract: The present invention relates to an portable emergency situation display device for a vehicle, the device having a cover that closes the upper part of a case so that a warning display unit is not exposed to the outside when the warning display unit and a road safety image display unit are accommodated in the case, and thus damage to the warning display unit is prevented, wherein the warning display unit is fixed, at a certain angle, to an angle adjustment protrusion, formed on a support, while moving and rotating by means of spring elasticity, so as to maintain an accurate angle and prevent movement of the warning display unit, and a movement prevention unit is mounted at the lower part of the case so as to be exposed or retracted, thereby supporting the lower part of the case and minimizing shaking.

Abstract: Provided is a filter module including a filter arranged on a flow path through which air passes, a first electrode arranged to face a first surface of the filter and a second electrode arranged to face a second surface of the filter opposite to the first surface, wherein a space is maintained in at least one of between the first surface and the first electrode or between the second surface and the second electrode through a spacer, so that the first electrode and the second electrode are prevented from being electrically connected to each other through foreign substances that are collected by the filter at a predetermined amount or more.

Abstract: The present invention relates to an portable emergency situation display device for a vehicle, the device having a cover that closes the upper part of a case so that a warning display unit is not exposed to the outside when the warning display unit and a road safety image display unit are accommodated in the case, and thus damage to the warning display unit is prevented, wherein the warning display unit is fixed, at a certain angle, to an angle adjustment protrusion, formed on a support, while moving and rotating by means of spring elasticity, so as to maintain an accurate angle and prevent movement of the warning display unit, and a movement prevention unit is mounted at the lower part of the case so as to be exposed or retracted, thereby supporting the lower part of the case and minimizing shaking.

Abstract: Disclosed herein are a sleep management method includes obtaining sleep data of a user, obtaining a sleep state of the user on the basis of the sleep data, and controlling at least one home appliance on the basis of the sleep state of the user, and the sleep data includes signals corresponding to a heart rate, respiration rate, and movement of the user detected by a piezoelectric sensor.

Abstract: A dishwasher according to the present invention includes a tub having a double wall structure so that consumption of energy is reduced using water or air stored in an inner space of the double wall structure of the tub in a washing process and consumption of water is reduced using the water stored in the inner space of the double wall structure in a next washing process.

Abstract: An indoor unit of an air conditioning system is provided. The indoor unit according to an exemplary embodiment includes a blower fan, a plurality of micro-holes configured to discharge cool air flowed in from the blower fan, a temperature sensor configured to measure a temperature, and a processor configured to control a speed of the blower fan, wherein the processor, in a first mode, controls the speed of the blower fan according to a temperature sensed by the temperature sensor, and in a second mode, corrects the sensed temperature by applying a temperature correction coefficient and controls the speed of the blower fan according to the corrected temperature, and wherein the temperature correction coefficient is a coefficient set for compensating a difference between the sensed temperature and a temperature of a target height.

Abstract: An electrostatic precipitator is provided. The electrostatic precipitator includes an electrode part including a high voltage electrode with voltage applied thereto and a ground electrode coiled in a circumferential direction along with the high voltage electrode while being spaced apart from the high voltage electrode, and a plurality of turning flow paths inclined with respect to an axial direction of the electrode part between the high voltage electrode and the ground electrode.

Abstract: Disclosed herein are a sleep management method includes obtaining sleep data of a user, obtaining a sleep state of the user on the basis of the sleep data, and controlling at least one home appliance on the basis of the sleep state of the user, and the sleep data includes signals corresponding to a heart rate, respiration rate, and movement of the user detected by a piezoelectric sensor.

Abstract: A dishwasher according to the present invention includes a tub having a double wall structure so that consumption of energy is reduced using water or air stored in an inner space of the double wall structure of the tub in a washing process and consumption of water is reduced using the water stored in the inner space of the double wall structure in a next washing process.

Abstract: An indoor unit of an air conditioning system is provided. The indoor unit according to an exemplary embodiment includes a blower fan, a plurality of micro-holes configured to discharge cool air flowed in from the blower fan, a temperature sensor configured to measure a temperature, and a processor configured to control a speed of the blower fan, wherein the processor, in a first mode, controls the speed of the blower fan according to a temperature sensed by the temperature sensor, and in a second mode, corrects the sensed temperature by applying a temperature correction coefficient and controls the speed of the blower fan according to the corrected temperature, and wherein the temperature correction coefficient is a coefficient set for compensating a difference between the sensed temperature and a temperature of a target height.

Abstract: An electrostatic precipitator is provided. The electrostatic precipitator includes an electrode part including a high voltage electrode with voltage applied thereto and a ground electrode coiled in a circumferential direction along with the high voltage electrode while being spaced apart from the high voltage electrode, and a plurality of turning flow paths inclined with respect to an axial direction of the electrode part between the high voltage electrode and the ground electrode.

Abstract: Disclosed herein is a dishwasher having a structure capable of reducing energy consumption, and improving drying performance. The dishwasher includes a body, a washing tub provided inside the body and a drying unit in which a dehumidifying member is rotatably accommodated, wherein the dehumidifying member may include a dehumidifying area and a regenerating area separated from the dehumidifying area to perform dehumidifying and regenerating concurrently.

Abstract: A dehumidifier including an evaporator, a condenser, and a fan arranged in a main body. The fan includes a first blowing part to blow air having passed through both the evaporator and the condenser, and a second blowing part to selectively blow any one of air having passed through both the condenser and the evaporator and air having passed through only the evaporator. The dehumidifier may additionally function to supply cold air.

Abstract: Disclosed herein is a dishwasher having a structure capable of reducing energy consumption, and improving drying performance. The dishwasher includes a body, a washing tub provided inside the body and a drying unit in which a dehumidifying member is rotatably accommodated, wherein the dehumidifying member may include a dehumidifying area and a regenerating area separated from the dehumidifying area to perform dehumidifying and regenerating concurrently.

Abstract: A dehumidifier including an evaporator, a condenser, and a fan arranged in a main body. The fan includes a first blowing part to blow air having passed through both the evaporator and the condenser, and a second blowing part to selectively blow any one of air having passed through both the condenser and the evaporator and air having passed through only the evaporator. The dehumidifier may additionally function to supply cold air.