Abstract: A transistor may include a first insulating layer disposed on a substrate, a dummy layer disposed on the first insulating layer, a semiconductor layer disposed on the dummy layer, the semiconductor layer including a first area, a second area, and a channel area disposed between the first and second areas, a second insulating layer disposed on the semiconductor layer, a gate electrode overlapping the channel area with the second insulating interposed therebetween, a third insulating layer disposed over the gate electrode, a first electrode disposed on the third insulating layer, the first electrode being electrically connected to the first area, and a second electrode disposed on the third insulating layer spaced apart from the first electrode, the second electrode being electrically connected to the second area. The dummy layer may include indium oxide, and the semiconductor layer may include indium gallium zinc oxide.

Abstract: A power apparatus for integrated cooling includes a housing, a driving section disposed in the housing, a generator disposed in front or in rear of the driving section in the housing to generate electricity by receiving power from the driving section, and a cooling section disposed in front of the generator in the housing to inhale a fluid by receiving the power from the driving section and cool the generator and the driving section, wherein the cooling section is configured to divide the inhaled fluid toward the driving section and the generator to cool the driving section and the generator.

Abstract: Provided is a high efficiency long range drone, and more particularly, a high efficiency long range drone capable of increasing flight time and efficiently using power during long range cruising flight by selectively using the power among an engine generator and a battery and applying an auxiliary wing.

Abstract: A power apparatus for integrated cooling includes a housing, a driving section disposed in the housing, a generator disposed in front or in rear of the driving section in the housing to generate electricity by receiving power from the driving section, and a cooling section disposed in front of the generator in the housing to inhale a fluid by receiving the power from the driving section and cool the generator and the driving section, wherein the cooling section is configured to divide the inhaled fluid toward the driving section and the generator to cool the driving section and the generator.

Abstract: Provided is a high efficiency long range drone, and more particularly, a high efficiency long range drone capable of increasing flight time and efficiently using power during long range cruising flight by selectively using the power among an engine generator and a battery and applying an auxiliary wing.

Abstract: As a component of an aerial vehicle, a power management system having an active power control device is provided. The system includes a solar cell converting solar energy into electric energy; a fuel cell provided in the aerial vehicle and converting fuel energy into electric energy by electrochemical reaction; a battery compensating for a lack of electric power supplied from the solar cell and the fuel cell to the aerial vehicle and storing surplus electric power; and an active power control device connecting with all the solar cell, the fuel cell and the battery and combining and distributing electric power generated in the solar cell, the fuel cell and the battery to loads. The system efficiently distributes the power from the respective power sources through the controllable output of the fuel cell in accordance with power required by the aerial vehicle and the solar cell's performance depending on weather.

Abstract: A resistive switching memory device using a brownmillerite-structured material, the resistive switching memory device comprises a first electrode comprising an oxide electrode; a resistive switching unit that is disposed on the first electrode and comprises a thin-film of a brownmillerite structured oxide; and a second electrode that is disposed on the resistive switching unit. Furthermore, the resistive switching unit has a structure in which an octahedron structure layer and a tetrahedron structure layer are sequentially stacked.

Abstract: As a component of an aerial vehicle, a power management system having an active power control device is provided. The system includes a solar cell converting solar energy into electric energy; a fuel cell provided in the aerial vehicle and converting fuel energy into electric energy by electrochemical reaction; a battery compensating for a lack of electric power supplied from the solar cell and the fuel cell to the aerial vehicle and storing surplus electric power; and an active power control device connecting with all the solar cell, the fuel cell and the battery and combining and distributing electric power generated in the solar cell, the fuel cell and the battery to loads. The system efficiently distributes the power from the respective power sources through the controllable output of the fuel cell in accordance with power required by the aerial vehicle and the solar cell's performance depending on weather.