Abstract: Provided is a dielectric layer that has a rock salt structure in a room temperature stable phase. The dielectric layer is made of a compound having a chemical formula of BexM1-xO, where M includes one of alkaline earth metals and x has a value greater than 0 and less than 0.5.

Abstract: Disclosed is a resistor thin film for micro-bolometer for growth of a vanadium dioxide (VO2) thin film in monoclinic VO2 crystal phase by deposition of VO2 on oxide with perovskite structure and a method for fabricating the same, and the resistor thin film for micro-bolometer according to the present disclosure includes a silicon substrate, an oxide thin film with perovskite structure formed on the silicon substrate, and a VO2 thin film in monoclinic crystal phase formed on the oxide thin film with perovskite structure.

Abstract: Disclosed is a resistor thin film for micro-bolometer for growth of a vanadium dioxide (VO2) thin film in tetragonal VO2 crystal phase by deposition of VO2 on oxide with perovskite structure and a method for fabricating the same, and the resistor thin film for micro-bolometer according to the present disclosure includes a silicon substrate, an oxide thin film with perovskite structure formed on the silicon substrate, and a VO2 thin film in tetragonal crystal phase formed on the oxide thin film with perovskite structure.

Abstract: A thermoelectric composite material includes MXene inserted at a boundary of a crystal grain consisting of a thermoelectric material. Accordingly, the thermoelectric composite material may have a reduced thermal conductivity and an increased electrical conductivity. Furthermore, a mechanical property of the thermoelectric composite material may be improved. Thus, the thermoelectric composite material may improve a thermoelectric ability of a thermoelectric module.

Abstract: Disclosed is a curved piezoelectric device maximizing an electrical potential of the piezoelectric material corresponding to an external mechanical stress.

Abstract: Disclosed herein is a smart wearable lens mounted with an all-solid-state thin film secondary battery including a flexible substrate, a cathode current collector, a cathode, a solid electrolyte, an anode, and an anode current collector. The smart wearable lens mounted with the all-solid-state thin film secondary battery may be stably and continuously supplied with power and has a low self-discharge rate. In addition, the smart wearable lens may minimize aversion when humans are wearing the smart wearable lens and be suitably used for a curved lens, especially a micro-lens such as a contact lens.

Abstract: The present disclosure relates to a paste for ohmic contact to p-type semiconductor, including a metal oxide and a binder, wherein the metal oxide is a rhenium oxide or a molybdenum oxide.

Abstract: Disclosed is a resistor thin film for micro-bolometer for growth of a vanadium dioxide (VO2) thin film in tetragonal VO2 crystal phase by deposition of VO2 on oxide with perovskite structure and a method for fabricating the same, and the resistor thin film for micro-bolometer according to the present disclosure includes a silicon substrate, an oxide thin film with perovskite structure formed on the silicon substrate, and a VO2 thin film in tetragonal crystal phase formed on the oxide thin film with perovskite structure.

Abstract: A capacitor for a semiconductor memory element includes a lower electrode, a dielectric layer disposed on the lower electrode and including titanium oxide, and an upper electrode disposed on the dielectric layer. The lower electrode includes a first metal and a second metal, the first metal including at least one selected from the group consisting of platinum (Pt), osmium (Os), rhodium (Rh) and palladium (Pd), the second metal including at least one selected from the group consisting of ruthenium (Ru) and iridium (Ir).

Abstract: A capacitor for a semiconductor memory element includes a lower electrode, a dielectric layer disposed on the lower electrode and including titanium oxide, and an upper electrode disposed on the dielectric layer. The lower electrode includes a first metal and a second metal, the first metal including at least one selected from the group consisting of platinum (Pt), osmium (Os), rhodium (Rh) and palladium (Pd), the second metal including at least one selected from the group consisting of ruthenium (Ru) and iridium (Jr).

Abstract: A method for manufacturing a thermoelectric material is provided. According to the method, a first shaped body is formed from a thermoelectric powder, of which a crystal has a layer structure. An extruded body is formed by extruding the first shaped body. A plurality of cut-off pieces are formed by cutting the extruded body along a cross-section perpendicular to an extrusion direction. A second shaped body is formed by stacking and pressing the cut-off pieces along a direction perpendicular to the extrusion direction.

Abstract: A waterproof structure for a portable terminal including a flexible printed circuit (FPC) extending outside of a first housing of a pair of housings from inside the first housing and arranged inside of a second housing of the pair of housings. A wiring hole is formed in each housing to provide a path allowing passage of the FPC therethrough. A waterproof member provided in the wiring hole substantially contacts at least inner walls of the housings and an outer circumferential surface of the FPC to prevent movement of the FPC. An outer circumferential surface of the waterproof member substantially contacts a circumference of an inlet of the wiring hole or an inner wall of the wiring hole. The waterproof member is provided between the housing of the portable terminal and the FPC improving a waterproof function and preventing moisture or water from being introduced into the housing of the terminal.

Abstract: Disclosed is a curved piezoelectric device maximizing an electrical potential of the piezoelectric material corresponding to an external mechanical stress.

Abstract: A method of fabricating a cathode for a thin film battery includes depositing a cathode active material on a substrate, and crystallizing the cathode active material by irradiating laser onto the cathode active material. The cathode active material may be deposited on the substrate at normal temperature, and a light and easily processable polymer substrate may be used by crystallizing the cathode active material at low temperature using laser. A thin film battery including the cathode fabricated by the above method has excellent charging/discharging characteristics such as high discharge capacity.

Abstract: A portable terminal including a body, a front deco positioned along a periphery of the body, a main battery cover positioned on a rear surface of the body to cover a battery, and a waterproofing cover interchangeable with the front deco and the main battery cover so that when substituted for the main battery cover and front deco all water intrusion paths on the portable terminal are sealed.

Abstract: A display device for an electronic appliance includes: a touch screen panel; an LCD panel; and an intermediate member provided between the touch screen panel and the LCD panel. The intermediate member has an air passage for allowing air to flow into and out of an interior space defined by the intermediate member between the touch screen panel and the LCD panel. The air passage has a plurality of paths oriented in different directions.

Abstract: Provided are a method of manufacturing a flexible piezoelectric energy harvesting device using a piezoelectric composite, and a flexible piezoelectric energy harvesting device manufactured by the same. The method of manufacturing the flexible piezoelectric energy harvesting device includes: forming a first electrode layer on a first flexible substrate; spin-coating a piezoelectric composite layer on the first electrode layer, wherein the piezoelectric composite layer is produced by mixing piezoelectric powder with polymer; performing heat treatment on the piezoelectric composite layer to harden the piezoelectric composite layer; and bonding a second flexible substrate with a second electrode layer on the hardened piezoelectric composite layer. Therefore, it is possible to simplify a manufacturing process and manufacture a high-performance flexible piezoelectric energy harvesting device having various sizes and patterns.

Abstract: Provided is an oxide electronic device, including: an oxide substrate; an oxide thin film layer formed on the oxide substrate and containing an oxide that is heterogeneous with respect to the oxide substrate; and a ferroelectric layer formed on the oxide thin film layer and controlling electric conductivity of two-dimensional electron gas (2DEG) generated at an interface between the oxide substrate and the oxide thin film layer. Provided also is a method for manufacturing an oxide electronic device, including: depositing, on an oxide substrate, an oxide that is heterogeneous with respect to the oxide substrate to form an oxide thin film layer; and forming a ferroelectric layer on the oxide thin film layer, wherein the ferroelectric layer controls electric conductivity of 2DEG generated at an interface between the oxide substrate and the oxide thin film layer.

Abstract: Provided is a method of fabricating an oxide thin film device using laser lift-off and an oxide thin film device fabricated by the same. The method includes: forming an oxide thin film on a growth substrate; bonding a temporary substrate on the oxide thin film; irradiating laser onto the growth substrate to separate the oxide thin film on which the temporary substrate has been bonded from the growth substrate; bonding a device substrate on the oxide thin film on which the temporary substrate has been bonded; and forming an upper electrode film on the oxide thin film. Therefore, it is possible to overcome problems caused by a defective layer by transferring an oxide thin film transferred on a polymer-based temporary substrate onto a device substrate, without using an interface on which a defective layer formed due to oxygen diffusion upon laser lift-off is formed.

Abstract: A waterproof structure for a portable terminal including a flexible printed circuit (FPC) extending outside of a first housing of a pair of housings from inside the first housing and arranged inside of a second housing of the pair of housings. A wiring hole is formed in each housing to provide a path allowing passage of the FPC therethrough. A waterproof member provided in the wiring hole substantially contacts at least inner walls of the housings and an outer circumferential surface of the FPC to prevent movement of the FPC. An outer circumferential surface of the waterproof member substantially contacts a circumference of an inlet of the wiring hole or an inner wall of the wiring hole. The waterproof member is provided between the housing of the portable terminal and the FPC improving a waterproof function and preventing moisture or water from being introduced into the housing of the terminal.