Abstract: Disclosed is an integral label-free biosensor capable of analyzing a biomolecule with high sensitivity by integrating a light source, a photodetector, an optical waveguide, and a microcantilever on a substrate, and a method of detecting a bio-antigen by using the same. The integral label-free biosensor according to the present invention may be manufactured with low cost, be easily integrated with a silicon electron device, and detect a biomolecule with high sensitivity by using a label-free method.

Abstract: A method for manufacturing a metal electrode includes forming a resist pattern of which upper portion has a wider width than a lower portion thereof, forming an insulating layer for molding on the resist pattern, removing the resist pattern, thereby forming a mold, and forming, in the mold, a metal electrode including an alloy of a first metal and a second metal.

Abstract: This invention relates to a radioisotope battery and a method of manufacturing the same, wherein manufacturing the radioisotope battery and shielding radiation emitted from the radioisotope Ni-63 from the outside are achieved simultaneously. This radioisotope battery includes a semiconductor layer, a seed layer formed on the semiconductor layer, a radioisotope layer formed on the seed layer, and a radiation shielding layer formed on the radioisotope layer and for shielding radiation of the radioisotope layer form the outside.

Abstract: Disclosed is an energy conversion apparatus. An energy conversion apparatus may comprise a control part controlling a length of a first time duration in which input current is inputted and accumulated, a length of a second time duration in which the accumulated current is provided to a load, and a length of a third time duration in which inverse current flows; and a DC-to-DC converter including an inductor, a output capacitor, and at least one switching element, wherein the input current is accumulated during the first time duration by switching the at least one switching element according to a control of the control part so as to perform input impedance matching, and the DC-to-DC convert provides a current corresponding to a difference between the accumulated current provided during the second time duration and the inverse current flowing from the output capacitor during the third time duration to the load.

Abstract: A photoelectric conversion device according to an exemplary embodiment includes a first substrate, a photoelectric conversion layer disposed above the first substrate, a second substrate which is different from the first substrate and disposed on the photoelectric conversion layer, and a nano pillar layer disposed above the second substrate in which the nano pillar layer includes a plurality of nano pillars which is spaced apart from each other, so as to easily absorb the light.

Abstract: A method and apparatus for proving sign information are disclosed. The sign information providing method includes: extracting a first sign from an input image, wherein the first sign is pre-defined; extracting a second sign representing information corresponding to the first sign around the location of the first sign, from the input image; and providing at least one piece of information of information about the first sign and information about the second sign in the form of voice. Accordingly, a user may correctly recognize information expressed by a sign.

Abstract: Disclosed is an integral label-free biosensor capable of analyzing a biomolecule with high sensitivity by integrating a light source, a photodetector, an optical waveguide, and a microcantilever on a substrate, and a method of detecting a bio-antigen by using the same. The integral label-free biosensor according to the present invention may be manufactured with low cost, be easily integrated with a silicon electron device, and detect a biomolecule with high sensitivity by using a label-free method.

Abstract: Disclosed are a cloud server for processing electroencephalography information, and an apparatus for processing electroencephalography information which measures, transmits, or processes electroencephalography information based on the cloud server. The cloud server includes: a communication unit communicatively connected with a wireless network to receive electroencephalography information of a user; and a electroencephalography information processing unit configured to analyze a mental state of the user from the received electroencephalography information, and provide a command or information corresponding to a result of the analysis as a processing result, in which the processing result is provided to the user or another user through the wireless network.

Abstract: A method for diagnosing Alzheimer's disease by detecting the presence of beta-amyloid in cells using a phototransistor device. Cells that potentially contain beta-amyloid are provided and labeled with a multi-protein that selectively binds to beta-amyloid if present and that includes streptavidin, biotin and polyethylene glycol connected in sequence with the streptavidin being bound to a magnetic bead and the polyethylene glycol being bound to the beta-amyloid, to provide labeled cells. A phototransistor device including a channel layer is provided and a difference in photocurrent determined corresponding to incident light measured before and after selectively fixing the labeled cells on a surface of the channel layer by applying an external magnetic field effective to attract the magnetic bead to the phototransistor device through a permanent magnet positioned below the channel.

Abstract: This invention relates to a radioisotope battery and a method of manufacturing the same, wherein manufacturing the radioisotope battery and shielding radiation emitted from the radioisotope Ni-63 from the outside are achieved simultaneously. This radioisotope battery includes a semiconductor layer, a seed layer formed on the semiconductor layer, a radioisotope layer formed on the seed layer, and a radiation shielding layer formed on the radioisotope layer and for shielding radiation of the radioisotope layer form the outside.

Abstract: An emotion signal detecting apparatus is provided, and the emotion signal detecting apparatus comprises a sensor unit configured to detect a biological signal, which occurs due to a change in an emotional state of a user, and an environmental signal; and a control unit configured to generate emotion information based on the biological signal and the environmental signal and to transmit the generated emotion information to an emotion signal detecting apparatus or emotion service providing apparatus of a different user.

Abstract: There are provided a wireless power transmission device using a frequency multiplier and a method thereof. The wireless power transmission device using the frequency multiplier includes a signal input unit configured to receive a first alternating current (AC) signal, a frequency multiplier configured to output a second AC signal having a higher frequency than the first AC signal using harmonic components of the first AC signal, and a power transmission unit configured to transmit power by receiving the second AC signal. Accordingly, a complex structure in which an AC signal is converted into a DC signal and the DC signal is converted into the AC signal again in order to generate the AC signal for the wireless power transmission can be simplified by the frequency multiplier. Moreover, it is possible to efficiently and wirelessly transmit low power required for ambient scattered sensor nodes.

Abstract: An apparatus for controlling emotion of a driver includes an emotion sensor unit configured to collect a biomedical signal from the driver, and generate biomedical information data based on the collected biomedical signal, a user memory unit configured to store driver information that includes biomedical signals for respective emotional states of the driver and a plurality of correspondence contents, and deliver the driver information and the correspondence content in response to a received request, and an emotion management unit configured to determine the emotional state of the driver from the driver information received from the user memory unit and the biomedical information data received from the emotion sensor unit, request a correspondence content corresponding to the determined emotional state of the driver from the user memory unit, and provide the driver with the content received from the user memory unit.

Abstract: A silicon nano-crystal biosensor includes a flexible substrate transformed depending on a shape of a body organ, a light emitting device disposed on the flexible substrate and emitting light, and a light detector opposite to the light emitting device on the flexible substrate. The light detector absorbs the emitted light. A length of the flexible substrate is substantially equal to or greater than a radius of curvature of the body organ.

Abstract: Disclosed is an energy conversion apparatus. An energy conversion apparatus may comprise a control part controlling a length of a first time duration in which input current is inputted and accumulated, a length of a second time duration in which the accumulated current is provided to a load, and a length of a third time duration in which inverse current flows; and a DC-to-DC converter including an inductor, a output capacitor, and at least one switching element, wherein the input current is accumulated during the first time duration by switching the at least one switching element according to a control of the control part so as to perform input impedance matching, and the DC-to-DC convert provides a current corresponding to a difference between the accumulated current provided during the second time duration and the inverse current flowing from the output capacitor during the third time duration to the load.

Abstract: A photoelectric conversion device according to an exemplary embodiment includes a first substrate, a photoelectric conversion layer disposed above the first substrate, a second substrate which is different from the first substrate and disposed on the photoelectric conversion layer, and a nano pillar layer disposed above the second substrate in which the nano pillar layer includes a plurality of nano pillars which is spaced apart from each other, so as to easily absorb the light.

Abstract: A method and apparatus for proving sign information are disclosed. The sign information providing method includes: extracting a first sign from an input image, wherein the first sign is pre-defined; extracting a second sign representing information corresponding to the first sign around the location of the first sign, from the input image; and providing at least one piece of information of information about the first sign and information about the second sign in the form of voice. Accordingly, a user may correctly recognize information expressed by a sign.

Abstract: Disclosed herein is a method of fabricating a CIS or CIGS thin film, comprising: forming, on a substrate, a seed particle layer comprising copper-indium-compound seed particles comprising copper (Cu); indium (In); and at least one selected from the group consisting of gallium (Ga), sulfur (S) and selenium (Se), applying, on the seed particle layer, a water-soluble precursor solution comprising: a water-soluble copper (Cu) precursor; a water-soluble indium (In) precursor; and at least one selected from the group consisting of a water-soluble gallium (Ga) precursor, a water-soluble sulfur (S) precursor and a water-soluble selenium (Se) precursor, and forming a thin film at high temperature.

Abstract: Disclosed herein are a wearable wireless power transmission apparatus and a wearable wireless power transmission using the same. The apparatus includes a wearable energy harvesting unit, a wearable battery unit, a wearable power charging unit, a wearable power transmission processing unit, and a fiber-type primary coil unit. The wearable energy harvesting unit generates power from at least one of light energy and kinetic energy, and is attachable to fabric. The wearable battery unit stores the power, and is attachable and detachable to and from the fabric. The wearable power charging unit rectifies the power, charges the wearable battery unit, and is attachable and detachable to and from the fabric. The wearable power transmission processing unit generates a transmission signal, and is attachable and detachable to and from the fabric. The fiber-type primary coil unit wirelessly transmits the transmission signal to the secondary coil unit of the power reception terminal.

Abstract: Disclosed is a method of manufacturing a thin-film light-absorbing layer using spraying, including mixing precursor solutions comprising CuCl2, InCl3 and SeC(NH2)2 under a nitrogen atmosphere at room temperature thus preparing a mixture solution; spraying the mixture solution on a substrate and drying it, thus forming a thin film; and selenizing the thin film under a selenium atmosphere. A method of manufacturing a thin-film solar cell is also provided, which includes forming a back contact layer on a glass substrate using sputtering; forming a light-absorbing layer on the back contact layer using spraying; forming a buffer layer on the light-absorbing layer using chemical vapor deposition; forming a window layer on the buffer layer using sputtering; and forming an upper electrode layer on the window layer.