Abstract: A carbon nanotube emitter and its fabrication method, a Field Emission Device (FED) using the carbon nanotube emitter and its fabrication method include a carbon nanotube emitter having a plurality of first carbon nanotubes arranged on a substrate and in parallel with the substrate, and a plurality of the second carbon nanotubes arranged on a surface of the first carbon nanotubes.

Abstract: A nanowire composite and a method of preparing the nanowire composite comprise a template having a plurality of hollow channels, nanowires formed within the respective channels of the template, and a functional element formed by removing a portion of the template so that one or more of the nanowires formed within the portion of the template are exposed. Since the nanowire composite can be prepared in a simple manner at low costs and can be miniaturized, the nanowire composite finds application in resonators and a variety of sensors.

Abstract: An apparatus, method, and medium for generating electrical stimulation, including an electromyogram detector detecting an electromyographic signal of a body, a fatigue index calculator calculating a fatigue index indicating a degree of muscle fatigue by converting the electromyographic signal detected by the electromyogram detector during a predetermined time unit into a frequency-domain electromyographic signal, and an electrical stimulation signal generator adjusting an electrical stimulation signal according to the calculated fatigue index and generating the electrical stimulation signal.

Abstract: A solar cell integrated display device with a solar cell attached to one side of a display device and a method of fabricating the same. The solar cell integrated display device includes an emissive display device unit that includes a first transparent substrate, a first transparent electrode deposited on the transparent substrate, a second transparent electrode facing the first transparent electrode, and a light emitting layer between the first transparent electrode and the second transparent electrode and a polymer membrane coated on the second transparent electrode. The polymer membrane includes CNT, which allows for a smooth flow of electrons. A solar cell unit that supplies power to the display device unit is stacked on the polymer membrane.

Abstract: A novel field emission display (FED) and a novel method for making the same. The FED includes a substrate, a cathode electrode and a focus electrode formed on the same level with each other on the substrate, an insulation layer formed on the cathode electrode and the focus electrode such that the cathode electrode and the focus electrode are partially exposed through the insulation layer, a field emitter formed at the cathode electrode exposed by the insulation layer, and a gate electrode formed on the insulation layer. The field emitter being formed on the same layer and of the same material and at the same time as the cathode electrode.

Abstract: A Field Emission Display (FED) and a method of manufacturing the FED are provided. The FED includes a substrate; a plurality of under-gate electrodes formed parallel to one another on a top surface of a substrate; a plurality of cathode electrodes formed perpendicular to the under-gate electrodes on an upper portion of the under-gate electrode, each of cathode holes being formed in portions of the cathode electrodes that intersect with the under-gate electrodes; a plurality of emitters formed symmetrical with respect to centers of the cathode holes on the cathode electrodes; and a plurality of gate electrodes formed to be electrically connected to the under-gate electrodes in central portions of the cathode holes.

Abstract: A carbon nanotube emitter and its fabrication method, a Field Emission Device (FED) using the carbon nanotube emitter and its fabrication method include a carbon nanotube emitter having a plurality of first carbon nanotubes arranged on a substrate and in parallel with the substrate, and a plurality of the second carbon nanotubes arranged on a surface of the first carbon nanotubes.

Abstract: A Field Emission Display (FED) and a method of manufacturing the FED are provided. The FED includes a substrate; a plurality of under-gate electrodes formed parallel to one another on a top surface of a substrate; a plurality of cathode electrodes formed perpendicular to the under-gate electrodes on an upper portion of the under-gate electrode, each of cathode holes being formed in portions of the cathode electrodes that intersect with the under-gate electrodes; a plurality of emitters formed symmetrical with respect to centers of the cathode holes on the cathode electrodes; and a plurality of gate electrodes formed to be electrically connected to the under-gate electrodes in central portions of the cathode holes.

Abstract: Methods of growing carbon nanotubes and manufacturing a field emission device using the carbon nanotubes are provided. The method of growing carbon nanotubes includes the steps of preparing a substrate, forming a catalyst metal layer on the substrate to promote the growing of the carbon nanotubes, forming an amorphous carbon layer on the catalyst metal layer where the amorphous carbon layer partially covers the catalyst metal layer, and growing the carbon nanotubes from a surface of the catalyst metal layer. The carbon nanotubes are grown in a portion of the surface of the catalyst metal layer that is not covered by the amorphous carbon layer. In the method of growing carbon nanotubes, the carbon nanotubes are grow at a low temperature. A density of carbon nanotubes can be controlled to improve field emission characteristics of an emitter of a field emission device.

Abstract: Methods of growing carbon nanotubes and manufacturing a field emission device using the carbon nanotubes are provided. The method of growing carbon nanotubes includes the steps of preparing a substrate, forming a catalyst metal layer on the substrate to promote the growing of the carbon nanotubes, forming an amorphous carbon layer on the catalyst metal layer where the amorphous carbon layer partially covers the catalyst metal layer, and growing the carbon nanotubes from a surface of the catalyst metal layer. The carbon nanotubes are grown in a portion of the surface of the catalyst metal layer that is not covered by the amorphous carbon layer. In the method of growing carbon nanotubes, the carbon nanotubes are grow at a low temperature. A density of carbon nanotubes can be controlled to improve field emission characteristics of an emitter of a field emission device.

Abstract: A method and apparatus for monitoring a human activity pattern irrespective of the wearing position of the sensor unit by a user and a direction of the sensor unit are provided. The method for monitoring an inertia movement signal according to a movement of a user using a sensor unit attached to the user; detecting a direction of the sensor unit from the inertia movement signal; detecting a wearing location of the sensor unit by using acceleration and direction; determining the activity pattern of the user from inertia sensors; and delivering physical activity data corresponding to at least one caloric consumption, number of steps, and movement distance.

Abstract: In a method of achieving uniform lengths of Carbon NanoTubes (CNTs) and a method of manufacturing a Field Emission Device (FED) using such CNTs, an organic film is coated to cover CNTs formed on a predetermined material layer. The organic film is etched to a predetermined depth to remove projected portions of the CNTs. After that, the organic film is removed.

Abstract: In a method of achieving uniform lengths of Carbon NanoTubes (CNTs) and a method of manufacturing a Field Emission Device (FED) using such CNTs, an organic film is coated to cover CNTs formed on a predetermined material layer. The organic film is etched to a predetermined depth to remove projected portions of the CNTs. After that, the organic film is removed.

Abstract: Provided is an interlayer wiring structure of a semiconductor device using carbon nanotubes, and a method of manufacturing the interlayer wiring structure. The interlayer wiring structure is a carbon nanotube bundle that connects a first electrode to a second electrode. The carbon nanotube bundle includes a plurality of carbon nanotubes grown from a catalyst layer that is formed on a first electrode. The carbon nanotube bundle is made in a manner that a portion of the carbon nanotube bundle close to the second electrode has higher density of carbon nanotubes than another portion of the carbon nanotube bundle close to the first electrode. The carbon nanotube bundle is surrounded by an interlayer dielectric. In one embodiment of a method of manufacturing the carbon nanotube interlayer wire, liquid droplets are distributed between the carbon nanotubes to induce surface tension between the carbon nanotubes.

Abstract: A wireless communication method and an image device thereof are provided. The wireless communication method includes determining whether a second, already connected, wireless device exists, if a need to establish a connection to a first wireless device exists; requesting whether to release the wireless connection to the second device, if the second wireless device, which is already connected, exists; and maintaining or releasing the wireless connection to the second wireless device according to the requesting. The image device includes a communication module which is wirelessly connected with a first wireless device; and a controller which requests whether to release the connection to a second wireless device, if there is a need to establish a connection to the first wireless device and a second wireless device is already connected, and maintains or releases the wireless connection to the second wireless device according to the request.

Abstract: An electroluminescent device is provided. The device has a stacked structure in which an electric field enhancing layer is present between a dielectric layer, which contacts an inorganic light-emitting layer, and an electrode. In the device, electrons are additionally supplied by the electric field enhancing layer to increase electroluminescent efficiency, enabling the device to emit light having desired brightness, and lengthening the life span of the device.

Abstract: An electronic device having an electrode made of metal that reacts easily with carbon is provided. In the electronic device, the electrode on which carbon nanotubes are deposited by a chemical vapor deposition method using a reactant gas containing carbon and oxygen, is made of a metal generating less reaction enthalpy when reacting with carbon than when reacting with oxygen. Since the electrode is made of a metal which reacts with carbon faster than oxygen, a carbonized metal layer is formed on the electrode, thereby preventing the electrode from being oxidized. Accordingly, the carbon nanotubes can be easily deposited on the electrode.

Abstract: A field emission device and a field emission display (FED) using the same and a method of making the field emission device. The FED includes a glass substrate, a layer of a material formed on the glass substrate and having a concave portion, a cathode electrode formed on the material layer and also having a concave portion, electron emitters formed on the concave portion of the cathode electrode, a gate insulating layer formed on the cathode electrode and having a cavity communicating with the concave portion, and a gate electrode formed on the gate insulating layer and having a gate aperture aligned with the cavity.

Abstract: A black matrix for a color filter and its method of manufacture include: forming the black matrix in a predetermined shape on a substrate to define a plurality of pixel regions: forming a light shade layer on the substrate, the light shade layer being formed of an ink-philic black material; and s forming a Carbon NanoTube (CNT) layer on an upper surface of the light shade layer.

Abstract: A method of manufacturing field emission devices using a half tone photomask includes: sequentially forming lower electrodes, an insulation layer, an upper electrode material layer and a photoresist on a substrate; arranging a half tone photomask above the photoresist and exposing the photoresist to light and developing the photoresist, the photomask having a predetermined pattern including a first pattern shielding light and a second shape through which a portion of light is transmitted; forming a plurality of insulation layer holes exposing the lower electrodes in the insulation layer by etching the upper electrode material layer exposed by the developed photoresist and the insulation layer below the upper electrode material layer; etching the developed photoresist, the developed photoresist remaining only on a portion of the upper electrode material layer which is to form the upper electrodes; forming the upper electrodes by etching the upper electrode material layer through the etched photoresist; and rem