Abstract: A light emission device including first and second substrates facing each other, electron emission elements on the first substrate, an anode electrode with a phosphor layer on the second substrate, and spacers between the first and second substrates. Each spacer includes a spacer body comprising a dielectric material, a first coating layer on a first region of the spacer body, the first region being adjacent to the first substrate, and a second coating layer on a second region of the spacer body, the second region being adjacent to the second substrate, wherein a maximum secondary electron emission coefficient of the first coating layer under an operation voltage condition applied to the first region is about 0.8 to about 1 and a maximum secondary electron emission coefficient of the second coating layer under an operation voltage condition applied to the first and second regions is about 3 to about 16.

Abstract: A 1,2,4-triazole derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided.

Abstract: Disclosed is a multiple unit type sustained release oral formulation comprising sustained release pellets formed from granules containing an active ingredient and a water-insoluble polymer, the granules being coated with a sustained release base material; and rapid release granules containing the active ingredient, and a method for preparing the same.

Abstract: An apparatus and a method for selecting one of a plurality of relay modes in a wireless communication system are provided. The method includes checking a channel state between a Mobile Station (MS) and each of at least one Relay Station (RS), selecting the relay mode for supporting a relay service using the determined channel state between the MA and each of the at least one RS, and providing the relay service to the MS using the selected relay mode. Thus, system throughput and outage performance can be enhanced by using the appropriate relay mode based on the MS distribution or the channel condition.

Abstract: An electron emission device, a method of manufacturing the electron emission device, and an electron emission display having the electron emission device are provided. The electron emission device includes: a first substrate; at least one sub-electrode in the first substrate; at least one cathode electrode, the at least one cathode electrode being on the first substrate and substantially covering the sub-electrode; at least one electron emission region on the cathode electrode; a first insulation layer, the first insulation layer being on the first substrate, substantially covering the cathode electrode and having at least one opening corresponding to the electron emission region; and at least one gate electrode, the at least one gate electrode being on the first insulation layer and having at least one opening corresponding to the electron emission region.

Abstract: A light emission device and a display device using the light emission device as light source are provided. The light emission device includes a vacuum vessel including a first substrate, a second substrate and a sealing member disposed between the first and second substrates; an electron emission unit on a side of the first substrate facing the second substrate; a light emission unit, including an anode electrode and a phosphor layer, on a side of the second substrate facing the first substrate and spaced apart from the sealing member; and a first resistive layer for absorbing an arc current, wherein the first resistive layer is on the side of the second substrate at an inside region of the vacuum vessel, the inside region being defined by the sealing member.

Abstract: An electron emission device includes: a substrate; first and second electrodes insulated from each other and arranged on the substrate and having predetermined shapes; an electron emission region arranged on the substrate; and a first passivation layer entirely covering at least one of the first and second electrodes and exposing at least a portion of the electron emission region. An electron emission display includes: first and second substrates opposed to each other; first and second electrodes insulated from each other and arranged transversely to each other on the first substrate and having predetermined shapes; an electron emission region arranged on the substrate; a first passivation layer entirely covering at least one of the first and second electrodes and exposing at least a portion of the electron emission region; and an image display substrate having an anode electrode and a fluorescent layer arranged on the second substrate.

Abstract: A method of manufacturing the electron emission device is provided. A cathode electrode is formed on a substrate. A first insulation layer of a transparent conductive material is formed on an entire surface of the substrate while covering the cathode electrode. A gate electrode of a transparent conductive material is formed on the first insulation layer in a direction crossing the cathode electrode. A photoresist mask layer is formed on the entire surface of the substrate. An opening corresponding to the opening of the cathode electrode is formed on the photoresist mask layer by emitting ultraviolet light to a rear surface of the substrate and developing the photoresist mask layer. An exposed portion of the gate electrode by the opening of the photoresist mask layer and a portion of the first insulation layer are etched. An electron emission region is formed in the opening of the cathode electrode.

Abstract: An electron emission display includes first and second substrates facing each other, electron emission regions to emit electrons and formed on the first substrate, and driving electrodes formed on the first substrate to use in the control of the emission of electrons from the electron emission regions. Phosphor layers are formed on a surface of the second substrate. An anode electrode is placed on a surface of the phosphor layers. Spacers are mounted between the first and the second substrates. Antistatic electrodes are placed over the first substrate such that the antistatic electrodes are insulated from the driving electrodes, and electrically connected to the spacers.

Abstract: An electron emission device includes a substrate, cathode electrodes formed on the substrate, electron emission regions electrically coupled to the cathode electrodes, an insulation layer formed on the substrate while covering the cathode electrodes, and gate electrodes formed on the insulation layer and crossing the cathode electrodes. One or more gate holes are formed at each of crossing regions of the gate electrodes and the cathode electrodes through the insulation layer and the gate electrodes. At least one of the cathode electrodes includes at least two openings divided by a bridge. The at least two openings divided by the bridge are formed on each exposed region of the cathode electrodes through the gate holes. A corresponding one of the electron emission regions contacts the bridge and extends toward the walls of at least one of the openings but is spaced away from the cathode electrodes.

Abstract: The present invention relates to a method for manufacturing a nano-structured metal oxide electrode, and in particular, to a method for manufacturing a metal oxide electrode having a few tens or hundreds of nanometers in diameter that is well adapted to an electrode of a supercapacitor using an alumina or polymer membrane having nano-sized pores as a template.

Abstract: An apparatus and method are provided for manufacturing an electrode of hydrous ruthenium oxide thin film, consisting of an injector for spraying a precursor solution, a substrate for depositing the precursor solution, a base for supporting the substrate and a halogen lamp for heating the substrate, a DC power supply connected to the injector and base, a space adjuster for adjusting the spraying space between the injector and the base, and temperature controller for controlling the temperature of the base. Because of the strong electric field, the sprayed ruthenium precursor solution atomizes the nano-sized very fine particles. Therefore, the atomized particles are deposited on the substrate to form a very fine porous thin film under the influence of electrically charged molecular actions without the influence of gravitation force. The ruthenium oxide electrode formed the fine porous thin film has excellent property of super capacitor, composite electrode of ruthenium oxide and activated carbon.

Abstract: An electron emission device includes: a substrate; first and second electrodes insulated from each other and having a predetermined shape on the substrate, at least one of the first and second electrodes being formed with a fine mesh pattern; and an electron emission region formed on the substrate and connected to one of the first and second electrodes. Furthermore, an electron emission display includes: first and second substrate arranged opposite to each other; first and second electrodes insulated from each other and having a predetermined shape on the first substrate, at least one of the first and second electrodes being formed with a fine mesh pattern; an electron emission region formed on the first substrate and connected to one of the first and second electrodes; and an image displaying portion including an anode electrode and a fluorescent layer arranged on the second substrate.

Abstract: The present invention relates to an isothiazole derivative of the following formula 1 or nontoxic salt thereof: wherein, R1 is hydrogen, alkoxy group or halogen group; R2 is methyl or amino group. According to the present invention, isothiazole derivative or nontoxic salt thereof having antipyretic, analgesic and antiphlogistic activity and an improved side effect; process for the preparation thereof; and pharmaceutical composition including the same can be provided.

Abstract: An electron emission device includes: a substrate; first and second electrodes insulated from each other and arranged on the substrate, the first and second electrodes having predetermined shapes; an electron emission region arranged on the substrate; and a first passivation layer covering at least one of the first and second electrodes and exposing at least a portion of the electron emission region. An electron emission display includes: a first substrate and a second substrate opposed to each other; first and second electrodes insulated from each other and arranged transversely to each other on the first substrate, the first and second electrodes having predetermined shapes; an electron emission region arranged on the substrate; a first passivation layer covering at least one of the first and second electrodes and exposing at least a portion of the electron emission region; and an image substrate having an anode electrode and a fluorescent layer formed on the second substrate.

Abstract: A method and apparatus allowing a mobile robot to return to a designated location the method including: calculating a first direction angle of the mobile robot at a second location arrived at after the mobile robot travels a predetermined distance from the first location; determining whether the mobile robot approaches or moves away from the designated location, at a third location arrived at after the mobile robot rotates by the first direction angle and then travels a predetermined distance; and if the result of the determination indicates that the mobile robot approaches the docking station, controlling the mobile robot to travel according to the first direction angle, and if the result indicates the mobile robot moves away from the docking station, calculating a second direction angle of the mobile robot at the third location, and controlling the mobile robot to travel according to the second direction angle.

Abstract: A method and apparatus generating and tracing a cleaning trajectory of a home cleaning robot the method including: controlling the home cleaning robot to straightly travel as much as a set distance from the docking station and then rotationally travel, maintaining the set distance from the docking station, until the home cleaning robot reaches one of two walls; controlling the home cleaning robot to travel as much as the set distance along the wall if the home cleaning robot reaches the wall and resume rotational-traveling around the docking station, maintaining a distance between the docking station and the home cleaning robot increased by the set distance until it reaches one of the two walls; and repeatedly controlling the home cleaning robot to travel as much as the set distance along the wall if the home cleaning robot reaches the wall and resume rotational-traveling around the docking station, maintaining a distance between the docking station and the home cleaning robot increased by the set distance un

Abstract: An apparatus and a method are provided for manufacturing an electrode of hydrous ruthenium oxide thin film. The apparatus comprises an injector for introducing a precursor solution and spraying the precursor solution; a substrate having the precursor solution sprayed thereon; a substrate-supporting base for supporting the substrate and including a halogen lamp therein for heating the substrate; a direct current power supply connected to the substrate-supporting base and the injector; a distance adjuster for adjusting the distance between the substrate-supporting base and the injector; and a temperature controller for controlling the substrate-supporting base. Under a strong electric field, the ruthenium precursor solution is sprayed, to yield a porous thin film electrode having very fine particles.