Abstract: A red phosphor for a plasma display panel (PDP) including (Y,Gd)Al3(BO3)4:Eu3+, a paste composition including the same and a plasma display panel including a phosphor layer made out of the red phosphor. The red phosphor for a plasma display panel can have reduced decay time by using (Y,Gd)Al3(BO3)4:Eu3+ alone or as a main constituent in a combination with (Y,Gd)BO3:Eu3+. In addition, in a plasma display panel (PDP) including a phosphor layer made out of the red phosphor, by reducing the decay time of the PDP, coloring properties thereof can be improved and luminance saturation thereof at a high gradation degree occurring when Y(V,P)O4:Eu3+ is used to improve color coordinates can be prevented.

Abstract: A silicate-based blue phosphor coated with (or containing) metal oxide, a phosphor paste composition including the silicate-based blue phosphor coated with metal oxide, and a flat display device including a phosphor layer including the silicate-based blue phosphor coated with metal oxide are disclosed. In one embodiment, the silicate-based blue phosphor coated with metal oxide has a positive (+) surface charge and provides excellent discharge properties without a deterioration of brightness.

Abstract: The present invention relates to a search engine that provides information on a predetermined website on the Internet.

Abstract: The present invention relates to a phosphor composite including a first phosphor layer emitting visible light and a second phosphor layer attached to the top surface of the first phosphor layer to form an outer layer emitting long wavelength UV light from about 200 nm to about 400 nm. The phosphor composite of the present invention may be used in a display device employing a phosphor layer for forming images.

Abstract: New green phosphor materials for use with plasma display devices are disclosed. The green phosphor materials incorporates metals substituting zinc silicate oxide as a host material and a doping element selected from the group consisting of Ca, Mg, Sr, Ba, and combinations thereof. The doping element is doped in an amount of 0.1 to 10 mol %.

Abstract: A motor for a washing machine includes a stator core having one or more bolt thru holes. A stator assembly having the stator core is directly coupled to a bearing housing using the bolt thru holes.

Abstract: A rotor of a motor includes a cylindrical magnet having at least one first coupling portion at an inner circumferential surface of the cylindrical magnet; and a rotor core coupled with the cylindrical magnet, the rotor core having at least one second coupling portion at an outer circumferential surface of the rotor core, the at least one second coupling portion being engaged with the corresponding at least one first coupling portion.

Abstract: The invention relates to a reverse rotation preventing structure of a centrifugal compressor. The reverse rotation preventing structure of the centrifugal compressor comprises: a discharge pipeline of the centrifugal compressor; a suction pipeline of the centrifugal compressor; a bypass pipeline for connecting the discharge pipeline and the suction pipeline, wherein a predetermined valve is formed thereon; a control means for controlling an operation of the centrifugal compressor; and a detecting means for generating a predetermined signal to the control means if the operation of the centrifugal compressor is suddenly stopped, thereby opening the bypass pipeline.

Abstract: Provided is a method for fabricating an organic semiconductor transistor having an organic polymeric gate insulating layer. The method includes forming an organic gate insulating layer on a substrate by a vapor deposition method using organic monomer sources, and causing a polymerization reaction to occur in the organic gate insulating layer to complete an organic polymeric gate insulating layer. Since the vapor deposition method, which is a low-temperature dry-type technique, is employed, the organic polymeric gate insulating layer can be uniformly formed on a large-area substrate by a simplified in-situ process.

Abstract: Provided is a method for fabricating an organic semiconductor transistor having an organic polymeric gate insulating layer. The method includes forming an organic gate insulating layer on a substrate by a vapor deposition method using organic monomer sources, and causing a polymerization reaction to occur in the organic gate insulating layer to complete an organic polymeric gate insulating layer. Since the vapor deposition method, which is a low-temperature dry-type technique, is employed, the organic polymeric gate insulating layer can be uniformly formed on a large-area substrate by a simplified in-situ process.

Abstract: Disclosed is a rotor of a BLDC motor including a frame rotatably disposed on an inner circumference of a stator, rotor teeth connected to the outer circumference of the frame in the radial direction at regular intervals, and magnets fixed between the rotor teeth, and arranged in the radial direction so that the facing sides can have the same polarity. The rotor of the BLDC motor improves a torque of the motor by minimizing flux leakage of the magnets.

Abstract: Provided is a method for fabricating an organic semiconductor transistor having an organic polymeric gate insulating layer. The method includes forming an organic gate insulating layer on a substrate by a vapor deposition method using organic monomer sources, and causing a polymerization reaction to occur in the organic gate insulating layer to complete an organic polymeric gate insulating layer. Since the vapor deposition method, which is a low-temperature dry-type technique, is employed, the organic polymeric gate insulating layer can be uniformly formed on a large-area substrate by a simplified in-situ process.

Abstract: Disclosed are a rotor of a line start permanent magnet motor and a manufacturing method thereof. The rotor comprises: a core provided with an axial hole for inserting an shaft and a plurality of penetrated magnet coupling holes formed at a periphery of the axial hole; permanent magnets respectively coupled to the magnet coupling holes of the core; a third end ring provided with magnet paths for respectively passing the permanent magnets and coupled to one side surface of the core; a fourth end ring having the same appearance as the third end ring and coupled to another side surface of the core to be connected with the third end ring; a magnet supporting plate positioned between one side surface of the core and the fourth end ring for preventing the permanent magnets from being separated; and a fixing member inserted into the magnet paths of the third end ring for preventing the permanent magnets from being separated.

Abstract: Disclosed is a method for manufacturing a stator of a brushless direct current electric motor which can cut down the unit cost of production and improve the B-H property and the core loss property, by forming a band-shaped back yoke by using a silicon steel plate sheet, helically stacking the back yoke, and inserting poles formed by a magnetic iron powder into the inner circumferential surface of the back yoke, and a stator of a brushless direct current electric motor manufactured by the method.

Abstract: Disclosed are a rotor of a line start permanent magnet motor and a manufacturing method thereof. The rotor comprises: a core provided with an axial hole for inserting an shaft and a plurality of penetrated magnet coupling holes formed at a periphery of the axial hole; permanent magnets respectively coupled to the magnet coupling holes of the core; a third end ring provided with magnet paths for respectively passing the permanent magnets and coupled to one side surface of the core; a fourth end ring having the same appearance as the third end ring and coupled to another side surface of the core to be connected with the third end ring; a magnet supporting plate positioned between one side surface of the core and the fourth end ring for preventing the permanent magnets from being separated; and a fixing member inserted into the magnet paths of the third end ring for preventing the permanent magnets from being separated.

Abstract: Provided is a method for fabricating an organic semiconductor transistor having an organic polymeric gate insulating layer. The method includes forming an organic gate insulating layer on a substrate by a vapor deposition method using organic monomer sources, and causing a polymerization reaction to occur in the organic gate insulating layer to complete an organic polymeric gate insulating layer. Since the vapor deposition method, which is a low-temperature dry-type technique, is employed, the organic polymeric gate insulating layer can be uniformly formed on a large-area substrate by a simplified in-situ process.

Abstract: The present invention relates to red color emitting compounds for an organic electroluminescent device (OELD), particularly to red color emitting compounds represented by the following formula (1) having high luminescence efficiency and enhanced thermal-stability:

Abstract: A system for providing character-based information for a moving object include a GPS receiver receiving position information of the moving object, a character radio pager for receiving control information and character information, a living information database for storing the character-based information received from the character radio pager, a moving picture database for storing the control signals and operator information, a position information database for storing the position information from the movement of the moving object and providing announcement for the present moving position of the moving object, a CPU for extracting useful information from the GPS receiver and the character radio pager or extracting an announcement stored in the position information database under the control of a scheduler, a sound card and a video card for outputting the information of the database, and an advertisement control server for transmitting control signals to the character radio pager.

Abstract: A system for cooling a turbo compressor includes two compressing parts on opposite ends of a rotational shaft driven by a motor. Fluid from a fluid chamber within the casing of the device is supplied to a bearing chamber when the temperature of the bearing chamber increases. A supply passage is formed in a first support where the radial bearing for supporting a load in the axial direction is formed. The open-and-shut valve supplies fluid when the temperature of the bearing chamber increases.

Abstract: A turbo compressor is provided which includes a motor having a stator with a rotor which rotates in the inside of the stator. A rotation shaft is press-fitted into the rotor and is integrally rotated with the rotor. A bearing is provided for supporting the rotation shaft of the motor. At least one impeller is attached to the rotation shaft of the motor and rotated therewith. A foil bearing including a plurality of foils is provided. First ends of the foils are respectively fitted into a multitude of engaging grooves defined on a circumferential inner surface of the stator, and second ends of the foils make contact with a circumferential outer surface of the rotor.