Abstract: A plasma display device including a substrate, partitions on the upper surface of the substrate, and an address electrode parallel to the partitions on the substrate, located between the partitions for inducing an initial discharge, and divided into at least three sections lengthwise.

Abstract: A cathode-ray tube having a flat face including a panel having a flat screen surface and provided with a support portion at the inner surfaces of a skirt portion at the periphery thereof, a frame supported by the support portion of the panel, a flat tension mask fixed to the frame in a tensioned state, and a funnel joined to the panel for end thereof to support the frame.

Abstract: Disclosed is a low voltage blue emitting phosphor and a method for producing the same including the steps of: mixing ZnO, Ga2O3and a Na-based compound to obtain a mixture material; sintering the material at a temperature of 1100 to 1300° C.; milling the first sintered material; washing the milled material using hydrochloric acid; sintering the washed material at a temperature of 800 to 1100° C.; and classifing the material. The low voltage blue emitting phosphor produced as described above is a ZnO—Ga2O3matrix doped with Na, and has an x value of 0.18±0.05 and a y value of 0.17±0.05 in a CIE chromaticity diagram.

Abstract: A method for fabricating a thin film transistor includes the steps of forming an active layer on a substrate, forming a metal gate electrode on the active layer, depositing a silicon layer on the metal gate electrode and the active layer, causing the metal gate electrode to react with the silicon layer to form a silicide layer around the metal gate electrode, removing the silicon layer, heavily doping impurities in the active layer using the silicide layer as a mask to form a source/drain region, removing the silicide layer, and lightly doping impurities in the active layer using the metal gate electrode as a mask to form an offset region.

Abstract: A partition of a plasma display device is fabricated by forming a dielectric layer on the surface of a rear substrate having an address electrode; forming a conductive layer and a photoconductive layer in order on the surface of said dielectric layer; charging the surface of said photoconductive layer; exposing aid photoconductive layer covered with a mask of a predetermined pattern to ultraviolet rays so that an electrostatic latent image can be formed on said photoconductive layer; developing the electrostatic latent image by allowing said photoconductive layer, on which the electrostatic latent image is formed, to be in contact with a charged liquid toner layer so that liquid toner can stick to the electrostatic latent image; drying the toner stuck to the electrostatic latent image and absorbing the toner remaining an area other than the electrostatic latent image; repeating three times the steps from said step of charging the surface of said photoconductive layer through to said step of drying and absorbi

Abstract: Disclosed is carbonaceous material for a negative electrode of a lithium secondary battery and a lithium secondary battery made using the carbonaceous material. The carbonaceous material includes a silica film coated on a surface of carbon particles of the carbonaceous material, thereby minimizing both direct contact of the carbon particles with an organic electrolyte and cointercalation of the organic electrolyte and lithium ions within a structure of the carbon. The lithium secondary battery includes a negative electrode deposited with the carbonaceous material, a counterpart electrode made of lithium metal, electrolyte made of a propylene carbonate/ethylene carbonate solution containing 1 mol/l of LiPF8, and a polypropylene separator.

Abstract: Disclosed is active material for a positive electrode used in lithium secondary batteries of Formula 1 below and a method of manufacturing the active material. The active material includes large particles of 1 to 25 &mgr;m formed of a plurality of minute particles of 0.4 to 0.7 &mgr;m. The method includes the steps of adding a chelating agent to a mixture derived by dissolving lithium salt, nickel salt and cobalt salt in a solvent to a molar ratio of 0.95-1.06: 0.5-1:0-0.5; producing a gel by heating the mixture; for precursor by thermally decomposing the gel; and heat treating the precursor. LixNi1−yCoyO2  [Formula 1] where x is between 0.95 and 1.06, and y is between 0 and 0.5.

Abstract: A battery includes a can filled with an electrolyte and an electrode assembly. A cap assembly is close-tightly mounted on an upper end of the can with a gasket interposed between the cap assembly and the upper end. The cap assembly comprises a plate provided with a safety groove, a current control member disposed on the plate, a cap cover disposed on the current control member, and a circuit breaker disposed under the plate and supported by a support plate. As a feature of the present invention, the circumferential edge of at least one of the plate, the current control member, and the cap cover is bent around the support plate.

Abstract: A cathode ray tube includes a rectangular panel on which a phosphor screen is formed, a neck in which an electron gun assembly for emitting three electron beams is disposed, and a funnel formed contiguous to both the neck and the panel, and having a deflection yoke mounting portion on which a deflection yoke is mounted. The cross section of the deflection yoke mounting portion fulfills the following condition at the panel side end of the deflection yoke mounting portion. 1.0≦rh/rv≦1.3 where rh is a diameter of the funnel directed to a direction of a long axis of the panel, and rv is a diameter of the funnel directed to a direction of a short axis of the panel.

Abstract: A cap assembly for a secondary battery having a cap containing an electrolyte and an electrode assembly. The cap assembly is mounted on an upper end of the can with a gasket disposed between the cap assembly and the can. The cap assembly includes a cap cover, a current collector disposed under the cap cover, a cap plate disposed under the current collector, a circuit break disk welded on the cap plate, and an insulator disposed between the cap plate and the circuit break disk. The cap plate is provided with a safety groove and a indented projection outside the safety groove. The projection is tightly disposed between the gasket and the insulator so as to fixedly support the insulator.

Abstract: An apparatus for driving a plasma display panel in which front and rear substrates face and are spaced apart from each other, common electrode lines, scan electrode lines and address electrode lines are arranged between the front and rear substrates, the common electrode lines are arranged parallel to the scan electrode lines and the address electrode lines are arranged orthogonal to the scan electrode lines to define pixels at intersections thereof, the apparatus including a scan drive part having a memory in which scan data are stored in a predetermined scanning order, for applying a scan drive signal to the scan electrode lines in accordance with scan data corresponding to an input address, an address drive part for applying an address drive signal to the corresponding address electrode lines in accordance with an input display data signal, a common drive part for applying a common drive signal to the common electrode lines in accordance with an input common data signal, and a control part for processing e

Abstract: A field emission device includes a substrate, a first electrode formed on the substrate in a predetermined pattern, a dielectric layer formed on the substrate to embed the first electrode, a second electrode formed on the dielectric layer in a predetermined pattern, a floating electrode spaced apart a predetermined distance from the second electrode, on the dielectric layer, and a conductive particle layer formed between the second electrode and the floating electrode to electrically connect the second electrode and the floating electrode.

Abstract: A flexible LCD device includes first and second substrates spaced away from each other in a parallel relationship. An electrode, an insulating layer, and an orientation layer are deposited on each substrate in order. A liquid crystal layer is formed between the first and second substrates. At least one of the first and second substrates is made of at least a sheet of retardation film or at least a sheet of diffuser film.

Abstract: A low-voltage excited pink phosphor is provided. The pink phosphor includes a ZnS:Zn or ZnS:Ag phosphor and a (ZnnCd1−n)S:Ag,Cl phosphor (n=0.1 to 0.5) and has good color purity, high brightness and excellent color maintenance.

Abstract: A low-voltage excited white phosphor is provided. The white phosphor includes a ZnS:Zn phosphor and a (ZnnCd1−n)S:Ag,Cl phosphor (n=0.5 to 0.7), and has good color purity, high brightness and excellent color maintenance.

Abstract: A display system includes a cathode ray tube having a panel and a funnel which is coupled to the panel forming a seal and has an external graphite layer formed on the outer circumferential surface thereof; a case in which a space is formed to provide room for the cathode ray tube to be installed therein; and material for anion generation disposed at a predetermined position with respect to the cathode ray tube or the case. The anions generated from the material for anion generation is beneficial to a user of a display system. Also, a transferring portion is provided to control the transfer distance of anions to the user.

Abstract: A laser cathode ray tube (laser-CRT) is provided. The laser-CRT includes a connection ring connected to an end portion of a glass bulb where an electron gun is installed, a disk having a single-crystal for generating laser beams when electron beams emitted from the electron gun are input, a support ring connected to the disk and the connection ring, and a junction layer interposed between the support ring and the disk, having at least two metal thin films which have been pressurized and heated, to connect the support ring and the disk to each other.

Abstract: A cathode ray tube includes a rectangular panel on which a phosphor screen is formed, and a neck in which an electron gun assembly for emitting three electron beams is disposed. The cathode ray tube also has a funnel including a neck seal part at which the neck and the funnel are connected, a cone part formed contiguous to the neck seal part, and has a non-circular section having a maximum diameter along a direction other than a long axis and a short axis of the panel; and a body formed contiguous to the cone part and the panel. In the cathode ray tube, inflection points are formed between the cone part and the body, and the inflection point at a diagonal direction of the panel is formed nearer to the panel than the inflection points at the long axis and the short axis.

Abstract: A spring used in a CRT interconnects a stud pin embedded into a CRT panel and a mask frame mounting a shadow mask thereon so that the spring removably mounts the shadow mask within the CRT panel. In order to minimize or interrupt a vibration energy transmitted to the shadow mask, the spring is formed with a composite metal plate having a laminated structure of more than two materials capable of converting the vibration energy applied thereto into a thermal energy by an internal or interfacial friction. The composite metal plate is preferably composed of a first steel, a zinc alloy, and a second steel. A method of making the spring includes the steps of plating two or more metallic materials in sequence, rolling the plated metallic materials into an integrated composite metal plate, and forming the composite metal plate into a spring shape.

Abstract: A positive active material for rechargeable lithium batteries includes an active material component processed from a manganese-based compound. The transition metal compound is selected from LixMnO2, LixMnF2, LixMnS2, LixMnO2-zFz, LixMnO2-xSz, LixMn1-yMyO2, LixMn1-yMyF2, LixMn1-yMyS2, LixMn1-yMyO2-zFz, LixMn1-yMyO2-zSz, LixMn2O4, LixMn2F4, LixMn2S4, LixMn2O4-zFz, LixMn2O4-zSz, LixMn2-yMyO4, LixMn2-yMyF4, LixMn2-yMyS4, LixMn2-yMyO4-zFz, or LixMn2-yMyO4-zSz where O<x≦1.5, 0.05≦y≦0.3, y≦1.0 and M is selected from Al, Co, Cr, Mg, Fe, La, Sr or Ce. A vanadium pentoxide is coated on the active material component.