Abstract: In a first embodiment a spark plug satisfying the relations: t?0.3 mm and St/Sw?7 in which t is the axial-direction shortest distance between a leading end surface 41a of a precious metal tip 41 and a joint portion 43, St is the surface area of the precious metal tip 41 and a joint portion 43 between the precious metal tip 41 and the ground electrode body 4a, and Sw is the area of the joint portion 43 between the ground electrode body 4a and the precious metal tip 41. In a second embodiment, the spark plug satisfies the relations t?0.3 mm and La>Lb; and in a third embodiment the spark plug satisfies the relations t>T and La>Lb, where T, La and Lb are as defined in the specification. The relation t?0.3 mm is specific to the first and second embodiments, and the relation St/Sw?7 is specific to the first embodiment only.

Abstract: A cathode ray tube comprises a panel having a fluorescent screen on an inner surface; a funnel connected to the panel, an electron gun housed in the funnel; emitting electron beams; and a shadow mask for selecting colors of the electron beams emitted from the electron gun, wherein the deflection yoke comprises a deflection coil for deflecting the electron beams in horizontal and vertical directions, a holder for insulating the deflection coil, and a ferrite core for reducing a magnetic field generated by the deflection coil, and an opening is formed on a flange portion of an opening section on a screen side of the deflection coil.

Abstract: An organic light-emitting display having an anti-reflective and inert cathode is provided. The cathode is made of a diamond-like carbon material to reduce ambient light reflection and increase contrast. The diamond-like carbon material is an opaque and inert material, so the cathode is anti-reflective and inert.

Abstract: Method of curing polymeric compositions using light from an electroluminescent light source. An electroluminescent wire light can be embedded into a curable polymer or adhesive composition and used for curing in circumstances in which UV or visible light from conventional lamps cannot reach the polymer or adhesive to be cured. It may also be used to cure polymer or adhesive coatings of unusual or irregular shapes. An electroluminescent wire light can be embedded in a curable adhesive or polymer compound around an irregular shape of boat hull components, and the emitted light used to cure the adhesive or polymer compound to bond the boat hull components.

Abstract: An organic light-emitting display is provided. The organic light-emitting display has a power line divided into multiple sets with a voltage terminal attached to the center of each power line set. Furthermore, all the voltage terminals are coupled to a power supply through a low resistance conductive material medium. With this setup, brightness imbalance between neighboring pixels is minimized.

Abstract: A triode structure of a field emission display and fabrication method thereof. A plurality of cathode layers arranged in a matrix is formed overlying a dielectric layer. A plurality of emitting layers arranged in a matrix is formed overlying the cathode layers, respectively. A plurality of lengthwise-extending gate lines is formed on the dielectric layer, in which each of the gate layers is disposed between two adjacent columns of the cathode layers.

Abstract: A triode structure of a field emission display and fabrication method thereof. A plurality of cathode layers arranged in a matrix is formed overlying a dielectric layer. A plurality of emitting layers arranged in a matrix is formed overlying the cathode layers, respectively. A plurality of lengthwise-extending gate lines is formed on the dielectric layer, in which each of the gate layers is disposed between two adjacent columns of the cathode layers.

Abstract: A method forming a flexible EL device comprising the steps of: 1) forming the non-adhesive shield polymer layer (2) on the plastic film layer (1); 2) forming a back conductive electrode layer (3) on the non-adhesive shield polymer layer (2); 3) forming dielectric layer (4) comprising a mixture of high-dielectric constant powder and binder on the back conductive electrode layer (3); 4) forming first field polymer layer (5) on the dielectric layer (4). 5) forming a phosphor layer (6) comprising encapsulated phosphor and binder on the first field polymer (5); 6) forming second field polymer (7) on the phosphor layer (6). 7) forming the transparent electrode layer (8) by using conductive polymer comprising transparent conductive materials on the second field polymer layer (7); 8) forming a polymer protection layer (9) on the transparent electrode layer (8); and 9) then separating the EL cell (2–9 layers) from plastic film.

Abstract: Disclosed is a flat fluorescent lamp, including a back substrate, a front substrate made of a transparent material and mounted on the back substrate through a sealing member disposed therebetween, a plurality of partitions disposed between the back and front substrates to define a discharge channel therebetween, a fluorescent material layer coated along a surface of the discharge channel defined by the partitions, a plurality of electrodes disposed to both the back substrate and the front substrate to cause a dielectric barrier discharge, and a reflective layer to cover the entire back substrate and upper portions of the electrodes disposed to the back substrate.

Abstract: The present invention provides a joined body having a first member 7, a second member 4 and a joining material 14 interposed between the first and second members. The joining material has a porous bone structure 15 with open pores and made of a sintered product of metal powder and impregnated phase 10 impregnated into the open pores. The impregnated phase 10 includes an oxynitride glass. The joined body has improved resistance against fatigue and fracture, even when the body is subjected to thermal cycles between high and room temperatures and held at a high temperature over a long period of time.

Abstract: A plasma display panel is disclosed which increases an aperture rate, facilitate alignment, makes a cell to be shown uniformly, minimizes an increase in capacitance and a reduction of a cell size, and shares a metal bus electrode. The plasma display panel includes: a plurality of discharge cells and a metal bus electrode formed at an upper portion of a barrier rib formed to divide the plurality of discharge cells.

Abstract: A mega-boule is used in fabricating microchannel plates (MCPs). The mega-boule has a cross-sectional surface including an island section, an inner perimeter section and an outer perimeter section, each section occupying a distinct portion of the cross-sectional surface. The island section is formed of a first plurality of optical fibers, transversely oriented to the cross-sectional surface, each optical fiber including a cladding formed of non-etchable material and a core formed of etchable material. The inner perimeter section is formed of non-etchable material and is disposed to surround the island section. The outer perimeter section is formed of a second plurality of optical fibers, transversely oriented to the cross-sectional surface, each optical fiber including a cladding formed of non-etchable material and a core formed of etchable material, and the outer perimeter section is disposed to surround the island section and the inner perimeter section.

Abstract: A self-light-emitting type organic electroluminescence device which makes it possible to restrain to the utmost the absorption of light in an electrode layer, to efficiently take out the light and thereby to obtain sufficient luminance efficiency and the like, in the case of emitting the light through the electrode layer. In an organic electroluminescence device comprising a light-emitting layer (3) comprised of an organic material based the light-emitting layer (3) being sandwiched between a first electrode (2) and a second electrode (4), and light emitted from the light-emitting layer (3) being taken out to at least one of the side of the first electrode (2) and the side of the second electrode (4), the light absorbance of the electrode or electrodes on the side of taking out the light, of the first electrode (2) and the second electrode (4), is not more than 10%.

Abstract: A fluorescent lamp including a phosphor layer comprising a phosphor blend including four or more optimized phosphors emitting within a specific spectral range to optimize luminosity for a given color rendering index (CRI) and color coordinated temperature (CCT). The blend will include at least four phosphors selected from the following: a blue phosphor having an emission peak at 440–490 nm, a blue-green phosphor having an emission peak at 475–525 nm, a green phosphor having an emission peak at 515–550 nm, an orange phosphor having an emission peak from 550–600 nm, a deep red phosphor having an emission peak at 615–665 nm, and a red phosphor having an emission peak at 600–670 nm.

Abstract: In a discharge tube of the present invention, a filler gas is composed of a mixture of inert gas and hydrogen gas and an airtight cylinder 10 in which the filler gas is enclosed in an airtight manner is provided. A pair of first and second discharge electrodes 22 and 24 are opposed to each other within an internal space of the airtight cylinder, so that an electric discharge is generated between discharging surfaces of the first and second discharge electrodes. In the discharge tube, a concentration of the hydrogen gas in the filler gas is set in a range from 20 percent by volume to 80 percent by volume.

Abstract: A spark plug includes a metallic housing, an insulator fixed in the metallic housing, a center electrode fixed in the insulator, a ground electrode opposed to the center electrode via a spark discharge gap, and a protective coat formed on the surfaces of a metallic housing and a gasket. The protective coat includes a galvanized film formed on the surfaces of the metallic housing and the gasket and a chromate film successively laminated on the galvanized film. The chromate film is hexavalent chromium-free and contains trivalent chromium as a major component. The chromate film has a film thickness not smaller than 0.05 ?m and not greater than 0.18 ?m, and the chromate film contains a metallic component which is robust against oxidation compared with zinc. Furthermore, the chromate film has a film hardness equal to or less than 1 GPa in the temperature range from a room temperature to 180° C.

Abstract: The present invention provides a mega-boule for use in fabricating microchannel plates (MCPs). The mega-boule includes a cross-sectional surface having at least first, second and third areas, each area occupying a distinct portion of the cross-sectional surface. The first and second areas include a plurality of optical fibers, transversely oriented to the cross-sectional surface, each optical fiber having a cladding formed of non-etchable material and a core formed of etchable material. The third area is disposed interstitially between and surrounding the first and second areas, and includes non-etchable material.

Abstract: A flat panel display device capable of reducing charging of phosphors and disposing spacers easily and accurately. The flat panel display device has a rear substrate including an insulating substrate provided with many cold cathode elements for emitting electrons, a display substrate including a light-transmissive substrate disposed to face the rear substrate, and phosphors disposed on the light-transmissive substrate for generating light when excited by electron beams from the cold cathode elements, and a peripheral frame member. Provided on the light-transmissive substrate is a metal sheet perforated with plural fine holes arranged in a matrix configuration and having the phosphors disposed therewithin to form a light-emissive region.

Abstract: A tension mask frame assembly for a color cathode ray tube (CRT) includes a frame and a tension mask installed to apply tension to the support members, and wherein a plurality of electron beam passing holes are formed. The frame includes; a pair of first and second support members separated by a predetermined distance; first and second elastic members installed between the first and second support members, and supporting the first and second support members; and first, second, third, and fourth holder units installed on the first and second support members and the first and second elastic members, and respectively including first, second, third, and fourth holders and first, second, third, and fourth springs fixed to the first, second, third, and fourth holders. The thermal expansion coefficient of the material forming the third and fourth holders is no more than that of the material forming the first and second elastic members.

Abstract: A method of manufacturing a plasma display panel, whose glass substrate is not tinged and luminance is high, is provided, even when silver material is used. A layer including silver compounds, which include sulfur generated on a surface of an electrode by reacting on sulfur in air, is removed before a forming process of a dielectric layer. Then decomposition of the compound is restricted in a firing process of the dielectric layer. Even when the electrode having the silver material with high electrical conductivity is used, yellow coloration on the glass substrate is prevented. As a result, a high quality plasma display panel which does not decrease in luminance is provided.