Abstract: The present invention provides a planar image display device which can prevent the generation of discharge by attenuating the concentration of an electric field on an end surface of a high voltage applied portion of a phosphor screen. In a planar image display device which includes a back substrate having a plurality of signal lines and a plurality of electron sources on a glass substrate, a face substrate having a phosphor screen layer, a BM film and a metal back on a glass substrate, and a frame body interposed between the back substrate and the face substrate, a high resistance film is arranged to cover a periphery of the metal back.

Abstract: A sealing glass of a low melting point glass composition which is a phosphate glass that contains transition metal wherein the glass contains 15 to 35% of BaO and Sb2O3 (in total) and the ratio by weight of BaO to Sb2O3 or Sb2O3 to BaO is 0.3 or less. Particularly the transition metal is vanadium and the glass contains V2O5 of 45 to 60 wt % as vanadium oxide and P2O5 of 15 to 30 wt % as phosphorus oxide. The bonding material is a mixture of a filler and a vanadate-phosphate glass that contains V2O5 as the main ingredient and the glass contains V2O5 of 45 to 60%, P2O5 of 20 to 30%, BaO of 5 to 15%, TeO2 of 0 to 10%, Sb2O3 of 5 to 10%, and WO3 of 0 to 5%. The particle size of the filler is in the range of 1 to 150 ?m and the ratio of filler is 80% by volume or less of the adhesive glass.

Abstract: To obtain a paste for electron sources which can enhance heat resistance of carbon nanotubes, which can suppress burn-out of the carbon nanotubes even during heating at a high temperature, and can exhibit a high electron emission performance, boron (B) is added to the paste formed of the carbon nanotubes and metal. Due to the addition of boron, the oxidation of the carbon nanotubes can be suppressed, and the degradation of the electron emission characteristics and the degradation of the uniformity of the emission of electrons during the heating process such as baking can be prevented.

Abstract: The present invention suppresses color irregularities or a black spot defect by reducing mislanding of electron beams or the generation of discharge at end portions of a spacer. The spacer is arranged on scanning lines as a single member having no split portions, and the spacer has both end portions thereof positioned exceeding both sides of a display region in the lateral direction (x direction) formed of a two-dimensional arrangement of electron sources and phosphors. An anode is formed to cover a display region with a width exceeding a width of the display region in the extending direction of the scanning lines. Both end portions of the spacer in the lateral direction (x direction) are arranged at positions retracted from a width of the anode. In the lateral direction, a relationship of the width of the display region<the width of the spacer<the width of the anode is established. The phosphors are applied to stripe-like black matrix apertures which extend in the vertical direction (y direction).

Abstract: A display device includes a face substrate which has anodes and phosphors on an inner surface thereof, a back substrate which has cathode lines and electron sources formed on the cathode lines, a support body which is interposed between both substrates such that the support body surrounds a display region and forms a given inner space, and a sealing material which hermetically seals the support body and both substrates. To enable the display device to produce a high quality display and have a long lifetime while ensuring the conduction in a wide range between the cathode lines and the electron sources, the cathode lines are made of a material having a conductor and an insulator, and the composition of a connecting portion between the cathode line and the electron source is formed such that the conductor occupancy rate becomes equal to or more than the insulator occupancy rate.

Abstract: A display device includes a back substrate having a plurality of cathode lines, and a plurality of control electrodes, which are insulated from the cathode lines on an inner surface thereof, and a front substrate which is arranged to face the back substrate in an opposed manner with a set distance therebetween, and which has phosphors and an anode which constitute a display region, on an inner surface thereof. Distance holding members are provided for maintaining the set distance between the back substrate and the front substrate inside of the display region. The phosphors are constituted of three colors, and the cathode lines are formed into groups each consisting of three cathode lines corresponding to the three colors. The plurality of cathode lines include line portions and cathode portions which are wider than the line portions. Electron sources are formed on the cathode portions.

Abstract: The present invention provides a display device allowing the quality and reliability to be improved by preventing the occurrence of vacuum leak attributable to dislocation which may be caused by preliminary baking and panel sealing. A display device in which the end surfaces of a support body 13 are hermetically bonded to a front substrate 2 and a rear substrate 1 by sealing members 4. In the display device, the support body 13 is formed by bonding together a plurality of support body members 13X1, 13X2, 13Y1 and 13Y2, and adjacent support body members are bonded by using a first bonding member 141 for bonding a central area of each bonding surface and a second bonding member 142 for bonding a marginal area around the central area. The softening temperature of the first bonding member is set higher than the softening temperature of the second bonding member.

Abstract: The present invention ensures the hermetic bonding of a support body which is interposed between a face substrate and a back substrate and is formed of a plurality of members thus easily realizing the large-sizing of a screen of a display image and, at the same time, enhancing a hermetic property holding function of the image display device. A support body is interposed between a face substrate and a back substrate while surrounding a display region and hermetically seals both substrates using a sealing material. The support body is formed by hermetically bonding a plurality of support body members each other using a bonding material which has a softening point higher than a softening point of the sealing material.

Abstract: It is an object of the present invention to provide a spacer which has an adequate Young's modulus for a spacer used in an image display panel and allows free adjustment of an electric resistance value, and an image display panel using the spacer. The spacer SPC holds a gap between a back panel PNL1 including a signal line CL, a scanning line GL, and an electronic source ELS provided for the main surface of a back substrate SUB1, and a front panel PNL2 including a fluorescent material PH, a black matrix BM, and an anode AD provided for the main surface of a front substrate SUB2. The spacer comprises phosphate glass including the same transition metal element with different valences. For electrical conduction, the included same transition metal element with different valences allows the use of hopping conduction between transition metal atoms with different valences to perform adjustment of electric resistance relatively easily.

Abstract: In an image display device, end surfaces of spacers are jointed to substrates in a state that the spacers bite into a conductive adhesive material 13 in the depth direction of a coating thickness of the conductive adhesive material. Due to such a constitution, it is possible to provide the image display device which possesses high brightness, high reliability and a prolonged lifetime by suppressing the breakage and the deformation of distance holding members which hold a distance of a hermetically sealed space surrounded by a face substrate, a back substrate and a frame body.

Abstract: An object of the present invention is to provide a highly reliable display device by preventing an adhesive layer from being drawn to the inside at the time of vacuum pumping and by securing a sufficient adhesive strength. A crystalline layer CRZ is formed in the surface of an adhesive layer FT between the respective contact surfaces of a first glass substrate SUB1 and a sealing frame FR, as well as of a second glass substrate SUB2 and the sealing frame FR.

Abstract: The present invention provides an image display device which can realize the recycling at a low cost by shortening a disassembling time of a face substrate and a back substrate. In a support frame which is bonded and fixed to a face substrate and a back substrate by way of sealing materials respectively, a cut portion whose spatial region expands from the inside to the outside is integrally formed on an end surface at a corner portion thereof. To outer portions of the cut portions, the sealing materials 10a, 10b are not fixed.

Abstract: To provide a display device having the long lifetime and the high reliability by preventing the generation of a spark or a dark current between terminals of cathode lines and an anode, a shielding member is arranged between the terminals of the cathode lines and the anode so as to ensure shielding between the terminals and the anode.

Abstract: In an image display device which includes a frame body which is arranged between a back substrate and a face substrate, a phosphor screen which is arranged on the face substrate, and an anode lead line for introducing a high voltage which is arranged between the phosphor screen and a voltage source, the anode lead line is covered with at least a portion of the frame body. According to the present invention, it is possible to obtain an image display device having a prolonged lifetime and capable of performing a high quality display while ensuring the conduction of a high voltage which is applied to a phosphor screen side.

Abstract: Spacers are fixed on scanning signal lines by a bonding member and conductive bonding member. Since the scanning signal lines and the spacers formed on a back substrate are fixed with the bonding member and the conductive bonding member, electrostatic charge of the spacers can be prevented. According to the invention, a display device which can obtain an image display with a high white uniformity is provided by stabilizing the potential applied to spacers and stabilizing the beam landing of electron beams.

Abstract: A field emission type display device has a structure in which each pixel is constituted of a combination of a plurality of small apertures and a plurality of small electron sources. Due to such a constitution, it is possible to reduce undesired impact of electrons on control electrodes and the enhancement of the heat resistance of the carbon nanotubes of electron sources, whereby it is possible to obtain a display device of high quality and long lifetime, while exhibiting a high-performance electron emission characteristic. Boron (B) is adhered to carbon nanotubes, which constitute electron sources, through the small apertures of the control electrodes; and, hence, the alignment of the small apertures and the small electron sources is ensured and the area of the electron source is set to be equal to or less than the area of the aperture.

Abstract: A display device is disclosed for providing improved brightness and definition. The device includes a substrate which has anodes and phosphors formed on an inner surface thereof and a plurality of cathode lines that extend in one direction and include electron sources. Control electrodes are provided in a display region in a non-contrast manner. The control electrodes are formed on an inner surface of a back substrate and arranged to face a face substrate in an opposing manner. A support body is interposed between the face substrate and the back substrate such that the support body surrounds the display region and maintains a given distance. The device also includes a plurality of getters arranged between the support body and the partition wall body.

Abstract: There is provided a method of manufacturing a display panel and an anode panel for improving reliability of a sealing portion of the display panel. Vacuuming (evacuation of air) is performed to inside of a cavity formed by a cathode panel and an anode panel in a state of viscosity in which a sealant melts and deforms in manufacturing of a display.

Abstract: The object of the invention is to provide a display device, particularly to provide a display device that inhibits discharge caused in the operation of the display device utilizing field emission and enables image display for a long time. Discharge between a metal-backed film and an electron emission element is inhibited by forming a plurality of spacers arranged in a display area between a front board and a back board by an insulating material, providing a conductive metallic film on side walls of the spacer and integrating a convex portion protruded on the side of the front board with the conductive metallic film.

Abstract: It is an object to provide an electric conductive, Pb-free bonding material for securing spacers for display panels of display devices. The electric conductive bonding material as the first aspect of the present invention contains a V2O5-based glass as a main component, and particles of a metal selected from the group consisting of Pt, Pd, Cr, Ni, Al, Si, Zn, Au and Fe—Ni alloy, or of one or more species of electric conductive ceramics which can be selected from the group consisting of TiC, SiC, WC, ZnO, Fe2O3, FeO, Fe3O4, AgV7O18 and Ag2V4O11 at 10 to 50% by volume. The electric conductive bonding material as the second aspect of the present invention contains V2O5 at 55 to 75%, P2O5 at 15 to 30%, BaO at 0 to 25% Sb2O3 at 0 to 15% (total content of BaO and Sb2O3 adjusted at 5% or more), and GeO2 at 5 to 20% or Ag2O at 3 to 10%, all percentages by mass.