Abstract: A field emission display device includes three parts: a cathode emitter unit, an electron amplification unit, and a faceplate unit. The primary emission of electrons emitted from the cathode emitter unit bombards an electrode layer that includes an electron amplification material in order to generate secondary emissions of electrons. The secondary emissions of electrons bombard a light-emitting layer of the faceplate unit to generate fluorescence. Then, the fluorescence is transmitted through a transparent faceplate for viewing.

Abstract: A light-emitting cell, includes a light-emitting material which can emit light in response to a collision of an electron beam; an electron-emitting unit having a carbon nanotube as an electron source for releasing the electron beam and emitting the electron beam to ram against the light-emitting material; and a gate disposed above the carbon nanotube for controlling the electron beam emitting from the carbon nanotube whether to pass through the gate to ram against the light-emitting material at a specific address wherein the gate comprises a network conductor including a first metal layer for determining an x-coordinate of the address, a second metal layer for determining a y-coordinate of the address, and an extracting electrode placed between the carbon nanotube and the first metal layer for extracting the electron beam from the carbon nanotube.

Abstract: A field emission cold cathode device of a lateral type includes a cathode electrode and gate electrode disposed on a major surface of a support substrate laterally side by side. The cathode electrode and gate electrode have side surfaces which oppose each other, and an emitter is disposed on the opposite side surface of the cathode electrode. The emitter includes a metal plating layer formed on the cathode electrode, and a plurality of granular or rod-shaped micro-bodies. The micro-bodies are consisting essentially of a material selected from the group consisting of fullerenes, carbon nanotubes, graphite, a material with a low work function, a material with a negative electron affinity, and a metal material, and are supported in the metal plating layer in a dispersed state.

Abstract: A first layer having a refractive index higher than that of a light transparent substrate is formed on the light transparent substrate, and a second layer having a refractive index higher than that of the first layer is formed on the first layer, and an electrode layer having a refractive index higher than that of the second layer is formed on the second layer in accordance with the present invention. By means of this configuration, a spherical-wave-shaped wavefront emitted from a point light source of an emission layer of a light-emitting device to all directions, is converted to a plane-wave-shaped wavefront within the substrate, which allows the light to be effectively emitted outside the substrate, so that a light-emitting device substrate having good light extraction efficiency and a light-emitting device using the same may be provided.

Abstract: In a field emission display device, an opening dimension in a predetermined direction (or x direction) of an opening of a control electrode is greater than an opening dimension in the predetermined direction of an electron pass aperture of a shield electrode, and the shield electrode is located at the front of the control electrode so that the entire range of the opening dimension in the predetermined direction of the electron pass aperture is within the range of the opening dimension in the predetermined direction of the opening of the control electrode.

Abstract: A fluorescent display tube is disclosed. In the fluorescent display tube, linear members, such as, for example, wire grids and filament are sustained in a predetermined height, while both ends of each linear member are welded on a metal layer by ultrasonic. The fluorescent display tube includes a metal spacer for fixing the linear member and holding the linear members in an elevated position so that the dead space within the fluorescent display is reduced. The linear members are bonded on an aluminum thin films formed on the glass substrate 111 by way of the aluminum spacer. The aluminum spacer sustains the linear members in a predetermined height. Aluminum spacer acts as a member for fixing the linear member and as a height level holding member.

Abstract: A field emission device including a cathode having an electric field emitter for emitting electrons, a field emission inducing gate for inducing electron emission, and an anode for receiving the emitted electrons. A field emission suppressing gate is interposed between the cathode and the field emission inducing gate for suppressing electron emission, so that problems such as gate leakage current, electron emission due to anode voltage, and electron beam spreading of the conventional field emission device are significantly overcome.

Abstract: A field emission display. Gate electrodes are formed in a predetermined pattern on a first substrate. An insulation layer is formed on the first substrate covering the gate electrodes. Cathode electrodes are formed in a predetermined pattern on the insulation layer. Emitters are provided electrically contacting the cathode electrodes. A second substrate is provided opposing the first substrate with a predetermined gap therebetween. The first substrate and the second substrate form a vacuum container. An anode electrode is formed on a surface of the second substrate opposing the first substrate. Phosphor layers are formed in a predetermined pattern on the anode electrode. Portions of the cathode electrodes are removed to form emitter-receiving sections. Fences are formed between the emitter-receiving sections, one of the emitters being provided in each of the emitter-receiving sections electrically contacting the cathode electrodes.

Abstract: An envelope includes a first substrate having an image display surface, and a second substrate opposing the first substrate with a space therebetween. Electron sources for activating the image display surface are arranged on the second substrate at a predetermined pixel pitch in an X-direction and a Y-direction perpendicular to each other. Spacers are provided between the first and second substrates. The spacers are arranged at several times the pixel pitch in the X-direction, and arranged in the Y-direction at the same pitch as the pixel pitch at least in a part of the image display surface, those of the spacers arranged in the Y-direction being arranged in line with the electron sources and being located at both sides of each of the corresponding electron sources to make an electron emitted from each of the corresponding electron sources pass between each adjacent pair of those spacers.

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 for creating an electron lens includes the steps of applying a polymer layer on an emitter surface of an electron emitter and then curing the polymer layer to reduce volatile content.

Abstract: To realize a field emission type image display device which can obtain a high current density at low voltage driving, assuming a diagonal screen size of the display region as D(mm), the number of the pixels which are arranged in the x direction as Nh, the number of the pixels which are arranged in the y direction as Nv, the distance between the electron passing apertures formed in the strip-like electrode elements which constitute the control electrodes as db(mm), the distance between the electron source and the strip-like electrode element as Lkg(mm), and an aperture diameter of the electron passing apertures as ?G(mm), provided that the aperture diameter ?G(mm) is expressed by the following formula (45), D 3 · Nh 2 + Nv 2 - 2 ? db > ( - 0.23 · ln ? ( db ) + 0.49 ) · Lkg + 0.02 · ln ? ( db ) + 0.125 ( 45 ) the following formula (46) is established. (0.46·ln(db)+2.5)·Lkg+0.006·ln(db)+0.04??G?(?0.41·ln(db)?0.68)·Lkg+0.014·ln(db)+0.

Abstract: A field emission device having emitter tips and a support layer for a gate electrode is provided. Openings in the support layer and the gate layer are sized to provide mechanical support for the gate electrode. Cavities may be formed and mechanically supported by walls between cavities or columns within a cavity. Dielectric layers having openings of different sizes between the emission tips and the gate electrode can decrease leakage current between emitter tips and the gate layer. The emitter tips may comprise a carbon-based material. The device can be formed using processing operations similar to those used in conventional semiconductor device manufacturing.

Abstract: Provided is a field emission display in which a gate hole having an inclined inner wall and a gate electrode around the gate hole are formed between an anode plate having a phosphor and a cathode plate having a field emitter and a control device for controlling a field emission current, whereby the voltage applied to the gate electrode of the gate plate serves to prohibit an electron emission of the field emitter by the anode voltage, and prevent a local arching by forming a totally uniform potential, so that the life time of the field emission display can be improved, and the gate hole having the inclined inner wall enables a fabrication of a filed emission display panel having a high brightness without an additional focusing grid.

Abstract: In order to prevent a spacer from being charged by using a plate shaped spacer covered with a high resistance film, the present invention is aimed at preventing irregular displacements of electron beams emitted from adjacent electron-emitting devices and suppressing displacements of impinging positions of the electron beams emitted from the adjacent electron-emitting devices even with a slight displacement of an installation position of the spacer. The spacer is disposed along a row directional wiring. The high resistance film is allowed to come into contact with a metal back and the row directional wiring to achieve electrical connection therebetween. Contact portions between the high resistance film of the spacer and the row directional wiring are provided at predetermined intervals.

Abstract: To provide an electron-emitting device that can be used to manufacture an image forming apparatus having a superior display quality and in which the development of the abnormal light emission point is suppressed and the unevenness of brightness is not caused.

Abstract: An electron emission device and/or display using the same includes a beam-focusing structure. The beam-focusing structure has a first insulating layer formed on a plate. The first insulating layer has a thickness, and is formed with a first hole. A first electrode is formed on the first insulating layer and extending into the first hole. An emission portion is formed in the first hole and connected to the first electrode. A second insulating layer is formed on the first electrode and is also formed with a second hole through which the emission portion is at least partially exposed. A second electrode is formed on the second insulating layer. In the electron emission device and/or the display, an electric field between the first electrode and the second electrode causes the emission portion to emit an electron beam and focuses the electron beam from the emission portion.

Abstract: By a method for manufacturing a flat image display device having a plate spacer, even if the center of the plate spacer is displaced from its initial assembly position, it can easily be corrected to the initial assembly position again, allowing stable production of high-quality image display devices. The present invention includes the process of forming a space between the plate spacer and a first substrate between the process of fixing the plate spacer to the first substrate and the process of tightly bonding the first substrate and a second substrate together.

Abstract: The invention provides a display device using thin film type electron sources having a structure that can be formed in a simple manufacturing process. A lower electrode, a protective insulating layer and an interlayer film are formed on a cathode substrate. An upper bus electrode made from a laminated film of a metal film lower layer and a metal film upper layer is provided further on the interlayer film. A film of an upper electrode of a thin film type electron source for each pixel constituted by an insulating layer serving as an electron accelerating layer on the lower electrode and the upper electrode is formed on two stripe electrodes of the upper bus electrode in that pixel and another upper bus electrode in an adjacent pixel by sputtering. Then, the upper electrode is separated by self-alignment due to a setback portion of the metal film lower layer and an appentice of the metal film upper layer of the corresponding upper bus electrode.

Abstract: A pixel structure and an edge-emitter field-emission display device having a first substrate or backplate including a cathode disposed thereon and a second substrate or faceplate including an anode disposed thereon, wherein the anode on the second substrate or faceplate has a light emitting film. The cathode may define a first bus of an X-Y bus array and the anode may define a second bus of the X-Y bus array. Alternatively, the first substrate may further include a control gate disposed thereon, wherein the cathode defines a first bus of an X-Y bus array and the control gate defines a second bus of the X-Y bus array.

Abstract: The present invention refers to a field emitter beam source (10) comprising at least one emitter (11); at least one extracting electrode (19) to extract a beam current (IE) from the emitter (11); a current source (12) for providing a predetermined beam current (IE0); a first voltage source (13) for providing a first voltage (UA) between the emitter (11) and the extracting electrode (19) to switch on the beam current (IE); and a first switch (S1) for disconnecting the first voltage source (13). With such a field emitter beam source, the emitter voltage (UE) necessary to emit a predetermined beam current (IE0) can be determined. This in turn enables the field emitter beam source (10) to generate beam current pulses with a fast rise time and a well defined beam current pulse charge Q.

Abstract: A field emission electron source capable of achieving large current density is provided at low cost with good productivity. An insulating layer is formed on a substrate and has one or more openings; and an extraction electrode is formed on the insulating layer. In one or more of the openings, a plurality of emitters, each of which emits an electron by an electric field from the extraction electrode, are formed on the substrate.

Abstract: Structures and methods to ease electron emission and limit outgassing so as to inhibit degradation to the electron beam of a field emitter device are described. In one method to ease such electron emission, a layer of low relative dielectric constant material is formed under the surface of the field emitter tip. Another method is to coat the field emitter tip with a low relative dielectric constant substance or compound to form a layer and then cover that layer with a thin layer of the material of the field emitter tip.

Abstract: An FED has a cathode, an anode and an insulating supporting device. The cathode has a plurality of cathode electron emitter layers and a cathode substrate. The cathode has a plurality of cathode ribs disposed on the cathode substrate, and the cathode ribs are used for laterally separating any respective two cathode ribs. The anode has a phosphors layer and an anode substrate. The insulating supporting device is arranged between the cathode ribs and the anode, and has a reflection layer facing the anode and a gate made of a conductive material and disposed above the cathode ribs. The reflection layer is capable of reflecting light emitted from the phosphors layer.

Abstract: A display device equipped with a display unit for displaying information includes a terminal connected to the display unit and adapted to supply a predetermined potential to an electrode in the display unit, an insulator provided outside the display unit and adapted to cover the terminal, and a support structure for supporting the display unit, the display device characterized by having one of the following features (1) The support structure is equipped with a retaining portion for retaining the insulator independently of the support of the display unit. (2) It is equipped with a guide for guiding the conductor cable along the conductor cable between the terminal and the power source.

Abstract: A field emission display includes a first substrate. At least one gate electrode is formed in a predetermined pattern on the first substrate. A plurality of cathode electrodes is formed on the first substrate in a predetermined pattern. At least one first insulation layer is formed between the at least one gate electrode and the plurality of cathode electrodes. Emitters are mounted within openings of the cathode electrodes formed in the cathode electrodes. A second insulation layer having a plurality of channels is formed on the cathode electrodes such that the emitters are positioned within the channels. At least one focusing electrode is formed on the second insulation layer. A second substrate is provided opposing the first substrate with a predetermined gap therebetween. At least one anode electrode is formed on a surface of the second substrate opposing the first substrate. Phosphor layers are formed on the anode electrode in a predetermined pattern.

Abstract: A field emission cold cathode device of a lateral type includes a cathode electrode and gate electrode disposed on a major surface of a support substrate laterally side by side. The cathode electrode and gate electrode have side surfaces which oppose each other, and an emitter is disposed on the opposite side surface of the cathode electrode. The emitter includes a metal plating layer formed on the cathode electrode, and a plurality of granular or rod-shaped micro-bodies. The micro-bodies are consisting essentially of a material selected from the group consisting of fullerenes, carbon nanotubes, graphite, a material with a low work function, a material with a negative electron affinity, and a metal material, and are supported in the metal plating layer in a dispersed state.

Abstract: An apparatus and a method for stabilizing the threshold voltage in an active matrix field emission device are disclosed. The method includes the formation of radiation-blocking elements between a cathodoluminescent display screen of the FED and semiconductor junctions formed on a baseplate of the FED.

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 cold-cathode electron source having an improved utilization efficiency of an electron beam and a simple structure. The cold-cathode electron source comprises a gate electrode (4) provided on a substrate (2) through an insulating layer (3) and an emitter (6) extending through the insulating layer (3) and the gate electrode (4) and disposed in an opening of the gate. During the emission of electrons from the emitter (6), the following relationships are satisfied: 10 [V/?m]?(Va?Vg)/(Ha?Hg)?Vg/Hg; and Vg/Hg [V/?m]?Va×10?4×(9.7?1.3×1n(Hg))×(1000/Ha)0.5, where Ha [?m] is an anode-emitter distance, Va [V] is an anode-emitter voltage, Hg [?m] is a gate-emitter distance, and Vg [V] is a gate-emitter voltage.

Abstract: In an image display device, assuming the distance between electron sources and control electrodes is Lkg, the distance between the control electrodes and acceleration electrodes is L12, the thickness of opening holes formed in the control electrodes is Tgl and the short diameter of the opening holes formed in the control electrodes is FGI, the acceleration electrodes satisfy the relationship (Lkg+Tgl+L12/2)/FGI?0.25; assuming the thickness of the opening holes formed in the acceleration electrodes is Tg2 and the short diameter of the opening holes formed in the acceleration electrodes is FG2, the acceleration electrodes satisfy the relationship Tg2min?Tg2?Tg2max and the relationship Tg2min=2.98FG2?0.04; assuming FG2<0.109, the acceleration electrodes satisfy the relationship Tg2max=0.02/(0.115?FG2)?0.06; and assuming FG2?0.109, the acceleration electrodes satisfy the relationship Tg2max=0.03/(FG2?0.1)+0.045.

Abstract: To provide a red phosphor red phosphor, for low-voltage electron beams, excellent in the life characteristic of its emission luminance and phosphors, for low-voltage electron beams, emitting light in various colors, the red phosphor containing SrTiO3:Pr, Al as a main component thereof is mixed an inorganic compound comprises sulfides. The inorganic compound is a sulfide or a sulfide-containing phosphor. The inorganic compound is a sulfide of alkaline earth metals.

Abstract: The present invention provides a display device which can sufficiently ensure spaces for mounting distance holding members 5 when the distance holding members 5 are mounted, can facilitate the assembling and can realize the electron emission characteristics of high performance. At least two different types of gaps b, c (b<c) are provided among cathode lines 2 (2R, 2G, 2B) and the distance holding members 5 are mounted at portions of the gaps c having a larger size whereby the space for mounting the distance holding members 5 can be sufficiently ensured.

Abstract: A field emission element has a gate electrode stacked on a substrate, an emitter electrode stacked on the gate electrode via an interlayer insulating layer, and an anode electrode formed on another substrate facing the emitter electrode. Further, the field emission element includes an anode pixel formed by the anode electrode and a generally rectangular fluorescent body formed thereon and a plurality of wells, each being formed in the emitter electrode and the interlayer insulating layer in a form of a narrow elongated hole. Here, the wells are disposed within a generally rectangular electron emitting area and at least a majority of the wells are arranged parallel to each other, and a length direction of the majority of the wells is substantially normal to that of the fluorescent body and the electron emitting area.

Abstract: A cold cathode display device which has a small thickness and a large display area, in which an anode can be sufficiently distant from an extraction electrode to ensure a breakdown voltage and an electron beam diameter can be made sufficiently smaller than the size of a phosphor, and a method of manufacturing such a cold cathode display device. A focus electrode is added to a conventional cold cathode display device. The focus electrode is located such that extraction electrodes and cathodes are interposed between the focus electrode and a back substrate. The focus electrode includes electron passage windows located opposite the cathodes and electron passage windows. The focus electrode is attached to, and supported by, the extraction electrodes via an insulating material with a distance being maintained between the focus and extraction electrodes.

Abstract: In a display device, to ensure sufficient electron source regions on cathode lines formed on a back substrate, cathode lines are divided into line portions and cathode portions, wherein the line portions are made narrow to a width which is a required minimum for transmitting signals, and the area of the cathode portions which form an electron source has a wide island shape. Further, a plurality of cathode lines are formed into groups, and respective cathode portions are formed at positions corresponding to electron passing apertures formed in the control electrodes. Also, the gap between the wiring portions is made small, so that a relatively large space is ensured between neighboring groups of the cathode lines. Thus, the tolerance in mounting the control electrodes and the tolerance in mounting the distance holding members can be increased, whereby the alignment between electron passing apertures and cathode lines is facilitated.

Abstract: A field emission display includes a substrate and a plurality of emitters formed on columns on the substrate. The display also includes a porous dielectric layer formed on the substrate and the columns. The porous dielectric layer has an opening formed about each of the emitters and has a thickness substantially equal to a height of the emitters above the substrate. The porous dielectric layer may be formed by oxidation of porous polycrystalline silicon. The display also includes an extraction grid formed substantially in a plane defined by respective tips of the plurality of emitters and having an opening surrounding each tip of a respective one of the emitters. The display further includes a cathodoluminescent-coated faceplate having a planar surface formed parallel to and near the plane of tips of the plurality of emitters. The porous dielectric layer results in columns having less capacitance compared to prior art displays.

Abstract: In an image forming apparatus including an electron-source substrate having a plurality of cold-cathode electron emitting elements, each having an electron emitting portion and a pair of element electrodes, an acceleration electrode for applying an acceleration voltage operating on electrons emitted from the electron emitting elements, disposed so as to face the electron emitting elements, a spacer disposed between the electron-source substrate and the acceleration electrode, a wiring portion formed on the electron-source substrate for driving the electron emitting elements, these components being accommodated within an envelope, an electron-trajectory correcting electrode for correcting beam deviation due to charging of the spacer is provided near an electron emitting element near the spacer.

Abstract: Low-cost electron emission device and field emission display using a cold cathode electron source having a high electron beam utilization efficiency and capable of controlling the spread of the electron beam. Under the condition Ea?Eg, the electric field strength near the gate electrode forming an electron emission control unit is varied between a central portion and a peripheral portion in the plane of a single pixel (or sub-pixel), thereby controlling the spread of the electron beam. A device using a field emission-type electron source array capable of achieving a high emission current density at low voltage can be realized at low cost.

Abstract: A field-emission cathode having an emitter provided with a substrate, an emitter electrode layer, an insulating layer, a gate electrode layer, the layers being formed on the substrate in this order, needlelike projections for electron emission provided on the emitter electrode layer in a gate opening from which the insulating layer and the gate electrode layer are removed and each grown from one point in a given direction, and different projections for electron emission formed on all or part of the projections. The projections of the emitter are made of metallic particles, and thereby the manufacturing cost is lowered.

Abstract: A transparent electrode layer, an organic EL layer, and a metallic electrode layer are stacked on top of each other in layers on the lower surface of a transparent substrate to form a planar light emitting element region in a light emitting device. A light beam which is emitted from the light emitting element region and incident on the transparent substrate is transmitted out from a display region as well as a light transmitting region formed near an edge of the transparent substrate. Thus, the light emitting device is enabled to facilitate fabrication and make an effective use of the entire surface of the transparent substrate as the light transmitting region.

Abstract: A carbon nano-tube field emission display has a plurality of strip shaped gates, wherein the strip shaped gate of the triode structure is in place of the conventional hole shaped gate, and morecover, a plurality of cathode electrons are induced by the electric force from the side of the gate. Therefore, when the carbon nano-tube electron emission source emits electrons, which are controlled under the strip shaped gate, the diffusion direction of the electron beam is confined in the same direction. Consequently, controlling the image pixel and using the particular advantage of the triode-structure field emission display significantly improve the image uniformity and the luminous efficiency.

Abstract: A semiconductor source of emission electrons which uses a target of a wide bandgap semiconductor having a target thickness measured from an illumination surface to an emission surface. The semiconductor source is equipped with an arrangement for producing and directing a beam of seed electrons at the illumination surface and a mechanism for controlling the energy of the seed electrons such that the energy of the seed electrons is sufficient to generate electron-hole pairs in the target. A fraction of these electron-hole pairs supply the emission electrons. Furthermore, the target thickness and the energy of the seed electrons are optimized such that the emission electrons at the emission surface are substantially thermalized. The emission of electrons is further facilitated by generating negative electron affinity at the emission surface. The source of the invention can take advantage of diamond, AlN, BN, Ga1-yAlyN and (AlN)x(SiC)1-x, wherein 0?y?1 and 0.2?x?1 and other wide bandgap semiconductors.

Abstract: An image forming apparatus comprises first and second substrates, a support frame arranged between the first and second substrates, and surrounding a space between the first and second substrates, electron emitting devices arranged on the first substrate facing the space, and an image forming member arranged on the second substrate. A spacer is disposed in the space between the first and second substrates, and a conductive film is arranged on the second substrate to surround the image forming member. The conductive film is supplied with a potential lower than that applied to the image forming member, and the spacer has a length greater than that of the image forming member. Each longitudinal end of the spacer is arranged between the inner periphery of the support frame and a respective plane through which a corresponding end of the conductive film extends perpendicularly to a principal surface of the second substrate.

Abstract: A cathode plate of a field emission display comprising a cathode substrate of the field emission display and a plurality of linear isolation barriers each having a length and a thickness and attached to a top surface of the cathode substrate. The plurality of linear isolation barriers are spaced at intervals such that electron emitter lines can be formed between respective ones of the plurality of linear isolation barriers. In one embodiment, the linear isolation barriers comprise ribs attached to the top surface of the cathode substrate. In some embodiments, the linear isolation barriers are adapted to contact gate wires of a gate frame of the field emission display positioned above the cathode substrate to dampen driving frequency vibrations in the gate wires.

Abstract: An image displaying apparatus having a first plate including at least an electron beam source, and a second plate including an anode to which an electric potential for accelerating an electron beam from the electron beam source is applied, and a potential regulating electrode to which a predetermined electric potential lower than that of the anode is applied. The potential regulating electrode is situated at an outside of the anode. A spacing member is provided between the first and second plates, and contacts both of the anode and the potential regulating electrode. The spacing member includes an electrode contacting or being disposed close to the potential regulating electrode thereby being electrically connected with the potential regulating electrode. The electrode included in the spacing member contacts or is disposed close to an electrode included in the first plate, thereby electrically connecting with the electrode included in the first plate.

Abstract: A technique for correcting an electron trajectory and preventing positional deviation of a light emitting point in an image display apparatus is disclosed. The image display apparatus includes a rear plate which is provided with an electron source having electron-emitting devices, a plurality of wiring electrodes for supplying a drive signal to the electron-emitting devices, a face plate disposed to be opposed to the rear plate and a spacer which is arranged between the face plate and the rear plate and is provided with a spacer electrode on a contact surface which is in contact with the rear plate. And, this image display apparatus is unique in that a distance L1 between a first wiring electrode and a center of a first electron-emitting region and a distance L2 between a second wiring electrode and a center of a second electron-emitting region satisfy a relationship L1>L2.

Abstract: A cathode plate of field emission display comprising a cathode substrate of the field emission display having a thickness and one or more in-laid linear isolation barriers formed within the thickness of a top surface of the cathode substrate. The one or more in-laid linear isolation barriers are adapted to contain electron emitter lines, wherein the one or more in-laid linear isolation barriers provide field isolation between respective ones of the electron emitter lines. In one embodiment, the in-laid isolation barriers comprise trenches. In some embodiments, portions of the top surface in between in-laid isolation barriers are adapted to contact gate wires of a gate frame positioned over the cathode substrate in order to dampen driving frequency vibrations in the gate wires.

Abstract: An apparatus for stabilizing the threshold voltage in an active matrix field emission device is disclosed. The apparatus includes the formation of radiation-blocking elements between a cathodoluminescent display screen of the FED and semiconductor junctions formed on a baseplate of the FED.