Abstract: A field emission display includes an insulating substrate, a number of first electrode down-leads, a number of second electrode down-leads, and a number of electron emission units. The first electrode down-leads are set an angle relative to the second electrode down-leads to define a number of cells and a number of intersections. Each electron emission unit is located at one of the plurality of intersections and in at least two adjacent cells. The electron emission unit includes a first electrode, a second electrode, and a plurality of electron emitters. The second electrode extends surrounding the first electrode. The plurality of electron emitters located on and electrically connected to at least one of the first electrode and the second electrode. A field emission display is also provided.

Abstract: A field emission panel, a liquid crystal display and a field emission display having the same are provided. The field emission panel includes a lower plate emitting electrons and an upper plate generating white light or a color image through collision with the electrons. The lower plate includes plural field emission elements, plural cathode electrodes and plural gate electrodes forming an electric field for electron emission from the electron emission elements, and a glass plate supporting the electron emission elements, the cathode electrodes, and the gate electrodes. The gate electrodes are arranged on an upper surface of the glass plate, and the glass plate has plural accommodation grooves for accommodating the plural electron emission elements and the plural cathode electrodes.

Abstract: An image display device includes a rear plate provided with an electron emitting element, a face plate provided with a transparent substrate, a transparent anode electrode formed on the transparent substrate, and a fluorescent layer provided on the anode electrode and including fluorescent particles. An average particle size of the fluorescent particles is equal to or less than 500 nm. The face plate has a light extraction means for extracting light emitted when the fluorescent layer is irradiated by electrons emitted from the electron emitting element to the substrate side.

Abstract: A display device having a base substrate provided with light-emitting devices and terminal electrodes connected thereto; a sealing substrate disposed to face the base substrate; a first resin material between the base substrate and the sealing substrate so as to surround a first region in which the light-emitting devices are provided; and a second resin material between the base substrate and the sealing substrate and is filled in the first region surrounded by the first resin material so as to seal the light-emitting devices.

Abstract: A color field emission display includes a sealed container and a color element enclosed in the sealed container. The color element includes a cathode, an anode, a phosphor layer and a carbon nanotube string. The anode is located spaced from the cathode. The phosphor layer is formed on an end surface of the anode. The carbon nanotube string has a first end electrically connected to the cathode and an opposite second end functioning as an emission portion. The second end includes a plurality of tapered carbon nanotube bundles.

Abstract: An electron emitting element of the present invention includes an electron acceleration layer provided between an electrode substrate and a thin-film electrode, which electron acceleration layer includes (a) conductive fine particles and (b) insulating fine particles having an average particle diameter greater than that of the conductive fine particles. The electron emitting element satisfies the following relational expression: 0.3x+3.9?y?75, where x (nm) is an average particle diameter of the insulating fine particles, and y (nm) is a thickness of the thin-film electrode 3. Such a configuration allows modification of the thickness of the thin-film electrode with respect to the size of the insulating particles, thereby ensuring electrical conduction and allowing sufficient current to flow inside the element. As a result, stable emission of ballistic electrons from the thin-film electrode is possible.

Abstract: A field emission device includes a cathode, an anode, an emitter, a first adjusting electrode, and a second adjusting electrode. The emitter electrically connects to the cathode. The cathode, the first adjusting electrode, and the second adjusting electrode electrically connect to an electrode down-lead. The anode electrically connects another electrode down-lead. The cathode is disposed between the first adjusting electrode and the second adjusting electrode.

Abstract: To provide a light emitter substrate which is characterized in that discharge current reduction performance is excellent, plural phosphors are arranged in an X direction and a Y direction on a substrate, metal backs are arranged on the phosphors, ribs extending in the Y direction are arranged between the phosphors adjacent in the X direction, first resistors to electrically connect the metal backs adjacent in the Y direction are formed on the ribs respectively, and second resistors to electrically connect the metal backs adjacent in the X direction are formed under the ribs respectively.

Abstract: According to an electron emitting element of the present invention, an electron acceleration layer sandwiched between an electrode substrate and a thin-film electrode contains (i) insulating fine particles and (ii) at least one of (a) conductive fine particles having an average particle diameter smaller than an average particle diameter of the insulating fine particles and (b) a basic dispersant. The electron acceleration layer has a surface roughness of 0.2 ?m or less in centerline average roughness (Ra). The thin-film electrode has a film thickness of 100 nm or less. As such, according to the electron emitting element of the present invention, it is possible to reduce the thickness of the thin-film electrode to an appropriate thickness. Accordingly, it is possible to increase electron emission.

Abstract: A field emission cathode device includes an insulative substrate, a number of cathode electrodes, and a number of liner electron emission units. The insulative substrate has a top surface and a bottom surface. The insulative substrate defines a number of openings. The cathode electrodes are located on the bottom surface. Each of the linear electron emission units has a first portion secured between the insulative substrate and one corresponding cathode electrode and a second portion received in one corresponding opening.

Abstract: A method of fabricating a light emitting screen 1 comprises steps of providing a resistance layer 6 having a plurality of apertures arranged in a lattice pattern and having light emitting members each arranged in each of the apertures, on a substrate 2 having an image display region 10 and a peripheral region 11 at an outer periphery of the image display region, such that the resistance layer extends from the image display region to the peripheral region, and such that the plurality of apertures are arranged in the image display region, providing a resistance adjusting layer having a resistance value larger than that of the resistance layer, on the resistance layer, to divide the image display region and the peripheral region into a plurality of segments, and forming a film of an electroconductive layer to cover the resistance layer and the light emitting member positioned in the segments.

Abstract: A display panel includes a vacuum vessel provided with a face plate, a rear plate having a first surface that opposes the face plate at an interval therefrom, a connecting member provided between the face plate and the rear plate and connecting the face plate and the rear plate, and a plurality of plate-like spacers provided between the face plate and the rear plate so that lengthwise directions thereof are parallel to each other. In addition, a plurality of linear fixing members are adhered to the vacuum vessel by a plurality of linear bonding members. The fixing members are adhered to the rear plate by the linear bonding members at mutually prescribed intervals and along the lengthwise direction of the plurality of spacers, with each of the plurality of linear fixing members provided with a plate-like member adhered to the rear plate and a plurality of protruding portions provided on a surface of the plate-like member on an opposite side from the rear plate.

Abstract: An electron emission apparatus includes an insulating substrate, one or more grids located on the substrate, wherein the one or more grids includes: a first, second, third and fourth electrode that are located on the periphery of the gird, wherein the first and the second electrode are parallel to each other, and the third and fourth electrodes are parallel to each other; and one or more electron emission units located on the substrate. Each the electron unit includes at least one electron emitter, and the electron emitter includes a first end, a second end and a gap. At least one electron emission end is located in the gap.

Abstract: A field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.

Abstract: Field emission devices (FEDs) are provided. In one embodiment, an FED includes an electron emitter, a tube spaced apart from the electron emitter and having a first opening and a second opening, and a gate electrode disposed on an outer surface of the tube. The first opening is disposed at one end of the tube adjacent to the electron emitter, and the second opening is disposed at the other end of the tube. The FED further includes an anode that is spaced apart from the second opening and collects secondary electrons emitted from the second opening.

Abstract: A conductive member is provided, surrounding a terminal, on a substrate so that a portion of the conductive member is positioned between wiring and the terminal. The conductive member includes, at an inner edge thereof, multiple portions whose distances from the terminal are different. The multiple portions include a portion whose distance from the terminal is shorter than that of a portion among the plurality of portions that is closest to the wiring.

Abstract: Provided is a field emission device. The field emission device includes an insulated cathode substrate facing an anode substrate, a plurality of cathodes arranged on the cathode substrate and separated from each other, and an emitter formed on each of the cathodes. In order to prevent accumulation of charges on an exposed area of the cathode substrate between the cathodes due to electrons discharged from the emitter, the distance between the cathodes is equal to or smaller than a first threshold value, and the distance from the emitter to the end of the cathode is equal to or greater than a second threshold value. Accordingly, in the field emission device in which a plurality of cathodes are separated from each other on the same plane, it is possible to prevent abnormal field emission and arc generation due to accumulated charges between the cathodes, thereby performing stable operation.

Abstract: A vacuum ultraviolet light emitting device comprising: a luminescence substrate which is composed of a transparent substrate of lithium fluoride, magnesium fluoride, calcium fluoride, barium fluoride or the like, and a metal fluoride thin-film layer formed on the transparent substrate and being a thin-film layer of a metal fluoride such as LuLiF4, LaF3, BaF2 or CaF2, the metal fluoride being doped with atoms of neodymium (Nd), thulium (Tm), erbium (Er) or the like; and an electron beam source such as a thermionic emission gun or a field emission gun, wherein the luminescence substrate and the electron beam source are disposed in a vacuum atmosphere, and the metal fluoride thin-film layer is irradiated with electron beams from the electron beam source to emit light including wavelength components of vacuum ultraviolet light.

Abstract: A method comprising patterning a substrate to form exposed regions of the substrate sized to deter entangled growth of carbon nanotubes thereon and growing vertically aligned nanotubes on the exposed regions of the substrate.

Abstract: A display apparatus according to the present invention has a plurality of electroconductive layers outside of an image display area. Mutually adjacent ones of the electroconductive layers are electrically connected by a resistor. The resistor has a first region, and a second region which is more separated from the image display area than the first region. The area of the second region per unit length in the direction separating from the image display area is smaller than the area of the first region.

Abstract: A method for making a field emission double-plane light source includes following steps. A metallic based network, a pair of anodes, and a number of supporting members, are provided. Each of the anodes includes an anode conductive layer and a fluorescent layer formed on the anode conductive layer. A number of carbon nanotubes, metallic conductive particles, glass particles and getter powders are mixed to form an admixture. The admixture is coated on an upper surface and a bottom surface of the network. The admixture on the upper and bottom surfaces of the network is dried and baked. The anodes, the cathode, and the supporting members are assembled and sealed to obtain the field emission double-plane light source.

Abstract: A display is provided with: a substrate; a plurality of parallel scan wires extending over the substrate in a first direction; a plurality of parallel data wires extending parallel to a surface of the substrate in a second direction perpendicular to the first direction; at least one switching element per intersection between the scan wires and the data wires; pixel electrodes connected to the switching elements; at least one phosphor layer provided above the pixel electrodes; and common electrodes provided above the phosphor layer, and the phosphor layer has a polycrystalline structure made of a first semiconductor material and a second semiconductor material segregated between grain boundaries in the polycrystalline structure, which is different from the first semiconductor material.

Abstract: A field emission device includes: a first substrate on which a gate electrode line, a cathode line, and an electron emission source are formed; a second substrate disposed to face the first substrate, and on which an anode and a phosphor layer are formed; and a side frame surrounding an area between the first substrate and the second substrate, and forming a sealed internal space, wherein the first substrate and the second substrate respectively comprise a first protrusion part and a second protrusion part that protrude outside the side frame in the same direction, wherein a rear terminal part for applying a voltage to the gate electrode line and the cathode line is formed on the first protrusion part, wherein an anode terminal for applying a voltage to the anode is formed on the second protrusion part.

Abstract: A light emission device for simplifying a structure of an electron emission unit and a manufacturing process thereof is provided. A display device using the light emission device as a light source is also provided. The light emission device includes a vacuum panel having a first substrate and a second substrate facing each other. A sealing member is between the first and second substrates. Recess portions each have a depth into a side of the first substrate facing the second substrate. Cathode electrodes are in corresponding recesses. Electron emission regions are on corresponding cathode electrodes. A gate electrode is fixed at one side of the first substrate at a distance from the electron emission regions. A light emission unit is at one side of the second substrate. The gate electrode includes a mesh unit having openings for passing through an electron beam and a supporting member surrounding the mesh unit.

Abstract: The present invention provides an electron emitting element which has good energy efficiency and which is capable of controlling a value of current flowing in an electron acceleration layer and an amount of emitted electrons by adjusting a resistance value of the electron acceleration layer and an amount of generated ballistic electrons. An electron emitting element 1 includes an electron acceleration layer 4 including a fine particle layer containing insulating fine particles. In the electron emitting element 1, Ie=?·R?0.

Abstract: A field effect electron emitting apparatus comprising a substrate, a plurality of wires embedded in the substrate, at least a portion of each wire being exposed from the substrate and extending generally perpendicularly therefrom and including magnetic material, wherein the average wire spacing is less than 30 ?m, the average spacing height ratio is between 1 and 3 and the average wire aspect ratio is greater than 3. Also a method of manufacturing an electron emitting apparatus, a field effect display having such a field effect electron emitting apparatus, an illumination apparatus having such a field effect electron emitting apparatus, and a backlight apparatus for a liquid crystal display having such a field effect electron emitting apparatus.

Abstract: There is provided a light emitter substrate which can suppress halation by forming a rib between adjacent light-emitting members of respectively different light emitting colors, and at the same time can withdraw a potential difference when a discharge occurs between adjacent metal backs, thereby achieving a desired discharging current suppressing capability. For that purpose, the plural parallel ribs protruding from a substrate are formed, a phosphor is provided between the adjacent ribs, plural divided metal backs are disposed respectively on the phosphors in the direction along the ribs, the metal back is connected to a feeding resistor on the rib by means of a connection conductor, and the feeding resistor is covered by a high-resistance cover member.

Abstract: An electron beam apparatus is provided having an electron emitting device which has a simple configuration, exhibits high electron emission efficiency, operates stably, and in which emitted electrons are effectively converged. The electron beam apparatus includes: an insulator having a notch on its surface; a gate positioned on the surface of the insulator; at least one cathode having a protruding portion protruding from an edge of the notch toward the gate, and positioned on the surface of the insulator so that the protruding portion is opposed to the gate; and an anode arranged to be opposed to the protruding portion via the gate, wherein the gate is formed on the surface of the insulator so that at least a part of a region opposed to the cathode is projected outward and recessed portions are provided in which ends of the gate are recessed and interpose the projected region.

Abstract: A flat panel display including: a film electron emitting cathode; and, an anode including: a plurality of pixels, a plurality of TFT circuits, each being associated with a corresponding one of the circuits; and a conductive frame laterally separating the pixels and substantially isolating their respective electric fields.

Abstract: Provided is a field emission device (FED) capable of fine local dimming. In the FED, a cathode substrate is comprised of a plurality of cathode layers, and a plurality of interconnections are disposed on each of the cathode layers, so that fine local dimming is enabled using a plurality of cathode blocks without limiting the number of the cathode blocks. Also, since RC delays of the respective cathode blocks can be synchronized according to the design of the interconnections, current control signals can be simultaneously transmitted to the respective cathode blocks, thereby improving the characteristics of the FED.

Abstract: In a light emitter substrate which has a resistor for connecting electrodes adjacent in a row direction, it aims to improve withstand discharge performance of the resistor. In the substrate comprising a substrate, plural light emitting members which are positioned in matrix on the substrate, plural electrodes each of which covers at least one of the light emitting members and which are positioned in matrix, and a row-direction striped resistor which is positioned between the electrodes adjacent in a column direction and connects the electrodes adjacent in a row direction and the column direction, a row-direction separated distance Gx? between the electrodes adjacent in the row direction at a connecting portion between the electrodes and the resistor is made larger than a row-direction separated distance Gx between the electrodes adjacent in the row direction at a portion covering the light emitting members (Gx?>Gx).

Abstract: Provided are a nano filament structure and a method of forming the nano filament structure. The nano filament structure includes a first layer disposed on a substrate, a second layer having a gap of nanometer size disposed on the first layer, a catalyst layer interposed between the first layer and the second layer, and a nano filament. One end of the nano filament is in contact with the catalyst layer and grows by penetrating the gap of the second layer.

Abstract: A method of preparing a field electron emitter includes preparing an aqueous solution including a carbon nanotube-nucleic acid composite, preparing a substrate to receive the carbon nanotube-nucleic acid composite, and electrophoresis-depositing the carbon nanotube-nucleic acid composite onto the substrate.

Abstract: An electron emission device in an electron beam apparatus includes an insulating member having a recess on a surface thereof, a gate, and a cathode opposed to the gate via the recess. The recess has a depression formed in a surface of the recess.

Abstract: A method of fabricating an electron source having a self-aligned gate aperture is disclosed. A substrate is deposited on a first conductive layer. Over the first conductive layer an emitter layer is deposited. The emitter layer includes one or a plurality of spaced-apart nano-structures and a solid surface with nano-structures protruding above the surface. An insulator is conformally deposited over the emitter layer surface and forms a post from each protruding nano-structure. A second conductive layer is deposited over the insulator and the second conductive layer and the insulator are removed from the nano-structures such that apertures are formed in the second conductive layer and at least the ends of the nano-structures are exposed at the centers of said apertures.

Abstract: An electron beam apparatus 11 comprises a substrate 1, a first electrode wiring 2 formed on the substrate 1, an insulating layer 4 covering the first electrode wiring 2, a second electrode wiring 3 formed on the insulating layer 4 so as to cross the first electrode wiring 2, and on the substrate 1, an electron emitting device 6 located distant from an electrode wiring crossing region 9 where the first electrode wiring 2 and the second electrode wiring 3 cross each other, and connected to both the first electrode wiring 2 and the second electrode wiring 3 so as to receive drive energy from the first electrode wiring 2 and the second electrode wiring 3, wherein a void 5 is formed between the first electrode wiring 2 and the second electrode wiring 3 in at least a part of the electrode wiring crossing region 9.

Abstract: An image display apparatus includes a display panel having an anode and an anode terminal, wherein the anode is disposed at an inside of the display panel, the anode terminal applies a voltage to the anode from an outside of the display panel and includes a portion disposed inside of the display panel and a portion disposed outside of the display panel, and an anode cap attached on an external surface of the display panel for holding an electroconductive wire applying a voltage to the anode terminal. In addition, a fixing member detachably fastens the anode cap, wherein the fixing member has a through hole in which the portion of the anode terminal disposed outside of the display panel is inserted, and the fixing member is fixed to an external surface of the display panel. The anode cap has inside thereof a fastening portion to be detachably fastened by the fixing member.

Abstract: A wiring board has a substrate having a groove on its surface, a first wiring placed in the groove, a plurality of bonding members located at mutually separated positions and each of which bonds the first wiring and the substrate. A gap is located between the first wiring and the surface of the groove.

Abstract: In an image display apparatus using an FED or an organic EL element, image display that is high in illumination uniformity and high in image quality can be performed. A display element with a matrix structure which conducts linear sequential driving which determines the luminance by a current is used, a threshold voltage of a cathode line immediately before one select period has been terminated where a control electrode line is sequentially driven is measured by a threshold voltage measuring section, the measured threshold voltage is recorded for each of the pixels, and a driving signal at the time of selecting the pixel is corrected by using the value of the recorded threshold voltage, to thereby control electric charge that is emitted from a cathode.

Abstract: A field emission display includes a field emission cathode and an anode electrode plate arranged above the field emission cathode. The filed emission cathode includes a substrate, and a plurality of electron-emitting areas spaced apart from each other and arranged on the substrate. Each of the electron-emitting areas includes a cathode, a gate electrode, and a number of first and second conductive lines. The cathode includes a first conductive substrate and a first carbon nanotube assembly having a plurality of carbon nanotubes each having a cathode emitting end having a needle-shaped tip. The gate electrode is faced to the cathode emitting end. The taper-shaped tips of the cathode emitting ends and the gate have a small size and higher aspect ratio, allowing them to bear a larger emission current at a lower voltage.

Abstract: A convex portion 2 having a specific sectional shape is formed on a substrate 1 between electrodes 3 and 4, and a gap 6 is formed on a conductive film 5, connecting the electrodes 3 and 4, on the convex portion 2, whereby the distance from the center of the gap 6 serving as a electron-emitting portion to the stagnation point is reduced so as to enhance an electron emission efficiency.

Abstract: An electron-emitting device of the present invention has an electron-emitting film, and the electron-emitting film is composed of a first layer made of a first material, and a plurality of particles made of a second material whose electric resistivity is lower than that of the first material and provided into the first layer. The first material contains oxygen and nitrogen. A method for manufacturing the electron-emitting device according to the present invention has a step of forming the electron-emitting film, and the electron-emitting film forming step includes a step of forming the plurality of particles made of a second material whose electric resistivity is lower than that of a first material into the first layer made of the first material containing oxygen and nitrogen.

Abstract: The present invention provides an electron-emitting device which does not need a fresh electrode to be added thereto, has excellent convergence and shows little change of a discharged electric current for short and long periods of time, and an image display apparatus using the device. The electron-emitting device includes at least a pair of device electrodes formed on an insulating substrate, and a plurality of electroconductive films which are formed so as to connect the device electrodes to each other and have gaps therein, wherein the surface of a region which is at least adjacent to the gap between the electroconductive films and is not covered with the electroconductive film is higher than the surface of the electroconductive film.

Abstract: It aims to improve, in a light emitter substrate which has a resistor for connecting electrodes adjacent in a row direction, withstand discharge performance of the resistor. In the light emitter substrate which comprises a substrate, plural light-emitting members which are positioned in matrix on the substrate, plural electrodes each of which covers at least one of the light-emitting members and which are positioned in matrix, and a row-direction resistor which is positioned between the electrodes adjacent in the row direction and connects these electrodes to each other, a row-direction separated distance Gx? between the electrodes adjacent in the row direction at a connecting portion between the electrodes and the row-direction resistor is larger than a row-direction separated distance Gx between the electrodes adjacent in the row direction at a portion covering the light-emitting members (Gx?>Gx).

Abstract: In accordance with the invention, there are field emission light emitting devices and methods of making them. The field emission light emitting device can include a plurality of spacers, each connecting a substantially transparent substrate to a backing substrate. The device can also include a plurality of pixels, wherein each of the plurality of pixels can include one or snore first electrodes disposed over the substantially transparent substrate, a light emitting layer disposed over each of the one or more first electrodes, and one or more second electrodes disposed over the backing substrate, wherein the one or more second electrodes and the one or more first electrode are disposed at a predetermined gap in a low pressure region. Each of the plurality of pixels can further include one or more nanocylinder electron emitter arrays disposed over each of the one or more second electrodes.

Abstract: A light emitting device capable of simplifying its manufacturing process and/or suppress vacuum leakage by improving its terminal structure and a display device having the same. The light emitting device includes a first substrate assembly, a second substrate assembly, and a sealing member for bonding the first substrate assembly with the second substrate assembly. The first substrate assembly includes a first substrate main body having recess portions, first electrodes within the recess portions, electron emission regions on the first electrodes, and second electrodes at a distance away from the electron emission regions and fixed to a surface of the first substrate assembly. Here, a first portion of the second electrode including a first end portion of the second electrode is exposed out of a region surrounded by the seal member and out of the seal member and is used as a terminal connected to an external circuit.

Abstract: Disclosed herein is a high frequency, cold cathode, triode-type, field-emitter vacuum tube including a cathode structure, an anode structure spaced from the cathode structure, and a control grid, wherein the cathode structure and the anode structure are formed separately and bonded together with the interposition of spacers, and the control grid is integrated in the anode structure.

Abstract: In an electron beam apparatus including an electron emission element and an anode, the electron emission element includes a gate 5 and a cathode 6 having a projection portion. The gate 5 and the cathode 6 are located in a surface of an insulating member 3 including a recess 7. The projection portion of the cathode 6 has a height distribution, and an average value dav (m) of a shortest distance between the gate 5 and the projection portion of the cathode 6 and a difference h (m) between the average value dav and a shortest distance dmin (m) from the gate 5 to a maximum convex portion of the projection portion of the cathode 6 satisfy a relationship of h/dav<0.39.

Abstract: A planar light source device includes a lower substrate, a cathode electrode a carbon nanotube, an upper substrate, a fluorescent layer, and an anode electrode. The cathode electrode is on the lower substrate. The carbon nanotube is electrically connected to the cathode electrode. The upper substrate faces the lower substrate. The fluorescent layer and the anode electrode are formed on the upper substrate. Therefore, the planar light source device generates light without using mercury.

Abstract: A field emission cathode device includes an insulative substrate, a plurality of cathode electrodes, and a plurality of electron emission units. The insulative substrate has a top surface and a bottom surface. The insulative substrate defines a plurality of openings. The cathode electrodes are located on the bottom surface. Each of the electron emission units has a first portion secured between the insulative substrate and one corresponding cathode electrode and a second portion received in one corresponding opening.