Abstract: A field emission light source device, comprising: cathode plate comprising substrate and cathode conductive layer disposed on surface of substrate, and anode plate comprising base formed from transparent ceramic material and anode conductive layer disposed on one surface of base, and insulating support member by which cathode plate and anode plate are integrally fixed, and vacuum-tight chamber formed with anode plate, cathode plate and insulating support member; anode conductive layer and the cathode plate are disposed opposite each other. Because of advantages of good electrical conductivity, high light transmittance, stable electron-impact resistance performance and uniform luminescence, using transparent ceramic as the base of the anode plate in the field emission light source device can increase electron beam excitation efficiency effectively, increase light extraction efficiency of the field emission light source device, and finally increase its luminous efficiency.

Abstract: An electron emitting element of the present invention includes an electron acceleration layer sandwiched between an electrode substrate and a thin-film electrode, and the electron acceleration layer includes a fine particle layer containing insulating fine particles and a basic dispersant. This makes it possible to provide an electron emitting element which does not cause insulation breakdown in an insulating layer and which can be produced at a low cost.

Abstract: The present invention provides devices comprising an assembly of carbon nanotubes, and related methods. In some cases, the carbon nanotubes may have enhanced alignment. Devices of the invention may comprise features and/or components which may enhance the emission of electrons and may lower the operating voltage of the devices. Using methods described herein, carbon nanotube assemblies may be manufactured rapidly, at low cost, and over a large surface area. Such devices may be useful in display applications such as field emission devices, or other applications requiring high image quality, low power consumption, and stability over a wide temperature range.

Abstract: A field emission cathode structure includes an insulating substrate, a number of strip cathode electrodes, a number of insulators, a number of strip gate electrodes, a number of electron emission units, and a number of fixing layers. The number of insulators is located among and spaced apart from the number of strip cathode electrodes. The field emission cathode structure further satisfies the following conditions: D1?D2/10, wherein, D1 is defined as a width of each of the number of insulators, and D2 is defined as a distance between centerlines of each two adjacent field emission units of the number of field emission units.

Abstract: A first side has a first surface on which is located a material, at least a portion of which is to be formed into at least one tip. A second side has a second surface which is heated. At least one of the first and second surfaces being moved so material located on the first surface comes into physical contact with the second surface. Then at least one of the first side and the second side are moved, wherein the physical contact between the material and the second surface is maintained, causing the material to stretch between the second surface and the first surface, generating at least one capillary bridge. Movement is continued until the physical contact between the material and the second surface is broken resulting in the formation of at least one sharp conductive tip.

Abstract: Disclosed is an Al alloy film for a display device that, even when low-temperature heat treatment is applied, can realize satisfactorily low electric resistance, can realize a satisfactory reduction in contact resistance between the Al alloy film and a transparent pixel electrode connected directly to the Al alloy film, and has excellent corrosion resistance. The Al alloy film is connected directly to a transparent electroconductive film on the substrate in the display device. The Al alloy film comprises 0.05 to 0.5 atomic % of Co and 0.2 to 1.0 atomic % of Ge and satisfies the requirement that the content of Co and the content of Ge in the Al alloy film have a relationship represented by formula (1): [Ge]??0.25×[Co]+0.2 (1) In formula (1), [Ge] represents the content of Ge in the Al alloy film, atomic %; and [Co] represents the content of Co in the Al alloy film, atomic %.

Abstract: An image display apparatus has a plurality of phosphor films two-dimensionally disposed on a substrate, a matrix-pattern rib formed on the substrate to partition between the phosphor films, a plurality of metal backs each covering at least one phosphor film, and resistance wirings having a sheet resistance higher than that of the metal backs for electrically connecting the plurality of metal backs to each other. The resistance wirings are disposed to the apexes of the matrix-pattern rib and composed of a plurality of column lines and a plurality of row lines, the metal backs have first portions for covering the phosphor films on the substrate and second portions formed along the rib to connect the first portions to the column lines.

Abstract: Described is a micro-fabricated charged particle emission device including a substrate and a plurality of charged particle emission sites formed in the substrate. A path extends between each emission site and a source of liquid metal. Each path is coated with a wetting layer of non-oxidizing metal for wetting the liquid metal. Exemplary non-oxidizing metals that may be used to make the wetting layer include gold and platinum. The wetting layer is sufficiently thin such that some liquid metal is able to flow to each emission site despite any chemical interaction between the liquid metal and the non-oxidizing metal of the wetting layer.

Abstract: A field emission electron source for emitting electrons under applied electric field includes a cold cathode having molecules of an aromatic compound vapor-deposited thereon at a pointed end of said cold cathode.

Abstract: A field emission cathode device includes a substrate, a metal plate attached to the substrate, at least one electron emitter electrical connected with the metal plate, and a filler. The metal plate defines at least one through hole extending through the metal plate. The at least one electron emitter is fixed between the substrate and the metal plate and extends through the at least one through hole. The filler is filled into the at least one through hole to fix the at least one electron emitter.

Abstract: A wireless identification system can include a directed-energy device configured as a reader. The reader can include a charged particle generator configured to generate energized particles and a charge transformer configured to receive the energized particles that include charged particles from the charged particle generator and to output a wavefront including energized particles that include particles having substantially zero charge. The system can also include an identification tag configured to be activated when impinged by the wavefront from the reader so as to transmit a signal configured to be used by the reader. A method of using a directed-energy device as a tag reader in a wireless identification system can include generating a wavefront that includes particles at substantially zero charge, impinging an identification tag with the wavefront so as to activate the identification tag so as to send a signal and detecting a signal transmitted by the identification tag.

Abstract: Carbon Nanotube Films, Layers, Fabrics, Ribbons, Elements and Articles are disclosed. To make various articles, certain embodiments provide a substrate. Preformed nanotubes are applied to a surface of the substrate to create a non-woven fabric of carbon nanotubes. Portions of the non-woven fabric are selectively removed according to a defined pattern to create the article. To make a nanofabric, a substrate is provided. Preformed nanotubes are applied to a surface of the substrate to create a non-woven fabric of carbon nanotubes wherein the non-woven fabric is substantially uniform density. The nanofabrics and articles have characteristics desirable for various electrical systems such as memory circuits and conductive traces and pads.

Abstract: The present invention relates to a field emission planar lighting lamp, which comprises: a base substrate; cathodes disposed on the base substrate; anodes disposed on the base substrate, wherein the cathodes are disposed beside the anodes, each anode has an impacted surface corresponding to the cathodes, and the impacted surface is an inclined plane or a curved plane; a phosphor layer disposed on the impacted surface of the anode; and a front substrate corresponding to the base substrate, wherein the anodes and the cathodes are disposed between the base substrate and the front substrate.

Abstract: A matrix-type cold-cathode electron source device includes: an emitter array (3b) in which a plurality of emitters are arranged, and a gate electrode (5) opposed to the emitter array (3b). The gate electrode (5) includes: an emitter area gate electrode (5c) opposed to the emitter array (3b); a gate address electrode (5a) connecting the emitter area gate electrode (5c) to a gate signal wire (8a); and a high-resistance area (5b) disposed between the gate address electrode (5a) and the emitter area gate electrode (5c).

Abstract: A method for making the electron emission apparatus is provided. In the method, an insulating substrate including a surface is provided. A number of grids are formed on the insulating substrate and defined by a plurality of electrodes. A number of conductive linear structures are fabricated and supported by the electrodes. The number of conductive linear structures are substantially parallel to the surface and each of the grids contains at least one of the conductive linear structures. The conductive linear structures are cut to form a number of electron emitters. Each of the electron emitters has two electron emission ends defining a gap therebetween.

Abstract: The present disclosure provides an electron emitter. The electron emitter includes a carbon nanotube linear compound. The carbon nanotube linear compound includes a conductive linear support and a carbon nanotube pipe. The conductive linear support is located in the carbon nanotube pipe. A plurality of carbon nanotube peaks extends from one end of the electron emitter.

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 grid, 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, the electron emitter includes a first end, a second end and a gap; wherein the first end is electrically connected to one of the plurality of the first electrodes and the second end is electrically connected to one of the plurality of the third electrodes; two electron emission ends are located in the gap, and each electron emission end includes a plurality of electron emission tips.

Abstract: A semiconductor light emitting apparatus includes an elongated hollow wavelength conversion tube that includes an elongated wavelength conversion tube wall having wavelength conversion material, such as phosphor, dispersed therein. A semiconductor light emitting device is oriented to emit light inside the elongated hollow wavelength conversion tube to impinge upon the elongated wavelength conversion tube wall and the wavelength conversion material dispersed therein. The elongated hollow wavelength conversion tube may have an open end, a crimped end, a reflective end, and/or other configurations. Multiples tubes and/or multiple semiconductor light emitting devices may also be used in various configurations. Related assembling methods are also described.

Abstract: A vacuum vessel includes a face plate, a rear plate having an interior surface that opposes the face plate, and a side wall joining 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 an exterior surface of the rear plate on the opposite side from the interior surface at mutually prescribed intervals and along the lengthwise direction of the plurality of spacers.

Abstract: An electron-emitting device includes an electroconductive member and a lanthanum boride layer on the electroconductive member and further includes an oxide layer between the electroconductive member and the lanthanum boride layer. The oxide layer can contain a lanthanum element. The lanthanum boride layer can be overlaid with a lanthanum oxide layer.

Abstract: A field emission device includes a substrate including a groove; a metal electrode disposed on a bottom surface of the groove; and a carbon nanotube (“CNT”) emitter. The CNT emitter includes an intermetallic compound layer disposed on the metal electrode and CNTs disposed on the intermetallic compound layer.

Abstract: A plurality of electron-emitting devices arranged in a matrix, a row wiring that connects electron-emitting portions of electron-emitting devices arranged in the same line to one another, and a column wiring that connects gate connection members of electron-emitting devices arranged in the same column to one another are included. Each of the plurality of gates is positioned at one side of an electron-emitting portion in an arrangement direction in which the plurality of electron-emitting portions are arranged.

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 method for forming a tip for a carbon nanotube wire is introduced. The method includes the following steps. A carbon nanotube wire is provided. A laser beam irradiates the carbon nanotube wire until the carbon nanotube wire is broken off such that the carbon nanotube wire forms a taper-shaped tip. A scan power of the laser beam is in a range from about 1 watt to about 10 watts. A scan speed of the laser beam is equal to or less than 200 millimeters per second.

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 pixel array substrate includes a substrate, a plurality of pixel structures, a plurality of signal lines, a plurality of first traces, a plurality of second traces, a plurality of first conductive structures, and a plurality of second conductive structures. The pixel structures are arranged in array in a display region of the substrate. The signal lines are disposed in the display region and are formed in a first conducting wire layer and are electrically connected to the pixel structures. The first traces and the second traces are disposed in a periphery circuit region of the substrate and are respectively formed in a second conducting wire layer and the first conducting wire layer. A part of the signal lines are electrically connected to the first traces by the first conductive structures. Another of the signal lines are electrically connected to the second traces by the second conductive structures.

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 emission source includes nano-sized acicular materials and a cracked portion formed in at least one portion of the electron emission source. The acicular materials are exposed between inner walls of the cracked portion. A method for preparing the electron emission source, a field emission device including the electron emission source, and a composition for forming the electron emission source are also provided in the present invention.

Abstract: An image display apparatus includes a face plate including a low-potential electrode and a plate-like spacer including a longitudinal-direction end. The low-potential electrode is set at a lower potential than that of a resistive anode and is disposed between the resistive anode and a feed electrode. The longitudinal-direction end of the plate-like spacer is disposed between the resistive anode and the feed electrode so as to overlap the low-potential electrode.

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 field electron emitter includes a thin film layer including a carbon nanotube (“CNT”) disposed on a substrate, wherein the thin film layer includes nucleic acid.

Abstract: There is provided a new electron beam apparatus which improves the instability of an electron emission characteristic and provides a high efficient electron emission characteristic. The electron beam apparatus includes: an insulating member having a recess on its surface; a cathode having a protruding portion extending over the outer surface of the insulating member and the inner surface of the recess; a gate positioned at the outer surface of the insulating member in opposition to the protruding portion; and an anode positioned in opposition to the protruding portion through the gate.

Abstract: A field emission device includes a transparent plate, an insulating substrate, one or more grids located on the insulating substrate. Each grid includes a first, second, third and fourth electrode down-leads and a pixel unit. The first, second, third and fourth electrode down-leads are located on the periphery of the grid. The first and the second electrode down-leads are parallel to each other. The third and the fourth electrode down-leads are parallel to each other. The pixel unit includes a phosphor layer, a first electrode, a second electrode and at least one electron emitter. The first electrode and the second electrode are separately located. The first electrode is electrically connected to the first electrode down-lead, and the second electrode is electrically connected to the third electrode down-lead. The phosphor layer is directly located on the corresponding first electrode.

Abstract: A double-sided light-emitting field emission device and method of manufacturing same, said device comprising at least two transparent conductive layers, mixed field emission layers, and transparent package device. Wherein, the mixed field emission layer of field emission source and phosphor are utilized directly to serve as anode and cathode alternatively, such that on applying an AC power supply, roles of anode and cathode are changed alternatively along with frequency, hereby forming double-sided light-emitting structure. Therefore, the applications of said double-sided light-emitting field emission device are pretty wide, and having advantages of protecting field emission source, activating field emission source, reducing field emission arcing effect, having conductive phosphor, and raising illumination.

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: A matrix-type cold-cathode electron source device includes a mesh structure (8) on which through-holes (9) are formed and drive portions (7a, 7b). The through-hole (9) has an opening diameter of 1/N or less of the alignment pitch of electron source elements (4) and the drive portions (7a, 7b) drive the mesh structure (8) every 1/N of the alignment pitch of the electron source elements (4). Thus it is possible to increase a resolution without reducing the size of an electron source.

Abstract: The present invention relates to a field emission light source device, which includes: a base substrate; at least one cathode strip, disposed over the base substrate; at least one emissive protrusion, disposed over the cathode strip and electrically connected to the cathode strip; an insulating layer, disposed over the cathode strip and having at least one opening to allow the emissive protrusion to protrude out of the opening; at least one anode strip, disposed over the insulating layer, where the cathode strip and the anode strip are arranged into an m×n matrix and the at least one anode strip individually has an impacted surface corresponding to the emissive protrude; and a phosphor layer disposed over the impacted surface. Accordingly, the present invention can enhance light utilization efficiency of a field emission light source device.

Abstract: Provided are a field emission electrode, a method of manufacturing the field emission electrode, and a field emission device including the field emission electrode. The field emission electrode may include a substrate, carbon nanotubes formed on the substrate, and a conductive layer formed on at least a portion of the surface of the substrate. Conductive nanoparticles may be attached to the external walls of the carbon nanotubes.

Abstract: A method for fabrication of substrate having a nano-scale surface roughness is presented. The method comprises: patterning a surface of a substrate to create an array of spaced-apart regions of a light sensitive material; applying a controllable etching to the patterned surface, said controllable etching being of a predetermined duration selected so as to form a pattern with nano-scale features; and removing the light sensitive material, thereby creating a structure with the nano-scale surface roughness. Silanizing such nano-scale roughness surface with hydrophobic molecules results in the creation of super-hydrophobic properties characterized by both a large contact angle and a large tilting angle. Also, deposition of a photo-active material on the nano-scale roughness surface results in a photocathode with enhanced photoemission yield. This method also provides for fabrication of a photocathode insensitive to polarization of incident light.

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: The system and method provided herein for limiting the effects of arcing in field-type electron emitter arrays improves the robustness of such arrays. Field-type electron emitter arrays generally have a substrate, an insulator, and a gating electrode. By including a resistive substance in the gate of the emitter array, arcing events may be isolated to a single emitter such that the remaining emitters of an array can continue electron emission and/or the short circuit current of the arc can be limited.

Abstract: A display panel with secured mechanical reliability comprises: a first plate including a display region having light emitters and a non-display region, a second plate facing the first plate, a first frit portion interposed between the first plate and the second plate and sealing the display region from the outside, and a second frit portion separated from the first frit portion and comprising a plurality of sub-frits isolated from each other, wherein the sub-frits are located between a first line which passes through points closest to edges of the first plate among outer points of the first frit portion with respect to a sealed space and extends parallel to the edges of the first plate and a second line which passes through points furthest from the edges of the first plate among inner points of the first frit portion with respect to the sealed space and extends parallel to the edges of the first plate.

Abstract: A lighting device, comprising at least one solid state light emitter, at least one first lumiphor and at least one second lumiphor which is spaced from the first lumiphor. The solid state light emitter can be a light emitting diode. A method of making a lighting device, comprising positioning at least one second lumiphor spaced from and outside of at least one first lumiphor relative to at least one solid state light emitter. A method of lighting, comprising providing electricity to at least one solid state light emitter in such a lighting device.

Abstract: A binder material, inorganic polymer, is used to formulate carbon nanotube pastes. This material can be cured at 200° C. and has a thermal-stability up to 500° C. Low-out gassing of this binder material makes it a good candidate for long life field emission devices. Due to better adhesion with this binder material, a strong adhesive peelable polymer from liquid form can be applied on the CNT cathode to achieve a uniform activation with even contact and pressure on the surface. The peelable polymer films may be used both as an activation layer and a mask layer to fabricate high-resolution patterned carbon nanotube cathodes for field emission devices using lithographic processes.

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: An ion source using a field emission device is provided. The 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: Provided is a field emission lamp (FEL), which includes a plurality of cathode electrodes formed above a first substrate, an anode electrode formed under a second substrate to face the cathode electrode, a fluorescent layer composed of red, green and blue (RGB) patterns formed alternately on the anode electrode in an oblique direction, and a plurality of emitters formed on the cathode electrodes to correspond to the RGB patterns. According to the present invention, as an FEL having a fast response time is used as a backlight unit, a color breaking phenomenon can be prevented in a color sequential driving method.

Abstract: A method of manufacturing a thin film, including: mixing carbon nanofibers into an elastomer including an unsaturated bond or a group having affinity to the carbon nanofibers, and dispersing the carbon nanofibers by applying a shear force to obtain a carbon fiber composite material; mixing the carbon fiber composite material and a solvent to obtain a coating liquid; and applying the coating liquid to a substrate to form a thin film.

Abstract: A 3-dimension facet light-emitting source device including a transparent container, an anode plate, a cathode plate, a plurality of transparent plates and a low-pressure gas layer is provided. The transparent container has a sealed space. The transparent plates are disposed between the anode plate and the cathode plate, and have a fluorescent layer thereon respectively. The lower pressure gas layer is filled in the sealed space to induce electrons emitting from the cathode plate, and the electrons fly in a direction parallel to the transparent plates and hit each fluorescent layer to emit light, so as to form a set of 3-dimension facet patterns.

Abstract: The specification teaches a device for use in the manufacturing of microelectronic, microoptoelectronic or micromechanical devices (microdevices) in which a contaminant absorption layer improves the life and operation of the microdevice. In a preferred embodiment the invention includes a mechanical supporting base, and discrete deposits of gas absorbing or contaminant removing material on the base by a variety of techniques and a layer for temporary protection of the contaminant removing material on top of the contaminant removing material. Passages are created in the layer which expose the contaminant removing material to atmosphere. The device may be used as a covering for the microdevice as well.