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Class 313/310 - DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Discharge devices which have a thermionic or emissive cathode.
No. of patents: 832
Last issue date: 04/02/2013


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NumberTitleIssue Date
7154214Structure of a coplanar gate-cathode of a triode CNT-FED and method of manufacturing same
A structure of a coplanar gate-cathode of triode CNT-FED and a manufacturing method thereof by Imprint Lithography and ink jet. The structure includes a substrate, a plurality of cathode layers, a plurality of gate extended layers, a plastic dielectric layer, a plur...
12/26/2006
7150864Ropes comprised of single-walled and double-walled carbon nanotubes
The present invention concerns a method for growing carbon nanotubes using a catalyst system that preferentially promotes the growth of single- and double-wall carbon nanotubes, rather than larger multi-walled carbon nanotubes. Ropes of the carbon nanotubes are form...
12/19/2006
7147529Electron emission material, method of manufacturing the same, and electron emission element including the same
The present invention provides an electron emission material that is excellent in electron emission characteristics, a method of manufacturing the same, as well as an electron emission element. The method is a method of manufacturing an electron emission material in...
12/12/2006
7147533Method of producing electron emitting device using carbon fiber, electron source and image forming apparatus, and ink for producing carbon fiber
The present invention provides a method of producing an electron emitting device using a carbon fiber using a catalyst, capable of preferably growing carbon fibers at a low temperature without the need of a high temperature process for growing the carbon fibers or a...
12/12/2006
7148619Electronic device containing a carbon nanotube
An electronic device in which a substrate with a pair of electrodes is provided and a carbon nanotube is formed or arranged in relation to the electrodes. ...
12/12/2006
7145176Active matrix display device
An active matrix display device using a thin film transistor as a switching element in the displaying portion or driving portion is characterized in that said thin film transistor includes an insulating substrate on which a gate electrode, a gate insulating film, a ...
12/05/2006
7145289Display device, camera, personal computer, and portable telephone
A light-emitting device having the quality of an image high in homogeneity is provided. A printed wiring board (second substrate) (107) is provided facing a substrate (first substrate) (101) that has a luminous element (102) formed thereon. A PW...
12/05/2006
7140942Gated electron emitter having supported gate
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 wa...
11/28/2006
7138753Tetraode field-emission display and method of fabricating the same
A tetraode field-emission display and a method of fabricating the same are disclosed. A mesh is disposed between an anode plate and a cathode plate. The mesh has a gate layer and a converging electrode layer separated by an insulation layer to form a sandwich struct...
11/21/2006
7137860Method for fabricating a field emission display with carbon-based emitter
In a method for fabricating a field emission device, a cathode electrode is first formed on a substrate and an emitter having a carbon-based material is formed on the cathode electrode. After an emitter surface treatment agent is deposited on the substrate to cover ...
11/21/2006
7138157Electron emitting device manufacture method and image display apparatus manufacture method
A method for manufacturing electron emitting devices each having electrodes formed on a substrate and an electroconductive thin film connected between a pair of electrodes and having an electron emitting region is provided which can manufacture electron emitting dev...
11/21/2006
7131886Method of producing fiber, and methods of producing electron-emitting device, electron source, and image display device each using the fiber
A method of producing a fiber, comprising the steps of introducing catalytic particles originally formed in a particle-forming chamber into an arraying chamber together with a carrier gas, to cause the catalytic particles to become arranged on a substrate disposed i...
11/07/2006
7132304Field emission device, display adopting the same and method of manufacturing the same
A field emission device comprises a glass substrate, an emitter electrode formed on the glass substrate, a carbon nanotube (CNT) emitter formed on the emitter electrode, and a gate stack formed around the CNT emitter for extracting electron beams from the CNT emitte...
11/07/2006
7129631Black matrix for flat panel field emission displays
A flat panel field emission device includes a black matrix formed from an electrically insulative material such as praseodymium-manganese oxide. The insulative black matrix increases image contrast and reduces power consumption. For field emission devices which util...
10/31/2006
7129641Display device having a thin film electron source array
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...
10/31/2006
7129626Pixel structure for an edge-emitter field-emission display
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 facep...
10/31/2006
7126597Scanning circuit and image display device
A scanning circuit and an image display device in which the influence of losses in a signal path to scanning wiring and a scanning signal output circuit can be reduced. By considering matrix drive in which one row is driven at a time and two or more of the rows are ...
10/24/2006
7115306Method of horizontally growing carbon nanotubes and device having the same
Provided are a method of growing carbon nanotubes and a carbon nanotube device. The method includes: depositing an aluminum layer on a substrate; forming an insulating layer over the substrate to cover the aluminum layer; patterning the insulating layer and the alum...
10/03/2006
7112472Methods of fabricating a composite carbon nanotube thermal interface device
Embodiments of a composite carbon nanotube structure comprising a number of carbon nanotubes disposed in a matrix comprised of a metal or a metal oxide. The composite carbon nanotube structures may be used as a thermal interface device in a packaged integrated circu...
09/26/2006
7112920Field emission source with plural emitters in an opening
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 o...
09/26/2006
7112366Chemical monolayer and micro-electronic junctions and devices containing same
The present invention includes a chemical monolayer construction that comprises: (a) a substrate having a contact surface; and (b) a plurality of substantially parallel molecular units, wherein said molecular units are attached to said substrate so as to be strongly...
09/26/2006
7112918Microdischarge devices and arrays having tapered microcavities
A microdischarge device has a semiconductor layer, an intermediate layer, and a conductive layer. A tapered cavity is disposed in at least the semiconductor layer. ...
09/26/2006
7109515Carbon containing tips with cylindrically symmetrical carbon containing expanded bases
Systems and methods are described for carbon containing tips with cylindrically symmetrical carbon containing expanded bases. A method includes producing an expanded based carbon containing tip including: fabricating a carbon containing expanded base on a substrate;...
09/19/2006
7104859Methods for manufacturing carbon fibers, electron-emitting device, electron source, image display apparatus, light bulb, and secondary battery using a thermal CVD method
In a method for manufacturing carbon fibers by means of a thermal CVD method through catalysts, the method capable of obtaining a uniform film thickness regardless of a growth position and a growth area on a substrate is provided. The substrate on which a catalyst l...
09/12/2006
7102278Field emission display having carbon-based emitters
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...
09/05/2006
7098505Memory device with multiple memory layers of local charge storage
A multiple memory layer device has a plurality of stacked memory layers. Each of the memory layers has: a charge generating layer of p-type semiconductor material with a plurality of n-type diffusion regions; an insulating layer disposed over the charge generating l...
08/29/2006
7094123Method of manufacturing an electron emitting device with carbon nanotubes
There is provided a method of manufacturing an electron emitting device by disposing a substrate with a catalytic metal film inside a reaction vessel; feeding hydrogen gas and hydrocarbon gas simultaneously into the reaction vessel at a temperature close to room tem...
08/22/2006
7094322Use of self-sustained atmospheric pressure plasma for the scattering and absorption of electromagnetic radiation
A self-sustained atmospheric pressure system for absorbing or scattering electromagnetic waves using a capillary discharge electrode configuration plasma panel and a method for using the same. Of particular interest is the application of this system to vary the leve...
08/22/2006
7095040Electron-emitting device and method of manufacturing the same and display apparatus using the same
An electron-emitting device includes an electron source layer made of a metal, a metal alloy or a semiconductor, an insulating layer formed on the electron source layer and a metal thin film electrode formed on the insulating layer. Electrons are emitted upon applic...
08/22/2006
7095168Electron source forming substrate, and electron source and image display apparatus using the same
An electron source forming substrate comprises an insulating material film provided on a substrate surface, where an electron-emitting device is arranged. The insulating material film contains a metallic oxide and has a vacancy, so that the vacancy suppresses diffus...
08/22/2006
7088049Electron-emitting device and field emission display using the same
An electron-emitting element includes an electric field applying portion comprising of a dielectric formed on a substrate, a first electrode formed on one surface of the electric field applying portion, a second electrode being formed on the surface of the electric ...
08/08/2006
7088037Field emission display device
A system and method for fabricating a FED device is disclosed. The system and method provide for use of PECVD hydrogenation followed by nitrogen plasma treatment of the tip of the current emitter of the FED device. The use of this process greatly reduces the native ...
08/08/2006
7084559Electron-emitting device manufacturing apparatus, solution including metal micro-particles, electron-emitting device, and image displaying apparatus
In an electron-emitting device manufacturing apparatus for forming a surface conduction electron-emitting element by a conductive thin film, a discharge head of a piezo-jet type using a piezoelectric element has a diameter being equal to or less than φ25 μm and je...
08/01/2006
7079123Driving apparatus, driver circuit, and image display apparatus
The present invention can provide a driving apparatus capable of compensating an influence of a voltage drop at low costs in a simple manner, which includes: a column driver circuit that generates at least one of modulation signals different in start reference time ...
07/18/2006
7078716Large area electron source
By using a large area cathode, an electron source can be made that can irradiate a large area more uniformly and more efficiently than currently available devices. The electron emitter can be a carbon film cold cathode, a microtip or some other emitter. It can be pa...
07/18/2006
7078851Cathode ray tube
The indirectly heated cathode structure includes a base metal having a thermal electron emitting material layer, a cylindrical sleeve holding the base metal at one end portion thereof and housing a heating heater in the inside thereof, an support having a large-diam...
07/18/2006
7078855Dielectric light device
A light device includes an electron supply defining an emitter surface. A dielectric tunneling layer is disposed between the electron supply and a cathode layer. The cathode layer has at least partial photon transparency that is substantially uniform across the emit...
07/18/2006
7078863Cold-cathode electron source and field-emission display
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 ...
07/18/2006
7075223Electron beam apparatus with potential specifying plate structure
In an electron beam apparatus including an electron source and an electron beam irradiation member, a potential specifying plate including openings through which an electron transmits is provided between the electron source and the electron beam irradiation member. ...
07/11/2006
7074102Method of manufacturing electron-emitting device, method of manufacturing electron source, and method of manufacturing image display device
A method of manufacturing an electron-emitting device, which has an easy manufacturing process and preferably controls an electron beam diameter. The method includes: arranging on a substrate a member comprising a first electroconductive layer blanketing the substra...
07/11/2006
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