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8115187 Triodes using nanofabric articles and methods of making the same  
Vacuum microelectronic devices with carbon nanotube films, layers, ribbons and fabrics are provided. The present invention discloses microelectronic vacuum devices including triode structures that...
8110971 Light emitting element, light emitting device, image display device, method of driving light emitting element, and method of producing light emitting element  
A light emitting element of the present invention includes an electrode substrate; a thin-film electrode; and an electron acceleration layer sandwiched between the electrode substrate and the...
8102108 Low voltage electron source with self aligned gate apertures, fabrication method thereof, and devices using the electron source  
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...
8058789 Cathodoluminescent phosphor lamp having extraction and diffusing grids and base for attachment to standard lighting fixtures  
A light emitting device has a cathode-ray tube and power supply. The cathode-ray tube in an embodiment is optimized for emitting a broad electron beam, in one variation a dome-shaped diffusing grid...
8040038 High frequency, cold cathode, triode-type, field-emitter vacuum tube and process for manufacturing the same  
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,...
8035292 Planar light source device and liquid crystal display device having the same  
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...
7816851 Planar light source device and liquid crystal display device having the same  
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...
7739790 Electron-emitting device manufacturing method, electron source manufacturing method, image-forming apparatus manufacturing method, and information displaying and playing apparatus manufacturing method  
Provided is an electron-emitting device using a carbon fiber as an electronic member. A carbon fiber through which a cathode electrode and a control electrode are short-circuited is removed to...
7714495 Electron emission display having an optically transmissive anode electrode  
An electron emission display includes first and second substrates facing each other, a plurality of election emission regions provided on the first substrate, a black layer formed on a first...
7635944 Electron-emitting device and method for manufacturing same  
An electron-emitting device includes an emitter section composed of a dielectric material, a lower electrode disposed on the lower side of the emitter section, and an upper electrode disposed on...
7498732 Electron emission device with a grid electrode and electron emission display having the same  
An electron emission device includes: a plate; first and second electrodes insulated from each other and arranged having a predetermined shape; an electron emitter connected to one of the first and...
7459843 Electron emission device with multilayered insulating layers  
An electron emission device includes first and second substrates facing each other with a predetermined distance therebetween, and an electron emission region formed on the first substrate. First...
7432644 Electron emission device having expanded outer periphery gate holes  
An electron emission device includes a pair of anode and cathode substrates facing each other, and cathode electrodes, an insulating layer, and gate electrodes sequentially deposited on the cathode...
7400083 Flat panel display device including electron beam sources and control electrodes  
Using a cathode material with which an electron emission having sufficient intensity is obtained with a low electric field, over a back substrate, cathodes and first control electrodes are formed...
7397175 Solid state vacuum devices  
A solid-state vacuum device (SSVD) and method for making the same. In one embodiment, the SSVD forms a triode device comprising a substrate having a cavity formed therein. The SSVD further...
7365493 Device for producing high frequency microwaves  
A device is proposed for producing high-frequency microwaves, having a cathode arrangement with heatable cathodes for emitting electrons, two grating arrangements for controlling and focusing the...
7362045 Field emission display having grid plate  
A field emission display includes a first substrate and a second substrate that face one another with a predetermined gap therebetween. An electron emission assembly that emits electrons by...
7319287 Electron emission device with grid electrode  
The present invention relates to an electron emission device in which a high voltage can be properly applied to anode electrodes by improving a pattern of apertures of a grid electrode to reduce a...
7309954 Field emission display having gate plate  
The present invention relates to a field emission display in which a gate plate having a gate hole and a gate electrode around the gate hole is formed between an anode plate having phosphor and a...
7196464 Light emitting cell and method for emitting light  
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...
7079093 Organic light emitting diodes display  
An organic light emitting diodes display device includes a number of data lines, scan lines, and cathode electrodes. These scan lines are perpendicular to the data lines to form a number of pixels,...
7005783 Solid state vacuum devices and method for making the same  
A solid state vacuum device (SSVD) and method for making the same. In one embodiment, the SSVD forms a triode device comprising a substrate having a cavity formed therein. The SSVD further...
6822388 Display device with plate-like control electrodes  
A display device of the present invention reduces the occurrence of cracks and breaking of plate-like control electrodes, enhances the operability of assembling and suppresses the reduction of a...
6803725 On-chip vacuum microtube device and method for making such device  
In accordance with the invention, improved vacuum microtube devices are provided with arrangements for tunably spacing the gate and the cathode. Tuning can be effected by using an electrostaic or...
6741016 Focusing lens for electron emitter with shield layer  
An electron lens is used for focusing electrons from a cathode to an anode. The lens includes a first conductive layer with a first opening at a first distance from the cathode. The first...
6727637 Buffered resist profile etch of a field emission device structure  
A field emission device comprises an emitter tip that is optionally formed from and integral with an emitter layer. The emitter tip has a base, an apex, and an exterior surface having a profile...
6682382 Method for making wires with a specific cross section for a field emission display  
A method of making a wire for a gate frame of a field emission display including the step of forming a gate wire of a gate frame of a field emission display, wherein the gate wire has a cross...
6664720 Temperature compensated gun  
The invention relates to linear beam amplification devices having an electron emitting cathode and an RF modulated grid closely spaced therefrom, and more particularly, to a novel support structure...
6635978 Electron tube with axial beam and pyrolitic graphite grid  
A grid for an electron tube with an axial beam which includes an apertured part through which the electrons of the beam are intended to pass. The grid is in the form of a bell and is made of a...
6611094 Double-faced vacuum fluorescent display device and method for driving same  
A simple and slim double-faced vacuum fluorescent display device has no grid, thereby lowing the power consumption and fabrication cost thereof. Anode electrodes on one of the front plate and the...
6518699 Field emission display having reduced optical sensitivity and method  
An emitter substructure and methods for manufacturing the substructure are described. A substrate has a p-region formed at a surface of the substrate. A n-tank is formed such that the p-region...
6515482 Ionization vacuum gauge  
An ionization vacuum gauge which can stably perform measurements of pressure in the intermediate vacuum to high vacuum regions, that is performed by an ionization-type first measurement element, as...
6400090 Electron emitters for lithography tools  
The specification describes a method and apparatus for electron beam lithography wherein a Wehnelt electron gun is modified to improve the uniformity of the electron beam. A mesh grid is applied to...
6380803 Linear amplifier having discrete resonant circuit elements and providing near-constant efficiency across a wide range of output power  
A linear amplifier comprises an electron gun assembly having a cathode, and an anode spaced from the cathode. A relatively high voltage potential is applied between the anode and the cathode, and...
6304033 Electron beam tube having a DC power lead with a damping structure  
An electron beam tube (1) having an input resonator cavity (2) through which a high-frequency control voltage is applied between cathode (15) and grid (17) of the tube (1), while an annular...
6297584 Precision alignment of microcolumn tip to a micron-size extractor aperture  
A method and an accompanied apparatus for aligning an electron emitter with an extractor hole of a microcolumn. Four V-grooves, defined together with the window for forming the membrane and having...
6133786 Low impedance grid-anode interaction region for an inductive output amplifier  
A linear beam amplification device includes an axially centered electron emitting cathode and an anode spaced therefrom. The cathode provides an electron beam in response to a relatively high...
6010918 Gate electrode structure for field emission devices and method of making  
Field emission devices may include emitter wells formed in a body of dielectric material. A gate conductor may be provided along the upper surface of the dielectric material. A gate hole may be...
5986627 Flat-panel type picture display device with electron propagation ducts  
Flat-panel type picture display device having a luminescent screen and a large number of electron propagation ducts operating by means of electron wall interaction. Electrons are withdrawn from the...
5936335 Electron gun having a grid  
The present invention relates to an electron gun having a grid and a cathode with the cathode having an emissive part (12) which defines a central hole (11) in order to reduce spurious electron...
5932972 Electron gun for a multiple beam klystron  
An electron gun provides multiple convergent beamlets in a rectilinear flow for use in multiple drift tubes of a multiple beam klystron. The electron gun comprises a cathode having a concave...
5920151 Structure and fabrication of electron-emitting device having focus coating contacted through underlying access conductor  
An electron-emitting device contains an electron focusing system (37 or 37A) formed with a base focusing structure (38 or 38A), a focus coating (39 or 39A), and an access conductor (106 or 116)....
5841219 Microminiature thermionic vacuum tube  
An integrated circuit vacuum tube array includes an insulating or highly resistive substrate, electrically conductive materials disposed on the substrate to define and surround a plurality of first...
5767625 High frequency vacuum tube with closely spaced cathode and non-emissive grid  
A vacuum tube for handling an r.f. signal having a predetermined frequency range comprises a cathode, a heater, and a non-electron emissive grid. The grid is positioned from the cathode by the...
5754008 Device for creating a beam of adjustable-energy ions particularly for sequential vacuum treatment of surfaces with large dimensions  
A device for generating an ion beam, particularly for the continuous processing of large surfaces, includes an ionising chamber with a gas being fed thereinto to be acted upon by a high frequency...
5682084 Grid electron tube with a folded cavity structure  
An electron tube includes cylindrical electrodes which are mounted coaxially. The electrodes include a cathode surrounded by a grid, with the cathode and the grid defining an input resonant cavity...
5650751 Inductive output tube with multistage depressed collector electrodes providing a near-constant efficiency  
A high efficiency linear amplifier comprises an electron gun assembly having a cathode and an anode, the cathode being operable at a relatively high voltage potential relative to the anode to form...
5644187 Collimating extraction grid conductor and method  
A an electron source utilizes a novel extraction grid conductor (20,40,41) to assist in focusing an electron beam emitted by the electron source. The extraction grid conductor (20,40,41) has a...
5589736 Frequency multiplier including grid having plural segments  
The frequency of an AC signal is multiplied by a factor N, where N is an integer greater than one, by an electron tube including a cathode for emitting an electron beam and a grid including N...
5545947 Multiple surface high voltage structure for a gas discharge closing switch  
A gas discharge closing switch has a high voltage anode structure containing a plurality of surface elements facing substantially toward a cathode and spaced from each other to define gaps...
Matches 1 - 50 out of 187 1 2 3 4 >