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| Number | Title | Issue Date |
| 8159119 | Vacuum channel transistor and manufacturing method thereof Disclosed are a vacuum channel transistor including a planar cathode layer formed of a material having a low work function or a planar cathode layer including a heat resistant layer formed of a material having a low work function, and a manufacturing method of the s... | 04/17/2012 |
| 8154185 | Diamondoid monolayers as electron emitters Provided are electron emitters based upon diamondoid monolayers, preferably self-assembled higher diamondoid monolayers. High intensity electron emission has been demonstrated employing such diamondoid monolayers, particularly when the monolayers are comprised of hi... | 04/10/2012 |
| 8143774 | Carbon based field emission cathode and method of manufacturing the same According to example embodiments, a method for manufacturing a field emission cathode includes providing a liquid compound comprising a liquid phenolic resin and at least one of a metal salt and a metal oxide arranging a conductive cathode support in a vicinity of t... | 03/27/2012 |
| 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 thin-film electrode. In the electron acceleration layer, as a result of a ... | 02/07/2012 |
| 8080929 | Composite field emission source A method of fabricating a composite field emission source is provided. A first stage of film-forming process is performed by using RF magnetron sputtering, so as to form a nano structure film on a substrate, in which the nano structure film is a petal-like structure... | 12/20/2011 |
| 8030833 | Electron emission device incorporating free standing monocrystalline nanowires One embodiment includes forming a nanowire on a substrate from an organometallic vapor. The nanowire is grown during this formation in a direction away from the substrate and is freestanding during growth. The nanowire has a first dimension of 500 nanometers or less... | 10/04/2011 |
| 8022610 | Electronic device containing carbon nanotubes An electronic device including a pair of electrodes disposed on a substrate and carbon nanotubes electrically connecting the electrodes. A method for manufacturing this device in which the electrodes are disposed on the substrate and the nanotubes are prepared to el... | 09/20/2011 |
| 8013505 | Field emission electron source having a carbon nanotube needle A field emission electron source includes a CNT needle and a conductive base. The CNT needle has an end portion and a broken end portion; the end portion is contacted with and electrically connected to a surface of the conductive base. The CNTs at the broken end por... | 09/06/2011 |
| 8004167 | Electron emitter and a display apparatus utilizing the same A field effect electron emitting apparatus using nano-wire electron emitters is disclosed where each nano-wire electron emitter may be grown in a pore of an insulating layer and/or may have at least a portion exposed from the pore. A method of manufacturing a field ... | 08/23/2011 |
| 7960905 | Diamond electron source having carbon-terminated structure The present invention provides a diamond electron source exerting stable and excellent electron emission characteristics, which can be used for a cold cathode surface structure operable with low voltage and a method for producing the diamond electron source. Specifi... | 06/14/2011 |
| 7960904 | Field emission devices using carbon nanotubes modified by energy, plasma, chemical or mechanical treatment The present invention relates to a field emission device comprising an anode and a cathode, wherein said cathode includes carbon nanotubes nanotubes which have been subjected to energy, plasma, chemical, or mechanical treatment. The present invention also relates to... | 06/14/2011 |
| 7960903 | Electron emission source, its method of fabrication, and an electron emission device using the electron emission source An electron emission source-forming composition includes a carbon-based material; a vehicle composed of a resin component and a solvent component; and at least one metal oxide with an average particle diameter in a range of 100 to 1,000 nm selected from Al2 | 06/14/2011 |
| 7919911 | Image display apparatus By making Nd concentration in the tunneling insulating film 11 smaller than Nd concentration in the base electrode first layer 16, the accumulated electric charge amount in the tunneling insulating film 11 is reduced and afterimage is decreased.... | 04/05/2011 |
| 7902734 | Electron emission element and electron emission element fabrication method An electron emitting device 2 comprises an electron emitting portion 6 made of diamond. At an electron emission current value of 10 μA or more, a deviation of the electron emission current value over one hour is within ±20% in the electron emitting d... | 03/08/2011 |
| 7880373 | Field emission electron source and method for making the same A field emission electron source includes at least one electron emission member. Each electron emission member includes a conductive body and an electron emission layer formed on the conductive body. The conductive body has an upper portion. The electron emission la... | 02/01/2011 |
| 7816847 | Dielectric electron emitter comprising a polycrystalline substance A dielectric device of higher performance is provided. An electron emitter, to which the dielectric device is applied is provided with: an emitter including a dielectric; and an upper electrode and a lower electrode to which drive voltage is applied in order to emit... | 10/19/2010 |
| 7816848 | Surface-conduction electron emitter and electron source using the same A surface-conduction electron emitter includes a substrate, two electrodes disposed on the substrate and parallel to each other, and a plurality of line-shaped carbon nanotube elements fixed on at least one electrode. One end of each carbon nanotube element points t... | 10/19/2010 |
| 7781950 | Field emission element having carbon nanotube and manufacturing method thereof A field emission element includes one supporting wire and at least one field emission layer coated or otherwise formed on an outer surface of the supporting wire. Each field emission layer includes a plurality of carbon nanotubes (CNTs) and is selected from a group ... | 08/24/2010 |
| 7750544 | Electron emitter composition made of an electron emitting substance and an expansion material for expansion of the electron emitting substance This invention provides compositions of matter that contain an electron emitting substance and an expansion material. The expansion material may, for example, be an intercalation compound. When a film is formed from the composition, expansion of the expansion materi... | 07/06/2010 |
| 7741765 | Field emission element and manufacturing method thereof A field emission element includes at least one supporting wire and at least one carbon nanotube wire. The supporting wire and the carbon nanotube wire are twisted together. A method for manufacturing the described field emission element is also provided. The method ... | 06/22/2010 |
| 7723909 | Electron emitter formed of a dielectric material characterized by having high mechanical quality factor A dielectric-film-type electron emitter includes an emitter section, a first electrode, and a second electrode. The emitter section is formed of a thin layer of a polycrystalline dielectric material. The dielectric material constituting the emitter section is formed... | 05/25/2010 |
| 7710008 | Field emission electron source having carbon nanotube and manufacturing method thereof A field emission electron source (10) includes a conductive base (12), a carbon nanotube (14), and a film of metal (16). The conductive base includes a top (122). One end (142) of the carbon nanotube is electrically connecte... | 05/04/2010 |
| 7705527 | Electron-emitting device, electron source, and image-forming apparatus An electron-emitting device includes a pair of oppositely disposed electrodes and an electroconductive film arranged between the electrodes and including a high resistance region. The high resistance region has a deposit containing carbon as a principal ingredient. ... | 04/27/2010 |
| 7687981 | Method for controlled density growth of carbon nanotubes Described is a method for preparation of carbon nanotubes (CNTs) with medium to low-site density growth for use in field emission devices (FEDs). The method involves the deposition of a non-catalytic metal layer (interlayer), preferably a metallic conductor, onto th... | 03/30/2010 |
| 7633216 | Barium-free electrode materials for electric lamps and methods of manufacture thereof A barium-free electron emissive material comprises a barium-free metal oxide composition and operable to emit electrons on excitation. A lamp including an envelope, an electrode including a barium-free electron emissive material and a discharge material, is also dis... | 12/15/2009 |
| 7605527 | Discharge lamp and discharge electrode having an electron-emitting layer including a plurality of protrusions separated by grooves A discharge lamp encompassing a sealed-off tube filled with a discharge gas and a discharge electrode provided in the sealed-off tube. The discharge electrode embraces a supporting base and an electron-emitting layer formed of a wide bandgap semiconductor and provid... | 10/20/2009 |
| 7583016 | Producing method for electron-emitting device and electron source, and image display apparatus utilizing producing method for electron-emitting device The invention is to provide a producing method for an electron emitting device of field emission type, having sufficient on/off characteristics and capable of efficient electron emission at a low voltage. There is provided a producing method for an electron emitting... | 09/01/2009 |
| 7579764 | Field emission electron source having carbon nanotube A field emission electron source (10) includes a conductive base (12), a carbon nanotube (14), and a modifying layer (16). The conductive base includes a top (122). One end (142) of the carbon nanotube is electrically connec... | 08/25/2009 |
| 7576479 | Electron emitter Provided is a piezoelectric-film-type electron emitter of high durability exhibiting suppressed reduction in electron emission quantity, which reduction would otherwise occur with repeated use of the electron emitter. The electron emitter includes a substrate, a low... | 08/18/2009 |
| 7541725 | Electron emission display including a cathode having resistance layer electrically connecting isolation electrodes having electron emission regions to a line electrode An electron emission device includes a substrate, cathode and gate electrodes placed on the substrate in an insulated manner, and electron emission regions electrically connected to the cathode electrodes. Each of the cathode electrodes includes a line electrode hav... | 06/02/2009 |
| 7521851 | Electron emitting composite based on regulated nano-structures and a cold electron source using the composite A field emission electron source includes a substrate, a first conductive electrode terminated to provide electrons, an emitting composite layer for emitting electrons, and a second electrode insulated from the emitter layer and terminated to extract electrons throu... | 04/21/2009 |
| 7511409 | Dielectric film element and composition Provided is a piezoelectric-film-type electron emitter which enables suppression of reduction of electron emission quantity due to repeated use thereof, and which exhibits high durability. The electron emitter includes a substrate; an emitter section formed of a die... | 03/31/2009 |
| 7495378 | Dielectric device A dielectric device of higher performance is provided. An electron emitter to which the dielectric device of the present invention is applied includes an emitter formed by a dielectric, and an upper electrode and a lower electrode to which a drive voltage is applied... | 02/24/2009 |
| 7482739 | Electron emitter comprised of dielectric material mixed with metal A dielectric device of higher performance is provided. An electron emitter, to which the dielectric device is applied is provided with: an emitter including a dielectric; and an upper electrode and a lower electrode to which drive voltage is applied in order to emit... | 01/27/2009 |
| 7468579 | Lighting device with anode including carbon fiber mixed paper A carbon fiber mixed paper 8 obtained by mixing a fiber blend 7, which is obtained by knitting a carbon fiber and a glass fiber, into a paper material is used as the material for an anode that opposes to an electron emission cathode. A phosphor is appl... | 12/23/2008 |
| 7427826 | Electron beam apparatus There provided is an electron beam apparatus of preventing surface creeping discharge from newly arising due to discharge that arises between an anode electrode and an electron-emitting device. In an electron-emitting device including a scan signal device electrode ... | 09/23/2008 |
| 7427765 | Electron beam column for writing shaped electron beams An electron beam column comprises a thermal field emission electron source to generate an electron beam, an electron beam blanker, a beam shaping module, and electron beam optics comprising a plurality of electron beam lenses. In one version, the optical parameters ... | 09/23/2008 |
| 7411341 | Gated nanorod field emitter structures and associated methods of fabrication The present invention relates to gated nanorod field emission devices, wherein such devices have relatively small emitter tip-to-gate distances, thereby providing a relatively high emitter tip density and low turn on voltage. Such methods employ a combination of tra... | 08/12/2008 |
| 7391145 | Cold-cathode electron source, microwave tube using it, and production method thereof A cold-cathode electron source is formed that successfully achieves a high frequency and a high output. Embodiments include a cold-cathode electron source comprising emitters having a tip portion tapered at an aspect ratio R of not less than 4, thereby decreasing ca... | 06/24/2008 |
| 7391144 | Carbon-based composite particle for electron emission device, and method for preparing A carbon-based composite particle for an electron emission source comprises a particle of a material selected from the group consisting of metals, oxides, and ceramic materials; and a carbon-based material such as a carbon nanotube which is partially embedded inside... | 06/24/2008 |
