Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8188645 | Hot cathode and ion source including the same A hot cathode includes: a hollow external conductor; a hollow internal conductor which is placed coaxially inside the external conductor; and a connection conductor which electrically connects tip end portions of the conductors. A heating current is folded back thro... | 05/29/2012 |
| 8125131 | Nano filament structure and methods of forming the same 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 interp... | 02/28/2012 |
| 8125132 | Display apparatus A display apparatus comprises: a rear plate which has an electron-emitting device; a face plate which has an anode electrode and a potential defining electrode; and a plate spacer which is opposite to the anode electrode and the potential defining electrode, between... | 02/28/2012 |
| 8089205 | Wiring board with groove in which wiring can move, image display apparatus, and image reproducing apparatus 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 ... | 01/03/2012 |
| 8084927 | Thermal electron emitter and thermal electron emission device using the same A thermal electron emitter includes at least one carbon nanotube twisted wire and a plurality of electron emission particles mixed with the twisted wire. The carbon nanotube twisted wire comprises a plurality of carbon nanotubes. A work function of the electron emis... | 12/27/2011 |
| 8080928 | Electron-emitting device and image display apparatus using the same 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... | 12/20/2011 |
| 8072126 | Field electron emission source having carbon nanotubes and method for manufacturing the same An exemplary method for manufacturing a field electron emission source includes: providing a substrate (102); depositing a cathode layer (104) on a surface of the substrate; providing a carbon nanotube paste, coating the carbon nanotube paste on the ca... | 12/06/2011 |
| 8072127 | Thermionic electron emission device A thermionic electron emission device includes an insulating substrate, and one or more grids located thereon. The one or more grids include(s) a first, second, third and fourth electrode down-leads located on the periphery thereof, and a thermionic electron emissio... | 12/06/2011 |
| 8058787 | Carbon-fiber web structure type field emitter electrode and fabrication method of the same The present invention provides a field emitter electrode and a method for fabricating the same. The method comprises the steps of mixing a carbonizable polymer, carbon nanotubes and a solvent to prepare a carbon nanotube-containing polymer solution, electrospinning ... | 11/15/2011 |
| 8053967 | Electron emission device and display device using the same An electron emission device includes a cathode electrode and a gate electrode, the gate electrode is separated and insulated from the cathode electrode, the gate electrode is a carbon nanotube layer, and the carbon nanotube layer includes a plurality of carbon nanot... | 11/08/2011 |
| 8022609 | Thermal field emission cathode A thermal field emission cathode which is employed in an electron microscope, a critical dimension examine tool, an electron beam lithograph machine, an electron beam tester and other electron beam related systems as an electron source is disclosed. Embodiments disc... | 09/20/2011 |
| 7982382 | Thermionic electron source A thermionic electron source includes a substrate, at least two electrodes, and a thermionic emitter. The electrodes are electrically connected to the thermionic emitter. The thermionic emitter has a film structure. Wherein there a space is defined between the therm... | 07/19/2011 |
| 7973461 | Light emitting device and display device using the same A light emitting device and a display device using the same. The light emitting device includes: a substrate provided with recesses formed in a stripe pattern; first electrodes disposed inside the recesses in a stripe pattern aligned parallel to the recesses; electr... | 07/05/2011 |
| 7973460 | Composition for forming electron emitter, electron emitter formed using the composition, electron emission device having the emitter, and backlight unit having the emitter A composition for forming an electron emitter, an electron emitter formed using the composition, and a backlight unit including the electron emitter, where dispersion of the electron emission material in the composition is increased, and the composition includes an ... | 07/05/2011 |
| 7915798 | Thermionic emission device A thermionic emission device includes an insulating substrate, and one or more grids located thereon. Each grid includes a first, second, third and fourth electrode down-leads located on the periphery thereof, and a thermionic electron emission unit therein. The fir... | 03/29/2011 |
| 7915797 | Thermionic electron source A thermionic electron source includes a substrate, two electrodes, and a thermionic emitter. The thermionic emitter is electrically connected to the two electrodes. The substrate has a recess formed on a surface thereof, and the thermionic emitter is located on the ... | 03/29/2011 |
| 7872407 | Field emission cathode having successive and oriented carbon nanotube bundles A field emission cathode includes a conductive substrate and a carbon nanotube film disposed on a surface of the conductive substrate. The carbon nanotube film includes a plurality of successive and oriented carbon nanotube bundles parallel to the conductive substra... | 01/18/2011 |
| 7855496 | Boron nitride nanotube paste composition, electron emission source including the same, electron emission device including the electron emission source, and backlight unit and electron emission display device including the electron emission device Boron nitride nanotube paste compositions, electron emission sources including the same, electron emission devices including the same and backlight units and electron emission display devices including the same are provided. A boron nitride nanotube paste compositio... | 12/21/2010 |
| 7843118 | Electron-emitting device, electron source using the same, image display apparatus, and information displaying and reproducing apparatus An electron-emitting device is provided with improved electron emitting efficiency. An electron-emitting device includes first and second electroconductive films disposed on a surface of a substrate in opposition to each other to form a gap between ends of the first... | 11/30/2010 |
| 7834530 | Carbon nanotube high-current-density field emitters High-current density field emission sources using arrays of nanofeatures bundles and methods of manufacturing such field emission sources are provided. Variable field emission performance is provided with the variance in the bundle diameter and the inter-bundle spac... | 11/16/2010 |
| 7759851 | Cathode structure for emissive screen This invention relates to a triode type cathode structure comprising, in superposition, an electrode forming a cathode (13) and supporting means made of an electron emitting material in the form of a layer (14), an electrical insulation layer (11 | 07/20/2010 |
| 7755264 | Composition for formatting an electron emission source for use in an electron emission device and an electron emission source fabricated using the same The present invention relates to a composition for formatting an electron emission source of an electron emission device, and an electron emission source comprising the same. The composition comprises a paste comprising multi-walled carbon nanotubes exhibiting an RB... | 07/13/2010 |
| 7741764 | DLC emitter devices and associated methods Diamond-like carbon field emission surfaces, including associated devices and methods for using such devices are disclosed. In one aspect, for example, a field emission surface is provided, including a smooth layer of diamond-like carbon disposed on a smooth substra... | 06/22/2010 |
| 7737614 | Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device An object is to provide an electron emission cathode and an electron emission source using diamond and having a high brightness and a small energy width that are suitable for electron ray and electron beam devices and vacuum tubes, in particular, electron microscope... | 06/15/2010 |
| 7728496 | Electron emission device having curved surface electron emission region An electron emission device includes first and second substrates opposing one another with a gap therebetween. Cathode electrodes are formed on the first substrate. An insulation layer is formed covering the cathode electrodes and having apertures. Gate electrodes a... | 06/01/2010 |
| 7728497 | Carbon nanotube, electron emission source including the carbon nanotube, electron emission device including the electron emission source, and method of manufacturing the electron emission device Provided are a carbon nanotube in which a difference between a thermal decomposition initiation temperature and a thermal decomposition termination temperature is less than or equal to approximately 250° C., an electron emission source including the carbon nanotube... | 06/01/2010 |
| 7714493 | Field emission device and field emission display employing the same A field emission device (6), in accordance with a preferred embodiment, includes a cathode electrode (61), a gate electrode (64), a separator (62), and a number of emissive units (63) composed of an emissive material. The separator... | 05/11/2010 |
| 7701123 | Electron source for ionization with leakage current suppression An electron source includes a first electrode, a second electrode, a thermionic element interposed between and electrically isolated from the first electrode and the second electrode, and a guard electrode interposed between and electrically isolated from the first ... | 04/20/2010 |
| 7586249 | Field emission device and method for making the same A field emission device (10) includes a base (12), a conductive paste (16), and at least one carbon nanotube yarn (14). The at least one carbon nanotube yarn is attached to the base using the conductive paste. This avoids separation of th... | 09/08/2009 |
| 7579763 | Electron emission device having electrodes with line portions and subsidiary electrode An electron emission device includes a first substrate and a second substrate facing the first substrate. A first electrode and a second electrode are formed on the first substrate and insulated from each other. Electron emission regions are electrically connected t... | 08/25/2009 |
| 7573187 | Electron emission device and electron emission display having the electron emission device An electron emission device and an electron emission display having the electron emission device. The electron emission device includes a substrate, a cathode electrode disposed on the substrate, and an electron emission region electrically connected to the cathode ... | 08/11/2009 |
| 7567025 | Plasma display panel apparatus with a film filter on panel Disclosed is a plasma display panel (PDP) apparatus having a film-type filter and a filter support structure for supporting and fixing the film-type filer to a panel of the PDP apparatus. The PDP apparatus includes a panel divided into a display region and a non-dis... | 07/28/2009 |
| 7535160 | Electron emission device and electron emission display having the electron emission device An electron emission device that includes a substrate, at least one electron emission region, and at least one cathode electrode disposed on the substrate and electrically connected to the electron emission region, wherein the cathode electrode has a first electrode... | 05/19/2009 |
| 7531950 | Field emission device and its method of fabrication A field emission device has an improved structure in which electron emission from a cathode is enhanced through external light radiation. The field emission device includes: a light transmitting substrate; a cathode unit arranged on the light transmitting substrate ... | 05/12/2009 |
| 7474042 | Magnetron with graphite nano-fibers on cathode A cathode substrate 10 is heated to 400 to 600° C. in the atmosphere of hydrocarbon gas such as methane and the gas is allowed to react with the surface of the cathode substrate 10 by a thermal CVD method. Thus, an electron emission source in which gr... | 01/06/2009 |
| 7471035 | Internal conductively-heated cathode The present invention relates to an internally heated cathode. More specifically, the internally heated cathode that comprises an a cavity structure, where at least a portion of the cavity structure forms an emission material portion, the cavity structure defining a... | 12/30/2008 |
| 7459839 | Low voltage electron source with self aligned gate apertures, and luminous display using the electron source An electron source include a first cathode electrode disposed over a substrate and terminated to provide electrons; an emitter layer disposed over the cathode electrode and formed from one or plurality vertically aligned and mono-dispersed nano-structures that are t... | 12/02/2008 |
| 7443090 | Surface-emission cathodes having cantilevered electrodes A surface-emission cathode formed on an insulating surface having cantilevered, i.e. “undercut,” electrodes. Suitable insulating surfaces include negative electron affinity (NEA) insulators such as glass or diamond. The cathode can operate in a comprised vacuum ... | 10/28/2008 |
| 7436111 | Electron emission device An electron emission display device is capable of focusing electrons emitted from an electron emission region by using small gate holes formed on a thick insulating layer. The electron emission device includes a substrate, a cathode electrode formed on the substrate... | 10/14/2008 |
| 7432645 | Electron emission device and electron emission display using the same Disclosed is an electron emission device and an electron emission display using the same, wherein the electron emission device has an improved structure for focusing an electron beam. The electron emission device comprises: first and second electrodes formed on a pl... | 10/07/2008 |
