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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7982381 | Electron source and image display apparatus An electron source including: a plurality of electron-emitting devices connected to a matrix wiring of scan lines and modulation lines on a substrate, wherein each of the electron-emitting devices includes a cathode electrode connected to the scan line, a gate elect... | 07/19/2011 |
| 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 |
| 7397179 | Flat panel display having reduced line resistance A flat panel display reduces the line resistance of a driving power supply line and prevents a voltage drop in the driving power supply line so as to obtain uniform resolution and luminance. The flat panel display includes a substrate, a display region formed on the... | 07/08/2008 |
| 7358658 | Amorphous diamond materials and associated methods for the use and manufacture thereof An electroluminescence device having improved luminescence per volt input is provided. The device can include a first electrode, a second electrode, a diamond-like carbon layer electrically coupled to at least one of the first electrode or the second electrode, and ... | 04/15/2008 |
| 7348717 | Triode type field emission display with high resolution A triode type field emission display in accordance with the invention includes: a cathode electrode (12) formed on an insulation substrate (10); an insulation layer (13) formed on the cathode electrode; a gate electrode (14) formed on the... | 03/25/2008 |
| 7268361 | Electron emission device The invention provides an electron beam device 1 comprising at least one field emission cathode 3 and at least one extracting electrode 5, whereby the field emission cathode 5 comprises a p-type semiconductor region 7 connected to ... | 09/11/2007 |
| 7268481 | Field emission display with smooth aluminum film This invention provides a conductive aluminum film and method of forming the same, wherein a non-conductive impurity is incorporated into the aluminum film. In one embodiment, the introduction of nitrogen creates an aluminum nitride subphase which pins down hillocks... | 09/11/2007 |
| 7226870 | Forming of oblique trenches A method for forming an oblique recess of minimum dimension smaller than 10 μm in a wafer arranged in a plasma etch reactor in which the plasma extends along the wafer surface, including forming discontinuities in the contour of the plasma and of its sheath in the ... | 06/05/2007 |
| 7078855 | Dielectric 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 |
| 7064476 | Emitter Electron emitters and a method of fabricating emitters are disclosed, having a concentration gradient of impurities, such that the highest concentration of impurities is at the apex of the emitters and decreases toward the base of the emitters. The method comprises ... | 06/20/2006 |
| 7042148 | Field emission display having reduced power requirements and method A field emission display includes a substrate and a plurality of emitters formed on columns on the substrate. The display also includes a porous dielectric layer formed on the substrate and the columns. The porous dielectric layer has an opening formed about each of... | 05/09/2006 |
| 7005782 | Charged particle beam extraction and formation apparatus A charged particle apparatus, with multiple electrically conducting semispheric grid electrodes, the grid electrodes mounted in a dielectric mounting ring, with hidden areas or regions to maintain electrical isolation between the grid electrodes as sputter deposits ... | 02/28/2006 |
| 6953375 | Manufacturing method of a field emission display having porous silicon dioxide insulating layer A field emission display includes a substrate and a plurality of emitters formed on columns on the substrate. The display also includes a porous dielectric layer formed on the substrate and the columns. The porous dielectric layer has an opening formed about each of... | 10/11/2005 |
| 6936967 | Fluorescent lamp and method of manufacturing same Fluorescent lamp (1) having a glass discharge vessel (2) in which a gas is present, which discharge vessel (2) is provided with a tubular end portion (3) having a longitudinal axis, which end portion (3) includes a glass stem (5... | 08/30/2005 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6933665 | Structure and method for field emitter tips Improved methods and structures are provided for an array of vertical geometries which may be used as emitter tips, as a self aligned gate structure surrounding field emitter tips, or as part of a flat panel display. The present invention offers controlled size in e... | 08/23/2005 |
| 6903504 | Electron source plate, image-forming apparatus using the same, and fabricating method thereof A covering layer for insulating between column wirings and device electrodes is formed in a region including each cross point of the column wirings and row wirings and under the column wirings. Thus, when an electron source plate in which a large number of electron-... | 06/07/2005 |
| 6882100 | Dielectric 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... | 04/19/2005 |
| 6825596 | Electron emitters with dopant gradient Electron emitters and a method of fabricating emitters which have a concentration gradient of impurities, such that the highest concentration of impurities is at the apex of the emitters, and decreases toward the base of the emitters. The method comprises the steps ... | 11/30/2004 |
| 6800995 | Image display device An image display device is provided which is capable of increasing a dielectric voltage while reducing a depth and a frame region. The image display device is provided with a rear plate having surface conduction electron-emitting devices that are electron beam sourc... | 10/05/2004 |
| 6762542 | Electron source and image display device An electron source includes a substrate, a coating layer provided on the substrate, plural electron emission elements disposed on the coating layer, and a metal for connecting the plural electron emission elements. The electron emission element includes a conductive... | 07/13/2004 |
| 6756730 | Field emission display utilizing a cathode frame-type gate and anode with alignment method A field emission display (FED) consists of a cathode plate including a plurality of emitter lines formed on a cathode substrate, a gate frame positioned over the cathode plate, the gate frame including a plurality of gate wires, and an anode plate including a plural... | 06/29/2004 |
| 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 conductive layer is held at a first voltage. The lens also includes a second c... | 05/25/2004 |
| 6686678 | Flat panel display having mesh grid A flat panel display having a mesh grid assembly which includes upper and lower spacers integral therein. The flat panel display includes a faceplate and a backplate provided opposing one another with a predetermined gap therebetween to define an exterior... | 02/03/2004 |
| 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 single material. The apertured part is located at the top of t... | 10/21/2003 |
| 6538367 | Field emitting device comprising field-concentrating nanoconductor assembly and method for making the same This invention is predicated on applicants' discovery that a highly oriented nanoconductor structure alone does not guarantee efficient field emission. To the contrary, the conventional densely populated, highly oriented structures actually yield relative... | 03/25/2003 |
| 6522061 | Field emission device with microchannel gain element A field emission device with a micro-channel gain element included a plurality of field emission or "cold" cathodes (102) formed into an array. The cold cathodes are typically modulated by a grid (108) having a driving voltage. A microchannel gain element... | 02/18/2003 |
| 6518590 | Field emission transistor Field emission transistors where either N type or P type devices are made with an insulated gate isolated from both the emitter and the collector. Such devices have input voltage levels that match the output levels, and as such are fully cascadable and in... | 02/11/2003 |
| 6501216 | Focusing electrode for field emission displays and method A display includes a substrate and an emitter formed on the substrate. A first dielectric layer is formed on the substrate to have a thickness slightly less than a height of the emitter above the planar surface and includes an opening formed about the emi... | 12/31/2002 |
| 6492647 | Electron guns 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. The bias on the Wehnelt aperture is reversed from the conventional bias so that it ... | 12/10/2002 |
| 6476548 | Focusing electrode for field emission displays and method A display includes a substrate and an emitter formed on the substrate. A first dielectric layer is formed on the substrate to have a thickness slightly less than a height of the emitter above the planar surface and includes an opening formed about the emi... | 11/05/2002 |
| 6441543 | Flat CRT display that includes a focus electrode as well as multiple anode and deflector electrodes A plurality of field emission device cathodes each generate emission of electrons, which are then controlled and focused using various electrodes to produce an electron beam. Horizontal and vertical deflection techniques, similar to those used within a ca... | 08/27/2002 |
| 6441550 | Carbon-based field emission electron device for high current density applications An electron field emission device is provided by placing a substrate in a reactor, heating the substrate and supplying a mixture of hydrogen and a carbon-containing gas to the reactor while supplying energy to the mixture of gases near the substrate for a... | 08/27/2002 |
| 6420726 | Triode structure field emission device A triode field emission device using a field emission material and a driving method thereof are provided. In this device, gate electrodes serving to take electrons out of a field emission material on cathodes are installed on a substrate below the cathode... | 07/16/2002 |
| 6384541 | Electron-emitting device, electron source, and image-forming apparatus An electron-emitting device comprises 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 ... | 05/07/2002 |
| 6313572 | Electron emission device and production method of the same The present invention provides an electron emission device capable of deflecting emitted electrons to a predetermined direction and preferably emitting electrons with a small drive voltage as well as a production method of the same. The electron emission ... | 11/06/2001 |
| 6300713 | Focusing electrode for field emission displays and method A display includes a substrate and an emitter formed on the substrate. A first dielectric layer is formed on the substrate to have a thickness slightly less than a height of the emitter above the planar surface and includes an opening formed about the emi... | 10/09/2001 |
| 6259190 | Micropoint type cold cathode A micropoint type cold cathode comprises a substrate including an array of micropoints and a plate disposed parallel to the substrate carrying the points. The plate includes a hole facing each point and thereby constitutes a grid. An insulator fills the s... | 07/10/2001 |
| 6255771 | Flashover control structure for field emitter displays and method of making thereof A field emitter device including an insulator structure provided on an upper gate line layer of the device. The insulator structure may surround groups of emitters arranged on adjacent gate lines, groups of emitters arranged on the same gate lines, and/or... | 07/03/2001 |
| 6229258 | Focusing electrode for field emission displays and method A display includes a substrate and an emitter formed on the substrate. A first dielectric layer is formed on the substrate to have a thickness slightly less than a height of the emitter above the planar surface and includes an opening formed about the emi... | 05/08/2001 |
