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| Number | Title | Issue Date |
| 7365481 | Field emission device with change in emission property A field emission device having cold cathode devices including an emitter and a lead electrode, and the field emission device is provided with the plural kinds of cold cathode device groups classified based on the emission property of the cold cathode device. This fi... | 04/29/2008 |
| 7362044 | Electron gun for cathode ray tube and cathode ray tube with the same A CRT includes an electron gun that includes a cathode adapted to emit thermal electrons, a first electrode and a second electrode adapted to form a triode portion together with the cathode, a plurality of focusing electrodes, an anode electrode and a subsidiary ele... | 04/22/2008 |
| 7312564 | Cathode ray tube having an electron gun A cathode ray tube has an electron gun oriented along an axis (Z), comprising a quadrupolar device which comprises three electrodes (5, 6, 7). Each electrode possesses a central aperture, a right lateral aperture and a left lateral aperture all three substant... | 12/25/2007 |
| 7268477 | Cathode-ray tube having an electron gun with an improved main focus lens A cathode-ray tube has an electron gun with a main focusing lens, wherein each electrode comprises a rectangular aperture whose large dimension is along the horizontal axis (Ox) and terminating at its two ends in two identical semi-ellipses of order n that are symme... | 09/11/2007 |
| 7265485 | Electron gun assembly for cathode ray tube An electron gun assembly for a cathode ray tube includes a cathode for emitting an electron beam, and a plurality of electrodes mounted in a row with predetermined gaps therebetween. The electrodes include a focus electrode for receiving a focus voltage, and an anod... | 09/04/2007 |
| 7238543 | Methods for marking a bare semiconductor die including applying a tape having energy-markable properties A method used for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The present method comprises reducing the cros... | 07/03/2007 |
| 7215072 | Field-emission electron source, method of manufacturing the same, and image display apparatus A stable field-emission electron source that does not suffer from a current drop even after a high-current density operation for a long time is provided. The field-emission electron source includes: a substrate; an insulating layer that is formed on the substrate an... | 05/08/2007 |
| 7196461 | Structure of electron gun for cathode ray tube The present invention relates in general to a cathode ray tube, more particularly, to a structure of an electron gun for enhancing resolution of a cathode ray tube. The structure of an electron gun for a cathode ray tube of the invention is effective for enhancing t... | 03/27/2007 |
| 7135813 | Color Braun tube apparatus with non-circular electron beam passage aperture A main lens is formed by a focus electrode, an intermediate electrode, and an anode electrode successively arranged in a traveling direction of an electron beam. The focus electrode and the anode electrode respectively have an electron beam passage aperture common t... | 11/14/2006 |
| 7098868 | Display source divider In an implementation of a display source divider, a video generation system generates a video display source that includes display data for multiple display regions on a display device. For example, a gaming system generates a video display source that includes disp... | 08/29/2006 |
| 7094618 | Methods for marking a packaged semiconductor die including applying tape and subsequently marking the tape The present invention provides a method and apparatus for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The pr... | 08/22/2006 |
| 7071605 | Cathode structure for color cathode ray tube The present invention relates to a cathode ray structure for a cathode ray tube, and more particularly, to a cathode structure for a cathode ray tube capable of maximizing thermal efficiency and minimizing power consumption. ... | 07/04/2006 |
| 7067984 | Method and apparatuses for providing uniform electron beams from field emission displays The invention includes field emitters, field emission displays (FEDs), monitors, computer systems and methods employing the same for providing uniform electron beams from cathodes of FED devices. The apparatuses each include electron beam uniformity circuitry. The e... | 06/27/2006 |
| 7045943 | Electron gun for cathode ray tube having third to fifth electrodes with different sized electron beam through holes An electron gun for a cathode ray tube is disclosed, which has a simple structure and can prevent the spot on a screen from being degraded. In the electron gun for a cathode ray tube including a cathode that emits electron beams, a first electrode that controls the ... | 05/16/2006 |
| 7042146 | Electron gun structure for a cathode-ray tube The disclosure describes an electron gun having cathode support structure which comprises an eyelet that surrounds a cathode and is welded to the cathode, and a metal plate 150 substantially parallel to the longitudinal axis of the gun. The metal plate has a ... | 05/09/2006 |
| 7038367 | Electron gun for cathode ray tube including electrodes with different dimensions An electron gun for a cathode ray tube includes a triode portion including cathodes, a first electrode, and a second electrode arranged with predetermined gaps therebetween. A plurality of electrodes arranged in sequence starting from a position adjacent to the seco... | 05/02/2006 |
| 7009333 | Structure of electron gun for color cathode ray tube A cathode ray tube with a reduced beam spot size on a fluorescent screen is obtained by forming electron beam passing holes on the electrodes composing a triode portion of an electron gun to have horizontally and vertically asymmetric shapes. ... | 03/07/2006 |
| 6965192 | Color picture tube apparatus A color picture tube apparatus having an inline electron gun that allows technology for applying a dynamic voltage to an OLF lens to be implemented, while avoiding design difficulties. Eave-shaped electrode plates are attached, parallel with each other in a horizont... | 11/15/2005 |
| 6946784 | Electron gun of monochromic CRT The present invention is to provide an electron gun of a monochromic CRT comprising at least two electron emission sources (e.g., cathodes) for emitting beams having a small beam spot size and being adapted to impinge on the same spot of a screen of the monochromic ... | 09/20/2005 |
| 6943491 | Picture tube device having lead electrode with a curved shape In a picture tube device with a field-emission cold cathode, including a plurality of electron-emitting cathodes, and a lead electrode provided with a plurality of apertures surrounding the plurality of electron-emitting cathodes respectively, a surface of the lead ... | 09/13/2005 |
| 6940231 | Apparatuses for providing uniform electron beams from field emission displays The invention includes field emitters, field emission displays (FEDs), monitors, computer systems and methods employing the same for providing uniform electron beams from cathodes of FED devices. The apparatuses each include electron beam uniformity circuitry. The e... | 09/06/2005 |
| 6930444 | Color selection apparatus including frame supporting tension mask for cathode ray tube A color selection apparatus for a cathode ray tube includes a tension mask including a plurality of electron beam passage apertures; and a frame including a pair of support members provided along opposite sides of the tension mask and applying a tensile force to the... | 08/16/2005 |
| 6922010 | Shadow mask for a cathode ray tube The present invention provides a shadow mask having an improved resistance to an impact such as vibration or dropping so as to keep a constant quality of a color cathode-ray tube. The object is achieved by a shadow mask in which throughholes are formed, each of the ... | 07/26/2005 |
| 6906470 | Method and system for controlling electron beams from field emission cathodes Apparatus and method are provided for using a multi-element field emission cathode in a color cathode ray tube. The field emission cathode may have from four to ten field emission arrays linearly arranged. The arrays are preferably formed from carbon-based material.... | 06/14/2005 |
| 6904671 | Integrated circuit chip handling apparatus and method The present invention provides for an apparatus and method for handling integrated circuit (IC) chips such as thin small outline package (TSOP) IC chips. Embodiments of the invention are directed toward removal of TSOPs from device under test (DUT) boards. By use of... | 06/14/2005 |
| 6903519 | Multi-element field emission cathode Apparatus and method are provided for using a multi-element field emission cathode in a color cathode ray tube. The field emission cathode may have from four to ten field emission arrays linearly arranged. The arrays are preferably formed from carbon-based material.... | 06/07/2005 |
| 6864625 | Color pixel element cathode ray tube Color CRTs, used in large display screens, have a plurality of three color electron beams that are strongly focused so that they crossover and become divergent in both the X and Y axes if the CTR's face. The strength of the focusing determines the size of the illumi... | 03/08/2005 |
| 6853122 | Cathode-ray tube apparatus At least one of the electrodes of an electron gun assembly is constructed by coupling at least first and second electrode members arranged in a direction of passing of electron beams. The first electrode member has a projecting portion on an end face thereof, which ... | 02/08/2005 |
| 6841924 | Low-voltage high-resolution einzel gun A low voltage Einzel gun design maximizes the size of the second main lens to reduce spherical aberrations thereby reducing spot-size and improving focus quality. The gun's final accelerator electrode is formed as an internal conductive coating on the neck, which is... | 01/11/2005 |
| 6833679 | Method for forming an image on a screen of a cathode ray tube Apparatus and method are provided for using a multi-element field emission cathode in a color cathode ray tube. The field emission cathode may have from four to ten field emission arrays linearly arranged. The arrays are preferably formed from carbon-based material.... | 12/21/2004 |
| 6829019 | Picture display device of the index type A picture display device of the index type comprises a cathode ray tube (1) and a display window with a display screen (10) having phosphor patterns comprising parallel aligned phosphor lines (R,G,B), and with an index system (20) having a plura... | 12/07/2004 |
| 6824625 | Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet The invention relates to a magnetostriction control alloy sheet advantageously used as a high resolution shadow mask having a low coefficient of thermal expansion, superior magnetic properties and a high Young's modulus after a blackening process, a manufacturing pr... | 11/30/2004 |
| 6822241 | Emitter device with focusing columns An emitter device including a focusing array with plural focusing columns to focus emissions from one or more emitters onto a target medium. Relative movement between the target medium and the focused emissions allows each focusing column to focus emissions over an ... | 11/23/2004 |
| 6819038 | Double dynamic focus electron gun An electron gun for a cathode ray tube includes at least one auxiliary quadruple lens forming unit adapted to control an electron beam diverging in the vertical direction and focused in the horizontal direction by a plurality of focus electrodes, at least one first ... | 11/16/2004 |
| 6815881 | Color CRT electron gun with progressively reduced electron beam passing aperture size An electron gun includes plural aligned charged grids each having an aperture (in a monochrome CRT) or plural apertures (in a color CRT) through which an electron beam (or beams) is directed. The beams emitted by a cathode sequentially transit a beam forming region ... | 11/09/2004 |
| 6806635 | Fe-Ni-Cr- based alloy strip having improved press-formability and used for electrode of electron gun The Fe—Ni—Cr based alloy strip having improved press-formability is provided. The alloy strip essentially consists of from 15 to 20% of Cr, from 9 to 15% of Ni, the balance being Fe and unavoidable impurities, has 0.03% or less of cleanliness as stipulated under... | 10/19/2004 |
| 6800992 | In-line type electron gun and color picture tube apparatus using the same A focusing electrode and a final accelerating electrode accommodate, respectively, a first and a second field forming electrode in positions set back from a first and a second aperture of their end faces opposed to each other. The first and the second field forming ... | 10/05/2004 |
| 6774554 | Cathode ray tube A cathode ray tube includes a bulb including a front panel and a funnel, and an electron gun. The front panel includes a color selection mechanism and phosphors on an inner surface thereof. The funnel includes a conductive layer on an inner wall thereof. The electro... | 08/10/2004 |
| 6744190 | Cathode ray tube with modified in-line electron gun Cathode ray tube having an electron gun which is modified with respect to the electron gun having three equidistant cathodes lying “in line”. The cathode for generating the green (central) beam is offset with respect to its position in an in-line gun, and the gr... | 06/01/2004 |
| 6710532 | Electron gun in color CRT An electron gun is provided for a CRT. The electrode gun includes three cathodes for emitting electron beams, a plurality of acceleration electrodes, and a focus electrode and an anode. The focus electrode and the anode each include an opposite rim having a single e... | 03/23/2004 |
