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| Number | Title | Issue Date |
| 7026760 | Source of light and method for regenerating a source of light A light source with a heatable filament (1) or an electrode, with the filament or the electrode being arranged in a bulb (2) or in a tube, is provided with an improved service life by the provision of a depot (3) with at least one chemical eleme... | 04/11/2006 |
| 6979951 | Plasma display panel with improved screen quality The present invention discloses a plasma display panel which can improve screen quality, by dividing a rear substrate into a plurality of regions and by varying a structure of cells in each region, thereby preventing luminance from being reduced according to a proce... | 12/27/2005 |
| 6688934 | Spacers, display devices containing the same, and methods for making and using the same A display device and a method for making and operating the display device are described. The display device comprises a base plate containing at least one emitter, a display screen, and a spacer located between the base plate and display screen, where the... | 02/10/2004 |
| 6603260 | Plasma display panel with a getter material A plasma display panel (PDP) is capable of directly and effectively removing impurities from a discharging space for enhancing the purity of a discharging gas. The PDP has a getter layer formed of at least a portion of a barrier rib. The getter layer is i... | 08/05/2003 |
| 6530814 | Spacers, display devices containing the same, and methods for making and using the same A display device and a method for making and operating the display device are described. The display device comprises a base plate containing at least one emitter, a display screen, and a spacer located between the base plate and display screen, where the... | 03/11/2003 |
| 6380676 | Discharge lamp with end of life arc extinguishing structure A discharge lamp comprises a discharge tube having discharge electrodes (10) at both ends thereof. Two lead wires (8) are connected to each of said electrodes (10) that lead to the outside atmosphere from the inside of the discharge tube. The discharge tu... | 04/30/2002 |
| 6356016 | High-pressure metal-halide lamp that includes a ceramic-carrier oxygen dispenser The invention relates to a high-pressure metal-halide lamp comprising a discharge vessel with an ionizable filling containing Hg, a halide and a rare gas, which vessel includes electrodes with a rod containing substantially W. The lamp, when in operation,... | 03/12/2002 |
| 6194830 | Multi-compartment getter-containing flat-panel device A getter (74) is situated in an auxiliary compartment (72) of a hollow structure (40-46 and 76) having a larger main compartment (70). The auxiliary compartment is situated outside the main compartment and is connected to the main compartment so that the ... | 02/27/2001 |
| 6169361 | Oxygen dispenser for high pressure discharge lamps It is described an oxygen dispenser for use in high pressure discharge lamps. The oxygen dispenser of the invention comprises a metallic container capable of retaining solid materials but allowing an easy passage of gas, containing silver oxide. Several p... | 01/02/2001 |
| 5986405 | High pressure discharge lamp The high pressure discharge lamp has a discharge vessel (1) mounted in an outer envelope (4) in which an oxygen dispenser (30) is disposed. The oxygen dispenser (30) contains silver oxide and may be disposed at a location where it obtains a temperature of... | 11/16/1999 |
| 5977706 | Multi-compartment getter-containing flat-panel device A flat-panel device, typically a flat-panel display, contains a main compartment (46) formed with a first plate structure (40), a second plate structure (42), and an outer wall (44) that extends between the plate structures. A getter (94) is situated in a... | 11/02/1999 |
| 5952780 | Amalgam for use in fluorescent lamps comprising lead, tin, mercury together with another of the group silver, magnesium, copper, nickel, gold and platinum. An amalgam for a fluorescent lamp. The amalgam includes mercury, tin, lead, and another metal selected from the group consisting of silver, magnesium, copper, gold, platinum, and nickel.... | 09/14/1999 |
| 5841220 | Low-pressure mercury discharge lamp A low-pressure mercury discharge lamp is provided with a tubular discharge vessel (10) with end portions (11, 11') having an ionizable filling comprising mercury and rare gas. An electrode (20, 20') is arranged in the discharge vessel at each end portion ... | 11/24/1998 |
| 5788882 | Doped amorphous and crystalline alkaline earth gallates as electroluminescent materials New phosphors based on doped alkaline earth gallates for electroluminescent (EL) display materials. Bright red EL has been obtained in amorphous and crystalline alkaline earth gallates doped with europium. Powder targets of nominal compositions Sr4 | 08/04/1998 |
| 4772821 | Apparatus for introducing oxygen gas An oxygen gas introducing apparatus for introducing oxygen gas into a vacuum electron optical column of an electron beam apparatus having an electron beam source as a cathode that needs the oxygen gas is disclosed which comprises a silver cylinder having ... | 09/20/1988 |
| 4578618 | Low-pressure, hollow cathode lamp The life of a low-pressure, hollow cathode lamp with an oxygen/nitrogen filling is extended by the inclusion of MnO2 which releases oxygen, thereby replenishing oxygen consumption in the lamp.... | 03/25/1986 |
| 4019079 | Gas injected vacuum switch The disclosure relates to a gas injected vacuum switch comprising a housing having an interior chamber, a conduit for evacuating the interior chamber, within the chamber an anode and a cathode spaced from the anode, and a detonator for injecting electrica... | 04/19/1977 |
