Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7948182 | Low-pressure gas discharge lamp with a reduced argon proportion in the gas filling The invention relates to novel gas fillings of low-pressure gas discharge lamps for reducing the starting and arc drop voltages at low Hg vapor pressures. In favor of a mixture consisting of Ne and Kr, the Ar portion of the gas filling is considerably reduced. ... | 05/24/2011 |
| 7683550 | Low-pressure discharge lamp and back light device using the same A low-pressure discharge lamp (1) is provided that includes a glass tube (2) having an inner diameter in a range of 1 to 5 mm and a pair of electrodes (3) disposed at end portions in the glass tube (2). The pair of electrodes (3) c... | 03/23/2010 |
| 7358677 | Low-pressure mercury vapor discharge lamp having determined probability of failure Low-pressure mercury vapor discharge lamp has a discharge vessel (10) enclosing, in a gastight manner, a discharge space (13) provided with a filling of mercury and an inert gas in a gastight manner. The discharge vessel comprising electrodes (20 | 04/15/2008 |
| 7323820 | Metal halide lamp The metal halide lamp has a ceramic discharge vessel and contains two groups of metal halides: a first group made up of the emitters and a second group made up of the wetters. The second group comprises at least one of the metal halides of Mg or Yb. ... | 01/29/2008 |
| 7282862 | High-pressure discharge lamp with mercury chloride having a limited chlorine content The invention relates to a high-pressure discharge lamp with a discharge vessel having a filling comprising—a rare gas, for example argon, —mercury, and —chlorine, wherein the filling quantities of mercury [Hg] and chlorine [Cl] comply with the following condi... | 10/16/2007 |
| 7279841 | Arc tube for a discharge lamp An arc tube for a discharge lamp has a closed chamber filled with rare gas and a metal halide containing at least Na halide or Sc halide, and electrodes, wherein sealing pressure of the rare gas is 0.6 MPa or more, and a sealing density of the Sc halide in the close... | 10/09/2007 |
| 7256546 | Metal halide lamp chemistries with magnesium and indium A metal halide fill for a discharge lamp is provided that is comprised of mercury and a mixture of metal halide salts which includes magnesium iodide as a full or partial replacement for calcium iodide. The replacement of at least some of the calcium iodide improves... | 08/14/2007 |
| 7253568 | High pressure discharge lamp lighting apparatus It is an object of the present invention to provide a high pressure discharge lamp lighting apparatus, has a structure to control decrease of illuminance on a screen which is thought to be a cause of wear of an anode in an early stage of the life span. The high pres... | 08/07/2007 |
| 7245075 | Dimmable metal halide HID lamp with good color consistency Metal halide lighting with good color during dimming may be obtained. An appropriate balance of commonly used metal halides (NaI, DyI3, CeI3, CaI2, TlI) is dosed in the lamp. No mercury is used. A higher than typical xenon fill press... | 07/17/2007 |
| 7230382 | High pressure mercury lamp with vented reflector and image projection apparatus A lamp with a reflector comprises a high pressure discharge lamp and a reflector. The reflector has a first opening and a second opening. Clearance between a sealing portion of the high pressure discharge lamp and the second opening is substantially filled. The seal... | 06/12/2007 |
| 7190118 | Metal halide lamp having ionizable iodide salt A metal halide lamp comprising a substantially cylindrical discharge vessel having an internal diameter Di | 03/13/2007 |
| 7187129 | High pressure gas discharge lamp and method of manufacturing the same High pressure vapor discharge lamp provided with a discharge vessel. The discharge vessel encloses a discharge space provided with a filling of mercury and a rare gas, for example, in a gastight manner. An electrode is arranged in the discharge space for generating ... | 03/06/2007 |
| 7138766 | Dimmable metal halide lamp and lighting method A metal halide lamp in which an arc tube is housed within a bulb having a base at one end thereof. The arc tube includes a main tube, two thin tubes that extend one from each end of the main tube, and a pair of electrode inductors. The main tube and the thin tubes a... | 11/21/2006 |
| 7116049 | Discharge tube with a specific amount of hydrogen gas by volume In a discharge tube of the present invention, a filler gas is composed of a mixture of inert gas and hydrogen gas and an airtight cylinder 10 in which the filler gas is enclosed in an airtight manner is provided. A pair of first and second discharge electrode... | 10/03/2006 |
| 7098597 | Xenon lamp A xenon lamp in which fluctuation of the arc can be suppressed and the time until formation of the flicker phenomenon delayed by having an anode with a flattened or rounded anode tip, a rounded or flattened back end; a portion with a diameter that gradually increase... | 08/29/2006 |
| 7061182 | Metal halide lamp A metal halide lamp has an arc tube including an arc tube container made of an oxide-based translucent ceramic material. The arc tube is filled with cerium halide as a luminescent material and a halide of a rare earth element that is more reactive with the ceramic m... | 06/13/2006 |
| 7012375 | Thallium-free metal halide fill for discharge lamps and discharge lamp containing same A thallium-free metal halide fill for ceramic metal halide lamps is provided wherein the fill comprises mercury, sodium iodide, an alkaline earth iodide selected from calcium iodide, strontium iodide, barium iodide, or combinations thereof, and a rare-earth iodide s... | 03/14/2006 |
| 6979958 | High efficacy metal halide lamp with praseodymium and sodium halides in a configured chamber An arc discharge metal halide lamp for use in selected lighting fixtures having a discharge chamber with light permeable ceramic walls of a selected shape about a discharge region of a selected volume. A pair of electrodes are supported in the discharge region separ... | 12/27/2005 |
| 6960884 | Device for operating a short arc discharge mercury lamp A short arc ultra-high pressure mercury lamp, at least one of the electrodes of which has a melted part towards the electrode head and a coil part which extends from the melted part continuously and integrally with it in a direction away from the electrode head, avo... | 11/01/2005 |
| RE38807 | High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same The present invention provides a high pressure discharge lamp which is provided with a discharge tube containing a pair of electrodes therein and being filled with mercury, an inert gas and a halogen gas, the amount of the mercury filled being 0.12 to 0.35 mg/mm | 10/04/2005 |
| 6946797 | Metal halide fill, and associated lamp A metal halide fill for forming an ionizable fill comprising at least one inert gas, mercury, and at least one halogen, the fill additionally comprising the following constituents: Mn halide and V halide. This fill may in particular be present in the discharge vesse... | 09/20/2005 |
| 6921730 | Glass composition, protective-layer composition, binder composition, and lamp A phosphor layer is composed of tri-band phosphor particles bound together by a binder. A material as the main component of the binder is a mixture of (1) a compound formed by calcium oxide, barium oxide, and boron oxide, and (2) calcium pyrophosphate. Dissolved in ... | 07/26/2005 |
| 6911776 | High-pressure discharge lamp A long-life high-pressure discharge lamp suffers reduced blackening and luminance drop even after it has been turned on over a long period of time, and is arranged to prevent the internal gases from leaking out and also to prevent the lamp bulb from being ruptured. ... | 06/28/2005 |
| 6906461 | Light source device with inner and outer electrodes and liquid crystal display device A light source device includes a discharge tube, a discharge medium sealed inside the discharge tube, and inner and outer electrodes for exciting the discharge medium. The inner electrode is arranged inside the discharge tube. The outer electrode includes a first ou... | 06/14/2005 |
| 6888311 | Ultrahigh pressure mercury lamp with an anode configured to have a high thermal capacity An ultrahigh pressure mercury lamp which is small and has high light radiation intensity and moreover good color reproduction with high efficiency in which, even with a large amount of mercury added, a failure of the mercury to vaporize in the bulb part does not occ... | 05/03/2005 |
| 6861808 | Metal vapor discharge lamp A metal vapor discharge lamp has an arc tube in which mercury, a rare gas, and at least one luminous metal are enclosed, and an outer tube in which a nitrogen gas is enclosed and which covers the arc tube. The metal members which are provided in the outer tube and w... | 03/01/2005 |
| 6844679 | Mercury lamp, lamp unit, method for producing mercury lamp and electric lamp The present invention provides a high-pressure discharge lamp 100 including a luminous bulb 10 enclosing at least a rare gas and halogen in the bulb and made substantially of quartz glass; and an electrode 12 made substantially of tungsten and d... | 01/18/2005 |
| 6841938 | Metal halide lamp Metal halide lamps have a discharge vessel operable at a high coldest spot temperature. The discharge vessel encloses a discharge space comprising an ionizable gas filling and, in addition to Hg, also an alkali iodide of Na of Li or a combination of both. According ... | 01/11/2005 |
| 6841939 | Fluorescent lamp A mercury vapor discharge fluorescent lamp is provided that has a mercury barrier. The mercury barrier is effective to inhibit mercury atoms from absorbing into the glass envelope and amalgamating with sodium atoms in the envelope. The mercury barrier is substantial... | 01/11/2005 |
| 6833677 | 150W-1000W mastercolor ceramic metal halide lamp series with color temperature about 4000K, for high pressure sodium or quartz metal halide retrofit applications The invention relates to a high-pressure discharge lamp of the ceramic metal halide type of the Philips MasterColor® series having power ranges of about 150 W to about 1000 W. Such lamps are provided with a discharge vessel which encloses a discharge space. The dis... | 12/21/2004 |
| 6809478 | Metal halide lamp for automobile headlight A metal halide lamp for an automobile headlight is provided, which includes an arc tube in which a pair of tungsten electrodes are provided at both ends and a metal halide as a main component of a luminescent material and xenon gas as a buffer gas are sealed, wherei... | 10/26/2004 |
| 6717364 | Thallium free—metal halide lamp with magnesium halide filling for improved dimming properties A [thallium free] high pressure ceramic metal halide lamp having superior dimming characteristics with a fill composition including MgI2 and/or MgBr2. ... | 04/06/2004 |
| 6703771 | Monochromatic vacuum ultraviolet light source for photolithography applications based on a high-pressure microhollow cathode discharge A light source with a sealed, light-transmissive tube filled with high pressure gases or high pressure gas mixtures and a microhollow cathode (MHC) discharge capable of excimer production are provided.... | 03/09/2004 |
| 6661175 | Solid lamp fill material and method of dosing hid lamps A solid halogen-containing lamp fill material and a method of introducing small amounts of halogen into a HID lamp are disclosed. The solid material may include an admixture of a metal and a metal halide in the form of spheres of high purity, uniform size... | 12/09/2003 |
| 6657390 | Short-arc discharge lamp To realize high irradiation efficiency and intensity stability for extending lifetime of the short-arc discharge lamp to be used for IC exposure apparatus or the like. For this end, mercury and rare gases are sealed in the inner space 21 of the discharge ... | 12/02/2003 |
| 6630787 | Low-pressure mercury-vapor discharge lamp having electrode shield carrying direct electric current A low-pressure mercury-vapor discharge lamp is provided with a discharge vessel and a first and a second end portion (12a). The discharge vessel encloses a discharge space provided with a filling of mercury and an inert gas in a gastight manner. Each end ... | 10/07/2003 |
| 6628082 | Glow starter for a high pressure discharge lamp A glow starter comprises a discharge vessel, filled with a filling including a rare gas, substantially transmitting ultraviolet rays of about 300 nm or less. A pair of electrodes, which are arranged in the discharge vessel, is adapted and arranged to touc... | 09/30/2003 |
| 6573658 | Mercury lamp of the short arc type and UV emission device A mercury lamp of the short arc type which can stably emit an intense spectrum at a wavelength of 365 nm with an extremely narrowed band region over a long time, and which has an anode and a cathode disposed opposite one another in a silica glass arc tube... | 06/03/2003 |
| 6559607 | Microwave-powered ultraviolet rotating lamp, and process of use thereof The present invention is a microwave excited electrodeless bulb and a process of generating ultraviolet light with a microwave excited electrodeless bulb. A process of generating ultraviolet light with a microwave excited electrodeless bulb in accordance ... | 05/06/2003 |
| 6514420 | Point-of use water treatment system The present invention is directed to a lamp assembly for use in a point-of-use water treatment system or other device. The lamp assembly includes a condensing element to condense mercury in a bulb within the arc path of opposing filaments when the bulb is... | 02/04/2003 |
