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| Number | Title | Issue Date |
| 8125152 | Light source apparatus and liquid crystal display A liquid crystal display and a light source apparatus capable of improving color reproduction compared to related arts without declining intensity. A light source apparatus includes: a cold cathode fluorescent tube including a B phosphor for blue and a G phosphor fo... | 02/28/2012 |
| 7977886 | Mercury-free discharge bulb There is provided a mercury-free discharge bulb for a vehicle. The mercury-free discharge bulb includes an arc tube. The arc tube includes: a light-emitting portion which is formed of a ceramic tube and includes a light-emitting material and a starting xenon gas fil... | 07/12/2011 |
| 7973482 | High-pressure discharge lamp with halogens A high-pressure discharge lamp with an axial symmetry axis and metal halogenide filling has electrodes with shafts designed as pins with a diameter of 0.5 to 1.15 mm. The halogen for the halogenide is composed of iodine and possibly bromine components, iodine being ... | 07/05/2011 |
| 7923932 | Short metal vapor ceramic lamp A high intensity arc discharge lamp having a short metal seal plug running hotter than typical of capillary seals, enables a lamp with a metal fill to achieve a vapor pressure higher than the one set by the cold spot temperature typically of a capillary seal lamp. C... | 04/12/2011 |
| 7825598 | Mercury-free discharge compositions and lamps incorporating Titanium, Zirconium, and Hafnium A mercury-free discharge composition is provided. The mercury-free discharge composition may include Titanium, Zirconium, Hafnium, or combinations thereof, and a halogen. The composition may be capable of emitting radiation if excited, and the composition may produc... | 11/02/2010 |
| 7679290 | Metal halide lamp with light-transmitting ceramic arc tube A metal halide lamp according to the present invention includes: a main tube (6) made of a light-transmitting ceramic and forming a part of an arc tube; a first thin tube (7a) coupled to a first end of the main tube (6); a second thin tub... | 03/16/2010 |
| 7649320 | Lamp with improved lamp profile A lamp, containing ≦100 ppm Hg, includes a burner chamber having an axis, the axis having a section ≧0.05 mm. The burner chamber has a recess oriented toward a light arc produced in the burning chamber to suppress arc curvature. The lamp has an arc-luminescence ... | 01/19/2010 |
| 7633228 | Mercury-free metal halide discharge lamp A metal halide discharge lamp comprises a lamp body and a chamber formed within the body. A pair of electrodes extends into the chamber and have electrode tips spaced apart from one another. A discharge medium composition is sealed within the chamber that generates ... | 12/15/2009 |
| 7595593 | Metal halide lamp with an ionizable fill with vanadium and rare earths, excluding manganese A metal halide fill for forming an ionizable fill comprises at least one inert gas, mercury and metal halides, the fill comprising the constituents V halide, Cs halide, Tl halide and halides of the rare earths. This fill may in particular be contained in the dischar... | 09/29/2009 |
| 7583028 | Mercury free arc tube for a discharge lamp A mercury free arc tube for a discharge lamp has a closed chamber filled with rare gas and a metal halide containing at least Na halide, Sc halide and In halide, and electrodes. A ratio of a filled amount of the In halide to a total filled amount of metal halide is ... | 09/01/2009 |
| 7583029 | High temperature operation type electrodeless bulb of plasma lighting systems and plasma lighting system having the same A high temperature operation type electrodeless bulb of a plasma lighting system includes: a luminous unit defining a space for enclosing luminous materials, and made of glass having selective permeability that transmits visible light generated from the luminous uni... | 09/01/2009 |
| 7573203 | Mercury-free high-pressure discharge lamp and luminaire using the same A mercury-free high-pressure discharge lamp includes a light-transmissive airtight envelope enclosing therein a discharge space, and a pair of electrodes sealed inside the light-transmissive airtight envelope and facing the discharge space, and the primary halide in... | 08/11/2009 |
| 7545100 | Metal halide lamp A metal halide fill for forming an ionizable fill comprises at least one inert gas, mercury and metal halides, the fill comprising the constituents In halide, Na halide, Tl halide and halides of the rare earths. This fill may in particular be contained in the discha... | 06/09/2009 |
| 7468584 | Discharge lamp with a discharge filling having a measured emission intensity of argon to OH radicals and method of manufacturing the same Process for producing a discharge lamp having a silica discharge vessel with an emission space in which there is a pair of electrodes at least 0.15 mg/mm3 of mercury, argon (Ar), and halogen by measuring the relation b/a1 between the emission intensity a | 12/23/2008 |
| 7419621 | UV-emitting phosphor and lamp containing same A UV-emitting phosphor is described wherein the phosphor is excitable by vacuum ultraviolet radiation (VUV). The phosphor is a gadolinium-activated strontium magnesium aluminate which preferably has an excitation maximum at about 172 nm. The phosphor exhibits a narr... | 09/02/2008 |
| 7417375 | Mercury free metal halide lamp In a metal halide lamp, xenon gas having a pressure of at least 3 atmospheres at room temperature and at least a metal halide including indium iodide are sealed in a discharge space not containing mercury. If the volume of the discharge space is denoted by V (mm | 08/26/2008 |
| 7414367 | Mercury free high-pressure metal halide discharge lamp A high-pressure metal halide discharge lamp which comprises, as filling, only zinc, a halogen and a noble gas. In order to improve the color rendering index, a calcium halide may be added to the lamp filling. The coupling-in of energy preferably takes place without ... | 08/19/2008 |
| 7414368 | Ceramic metal halide lamp with cerium-containing fill A metal halide lamp (10) includes a discharge vessel (12) which may be formed of a ceramic material. The vessel defines an interior space (16). An ionizable fill is disposed in the interior space. The ionizable fill includes an inert gas and a h... | 08/19/2008 |
| 7408295 | Mercury amalgams for elevated temperatures in discharge lamps The present invention relates to mercury amalgams in discharge lamps for use at elevated operating temperatures. ... | 08/05/2008 |
| 7397193 | Discharge light source with electron beam excitation A light source has a discharge vessel which is filled with a filling gas, and an electron beam source which is arranged in vacuum or in a region of low pressure. The electron beam source generates electrons which are propelled through an entry foil into the discharg... | 07/08/2008 |
| 7394200 | Ceramic automotive high intensity discharge lamp A high intensity discharge lamp, the lamp including a light emitting vessel having a wall made of ceramic material that defines an inner space with a first end portion having a respective first opening formed therein and a second end portion having a respective seco... | 07/01/2008 |
| 7388332 | Metal vapor discharge lamp, floodlight projector and metal vapor discharge lamp lighting device A metal vapor discharge lamp whose near-infrared radiation is stronger than a conventional high-pressure discharge lamp, a projector utilizing this discharge lamp, and a metal vapor discharge lamp lighting device are disclosed. The metal vapor discharge lamp compris... | 06/17/2008 |
| 7385353 | Low-pressure discharge lamp The invention relates to a low-pressure discharge lamp comprising a glass discharge vessel (1) which is substantially tubular in form and which is closed in a gas-tight manner on the ends thereof, a filling consisting of an inert gas mixture and quicksilver, ... | 06/10/2008 |
| 7375459 | Vacuum ultraviolet excited green phosphor material and light-emitting device using the same This invention is intended to overcome the problems with conventional phosphor materials, specifically to overcome the problems of insufficient luminance and of color impurity on the screens of color display units when green phosphor materials have blue or red light... | 05/20/2008 |
| 7372209 | Microwave energized plasma lamp with dielectric waveguide A plasma lamp including a waveguide body including at least one dielectric material with a dielectric constant greater than approximately 2. The body is coupled to a microwave source which causes the body to resonate in at least one resonant mode. At least on... | 05/13/2008 |
| 7368881 | Discharge lamp lighting apparatus and lamp system using the lighting apparatus In a discharge lamp lighting apparatus, a power supplied to a discharge lamp La through a DC-DC converter 1 and an inverter 2 is controlled depending on detection results of a lamp voltage detection unit 6 and a lamp current detection unit 7 | 05/06/2008 |
| 7358674 | Structure having electrodes with metal core and coating A conductive element comprises a metal core and a coating, wherein the coating comprises at least one layer of aluminum, an aluminum alloy, an aluminide, silicon, a silicon alloy, a silicide, and combinations thereof, and wherein the at least one layer has a predete... | 04/15/2008 |
| 7352132 | Metal halide lamp and metal halide lamp lighting device with improved emission power maintenance ratio A metal halide lamp includes a refractory, light-transmitting hermetic vessel, a pair of electrodes sealed in thehermetic vessel, a discharge medium including a halide and a rare gas, and metal storing means storing at least one selected from the group consisting of... | 04/01/2008 |
| 7348737 | Lighting circuit for high-pressure discharge lamp To provide a lighting circuit of a projector that can be driven by both the commercial alternating-current power supply and a battery and is convenient for portable use. A lighting circuit for a high-pressure discharge lamp 14 includes: a DC/DC converter 1... | 03/25/2008 |
| 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 |
| 7319294 | Metal halide high pressure discharge lamp In the metal halide high-pressure discharge lamp for stage, film and television lighting systems and for projection technology and effect lighting, the discharge vessel contains dysprosium and cesium as fill metals for the metal halides. Optimum results for dimmabil... | 01/15/2008 |
| 7305934 | Plasma treatment apparatus and plasma generation method A plasma processing apparatus includes a table (22) on which a processing target (W) is to be placed, a processing vessel (11) where the table is to be accommodated, and a power feed unit (40) for supplying a high-frequency electromagnetic field... | 12/11/2007 |
| 7298088 | Arc tube and low-pressure mercury lamp This invention aims at providing a low-pressure mercury lamp having an improved luminous efficiency while maintaining the compactness and long life of the arc tube. This lamp comprises an arc tube formed by bending a glass tube. This arc tube is formed into a double... | 11/20/2007 |
| 7288880 | High-luminance gas discharge tube with diaphragm elements within discharge path In a gas discharge tube, a first discharge path-induction portion is arranged between a first discharge path-limit portion and a second discharge path-limit portion. A voltage is applied to the first discharge path-induction portion from the outside. As a result, an... | 10/30/2007 |
| 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 |
| 7282861 | Light source device, lighting device and liquid crystal display device A light source device has a bulb, a discharge medium containing rare gas sealed inside the bulb, an internal electrode disposed inside the bulb, and an external electrode disposed outside the bulb. A holder member holds the external electrode so that the external el... | 10/16/2007 |
| 7282850 | Vacuum ultraviolet-excited ultraviolet phosphor and light-emitting device that uses this phosphor A vacuum ultraviolet-excited phosphor is composed of a gadolinium-activated rare-earth aluminum-scandium borate that is represented by a general formula (Y1-xGdx)Al3-yScy(BO3)4 (where 0 | 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 |
| 7271547 | High-pressure discharge lamp having a pulse starting device, and operating method for a high pressure discharge lamp The invention relates to a high-pressure discharge lamp having electrodes arranged inside a discharge vessel which define a discharge path of a gas discharge in the discharge vessel, and having a starting device, arranged inside the lamp base for the high-pressure d... | 09/18/2007 |
| 7265493 | Mercury-free compositions and radiation sources incorporating same A radiation source with an ionizable mercury-free composition. The ionizable composition including at least zinc or at least one zinc compound or both. ... | 09/04/2007 |
