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| Application No. | Application Title | Issue Date | |||
| 20110304266 | HIGH INTENSITY GAS-DISCHARGE LAMP The invention describes a high intensity gas-discharge lamp (1) comprising a discharge vessel (5, 5′) enclosing a fill gas in a discharge chamber (2) and comprising a pair of electrodes (3, 3′, 4, 4′) extending into the discharge chambe... | 12/15/2011 | |||
| 20110291558 | Ceramic Discharge Vessel Having an Opaque Zone and Method of Making Same An opaque zone in the polycrystalline (PCA) discharge vessel of a high intensity discharge lamp may be made by creating residual pores in predetermined regions of the final-sintered discharge vessel. The control over the placement of the opaque zone is achieved by formi... | 12/01/2011 | |||
| 20110248630 | SHORT ARC DIMMABLE HID LAMP WITH CONSTANT COLOUR DURING DIMMING The present disclosure relates to a short arc metal halide lamp without outer jacket, whose arc tube has a specified aspect ratio and chemical filling, characterised in that it delivers a low colour temperature and very high colour rendering index, which are maintained ... | 10/13/2011 | |||
| 20110205529 | Cell For Light Source A cell for a vacuum ultraviolet plasma light source, the cell having a closed sapphire tube containing at least one noble gas. Such a cell does not have a metal housing, metal-to-metal seals, or any other metal flanges or components, except for the electrodes (in some e... | 08/25/2011 | |||
| 20100213867 | HIGH-PRESSURE DISCHARGE LAMP A high-pressure discharge lamp may include a discharge vessel, which contains: electrodes, at least one noble gas as a start gas, at least one element selected from the group consisting of Al, In, Mg, Tl, Hg, and Zn for arc transfer and discharge vessel wall heating, an... | 08/26/2010 | |||
| 20100045164 | GLASS FOR AN ILLUMINATING MEANS WITH EXTERNAL ELECTRODES The invention concerns a glass composition for a glass body of an illuminating means with external electrodes, wherein the quotient of the loss angle (tan δ[10−4]) and the dielectric constant (∈′) amounts to tan δ[10−4]/∈′<5, i.e.,... | 02/25/2010 | |||
| 20090267515 | HIGH-PRESSURE DISCHARGE LAMP HAVING A CERAMIC DISCHARGE VESSEL The invention relates to a high-pressure discharge lamp (12), and a reflector lamp. The high-pressure discharge lamp has a discharge vessel (22, 61) enclosing a discharge space (24) which is provided with an ionizable filling comprising one or more ... | 10/29/2009 | |||
| 20090230861 | Plasma Display Panel A plasma display panel includes front glass substrate and rear glass substrate disposed opposite to each other so as to form an image display area and an image non-display area. The image non-display area includes a sealing portion in which glass substrates are sealed a... | 09/17/2009 | |||
| 20090146569 | LOW-PRESSURE MERCURY VAPOR DISCHARGE LAMP AND APPARATUS FOR TREATMENT The low-pressure mercury vapor discharge lamp has a lamp envelope (10) enclosing, in a gastight manner, a discharge space provided with a filling of mercury and a rare gas. The lamp envelope comprises discharge means for maintaining a discharge in the discharge s... | 06/11/2009 | |||
| 20090066251 | Ceramic Discharge Vessel Having an Opaque Zone and Method of Making Same An opaque zone in the polycrystalline (PCA) discharge vessel of a high intensity discharge lamp may be made by creating residual pores in predetermined regions of the final-sintered discharge vessel. The control over the placement of the opaque zone is achieved by formi... | 03/12/2009 | |||
| 20080284338 | Translucent polycrystalline alumina ceramic A polycrystalline body includes aluminum oxide, magnesium oxide, zirconium oxide, and lutetium oxide. The lutetium oxide is present in an amount of at least 10 ppm of the weight of the ceramic body, and the magnesium and zirconium oxides are present at a molar ratio of ... | 11/20/2008 | |||
| 20080122362 | Transparent Ceramic Material and Method of Manufacturing the Same A transparent sintered yttrium aluminum garnet ceramic material formed from a solid-state reaction of a mixture of yttrium oxide powder and aluminum oxide powder during sintering. The ceramic material preferably has an in-line transmission of greater than 75% so it may ... | 05/29/2008 | |||
| 20080093963 | Lamp The invention relates to lamp comprising a light source in an outer envelope which is connected to a lamp base in a gas-tight manner. According to the invention, the lamp base is substantially made of a metal.... | 04/24/2008 | |||
| 20080067939 | LAMP HAVING AN ENVELOPE WITH AN OXIDATION RESISTANT SEAL There is described a lamp having a high-temperature glass envelope, at least one feedthrough assembly, and a light source disposed within the envelope; the at least one feedthrough assembly having an inner electrical lead connected to the light source, an outer electric... | 03/20/2008 | |||
| 20080042577 | 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. ... | 02/21/2008 | |||
| 20070159105 | Hermetical lamp sealing techniques and lamp having uniquely sealed components A hermetically sealed lamp having at least one seal-material-free bond. The seal material-free bond may be a material diffusion bond, a mechanically deformed bond such as a cold weld or crimp, a focused heat bond such as a laser bond, or any other such bond. For example... | 07/12/2007 | |||
| 20070138964 | 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 includ... | 06/21/2007 | |||
| 20070075643 | Lighting device, particularly a high-pressure metal halide lamp The invention is directed to a lighting device, particularly a high-pressure metal halide lamp, wherein a material combination of the body, frit and base materials is selected such that:
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| 20070018582 | DISCHARGE BULB A discharge bulb is equipped with a discharge light emitting chamber tube in which discharge electrodes are provided face to face and a luminescent material is filled at the center of the ceramic tube in longitudinal direction. A metallic pipe is jointed into the pore o... | 01/25/2007 | |||
| 20060290285 | Rapid Warm-up Ceramic Metal Halide Lamp A ceramic metal halide lamp is provided wherein the ceramic discharge vessel is comprised of dysprosium oxide. The lamp has a warm-up time that is less than about 50%, and preferably less than about one-third, of the warm-up time of a similarly constructed and operated ... | 12/28/2006 | |||
| 20060279218 | High-pressure discharge lamp, high-pressure discharge lamp operating apparatus, and illuminating apparatus The present invention provides a high-pressure discharge lamp in which a seal part between the translucent ceramics discharge vessel and the current introducing conductor has an improved sealing capability, as well as a high-pressure discharge lamp operating apparatus a... | 12/14/2006 | |||
| 20060232212 | Ceramic discharge chamber for a discharge lamp A discharge chamber for a lamp, the discharge chamber comprising a monolithic ceramic article having a main body defining an arc chamber and generally opposed leg members defining openings which may accommodate an electrode or electrode lead through. A method of making ... | 10/19/2006 | |||
| 20060170362 | Ceramic discharge vessel The present invention is a ceramic discharge vessel for use in high-intensity-discharge (HID) lamps. The discharge vessel has a ceramic body and at least one seal region comprised of an aluminum oxynitride material. The seal region further has a surface layer for contac... | 08/03/2006 | |||
| 20060164015 | Electric lamp comprising a glass component The electric lamp has a glass component with a composition which, according to the invention, is substantially free of PbO and has the following constituents: 55-70 wt. % SiO2, <0.1 weight % Al2O3, 0.5-4 weight % Li2O, 0.5-3 w... | 07/27/2006 | |||
| 20060033440 | Red-colored electric lamp The invention relates to electric lamps and more particularly to automotive signal lamps. A glass composition is described for use in electric lamps, which glass is red colored. The glass composition comprises copper between 0.1 and 2% by weight, tin between 0.1 and 2% ... | 02/16/2006 | |||
| 20060028143 | Barium-silica glass lamp having thermally balanced lead-in wires An automotive lamp has a sealed envelope of barium silica glass that is essentially free of cadmium and in which a light emitting element is contained. Lead-in wires extend through the envelope and are coupled to the light emitting element. The glass envelope and lead-i... | 02/09/2006 | |||
| 20060012306 | Electrically conductive cermet and method of making An electrically conducting cermet comprises at least one transition metal element dispersed in a matrix of at least one refractory oxide selected from the group consisting of yttria, alumina, garnet, magnesium aluminum oxide, and combinations; wherein an amount of the a... | 01/19/2006 | |||
| 20050258763 | Compact germicidal lamp having multiple wavelengths A compact germicidal lamp having a plurality of adjacent parallel glass cylinders capable of transmitting different wavelengths of ultraviolet radiation connected by a perpendicular glass tube. A first glass cylinder made of a doped quartz material and capable of transm... | 11/24/2005 | |||
| 20050248279 | Metal halide lamp with improved lumen value maintenance An arc discharge metal halide lamp having a discharge chamber having visible light permeable walls bounding a discharge region supported electrodes in a discharge region spaced apart by a distance Le with an average interior diameter equal to D so they have a... | 11/10/2005 | |||
| 20050248277 | Transparent polycrystalline aluminium oxide The present invention relates to highly dense translucent and transparent aluminium oxide components for applications, e.g. in the lighting industry, where a fine crystal size has to be obtained and stabilized for use at temperatures of 800° C. or more. Disclosed are h... | 11/10/2005 | |||
| 20050242735 | Fluorescent lamp for emitting visible radiation A fluorescent lamp is adapted to have an arc tube encapsulated in a glass glove. For the arc tube, an ultraviolet radiation emitting lamp that provides a wavelength equal to or longer than 253.7 nm is employed, and phosphor, composed of calcium halophosphate phosphor an... | 11/03/2005 | |||
| 20050212435 | Doped Dysprosia Discharge Vessel A ceramic discharge vessel is provided wherein the vessel comprises a hollow body for enclosing a discharge and the hollow body is made of a polycrystalline dysprosium oxide containing a luminescent dopant that emits one or more visible light wavelengths when stimulated... | 09/29/2005 | |||
| 20050206319 | Short-arc lamp with dual concave reflectors and a transparent arc chamber A short arc lamp with two transparent apertures. The lamp includes a sealed transparent arc chamber with an internal integral light reflector, and an external light reflecting element positioned external to the sealed arc transparent chamber. ... | 09/22/2005 | |||
| 20050168149 | Flash lamp with high irradiance A flash lamp with high radiation intensity which has a discharge vessel having a part in the region between the electrodes which has a smaller diameter than the inside diameter of the discharge vessel in the area in which the cathode is located, and the inner surface of... | 08/04/2005 | |||
| 20050134181 | Pulsed high-power flash lamps made of compound quartz glass tubes and process for manufacture thereof The invention concerns a pulsed high-power compound quartz tubes flash lamp and process for manufacture. One of the most important characteristics of the present invention is that the flash lamp envelope is made of compound fused quartz glass tubes which comprises one o... | 06/23/2005 | |||
| 20050116649 | Low-pressure mercury vapor discharge lamp Low-pressure mercury vapor discharge lamp provided with a discharge vessel (10) which encloses enclosing a discharge space (11) provided with a filling of mercury and a rare gas in a gastight manner. The inner wall of the discharge vessel (10) is pr... | 06/02/2005 | |||
| 20050099128 | Alumino Earth-Alkali Silicate Glasses with High Thermal Capacity for Light Bulbs and Use Thereof An alumino earth-alkali silicate glass for lamp bulbs of tungsten halogen incandescent lamps has the following glass composition (% by weight) that reduces discoloration during operation of the lamp bulb:
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