Class / Patent application number | Description | Number of patent applications / Date published |
313581000 |
Three or more electrode discharge device
| 350 |
313623000 |
Having electrode lead-in or electrode support sealed to envelope
| 108 |
313634000 |
Envelope with particular structure
| 80 |
313637000 |
With particular gas or vapor
| 66 |
313631000 |
Having particular electrode structure
| 58 |
313578000 |
Incandescent filament lamp
| 40 |
313568000 |
Having a particular total or partial pressure
| 36 |
313607000 |
Having electrode exterior to envelope
| 27 |
313633000 |
Electrode composition
| 16 |
313636000 |
Envelope composition
| 8 |
313620000 |
Having specified electrode spacing
| 7 |
313621000 |
Having electrodes with geometrical relationship | 5 |
20090072741 | CERAMIC METAL HALIDE LAMP HAVING RATED LAMP WATTAGE OF GREATER THAN OR EQUAL TO 450 W - To provide a ceramic metal halide lamp having a rated lamp wattage of not less than 450 W, which will not cause flicker due to instable arc during operating of the lamp and early blacking of an arc tube. In a metal halide lamp having a rated lamp wattage of greater than or equal to 450 W, which includes: a translucent ceramic arc tube enclosure including: a main tube inside which a discharge space is formed; and two narrow tubes having smaller diameter than the main tube, each connected to either end of the main tube; two electrodes; and a metal halide provided inside the arc tube enclosure, in which one of the two electrodes is disposed so that it protrudes inside the main tube from inside of one of the two narrow tubes, and the other one of the two electrodes is disposed so that it protrudes inside the main tube from the other one of the two narrow tubes, and when the rated lamp wattage is denoted by W (watt), an inside diameter of the main tube by D (mm), an electrode protruding length which is the distance from boundary between the main tube and the narrow tubes to an end of the electrode by L (mm), and the distance between ends of the two electrodes by E (mm), a bulb wall loading G (watt/cm | 03-19-2009 |
20090121633 | METAL HALIDE LAMP - A metal halide lamp comprising a discharge vessel enclosing a discharge space of volume V(cm) and containing an ionizable gas filling comprising Hg in a quantity of mass m(g) and at least a metal halide, wherein in said discharge space two electrodes are arranged whose tips have a mutual interspacing EA so as to define a discharge path between them, the discharge space having a length L(mm) measured along the discharge path and a largest diameter D(mm) square thereto, wherein the ratio X=L/D satisfies the relation 0.705-14-2009 | |
20090167178 | Illuminating Device Comprising Flat Discharge Lamp - A flat discharge lamp ( | 07-02-2009 |
20100123393 | HID LAMP WITH A CANTED ARC TUBE - An HID lamp with a canted arc tube including a high intensity discharge (HID) lamp with an outer envelope ( | 05-20-2010 |
20110148294 | GAS DISCHARGE LAMP - The invention relates to a gas discharge lamp with a gas discharge tube having a cylindrical discharge region and having two electrodes which are arranged at an outer side of the gas discharge tube. To achieve an improved gas discharge tube having external electrodes with an increased lifetime it is proposed that each electrode has a planar disc shaped holding section which each have a respective opening and in that the cylindrical discharge region is received in the openings in a shape matched manner, wherein the cylinder axis of the cylindrical discharge region lies perpendicular to the planar holding sections. | 06-23-2011 |
313613000 |
Having electrode shield | 5 |
20110266950 | CATHODE SHIELDING FOR DEUTERIUM LAMPS - A gas-discharge lamp (deuterium lamp) is provided having a lamp bulb ( | 11-03-2011 |
20100237778 | Bushing system for a lamp - Disclosed is a bushing system for a lamp, comprising at least one electrode and/or lead-in wire that is/are embedded in a final section of a lamp vessel by means of a glass seal. At least some sections of said electrode and/or lead-in wire are provided with an antioxidant layer in the zone of the glass seal. Also disclosed are a lamp comprising such a bushing system as well as a method for the production thereof. | 09-23-2010 |
20110001427 | PLASMA DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME, AND DISCHARGE STABILIZER POWDER - A technique for achieving both discharge voltage reduction and discharge stabilization in a PDP and the like is provided. This PDP manufacturing method includes, for a structure of a front plate structure ( | 01-06-2011 |
20110221339 | PLASMA DISPLAY PANEL - A forming method of a protective film made of oxide containing any one of calcium oxide (CaO), strontium oxide (SrO) and barium oxide (BaO) and having a higher band gap than that of magnesium oxide (MgO) (higher than 7.9 eV) is provided. By adjusting a time constant of a protective film to a predetermined value or larger, the voltage drop time is adjusted so as to be usable for a plasma display panel. At this time, the time constant τ(=C×R) defined by the discharge capacitance C and the protective film resistance R is referenced. | 09-15-2011 |
20120013249 | Ion source - A cathode sub-assembly is comprised of a retainer, a cathode and a collar, each of which has smooth unthreaded surfaces that slidably engage each other. A shield serves to hold the sub-assembly in a support plate. The cathode projects from the sub-assembly into an arc chamber with a tortuous path created therebetween for passage of a plasma flow. | 01-19-2012 |
313609000 |
Having baffle, partition, or constricting means affecting discharge | 3 |
20080284336 | Compact Fluorescent Lamp - Compact fluorescent lamp having a known base ( | 11-20-2008 |
20120032586 | MERCURY-VAPOR DISCHARGE LAMP FOR HOMOGENEOUS, PLANAR IRRADIATION - Known mercury-vapor discharge lamps for planar irradiation are provided with a lamp bulb made of quartz glass, which encloses a closed discharge space having a non-linear gas-discharge channel. In order to provide a structurally simple lamp, which also guarantees a highest possible homogeneity of the UV irradiation, even for a small distance to the surface to be treated, the lamp bulb is formed as a quartz-glass chamber defined by straight walls and having bottom, top, and side walls and is divided into sub-chambers by several separating webs made of quartz glass and projecting from the bottom wall to the top wall. These sub-chambers include a front-most sub-chamber and a rear-most sub-chamber and form in series interconnection the non-linear gas-discharge channel. The separating webs extend alternately from one side wall up to close to the opposite side wall, while leaving open a gap connecting adjacent sub-chambers in a fluid-communicating manner. One electrode is allocated to the front-most sub-chamber and the other electrode is allocated to the rear-most sub-chamber. | 02-09-2012 |
20080246400 | Gas Discharge Tube Light Source Apparatus and Liquid Chromatograph - The present invention relates to a gas discharge tube or the like having a structure for enabling the maintenance of discharge startability and the prevention of the shortening of the life of an anode section and for increasing the amount of visible light from a visible light source passing through a discharge path restricting section. The gas discharge tube comprises a sealed vessel in which gas is encapsulated. A cathode section and anode section for generating discharge are arranged in the sealed vessel. Furthermore, a discharge path restricting section for narrowing a discharge path is arranged between the cathode section and the anode section. In particular, an opening portion is formed in the anode section, and the cross section of the opening portion has a non-circular shape where the maximum opening width in a first direction is different from that in a second direction orthogonal to the first direction. Thus, the amount of the visible light passing through the opening portion of the anode section in the gas discharge tube from the visible light source can be increased by making the maximum opening width in one direction of the first and second directions longer than that in the other direction. The maintenance of the discharge startability and the prevention of the shortening of the life of the anode section can be attained by making the maximum opening width in the other direction shorter than that in one direction. | 10-09-2008 |
313629000 |
Having resistance heated cathode | 2 |
20080197776 | HOT-CATHODE FLUORESCENT LAMP - A hot-cathode fluorescent lamp has an arc tube on whose inside surface a phosphor film is formed, and in both ends of which stems are formed, and has bases having tube pins connected to an external power supply and fixed to both end portions of the above-mentioned arc tube. The hot-cathode fluorescent lamp is equipped with pairs of metal lead wires which are provided in both ends of the arc tube, one ends of which are connected to tube pins, and the other ends of which are extended inside the arc tube through the stem, a filament both ends of which are connected to the other ends of respective lead wires, and a screening member which has a ring portion surrounding the filament and which has a bottom face plate provided in a side of the ring portion which side opposites to the stem so as to screen the stem from the filament. | 08-21-2008 |
20090230865 | High-Pressure Discharge Lamp with Discharge Vessel - The invention relates to an electrode ( | 09-17-2009 |
313630000 |
Having electrode of alkali, alkaline or rare earth material | 1 |
20110260611 | SHORT ARC TYPE DISCHARE LAMP - In a short arc type discharge lamp wherein a cathode and an anode are arranged oppositely to each other in an interior of a light emitting tube, said cathode having a portion with a decreasing diameter at a tip end thereof, and an emitter material buried in said cathode, such that said emitter material has an exposed portion being exposed in said cathode portion with a decreasing diameter, a distance in a radial direction of a center of said cathode from a periphery of the exposed portion of said emitter material varies in a circumferential direction, thus enabling the same electron radiation function as hitherto while reducing the use level of the emitter material. | 10-27-2011 |
313626000 |
Having lead-in shield | 1 |
20090134797 | Current Lead-Through for Ceramic Burner in Halogen-Metal Vapor Discharge Lamps - In a halogen-metal vapor lamp having a ceramic housing ( | 05-28-2009 |
313618000 |
Having hollow cathode | 1 |
20080315769 | High intensity discharge lamp with enhanced dimming characteristcs - A high intensity discharge lamp comprises a discharge vessel and two electrode rods having substantially flat ends facing to each other in opposite positions within the discharge vessel. A spiral coil of wire is wound at least on a part of the surface of at least one of the electrode rods. The spiral coil protrudes over said end of the corresponding electrode rod and thus forms a hollow cavity for extending dimmable wattage range of the lamp. | 12-25-2008 |
313608000 |
Single electrode type discharge device, or including particulate material | 1 |
20140028183 | High-pressure discharge lamp - Various embodiments provide a high-pressure discharge lamp. The high-pressure discharge lamp may include a discharge vessel; and an electrode, which is secured in one end of the discharge vessel, the electrode having a stem designed as an elongated pin-shaped body, the electrode being part of an electrode system that also comprises a lead-through, with the aid of which the end of the discharge vessel is sealed in a gas-tight manner; wherein at least the stem includes an electrically conductive ceramic boride of a metal that comprises at least lanthanum, cerium, yttrium or ytterbium, alone or in combination. | 01-30-2014 |
Entries |
Document | Title | Date |
20090015158 | TCLP Compliant Integrated Compact Fluorescent Lamp - An integrated CFL lamp that is TCLP-compliant as to both mercury and lead is provided through the combination of (1) means to reduce the amount of leachable mercury in the spent lamp, preferably comprising a low mercury burner or other burners containing additives to reduce the amount of leachable mercury in the spent lamp; and (2) means to reduce the amount of leachable lead in the spent lamp, preferably comprising a circuit board that comprises a lead-free solder or such circuit board and at least one of a base portion and/or a lamp screw base portion that comprises a lead-free solder. | 01-15-2009 |
20090015159 | High-voltage switch and use thereof for a microwave generator - High-voltage switch, in particular for a microwave generator, which includes a spark gap which breaks down in order to switch when a high voltage is applied provided is a plurality of parallel-connected spark gaps ( | 01-15-2009 |
20090091259 | High-Pressure Discharge Lamp with an Improved Starting Capability, as Well as a High-Voltage Pulse Generator - A spiral pulse generator is used to start the high-pressure discharge lamp, and is accommodated directly in the outer bulb of the lamp. The spiral pulse generator is surrounded by a ferritic material so that it acts as a starting transformer. | 04-09-2009 |
20090102377 | GAS DISCHARGE TUBE - A new gas discharge tube comprising at least two electrodes and at least one hollow insulator ring fastened to at least one of the electrodes, wherein the insulating ring has an extended length for a creeping current on at least one of the surfaces inside and/or outside compared to its height thereby providing a long distance to any possible creeping current. | 04-23-2009 |
20090146562 | ELECTRODELESS DISCHARGE LAMP APPARATUS AND LIGHTING FIXTURE WITH THE ELECTRODELESS DISCHARGE LAMP APPARATUS - An electrodeless discharge lamp apparatus is provided which is increased in heat dissipation, making it possible to adapt to an increase in output of the apparatus. The electrodeless discharge lamp apparatus comprises a bulb containing a discharge gas and a coupler accommodated in a cavity formed in the bulb for generating a high frequency electromagnetic field. The coupler has: an induction coil; a core inserted into the coil; a heat conductor for conducting heat generated from the coil and the core; and a bobbin made of resin which accommodates the core and the heat conductor therein, and which has the coil wound therearound. The bobbin is designed to be separated in a radial direction of the coil, so that it is possible to separately mold the respective parts of the bobbin. Thus, it is not necessary to form, in the bobbin, a draft angle which has been necessary in the prior art when molding a tubular-shaped bobbin, and it is possible to make the thickness of the bobbin thin and uniform, so that the proportion of the bobbin in the volume of the cavity can be reduced to increase the proportion of the heat conductor. | 06-11-2009 |
20090146563 | PLASMA DISPLAY PANEL AND DEPOSITION APPARATUS USED IN THE MANUFACTURING THEREOF - A plasma display panel has a screen ( | 06-11-2009 |
20090195156 | FLASH UNIT - A flash unit for an image capturing device includes a noble gas-filled flash tube and two electrical terminals. The outer surface of the flash tube includes a light-transmissive portion and a light-reflective portion. The two electrical terminals protrude outwards from the two opposite ends of the flash tube respectively for allowing application of a high voltage pulse to the noble gas for creating a flash of light. | 08-06-2009 |
20090236986 | High intensity discharge lamp - An arc discharge lamp ( | 09-24-2009 |
20100207522 | LAMP - The lamp, particularly the high pressure discharge lamp, comprises a socket ( | 08-19-2010 |
20100231127 | ELECTRODELESS HIGH PRESSURE DISCHARGE LAMP - An electrodeless high pressure discharge lamp is described. The lamp includes a resonating body configured to provide microwave energy and a discharge vessel, the discharge vessel containing a fill that forms a lightemitting plasma when receiving the microwave energy. The lamp further includes an outer bulb surrounding the discharge vessel. The lamp further includes a support structure within the outer bulb, the support structure comprising a plurality of wires forming a cage, wherein each end of each of the plurality of wires are directed to either end of the discharge vessel. The lamp further includes a first wire structure configured to hold the discharge vessel in place within the cage and surrounding each end of the discharge vessel. | 09-16-2010 |
20110133638 | METAL HALIDE LAMP - The invention provides a metal halide lamp comprising a ceramic discharge vessel. The discharge vessel encloses a discharge space which accommodates two electrodes and contains a salt filling. The salt filling comprises sodium iodide, thallium iodide, calcium iodide, cerium iodide, and barium iodide as a colorpoint stabilizing additive. The salt filling comprises calcium iodide and thallium iodide, and substantially no sodium iodide. The salt filling further comprises mercury iodide. | 06-09-2011 |
20110198992 | SOCKETED HIGH PRESSURE GAS DISCHARGE LAMP - A socketed high pressure gas discharge lamp having a lamp vessel comprising a space sealed by at least one seal. The discharge lamp further comprising a socket in which the lamp vessel is mounted with its seal and fixed with cement. A lamp axis extending through the socket and through the space of the lamp vessel. The socket is provided with at least one opening extending axially through the socket from its base side to its front side. The opening has an annular wall which is either formed only by the socket or by a combination of both the socket and the seal of the lamp vessel. Preferably, the opening is located on either side of the seal. | 08-18-2011 |
20120062112 | APPARATUS, SYSTEM, AND METHOD OF CONTROLLING IGNITION TIMING OF A HID LAMP USING A THIRD ELECTRODE - A high-intensity discharge (HID) lamp comprising a discharge vessel including a first and a second end region and defining an arc chamber containing an arc generating medium, a cathode and an anode in the first and the second end regions of the discharge vessel, respectively, the cathode and the anode each comprising a terminal end disposed within the arc chamber and separated by an arc gap, and an electrically conductive starting aid configured to initiate a dielectric barrier discharge (DBD) with the anode at or after a voltage across the first and second electrodes reaches an open circuit value. A ballast may control power provided to the HID lamp. | 03-15-2012 |
20120274205 | FLASH LAMP, A CORRESPONDING METHOD OF MANUFACTURE AND APPARATUS FOR THE SAME - A flash lamp is disclosed including an insulative envelope containing a gas and housing a pair of arcing electrodes and characterized by an instance of isolated conductive material being formed at a predetermined location on the inside of the envelope adjacent an electrode. Further disclosed is a corresponding method of manufacturing a flash lamp and apparatus for the same. | 11-01-2012 |
20130106280 | CERAMIC METAL HALIDE LAMP | 05-02-2013 |
20150311058 | LIGHT SOURCE WITH LASER PUMPING AND METHOD FOR GENERATING RADIATION - The invention relates to light sources with laser pumping and to methods for generating radiation with a high luminance in the ultraviolet (UV) and visible spectral ranges. The technical result of the invention includes extending the functional possibilities of a light source with laser pumping by virtue of increasing the luminance, increasing the coefficient of absorption of the laser radiation by a plasma, and significantly reducing the numerical aperture of a divergent laser beam which is to be occluded and which is passing through the plasma. The device comprises a chamber containing a gas, a laser producing a laser beam, an optical element, a region of radiating plasma produced in the chamber by the focused laser beam, an occluder, which is mounted on the axis of the divergent laser beam on the second side of the chamber and an optical system for collecting plasma radiation. | 10-29-2015 |