Class / Patent application number | Description | Number of patent applications / Date published |
313634000 | Envelope with particular structure | 80 |
20080203920 | Lamp Having Molybdenum Alloy Lamp Components - The invention relates to a lamp ( | 08-28-2008 |
20080211411 | HIGH-PRESSURE DISCHARGE LAMP, HIGH-PRESSURE DISCHARGE LAMP OPERATING APPARATUS, AND ILLUMINATING APPARATUS - A high-pressure discharge lamp includes a translucent ceramic discharge vessel having a surrounding part formed of translucent ceramic, and a pipe connected to the surrounding part, formed of translucent ceramic having an average crystal particle size of 50 μm or less in a region close to an intended sealing portion, and having a smaller diameter than the surrounding part. A current introducing conductor is inserted into the pipe of the translucent ceramic discharge vessel, and is sealed at least by a sealing portion formed by fusion of the translucent ceramic in the pipe. An electrode is connected to and disposed in the current introducing conductor in the translucent ceramic discharge vessel. A discharge medium is sealed in the translucent ceramic discharge vessel. | 09-04-2008 |
20080218083 | Lamp Assembly Comprising a Reflector and a Method for Manufacturing the Lamp Assembly - A method for manufacturing a high-pressure gas discharge lamp assembly comprising a burner ( | 09-11-2008 |
20080224616 | Lamp and a Method of Attaching a Burner to a Cap of Lamp - A lamp comprising a cap ( | 09-18-2008 |
20080238322 | Structural unit for an electric lamp with an outer bulb - The structural unit for an electric lamp, with an elongated, ceramic inner bulb, with a central part, is closed at two sides by capillaries, the inner bulb having a lamp axis, and a luminous means being accommodated in the inner bulb, the inner bulb being surrounded by an outer bulb, and the outer bulb having two ends, which are joined directly to the capillaries of the discharge vessel via in each case one joining means. | 10-02-2008 |
20080265776 | Light Source and Assembly of Light Sources - The invention relates to a light source comprising: an at least partly light-transmitting elongate discharge vessel filled with an ionizable substance, at least one first electrode and at least one second electrode connected to respective end portions of the light source, between which first and second electrodes a discharge extends during lamp operation, at least one electrode of the first electrode and the second electrode extending laterally with respect to the corresponding end portion. The invention also relates to an assembly of light sources according to the invention. | 10-30-2008 |
20080290801 | Metal Halide Lamp, Metal Halide Lamp Lighting Device and Headlight - There are provided a mercury-free metal halide lamp which is improved in light flux rising immediately after starting, more practical and suitable for a headlight, and a metal halide lamp lighting device and a headlight using this. The metal halide lamp according to the present invention comprises: a translucent air-tight container having an inner volume which is not grater than 0.1 cc, including an enclosure portion forming an inner space having a flat surface on a bottom surface, and having a ratio D/L satisfying the following expression: 0.25 ≦ D/L ≦ 0.43 where D is a distance between the bottom surface and a top surface of the inner space at a central portion in a tube-axis direction, and L is a length of the enclosure portion; a pair of electrodes sealed facing each other with an inter-electrode distance which is not greater than 5 mm; and a discharging medium containing a plurality of metal halogen compounds selected from a group of Sc, Na, In, Zn and a rare-earth metal and a rare gas but intrinsically not containing mercury (Hg), wherein a lamp power per unit inner surface area of the air-tight container is not smaller than 60 (W/cm | 11-27-2008 |
20080297052 | Lamp with an Improved Lamp Behaviour - The invention relates to a Hg free high pressure discharge lamp having a quartz envelope and a halide filling, wherein the lamp comprises at least one electrode which comprises tungsten and ≧0 wt. % and ≦0.5 wt.-% thorium and whereby the lamp comprises at least one Mo-containing lead-in wire and/or foil whereby the Mo containing wire and/or foil comprises TiO | 12-04-2008 |
20090039785 | Discharge lamp - A discharge lamp comprises a discharge container in which a sealing tube is connected to each end of an arc tube, electrodes arranged inside the arc tube, a glass member provided in the sealing tube, a metallic foil provided on an outer circumference face of the glass member, an external lead which is electrically connected to the metallic foil and which is inserted in a through hole of an external quartz tube, a low melting point glass which is formed in a gap between an inner circumference face of the through hole of the external quartz glass tube and an external circumference face of the external lead, wherein a concave portion is formed at an outer end of the through hole. | 02-12-2009 |
20090085484 | METAL HALIDE LAMP AND LIGHTING APPARATUS USING THE SAME - A metal halide lamp according to the present invention includes: an outer tube | 04-02-2009 |
20090121636 | High-Pressure Discharge Lamp - The invention relates to a high-pressure discharge lamp intended for use in assimilation lighting. According to the invention, the high-pressure discharge lamp has a discharge vessel with a long axis, enclosing a volume V wherein an ionizable filling comprising a buffer gas and an excess amount of a metal halide, which is selected from LiI, NaI and CaI | 05-14-2009 |
20090134801 | DISCHARGE TUBE, FERRULE, LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - In a discharge tube, a conductive ferrule is provided on an end portion of a glass tube. The ferrule includes a body that is to be mounted to the outer circumference of the glass tube and has a contact portion to be electrically conductively fixed to a relay connector (or a bearing device). Further included is a conductive portion that extends from the body so as to have elastic contact with an outer lead. The outer lead will not be under load due to the weight of the discharge tube, but the conductive portion solely has elastic contact therewith. Thus, stress concentration on the outer lead can be prevented. | 05-28-2009 |
20090206753 | METAL VAPOR DISCHARGE LAMP - A metal vapor discharge lamp comprising an arc tube, an airtight tube housing the arc tube, and a base bonded to one end of the airtight tube with use of an adhesive, wherein the airtight tube is covered by a protective tube to improve safety as compared to a case where the protective tube is simply bonded to the base with an adhesive. The protective tube is fixed to the base with a double fall-off prevention structure, and latched to the base when a force including gravity and inertia acts on the protective tube toward the closed end of the protective tube in the axial direction thereof. The above-described structure eliminates the need of arranging the protective wall for securing the safety on the side of a lighting device on which the metal vapor discharge lamp is to be fixed, thereby preventing the lighting device from becoming large in size. | 08-20-2009 |
20090218947 | XENON LAMPS HAVING ENHANCED LIGHT OUTPUT AND ELLIPTICAL ENVELOPE - A xenon short arc lamp which has a middle section with a length to diameter ratio greater than 1.6 and which is directly interchangeable with a xenon short arc lamp of the same wattage in a lamphouse without modifying the lamphouse. | 09-03-2009 |
20090230866 | NEW MULTI-TUBE TYPE POWER-SAVING LAMP TUBE - The present invention relates to multi-tube compact fluorescent lamp which includes at least two unitary light tubes connected together. Each unitary light tube is made of a single glass tube and has an enlarged portion. The enlarged portion of each unitary light tube has a plane side to be near to an adjacent unitary light tube. This structure is easy to manufacture and adapted for industrial production, has a compact configuration, provides greater power and better decoration, and is adapted for traditional light head and light shell. | 09-17-2009 |
20090243487 | High-pressure discharge lamp having an outer envelope arranged around a discharge vessel - A high-pressure discharge lamp has an outer envelope ( | 10-01-2009 |
20090261729 | Discharge lamp exhibiting reduced thermal stress and method of making such a lamp | 10-22-2009 |
20090267514 | LOW-PRESSURE MERCURY VAPOR DISCHARGE LAMP - The low-pressure mercury vapor discharge lamp has a light-transmitting discharge vessel ( | 10-29-2009 |
20090284153 | CERAMIC DISCHARGE LAMP WITH INTEGRAL BURNER AND REFLECTOR - A ceramic discharge lamp and a method of making the lamp includes a ceramic discharge chamber with two concave parts that are attached to each other at a seam, and a ceramic reflector directly attached to an exterior surface of the discharge chamber at the seam, or directly attached to a ceramic capillary that is attached to one of the two concave parts. The lamp finds particular application where focused light is required, such as injection of light into a fiber optic device. The lamp can be very small and has an advantage that the discharge chamber is isolated from the reflective surfaces so that the optically active parts of the reflector are not covered with salt from the preferred metal halide lamp fill. | 11-19-2009 |
20090309497 | Interconnection feedthroughs for ceramic metal halide lamps - An arc discharge metal halide lamp for providing visible light comprising an arc discharge vessel which has capillary tubes therein in at least one of which there is a first electrical feedthrough extending through an interior passageway to have an interior end of that electrode positioned in the discharge region opposite the other the interior passageway of the other capillary and an exterior end thereof positioned outside the outer end of that capillary tube but joined to a cermet portion inside that tube. In an intermediate stage of fabricating the lamp, a bonding material ring of limited diameter is provided at the end of the capillary tube about the exterior end. In a completed lamp, the first electrical feedthrough has limited extent joints where its components are joined and, alternatively or in addition, has a limited offset between its components at a joint between them. | 12-17-2009 |
20100001642 | FLUORESCENT LAMP WITH ADJUSTABLE COLOR TEMPERATURE - A fluorescent lamp includes at least two lighting elements, which emit lights with different color temperatures. In addition, the lighting illuminations of the lighting elements can be controlled by independent driving devices. Thus, the user can adjust the color temperature of the light emitted from the fluorescent lamp. | 01-07-2010 |
20100007275 | HIGH PRESSURE DISCHARGE LAMP - In various embodiments, a high pressure discharge lamp is provided. The high pressure discharge lamp may include a lamp axis, and a two-ended discharge vessel that surrounds a discharge volume, electrodes extending into the discharge volume enveloped by the discharge vessel, and a fill that includes metal halides being accommodated in the discharge volume, the discharge vessel being surrounded by an outer bulb with a base at one end and being held therein by a frame, wherein the frame comprises a short supply lead and a long supply lead, the long supply lead comprising two straight conductors with a winding part therebetween, the winding part executing at most 1.25 turns about the discharge vessel. | 01-14-2010 |
20100026182 | ELECTRIC LAMP WITH INNER ASSEMBLY AND OUTER BULB AND METHOD FOR MANUFACTURING - An electric lamp comprises an inner assembly including a light source and a control gear circuit. An outer envelope encloses the light source and at least a part of the control gear and has a predetermined wall thickness and an end portion. The outer envelope is comprised of two parts separated along a circumferential line. The two parts of the envelope are connectable and sealable to form a uniform outer envelope with a seal region. The seal region has a wall thickness and is merged in a surface portion of the two parts of the envelope so that the surface unevenness of the seal region is not greater than 0.5 millimeters, and the maximum difference of the wall thickness of the seal region with respect to the wall thickness of the outer envelope is not greater than 0.3 millimeters. | 02-04-2010 |
20100026183 | CERAMIC BURNER FOR CERAMIC METAL HALIDE LAMP - The invention relates to a ceramic burner ( | 02-04-2010 |
20100026184 | METAL HALIDE LAMP AND A CERAMIC BURNER FOR SUCH A LAMP - A ceramic burner for a metal halide lamp, which ceramic burner comprises a discharge vessel ( | 02-04-2010 |
20100052530 | Lamp Device and Method for the Production of a Lamp Device - A lamp device ( | 03-04-2010 |
20100052531 | METAL HALIDE LAMP COMPRISING AN IONISABLE SALT FILLING - The invention provides a metal halide lamp with a ceramic discharge vessel and two electrodes. The discharge vessel encloses a discharge volume containing an ionisable salt filling. The ionisable salt filling comprises 3.5-82 mol % sodium iodide, 0.5-8.5 mol % thallium iodide, 14-92 mol % calcium iodide, 0.5-5.5 mol % cerium iodide and 0.5-3.5 mol % indium iodide. The mol percentages are relative to the total amount of ionisable salt filling. The lamp is dimmable, at least in a range of 50-100% of nominal intensity, while maintaining its light-technical properties and while not substantially deviating from the black body locus. Further, the lamp has a relatively high efficacy. Further, the lamp can be operated horizontally and vertically, i.e. the lamp is suitable for universal burning. | 03-04-2010 |
20100052532 | METHAL HALIDE LAMP COMPRISING A SHAPED CERAMIC DISCHARGE VESSEL - The invention provides a metal halide lamp having a ceramic discharge vessel, wherein the discharge vessel has a spheroid-like shape with a length L | 03-04-2010 |
20100060166 | PLASMA DISPLAY PANEL - There is provided a plasma display panel in which a front plate and a rear plate are disposed opposite to each other, a side of a tubular exhaust pipe is disposed in the vicinity of a fine hole provided in the rear plate using a tablet serving as sealant formed of frit glass, peripheries of the front plate and the rear plate and the exhaust pipe are sealed with the sealant in order to form a discharge space, and the discharge space is ventilated and discharge gas is filled into the discharge space through the exhaust pipe. The rear plate and the exhaust pipe are sealed by a sealed part obtained by melting a tablet made of amorphous frit glass not containing lead, and a stress working on the sealed part is a tension in the direction of the rear plate and the direction of the exhaust pipe. | 03-11-2010 |
20100090600 | LAMP WITH A BASE AT ONE END - Various embodiments provide an electric high-pressure lamp with a base at one end, with a wattage of at most 100 W and with a discharge vessel which is sealed in a vacuum-tight manner, said discharge vessel being surrounded by an inner bulb and furthermore by an outer bulb, a base with electrical terminals supporting the outer bulb on one side and the inner bulb on the other side, wherein an effective axial length of the inner bulb is defined as the length of said inner bulb without the ends, with the following geometrical relations with respect to the length being maintained: the volume VH of a hollow cylinder extending between the inner bulb and the outer bulb is given by 8 cm | 04-15-2010 |
20100102724 | METHOD OF CONSTRUCTING CERAMIC BODY ELECTRODELESS LAMPS - A ceramic body electrodeless lamp and a method to produce the lamp are provided. In an example embodiment, the ceramic body electrodeless lamp may include an open tubular arm body, a filler rod formed to have an outer diameter sized to fit at least partially within an inner diameter of the open tubular arm body, and a frit material to form a seal between the open tubular arm body and the filler rod once the frit material is melted. | 04-29-2010 |
20100109529 | ARCTUBE FOR INDUCTION HIGH INTENSITY DISCHARGE LAMP - An oblate spheroidal arctube body geometry provides for a significant reduction in stress cracks and results in lamps that operate at greater than 400 watts for extended periods of time leading up to greater than 20,000 hours. Preferably, the major diameter (OD) ranges between approximately 20 and 40 mm. Wall thickness (T) is preferably on the order of approximately 1.0 to 3.0 mm. An aspect ratio defined as AR (major axial dimension/minor axial dimension) is preferably between 1.1 and 2.0. A radius of curvature (R1) between the spheroidal portion and the leg of the arctube body preferably ranges from—approximately 3 mm to 12 mm or which can be expressed as a curvature 1/R1 ranging from 0.08 to 0.33 mm | 05-06-2010 |
20100123394 | Excimer discharge lamp and method of making the same - An excimer discharge lamp includes an electric discharge container having a pair of plates which face each other and connected by a side wall. An electrical discharge space is formed between the plates. A pair of external electrodes are provided on exterior surfaces of the plates. A light emission gas of rare gas, halogen or halide is enclosed in the electrical discharge space. The pair of plates and the side wall are made of sapphire, YAG, or single crystal yttria. Impurities which exist in an inner surface of the electric discharge container surrounding the electrical discharge space contain at least silicon, carbon, or cerium, and the quantity thereof is 0.6 ng/cm | 05-20-2010 |
20100134005 | SEALING COMPOSITION FOR SEALING ALUMINUM NITRIDE AND ALUMINUM OXYNITRIDE CERAMICS - There is described a sealing composition for sealing aluminum nitride and aluminum oxynitride ceramics comprising: a mixture of SiO | 06-03-2010 |
20100219754 | ELECTRODELESS BULB - An electrodeless bulb ( | 09-02-2010 |
20100231129 | Ceramic discharge lamp and method of manufacturing ceramic discharge lamp - A ceramic discharge lamp in which an electric discharge gas is enclosed in an arc tube which is made up of a ceramic member and a metal member. The ceramic discharge lamp includes a first brazing material, which is formed so as to be fixed on a surface of the ceramic member without being covered with the metal member; a titanium layer, which is formed between the first brazing material and the ceramic member; and a second brazing material, which is continuously formed from the first brazing member, that covers part of the metal member so that the ceramic member and the metal member are airtightly joined to each other. | 09-16-2010 |
20100253220 | METAL VAPOR DISCHARGE LAMP AND ILLUMINATION DEVICE - A metal vapor discharge lamp and a lighting fixture are downsized without causing breakage of an outer tube because of optimization of a positional relation among the outer tube ( | 10-07-2010 |
20100259170 | Excimer discharge lamp - An excimer discharge lamp comprises an electric discharge container having an electric discharge space, a pair of electrodes provided on an outer face of the electric discharge container, and an electric discharge gas enclosed in the electric discharge space. Further the electric discharge container comprises a tubular side wall on which the pair of electrodes is formed, one end wall for sealing one end of the side wall, and another end wall that is provided on the other side of the side wall. The side wall and the end walls are made of sapphire, YAG, or single crystal yttria. A chip pipe is provided on the another end wall, and a partition member made of sapphire, YAG, or single crystal yttria is formed between a shortest distance of the chip pipe and the inner face of the side wall. | 10-14-2010 |
20100308724 | METHOD FOR THE PRODUCTION OF A SEALING REGION AND DISCHARGE LAMP PRODUCED BY SAID METHOD - The invention relates to a method for the production of a sealing region of a discharge lamp, wherein the sealing region comprises a first ( | 12-09-2010 |
20110006677 | ARC TUBE WITH END STRUCTURE - An arc tube of ceramic material has an aluminum nitride (AlN) end structure ( | 01-13-2011 |
20110062867 | METAL VAPOR DISCHARGE LAMP - A metal vapor discharge lamp comprising an arc tube, an airtight tube housing the arc tube, and a base bonded to one end of the airtight tube with use of an adhesive, wherein the airtight tube is covered by a protective tube to improve safety as compared to a case where the protective tube is simply bonded to the base with an adhesive. The protective tube is fixed to the base with a double fall-off prevention structure, and latched to the base when a force including gravity and inertia acts on the protective tube toward the closed end of the protective tube in the axial direction thereof. The above-described structure eliminates the need of arranging the protective wall for securing the safety on the side of a lighting device on which the metal vapor discharge lamp is to be fixed, thereby preventing the lighting device from becoming large in size. | 03-17-2011 |
20110074286 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include an elongate ceramic discharge vessel, at the ends of which an electrode system with an electrode tip pointing towards the discharge is mounted in a seal, the seal being tubular, the discharge vessel having an aspect ratio of at least 1.5, the discharge vessel having a metal halide fill and a wall load of more than 25 W/cm | 03-31-2011 |
20110115372 | ELECTRIC LAMP WITH PIN CONNECTORS AND METHOD OF MANUFACTURE - An electric lamp comprises a bulb-shaped outer envelope made of a glass material with a substantially spherical portion for receiving at least a part of at least one light source and an elongated end portion for receiving at least a part of an electronic control gear for energizing the light sources. A base portion attached to the bulb-shaped envelope comprises connecting means for connecting the electronic control gear to an associated power supply. The base portion is provided with a base plate for closing the base portion and the connecting means are pin connectors embedded in the base plate of the base portion. A method of manufacturing a lamp with pin connectors is also disclosed. In this method, an outer envelope made of a glass material is connected to a base portion that has a base plate with embedded pin connectors. A lamp that comprises a bulb-shaped outer envelope made of a plastic material and has a base portion with pin connectors is also provided. | 05-19-2011 |
20110148295 | High-pressure discharge lamp - In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a discharge vessel which is accommodated in a tubular outer bulb, wherein a major part of the outer bulb is closely surrounded by a transparent sleeve composed of highly heat-resistant plastic. | 06-23-2011 |
20110148296 | High-pressure discharge lamp - In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include an elongated discharge vessel that is accommodated in a tubular outer bulb which is held at one end in a base, the outer bulb being surrounded by a second outer bulb, wherein the second outer bulb is fastened in the region of the base. | 06-23-2011 |
20110163666 | Flat Lamp with Elastic Frame - A flat lamp comprising a flat discharge vessel, which encloses a discharge volume with two plates ( | 07-07-2011 |
20110175526 | DISCHARGE VESSEL AND HIGH INTENSITY DISCHARGE LAMP HAVING SUCH DISCHARGE VESSEL - A discharge vessel for high intensity discharge lamps is disclosed. The discharge vessel comprises an elongated arc chamber having a longitudinal axis of rotational symmetry. It has a translucent wall made of fused silica glass, or alternatively ceramic material. A pair of electrodes is located at opposite ends of the arc chamber for providing discharge arc. The wall of the arc chamber has at least one inwardly protruding circumferential narrowed portion thereby the arc chamber is divided into convection cells. | 07-21-2011 |
20110298366 | HIGH INTENSITY DISCHARGE ARC TUBE AND ASSOCIATED LAMP ASSEMBLY - The discharge light source includes an arc tube with a discharge chamber having a predetermined location for a metal halide dose or salt pool that minimizes the impact on the light emitted from the light source. The discharge chamber is preferably asymmetric about a second axis that is perpendicular to a longitudinal axis. In one embodiment, the discharge chamber preferably includes first and second generally spheroidal portions of different diameters spaced along the longitudinal axis. The arc tube has different wall thicknesses in yet another arrangement. In a further exemplary embodiment, a portion of a wall that forms the discharge chamber includes a generally concave surface. These features may be used individually or in combination. | 12-08-2011 |
20110298367 | ARC SHAPED DISCHARGE CHAMBER FOR HIGH INTENSITY DISCHARGE AUTOMOTIVE LAMP - A method of forming a discharge lamp and the resultant discharge lamp include providing an arc tube having first and second ends offset from a central arcuate or curvilinear portion of the discharge chamber formed between the arc tube ends. Electrodes extend from the first and second ends and at least partially into the discharge chamber which is locally substantially rotationally symmetric, i.e., substantially circular cross-section over a length thereof. Preferably, the arc tube and discharge chamber have a curvilinear conformation where the first and second ends are located below the central portion of the arc tube and associated discharge chamber in horizontal orientation during operation. Terminal ends of the electrodes preferably follow a local axis of the curvilinear conformation. The wall thickness of the discharge chamber may be alternatively constant or non-constant along a longitudinal extent thereof. | 12-08-2011 |
20110298368 | DISCHARGE CHAMBER FOR HIGH INTENSITY DISCHARGE LAMP - A high intensity discharge light source includes an arc tube having a longitudinal axis and discharge chamber formed therein. The light source includes first and second electrodes having inner terminal ends spaced from one another along the longitudinal axis. Each electrode extends at least partially into the discharge chamber. The discharge chamber is deformed so that its internal geometry is substantially rotationally asymmetric about its longitudinal axis, and is substantially mirror-symmetric relative to a plane spanned by the longitudinal axis and by another transverse axis that is perpendicular to the longitudinal axis and is vertical in a horizontal arc tube orientation, as well as substantially mirror-symmetric relative to a central plane perpendicular to the longitudinal axis. In a preferred embodiment of the disclosure the discharge lamp is of a single ended construction and the arc tube of the lamp is of double ended configuration, the discharge lamp having proximal and distal end electric lead wires to connect the arc tube to the lamp base, and the distal end electric lead wire is running below and parallel to the longitudinal discharge chamber axis in a horizontal lamp orientation, and its lateral direction coincides with the lateral direction of the central convex portion of the laterally complex concave-convex-concave deformed surface portion all along the longitudinal axis of the discharge chamber. | 12-08-2011 |
20110298369 | METHOD OF MANUFACTURING LAMP AND QUARTZ BULB - It is intended to enable accurate positioning of an electrode top end such that the arc length is constant and prevent leakage from sealing portions due to bending or twisting of a molybdenum foil upon sealing an electrode mount by heating the sealing portion. For attaining the object described above, a quartz bulb in which extension tubes each having an inner diameter larger than the inner diameter of the opening of a body tube is welded the openings of both ends of a body tube formed with light emitting portion and a sealing portion thereby forming to a positioning step is used, and electrode mounts each formed with a positioning engagement portion at a position spaced apart by a predetermined length from the electrode top end are inserted to engage the positioning engagement portion of the electrode mounts to the positioning step and, in this state, the sealing portions are sealed. | 12-08-2011 |
20120025702 | ELECTRICAL LAMP HAVING SEAL AND METHOD FOR PRODUCTION - An electrical lamp may include a bulb made of glass which surrounds a volume; illumination means extending into the volume and a filling being accommodated in the volume; the illumination means being fastened at least by means of a supply line in the wall of the bulb and being sealed there; wherein at least one part of the axial length of the supply line is surrounded inside the wall by a prevention structure, which is present in the glass itself. | 02-02-2012 |
20120056533 | CERAMIC METAL HALIDE LAMP - High color rendition (Ra≧80) and high efficiency (η≧100 (1 m/W)) which are effects conflicting to each other in a metal halide lamp are attained. An arc tube formed of translucent ceramics, capillaries are formed continuously on the both ends of an arc chamber formed substantially in an ellipsoidal shape in the direction of the longitudinal axis by way of a transition curve with no angled corner, and the arc tube is designed to effective length L/effective inner diameter D of 1.8 to 2.2, and formed to such a size that the lowest temperature of the arc chamber is 800° C. or higher and the highest temperature of the arc chamber is 1200° C. or lower during lighting, and at least thulium iodide, thallium iodide, sodium iodide, and calcium iodide are sealed as metal halides where sodium iodide and calcium iodide are sealed by a molar ratio of 40 to 80% and less than 30%, respectively, based on the entire metal halides. | 03-08-2012 |
20120091892 | PLASMA CRUCIBLE SEALING - A plasma crucible has a through bore and two tubes butt scaled on to the end faces of the crucible. One of the tubes is closed prior to the filling of the crucible. The tube is tipped off and worked in a glass lathe to form it to have a flat end. After evacuation, dosing and gas fill, the other tube is tipped off in the similar manner. | 04-19-2012 |
20120119645 | COMPACT HIGH INTENSITY DISCHARGE LAMP WITH TEXTURED OUTER ENVELOPE - A compact mercury-free high intensity discharge (HID) lamp particularly suitable for automotive headlamp application has a pair of spaced and opposing electrodes sealed in a transparent enclosure defining an arc chamber. An outer transparent envelope has a first and second textured light scattering stripe on its interior surface on substantially opposite sides thereof extending continuously from one electrode to the other. The stripes widen the cross-sectional luminance distribution of the arc discharge image and make the image of the arc straighter while keeping light scattering losses at minimum so that the reduced arc peak luminance is still at the desired level. In other versions, a plurality of textured light scattering stripes of smaller widths are employed to replace a single wider light scattering stripe. | 05-17-2012 |
20120139414 | VEHICLE DISCHARGE LAMP - A vehicle discharge lamp includes: an arc tube including a light emitter, a cathode side fine tube and an anode side fine tube; a cathode side connecting rod; an anode side connecting rod; a cathode side electrode and an anode side electrode disposed within the arc tube. The anode side fine tube includes an expansion portion and an insertion portion formed continuously with the expansion portion, a portion of the anode side electrode is situated within the expansion portion with a clearance, the expansion portion includes a uniform diameter portion with its inside diameter set uniform in an anode side electrode's axial direction, the light emitter includes a flat portion with its axial direction set coincident with the anode side electrode's axial direction, and an inside diameter of the uniform diameter portion is set larger than that of the insertion portion and smaller than that of the flat portion. | 06-07-2012 |
20120153820 | COMPACT HID LAMP WITH MULTIPLE PROTECTIVE ENVELOPES - A High Intensity Discharge (HID) lamp ( | 06-21-2012 |
20120181926 | VEHICLE DISCHARGE BULB - A mercury-free vehicle discharge bulb is provided. The discharge bulb includes an arc tube a glass shroud extending in a front-rear direction to cylindrically surround the arc tube, a metal band surrounding and holding a rear end portion of the glass shroud, and an insulating plug supporting the glass shroud in a fixed manner via the metal band. A ratio S | 07-19-2012 |
20120206040 | DISCHARGE LAMP BULB - A discharge lamp bulb has: an outer tube formed by sealing two ends of an arc tube-surrounding portion by first seal portions, the outer tube being made of quartz glass; a ceramic arc tube mounted inside the arc tube-surrounding portion; electrodes that are supported so as to be opposed to each other inside the arc tube by the second seal portion; lead wire assemblies connected to the electrodes and fixed to the first seal portions; and an electrically insulating plug that includes a metal terminal and that holds the outer tube. One of the inside lead wires is provided with a stress-relieving portion. A hollow cylindrical portion that houses the stress-relieving portion therein and that holds a periphery of the stress-relieving portion is provided integrally with the outer tube. | 08-16-2012 |
20120262060 | ENVIRONMENTALLY FRIENDLY METAL HALOGEN LAMP COMPRISING BURNER MADE OF QUARTZ GLASS OR CERAMIC GLASS - The invention relates to a metal halogen lamp comprising an elongated arc tube enclosed in a transparent casing, wherein the arc tube is made up of a hollow glass body comprising two end portions and a middle portion, and electrode is arranged on the respective end portion, which electrodes, each having an electrode end, upon connection to a power source and during operation of the metal halogen lamp, generate an arc between them; and the glass body encloses halogens (h) and metal atoms (m) and has a wall thickness which is thicker on the end portions than on the middle portion. The thicker end portions each have a length (L | 10-18-2012 |
20130285543 | DISCHARGE LAMP WITH AN OUTER BULB SURROUNDED BY A WIRE MESH AS EXPLOSION PROTECTION - A bushing for a high-pressure discharge lamp, which is suitable for connecting an electrode in the interior of a ceramic discharge vessel to a supply lead in a gastight manner on the exterior of the discharge vessel, wherein the bushing is an electrically conductive ceramic composite consisting of a mixture of LaB | 10-31-2013 |
20140077693 | Plasma Light Source - Operation to produce an intermediate product for a crucible for a LUWPL is as follows:
| 03-20-2014 |
20140232261 | CERAMIC DISCHARGE VESSEL AND RELATED LAMP AND METHOD OF MANUFACTURING SUCH A VESSEL - A ceramic discharge vessel for discharge lamps is provided, with a central main part which extends between the tips of two electrodes and which is essentially tubular and with two ends for fixing and sealing an electrode system, wherein the ceramic discharge vessel has a longitudinal axis and wherein the main part consists of two halves which are connected in the middle of the main part wherein the two halves are frustoconically shaped with a draft angle p of 0.5°≦p≦7.0°. | 08-21-2014 |
20140333200 | OPTIMIZED HID ARC TUBE GEOMETRY - The geometry of a High Intensity Discharge (HID) arc tube is controlled to improve lamp color control and temperature distribution. In some embodiments, conical sections located at the transition zones near the electrodes are included to provide tunnel-like body-leg interface portions. The body-leg interface portions are shaped so as to advantageously control the temperature distribution along the internal surface of the discharge chamber wall so that it monotonically decreases resulting in a stable local cold spot location at the body-leg interface. | 11-13-2014 |
313635000 | Envelope layer or coating | 16 |
20080203921 | Single-ended Ceramic Discharge Lamp - A single-ended ceramic discharge lamp is described which has an integral optical surface such as a parabolic or elliptical reflector. The single-ended configuration eliminates the need for the mounting structures found in double-ended lamps that can interfere with the light emitted from the lamp, particularly in focused beam applications. | 08-28-2008 |
20080203922 | High intensity plasma lamp - A plasma lamp is provided having an integrated dielectric waveguide structure having a body, a gas housing formed within the body and having an aperture formed at a first outer surface of the body, a fill mixture disposed within the gas housing, and a probe operatively coupled to the body so that microwave energy supplied to the fill mixture forms a plasma that emits high intensity light. | 08-28-2008 |
20090009085 | Tld Low-Pressure Gas Discharge Lamp - The invention relates to a low-pressure mercury vapor discharge lamp ( | 01-08-2009 |
20090039786 | COMPACT INCANDESCENT LAMP WITH INTEGRATED REFLECTOR - The invention relates to a compact incandescent lamp with an integrated reflector, comprising at least a lamp bulb, on one part of the surface of which the reflector is applied as a reflective layer and another part thereof is a light output window, an incandescent element, which is arranged in a defined way in the lamp bulb and is positioned in a defined way with respect to the reflective layer, wherein at least the part of the lamp bulb which carries the reflective layer is non-axisymmetric and/or a part of the light output window is asymmetrically shaped, so that the visible light which the lamp can generate illuminates a region of space non-axisymmetrically. | 02-12-2009 |
20090096377 | EXCIMER LAMP - An excimer lamp which can emit UV radiation with a high degree of efficiency and high degree of uniformity, has a UV-reflecting film that does not peel. The excimer lamp is fitted with a silica glass discharge vessel that encloses a discharge gas which forms excimer molecules by dielectric barrier discharge in an internal space enclosed by a top wall panel, a bottom wall panel, side wall panels and end panels and with an electrode on both the outer surface of the top wall panel and another electrode on the outer surface of the bottom wall panel. On the inner surface of the discharge vessel, a UV-reflecting film comprised of silica and alumina particles is formed, at least, on the inner surface area of the side wall panels with the silica particles composing at least 30 weight % of the UV-reflecting film. | 04-16-2009 |
20090206754 | Electromagnetic shielding light-transmitting member and method for manufacturing same - Disclosed is an electronic shielding light-transmitting member having an adhesive ( | 08-20-2009 |
20090206755 | LAMP TUBE STRUCTURE WITH REFLECTIVE SURFACE - Disclosed is a lamp tube structure with reflective surface. In this invention, the lamp tube structure with reflective surface can be achieved by forming a reflective layer on the inner surface or outer surface through coating, plating, chemical vapor deposition, sputtering, evaporation deposition or pasting. The lamp tube structure with reflective surface can also be achieved by the assembling the parts with reflective surface in combination with the transparent lamp tube or lamp tube parts, in this invention. The incorporation of the reflective surface lets the lamp light be utilized more effectively, and it is helpful to energy saving. | 08-20-2009 |
20100001643 | DISCHARGE LAMP AND METHOD FOR PRODUCING A BULB NECK FOR A DISCHARGE LAMP - The invention relates to a discharge lamp with a discharge vessel ( | 01-07-2010 |
20100134006 | PLASMA DISPLAY PANEL AND MANUFACTURING METHOD THEREOF - An object of the present invention is to provide a plasma display panel that can suppress the generation of cracks in a dielectric layer, and also improve the yield, and a method for manufacturing such a display panel. A dielectric layer on a front panel is designed to have a two-layer structure in which a first dielectric layer and a second dielectric layer are laminated, and the first dielectric layer is formed through processes in which, after printing or applying a dielectric paste containing a glass flit onto a front substrate so as to cover display electrodes formed thereon as a stripe pattern, drying and firing the resulting substrate at a temperature not less than a softening point of the glass flit, and the second dielectric layer is formed on the first dielectric layer by using a sol-gel method. | 06-03-2010 |
20100213840 | DISCHARGE LAMP AND METHOD FOR PRODUCING SAME, LIGHT SOURCE DEVICE, AND PROJECTOR - A discharge lamp includes an arc tube and a boron oxide film formed on an inner surface of the arc tube. | 08-26-2010 |
20100213841 | DISCHARGE LAMP, METHOD FOR PRODUCING SAME, LIGHT SOURCE DEVICE, AND PROJECTOR - A discharge lamp includes an arc tube, a first protection film mainly made of a metal oxide and formed on an inner surface of the arc tube, and a second protection film mainly made of boron nitride or boron oxide and formed on the first protection film. | 08-26-2010 |
20110101860 | DISCHARGE LAMP, MANUFACTURING METHOD THEREOF, AND PROJECTOR - A discharge lamp that includes an arc tube made from silica glass, and a modified layer as a boron- or germanium-diffused layer formed in an inner surface of the arc tube. | 05-05-2011 |
20110260612 | PLASMA DISPLAY DEVICE, GLASS FILTER FOR THE PLASMA DISPLAY DEVICE AND MANUFACTURING METHOD FOR THE GLASS FILTER - In order to optimally implement functions of a glass filter and reduce manufacturing costs by reducing a defective rate of a plasma display device, the present invention provides a plasma display device comprising: a plasma display module; a frame supporting the plasma display module; a glass filter on whose rear the frame is fixed; and a rear housing protecting the plasma display module in the rear thereof, wherein the glass filter comprises: a substrate: a functional film layer on whose external surface a black frame layer defining an effective screen is formed; a pressure sensitive adhesive layer adhering the functional film layer to the substrate; and an electromagnetic waves shielding layer provided in the rear of the substrate and blocking electromagnetic waves generated from the plasma display module to transfer it to the frame. | 10-27-2011 |
20110285282 | DEUTERIUM LAMP - A deuterium lamp is provided having a lamp base ( | 11-24-2011 |
20110291557 | HIGH PRESSURE DISCHARGE LAMP - A high pressure discharge lamp may include a ceramic discharge vessel and a longitudinal axis, wherein at least one electrode is led out of the discharge vessel by means of a metal-containing feed-through, wherein the feed-through is connected to one end of the discharge vessel by way of a ceramic-containing adjustment part, wherein the adjustment part is tubular and consists of individual layers with different compositions, at least two materials A and B forming a plurality of layers of the adjustment part, these materials being chosen such that their coefficient of thermal expansion is between that of the feed-through and that of the end of the discharge vessel or at most is just outside, the layer thickness of each layer being so low that no shearing forces can occur, and the layer thickness of each layer of the same material being different. | 12-01-2011 |
20130293101 | DISCHARGE LAMP HAVING A DISCHARGE VESSEL AND MERCURY FILLING - A discharge lamp having a mercury-filled discharge vessel, a shatterproofing layer on the outside of the discharge vessel, and a contamination protection material applied to the inner face of the shatterproofing layer is disclosed. In case of breakage, discharge vessel shards are held together by the shatterproofing layer, and the mercury is bonded to the contamination protection material. | 11-07-2013 |