|8598789||Discharge lamp with improved discharge vessel|
A high pressure gas discharge lamp has electrodes that project into a discharge space surrounded by a discharge wall. The discharge space has a filling of rare gas and metal halides. The metal halide composition comprises halides of sodium and scandium with a mass r...
|8564200||Metal halide lamp|
The invention provides a metal halide lamp 1 wherein the concentration of the filling components fulfill a condition according to claim 1. Such a lamp is found to be a good alternative to existing high-pressure discharge lamps (Ceramic Discharge Metal ...
|8558457||Lamp comprising glass tube having pinched sealed portion at end|
A lamp (14) has an inner tube (32) pinch sealed at one end to form a pinch seal (82), to which a base (36) is attached. The base (36) has a pair of base pins (102, 104) provided in parallel to the axis of the inner tube (...
|8436539||Thorium-free discharge lamp with reduced halides and increased relative amount of Sc|
A high-pressure gas discharge lamp has a sealed discharge vessel with an inner discharge space. Two electrodes project into the discharge space. The filling in the discharge space includes metal halides and a rare gas. The filling is free of Hg and Th and includes h...
|8390198||Discharge lamp with an improved cathode of the type having a thoriated tungsten part|
A discharge lamp with excellent arc stability and excellent durability in which the use level of thoriated tungsten is restrained has an anode and a cathode in the interior of a discharge vessel, wherein said cathode is made up from a thoriated tungsten part with a ...
|8193711||Metal halide lamp|
A metal halide lamp is comprised of an airtight tube having a discharge section in which a discharge space is formed; a discharge medium which is enclosed in the discharge space, contains metal halide exhibiting a molar ratio of sodium halide to scandium halide of 1...
|8174195||Mercury-free arc tube for discharge lamp unit|
A mercury-free arc tube for a discharge lamp unit including a closed glass bulb in which main light emitting substances of NaI, ScI3, and ScBr3 and buffer substances of InI and ZnI2 are enclosed together with Xe gas, and wherein an a...
|8098014||Mercury-free arc tube for discharge lamp unit|
There is provided a mercury-free arc tube for a discharge lamp unit. The mercury-free arc tube includes a plurality of electrodes and a sealed chamber including a metal halide and a starting rare gas enclosed in the sealed chamber. A clearness index value P2
|8063566||Illumination apparatus and metal vapor discharge lamp|
An object of the present invention is to provide an illumination apparatus which includes an illumination fixture having an open-type reflector and a metal halide lamp, and can suppress a decrease in intensity and occurrence of glare. The illumination apparatus incl...
|7944148||Mercury free tin halide compositions and radiation sources incorporating same|
A radiation source is presented, the source comprising an ionizable mercury-free composition that comprises tin halide such that the halide to tin ratio is greater than 2. ...
|7847484||Mercury-free and sodium-free compositions and radiation source incorporating same|
An ionizable mercury-free and sodium-free composition is capable of emitting radiation if excited. A radiation source includes such an ionizable mercury-free and sodium-free composition. The ionizable mercury-free and sodium-free composition includes at least a meta...
|7714512||High red color rendition metal halide lamp|
An arc discharge metal halide lamp for use in selected lighting fixtures having a discharge chamber with light permeable walls of a selected shape bounding a discharge region of a selected volume through which walls a pair of electrodes are supported with ionizable ...
|7696695||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 ...
|7468585||Metal halide lamp|
A metal halide lamp of the present invention has an arc tube formed of ceramic and a pair of opposing electrodes. This lamp includes a Pr (praseodymium) halide, a Na (sodium) halide, and a Ca (calcium) halide enclosed within the arc tube. The Pr halide content Hp [m...
|7432658||Metal halide discharge lamp|
In a metal halide vapor lamp, particularly for application in aquaria, having a fill containing GdBr3, HoJ3, DyJ3, CsJ and TlJ, the fill additionally contains InJ, whereby all the said ingredients are mixed with each other in such a ...
|7423380||Metal halide lamp that has desired color characteristic and is prevented from non-lighting due to leakage of arc tube attributable to crack occurring at thin tube, and lighting apparatus adopting the metal halide lamp|
Provided is a metal halide lamp capable of being dimmed, which is prevented from non-lighting due to leakage of an arc tube attributable to a crack occurring at thin tubes, as well as realizing a desired color characteristic. The metal halide lamp has an arc tube th...
|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
|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 ...
|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...
|7391154||Low-pressure gas discharge lamp with gas filling containing tin|
A low-pressure gas discharge lamp includes a gas discharge vessel containing an inert gas filling as a buffer gas, and electrodes for generating and maintaining a low-pressure gas discharge. The lamp contains at least one tin halide. ...
|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...
|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...
|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. ...
|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...
|7298089||High-pressure discharge lamp|
A high-pressure discharge lamp has a lamp bulb of silica glass encapsulating mercury, an inactive gas, and a mixed halogen gas containing at least two halogen gases, and at least a pair of electrodes disposed in the lamp bulb in confronting relation to each other. T...
|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...
|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...
|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. ...
|7262553||High efficacy metal halide lamp with configured discharge chamber|
An arc discharge metal halide lamp for use in selected lighting fixtures comprising a discharge chamber having light permeable walls of a selected shape including therein a pair of end region wall portions through each of which a corresponding one of a pair of elect...
|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...
|7242144||High-pressure discharge lamp, high-pressure discharge lamp lighting device and automotive headlamp apparatus|
The present invention provides a high-pressure discharge lamp that uses substantially no mercury and reduces discharge flicker. The high-pressure discharge lamp is kept on with a lamp power of 50 W or lower in a stable state, and the temperature T (° C.) of the ele...
|7233110||Metal halide lamp and lighting device|
A metal halide lamp comprises a refractory, light-transmitting airtight container defining therein a discharge space with an internal volume of not more than 0.1 cc, electrodes sealed in the container, opposing each other with a distance of not more than 5 mm interp...
|7226470||Phototherapeutical apparatus and method for the treatment and prevention of diseases of body cavities|
A phototherapeutical apparatus and method are described. The apparatus includes an ultraviolet light source, an optical guidance system, and a patient interface. The patient interface is insertable at least partially into a body cavity and is operable to apply the g...
|7226334||Apparatus for making high buffer gas pressure ceramic arc tube|
An apparatus for making a ceramic arc tube for high intensity discharge (HID) lighting applications is provided wherein the arc tube contains a high buffer gas pressure and RF induction heating is used to melt a frit material to form a hermetic seal. ...
|7221098||Electric lamp with outer bulb and associated support body|
The lamp comprises a discharge vessel (2) which is closed off in a vacuum-tight manner and is arranged in an outer bulb (12), a getter material being held on a support body inside the outer bulb (12). The support body is a support strip (31
|7190118||Metal halide lamp having ionizable iodide salt|
A metal halide lamp comprising a substantially cylindrical discharge vessel having an internal diameter Di
|7189131||High buffer gas pressure ceramic arc tube and method and apparatus for making same|
A ceramic arc tube for high intensity discharge (HID) lighting applications is provided wherein the arc tube contains a high buffer gas pressure. A method and apparatus for making the arc tube are also provided wherein RF induction heating is used to melt a frit mat...
|7180248||Inductively coupled ballast circuit|
A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal...
|7176626||Method of controlling leachable mercury in lamps|
A method for inhibiting mercury from leaching from a land-filled arc discharge lamp containing a quantity of elemental mercury at least partially convertible to soluble mercury, provides for including within the lamp a quantity of a non-metallic copper-containing co...
|7166816||Inductively-coupled torodial plasma source|
Apparatus for dissociating gases includes a plasma chamber comprising a gas. A first transformer having a first magnetic core surrounds a first portion of the plasma chamber and has a first primary winding. A second transformer having a second magnetic core surround...