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7615929 Ceramic lamps and methods of making same  
A lamp having a ceramic arc envelope, an end structure coupled to the ceramic arc envelope and extending across an opening in the ceramic arc envelope, where the end structure comprises a...
7612503 Electric lamp having an outer bulb  
The elongate inner bulb ( 1 ) defines a longitudinal axis (A) and is sealed at mutually opposing ends by sealing parts ( 6; 32 ), an outer bulb being placed, with an adjoining tube piece, over the...
7604240 Capillary seal for a burn chamber  
A heat-tolerant capillary seal for a burn chamber preferably includes a pass-through in an outlet of the burn chamber and an adhesion material in a gap between the pass-through and the interior of...
7602115 Electrode system with a current feedthrough through a ceramic component  
An electrode system with a current feedthrough through a ceramic discharge vessel is provided which, on one hand, increases the visible output of lamps and, on the other hand, allows smaller...
7598676 Discharge lamp  
A discharge lamp includes a coaxial waveguide for high-frequency electromagnetic wave transmission and a discharge tube for emitting light of discharge by plasma generated by electromagnetic waves....
7595592 Discharge lamp and method of making same  
A discharge lamp can be configured to include a glass tube bulb; a pair of discharge electrodes arranged within the glass tube bulb; and metal foils enclosed within sealing portions at both axial...
7573201 Dielectric barrier discharge lamp having pluggable electrodes  
The invention relates to a dielectric barrier discharge lamp having outer electrodes which have ends in the form of plug connection elements.
7560865 Discharge lamp of the short arc type  
A discharge lamp of the short arc type having an arc tube, a hermetically sealed tube at each of opposite ends of the, a pair of electrodes which are located in the arc tube, electrode rods which...
7525252 Sealing tube material for high pressure short-arc discharge lamps  
The present invention is directed to the use of a molybdenum-rhenium alloy in the construction of sealing tubes for high pressure discharge lamps.
7521870 Luminous containers and those for high pressure discharge lamps  
A luminous container has an electrode supporting member composed of a pipe-shaped metal piece. The electrode supporting member 8 has a clamped portion pressed and clamped with and non-clamped...
7521869 Electric discharge lamp with halide resistant conductor  
An electric discharge lamp comprising: a light-transmissive ceramic discharge vessel ( 1 ); a first and a second current conductor ( 2,3 ) entering the discharge vessel ( 1 )and each supporting an...
7514872 Reflector lamp with engaging electrical contact  
A lamp ( 50 ) has a lamp envelope ( 10 ) having a body ( 12 ) with a bottom ( 14 ) having a lead-in accepting channel ( 18 ); a seat ( 22 ) formed with the bottom ( 14 ) adjacent one of the lead-in...
7514871 High-pressure gas-discharge lamp with improved temperature resistance  
The invention relates to a high-pressure gas-discharge lamp, having at least one gastight fused press-seal between a glasslike material and molybdenum, wherein the molybdenum in the fused...
7511429 High intensity discharge lamp having an improved electrode arrangement  
An arc tube is provided for use in a high intensity discharge lamp. The arc tube is generally comprised of an elongated outer envelope defining two opposed ends and a cavity therebetween; an...
7501766 Lamp having an envelope with an oxidation resistant seal employing a unidirectional carbon fiber mat infiltrated with SiC  
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...
7498742 High-pressure discharge lamp, and method of manufacture thereof  
A ceramic gas tight high-pressure burner includes an ionizable filling. The burner further includes a discharge vessel having a discharge cavity with a volume in the range of 3 mm 3 to 30 mm 3 ,...
7492085 Cold cathode fluorescent lamp with mixing gas filled therein and backlight module using same  
A cold cathode fluorescent lamp ( 30 ) includes a working gas ( 32 ), a transparent tube ( 34 ), a cold cathode ( 36 ), and an anode ( 38 ). The transparent tube receives the working gas therein,...
7492082 Light source apparatus with sealing portion receiving section  
It is an object of the present invention to provide a light source apparatus capable of reducing the production cost and increasing productivity. A light source apparatus comprises an approximately...
7489081 Light burner and method for manufacturing a light burner  
The invention describes a light burner ( 1 ) comprising a discharge chamber ( 2 ) containing a gas sealed in the discharge chamber ( 2 ) by a seal ( 4, 5 ) and a pair of electrode shafts ( 6, 7 ),...
7456560 Vehicle headlight bulb  
The invention relates to a vehicle headlight bulb with a bulb receptacle, a spiral wound filament ( 2 ) which is arranged inside the receptacle for the bulb ( 1 ) and a lamp base which has a metal...
7453212 Ceramic discharge vessel having tungsten alloy feedthrough  
A tungsten alloy feedthrough for ceramic discharge vessels is used to form a hermetic seal with the ceramic body of the discharge vessel. The tungsten alloy comprises tungsten alloyed with a metal...
7439676 Cold cathode fluorescent lamp with molybdenum electrode  
A cold cathode fluorescent lamp ( 1 ) has feedthrough pins ( 5 ) made from molybdenum or a molybdenum alloy that form a glass-metal seal ( 6 ) with a glass composed of 55-75 wt. % SiO 2 , 13-25 wt....
7427828 Lamp assembly provided with L-shaped electrical connector and integrated unifying means  
A lamp apparatus for a liquid crystal display that is capable of preventing a wire breakage of the lamp apparatus, a lamp causes a discharge by a voltage applied from a power terminal to generate...
7417364 Light source with sealant cover  
A light source includes a lamp and housing. The housing has a right-angle form with a first leg for the lamp, a second leg for connecting leads for the lamp and a jointure between the legs having...
7402954 High-pressure discharge lamp, having a seal comprising a gas-filling cavity  
A high-pressure discharge lamp ( 1 ) having a quartz glass discharge vessel ( 2 ) enclosing a discharge space ( 3 ) with an ionizable filling, wherein a first electrode ( 4 ) and a second electrode...
7382097 Injection molded ceramic metal halide arc tube having non-tapered end and method of forming same  
An arc tube for a ceramic metal halide lamp includes a hollow first body member ( 40 ) that is tapered along a majority of its length to aid in removing the molded component from a pin during...
7382093 Device for operation of a discharge lamp of the short arc type  
A device for operating a discharge lamp of the short arc type having a feed device which supplies a direct current to the discharge lamp when operation starts and an alternating current afterwards,...
7378799 High intensity discharge lamp having compliant seal  
In certain embodiments, a lamp is provided with an arc envelope including a ceramic, an end member including a material different from the ceramic, and a compliant seal disposed between the end...
7362053 Ceramic discharge vessel having aluminum oxynitride seal region  
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...
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...
7358673 Electric lamp which is closed on two sides  
The bulb of the lamp is closed at opposite ends by sealing parts ( 6 ), with in each case one cap ( 8 ) being fitted at one end, the cap having an electrical contact element ( 13 ) which is...
7345426 Alloy for a lead member of an electric lamp and electrode structure of the electric lamp  
An alloy for a lead member is used for an electric lamp having a metal/vitreous material interface. Molybdenum or tungsten serving as an electric lamp current conductor is used as a base for the...
7329979 Electrically conductive cermet and devices made thereof  
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,...
7327085 Discharge tubes  
Discharge tubes for a lamp include a body portion with a first end, a second end, and a tubular member defining an interior area. The tubular member extends along an elongated axis between the...
7317284 Spacer bead geometry for controlled sealing stability  
A shaped bead structure provides a bottom sealing periphery adjacent a non-bonding portion which may include an upper portion which may provide upper envelope stability and may but will preferably...
7312563 Short arc lamp  
According to the present invention, a short arc lamp comprises a lamp main body having a reflective surface therein, a first opening on an optical axis thereof, and a second openings, a window...
7301282 High pressure mercury lamps and sealing members therefor  
An object of the invention is to reduce the adverse effects due to a difference of thermal expansion between a conductive sealing member and a light-emitting vessel and to provide a reliable high...
7297037 Ceramic discharge chamber for a discharge lamp  
A ceramic discharge chamber for a lamp, according to an exemplary embodiment of the invention, comprises a first member which includes a leg portion and a transition portion, wherein the leg...
7291981 Short arc lamp with improved manufacturability  
A short arc lamp incorporates a cylindrical reflector body having a reflector cavity opening to a first end and an anode aperture through a base surface at a second end. The body has a step at the...
7288894 Electric lamp  
An electric lamp has a discharge vessel which is sealed in a vacuum-tight manner and is made from glass, the discharge vessel being surrounded in particular by an envelope part, the discharge...
7276852 Lamp header with start-up conductor for an ultra high pressure bulb  
A lamp—suitable for use within a projector or other high-light output application—includes an ultra high pressure bulb. An extension from the bulb defines a start-up bubble. A conductor is...
7253563 Metal halide lamp  
A metal halide lamp includes a translucent air tight vessel having a light emitting tube portion with an internal discharge space, and sealing portions formed on both sides. A discharge medium in...
7253562 Lamp which is closed on two sides  
The elongate bulb ( 1 ) of the lamp, which defines a longitudinal axis (A), is closed at opposite ends by sealing parts ( 6; 32 ), with in each case one cap being fitted at one end, the cap having...
7247990 Crevice-less end closure member comprising a feed-through  
An end closure member ( 1 ) with a feed-through ( 5 ) having a feed-through entry opening ( 8 ) and a feed-through exit opening ( 9 ) and connection means ( 10 ) for forming a gas-tight connection...
7230382 High pressure mercury lamp with vented reflector and image projection apparatus  
A lamp with a reflector comprises a high pressure discharge lamp and a reflector. The reflector has a first opening and a second opening. Clearance between a sealing portion of the high pressure...
7227308 Assembly for precision focus of compact PAR lamps  
A lamp includes a reflector including a reflective portion, a heel, and a nose, wherein the nose includes an opening. A light source is disposed in the reflector. A pair of leads connects to the...
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...
7215081 HID lamp having material free dosing tube seal  
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...
7198534 Method for manufacturing high-pressure discharge lamp, glass tube for high-pressure discharge lamp, and lamp element for high-pressure discharge lamp  
A method for manufacturing a high-pressure discharge lamp includes a process step in which a sealing portion is formed out of a side tube portion of a glass pipe that is designed for use in a...
7187128 Joined bodies, luminous containers and assemblies for high pressure discharge lamps  
A joined body is provided, including a first member having a first joining face and sapphire exposed at the first joining face and a second member having a second joining face and sapphire or...