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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...
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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...
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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...
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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...
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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....
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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...
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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.
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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 ,...
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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,...
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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...
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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 ),...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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