|
Match
|
Document |
Document Title |
|
|
7583028 |
Mercury free arc tube for a discharge lamp
A mercury free arc tube for a discharge lamp has a closed chamber filled with rare gas and a metal halide containing at least Na halide, Sc halide and In halide, and electrodes. A ratio of a filled...
|
|
|
7573203 |
Mercury-free high-pressure discharge lamp and luminaire using the same
A mercury-free high-pressure discharge lamp includes a light-transmissive airtight envelope enclosing therein a discharge space, and a pair of electrodes sealed inside the light-transmissive...
|
|
|
7514874 |
Ceramic metal halide lamp with specific halide dosage to mercury weight ratio
A ceramic metal halide lamp wherein the halide dose includes the following component ranges in mol/cm 3 : Nal: 1.84×10-5 to 2.33×10-5, Lnl3: 5.20×10-6 to 6.60×10-6, Tl: 1.76×10-7 to...
|
|
|
7489083 |
Mercury-free arc tube for discharge bulb
The arc tube is provided with a mercury-free arc tube main body that has a discharge light-emitting portion (closed glass sphere), and a cylindrical shroud glass tube that is airtightly integrated...
|
|
|
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...
|
|
|
7468584 |
Discharge lamp with a discharge filling having a measured emission intensity of argon to OH radicals and method of manufacturing the same
Process for producing a discharge lamp having a silica discharge vessel with an emission space in which there is a pair of electrodes at least 0.15 mg/mm 3 of mercury, argon (Ar), and halogen by...
|
|
|
7449129 |
Ce,Pr-coactivated strontium magnesium aluminate phosphor and lamp containing same
A Sr(Al,Mg) 12 O 19 :Ce,Pr phosphor is described wherein the phosphor has an increased sensitivity to excitation by 185 nm radiation compared to a Sr(Al,Mg) 12 O 19 :Ce phosphor. The...
|
|
|
7435358 |
UVC-emitting Sr(Al,Mg)12O19:Pr phosphor and lamp containing same
The UVC emission of a Sr(Al,Mg) 12 O 19 :Pr is improved by providing an excess of magnesium relative to the molar amount praseodymium In particular, the UVC-emitting phosphor has a composition...
|
|
|
7419621 |
UV-emitting phosphor and lamp containing same
A UV-emitting phosphor is described wherein the phosphor is excitable by vacuum ultraviolet radiation (VUV). The phosphor is a gadolinium-activated strontium magnesium aluminate which preferably...
|
|
|
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...
|
|
|
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.
|
|
|
7245075 |
Dimmable metal halide HID lamp with good color consistency
Metal halide lighting with good color during dimming may be obtained. An appropriate balance of commonly used metal halides (NaI, DyI 3 , CeI 3 , CaI 2 , TlI) is dosed in the lamp. No mercury is...
|
|
|
7161302 |
High lamp-power lighting system and fluorescent lamp
A lighting system includes a fluorescent lamp 4 and a main body 1 for attaching the fluorescent lamp 4 thereto. The main body 1 is provided with a socket assembly 6 for the attachment of...
|
|
|
7141932 |
Metal halide lamp and automotive headlamp apparatus
A metal halide lamp includes a fire-resistant and translucent hermetic vessel containing amounts of scandium halide and sodium halide sealed in the hermetic vessel satisfying the formula of...
|
|
|
7138766 |
Dimmable metal halide lamp and lighting method
A metal halide lamp in which an arc tube is housed within a bulb having a base at one end thereof. The arc tube includes a main tube, two thin tubes that extend one from each end of the main tube,...
|
|
|
7116050 |
Metal halide lamp, headlight apparatus for vehicle using the same, and method of manufacturing metal halide lamp
A metal halide lamp comprises a discharge container including a discharge space and a pair of sealing sections. A discharge medium containing a metal halide and a rare gas and essentially free from...
|
|
|
7116049 |
Discharge tube with a specific amount of hydrogen gas by volume
In a discharge tube of the present invention, a filler gas is composed of a mixture of inert gas and hydrogen gas and an airtight cylinder 10 in which the filler gas is enclosed in an airtight...
|
|
|
7088042 |
Flat display device
In a flat display device having a pair of substrates for defining a gas discharge space in which a gas used to generate discharge luminance is sealed, means for absorbing or reflecting near...
|
|
|
7057349 |
Lightening device for metal halide discharge lamp
A metal halide discharge lamp which essentially permits disusing mercury is provided. The metal halide discharge lamp comprises a refractory and transparent hermetic vessel, a pair of electrodes...
|
|
|
RE38807 |
High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same
The present invention provides a high pressure discharge lamp which is provided with a discharge tube containing a pair of electrodes therein and being filled with mercury, an inert gas and a...
|
|
|
6946797 |
Metal halide fill, and associated lamp
A metal halide fill for forming an ionizable fill comprising at least one inert gas, mercury, and at least one halogen, the fill additionally comprising the following constituents: Mn halide and V...
|
|
|
6946796 |
Light source device and liquid crystal display employing the same
A light source device includes at least one discharge tube, a discharge medium sealed inside the discharge tube, and first and second electrodes for exciting the discharge medium. The first...
|
|
|
6943498 |
High intensity discharge lamp and high intensity discharge lamp system using the same
To provide a high-efficiency and long-life high intensity discharge lamp that is obtained by a configuration in which a neon gas or a neon-based gaseous mixture is filled as a starting-assistance...
|
|
|
6861807 |
Control of leachable mercury in mercury vapor discharge lamps
The invention relates to a high-pressure gas discharge lamp, particularly a motorcar lamp, comprising a bulb including at least two neck portions and a vacuum-tight discharge vessel of quartz...
|
|
|
6853140 |
Mercury free discharge lamp with zinc iodide
A compact fused silica, electroded HID lamp for automotive forward lighting, which contains no mercury. The lamps voltage, approximately 40 volts, is developed in this lamp by vaporizing zinc...
|
|
|
6847167 |
High-pressure gas discharge lamp
The high-pressure gas discharge lamp ( 1 ) comprises a lamp vessel ( 2 ) having a wall ( 3 ) which is exposed to a wall load of at least 30 W/cm 2 during operation of the lamp, and a discharge...
|
|
|
6841938 |
Metal halide lamp
Metal halide lamps have a discharge vessel operable at a high coldest spot temperature. The discharge vessel encloses a discharge space comprising an ionizable gas filling and, in addition to Hg,...
|
|
|
6806648 |
Light source device and liquid crystal display device
A light source device includes at least one discharge tube, a discharge medium sealed inside the discharge tube, and first and second electrodes for exciting the discharge medium. The first...
|
|
|
6805814 |
Phosphor for light-emitting element excited by vacuum ultra-violet ray
The objective of the present invention is to provide a phosphor for use in a light emitting element excited by vacuum ultraviolet-ray that has high brightness even after plasma exposure. This...
|
|
|
6803724 |
Electrodeless lamp and lamp bulb therefor
A bulb for an electrodeless lamp comprises: an envelope through which the light can be permeated; a filled material filled in the envelope for emitting the light as being excited by high frequency...
|
|
|
6736994 |
Phosphor
A phosphor having a high emission luminance and a vacuum ultra-violet radiation excited light emitting element in which the phosphor is used are provided. The phosphor may be made of Ba, Gd, Y, B,...
|
|
|
6734630 |
Metal halogen electrodeless illumination lamp
A metal halogen electrodeless illumination lamp including a microwave generator coupled via a coupling means with a microwave cavity which contains a discharge bulb, and a microwave screen its...
|
|
|
6731069 |
Mercury-free metal halide arc lamps
A mercury-free metal halide arc lamp having an arc vessel of fused silica, an aspect ratio greater than 5, and containing a noble gas such as xenon, argon or krypton and a metal halide. In a...
|
|
|
6724145 |
Discharge lamp
The invention provides an arc tube with improved chromaticity and start-up characteristics that does not contain mercury, and provides a vehicle headlamp equipped with a metal halide lamp that...
|
|
|
6713958 |
Alternating current driven type plasma display device
An alternating current driven type plasma display device includes a plurality of sustain electrodes having a spacing less than 5×10 −5 m and a discharge gas in a discharge space where discharge...
|
|
|
6689292 |
Method of producing aluminate phosphor
It is desired to provide an aluminate phosphor having a high emission luminance, a method for producing the same, and a vacuum ultra-violet radiation excited light emitting element in which the...
|
|
|
6670759 |
Electrodeless discharge lamp
An electrodeless discharge lamp includes an envelope filled with a luminescent material to be excited to emit light and a filling material that substantially does not discharge to emit light. The...
|
|
|
6657390 |
Short-arc discharge lamp
To realize high irradiation efficiency and intensity stability for extending lifetime of the short-arc discharge lamp to be used for IC exposure apparatus or the like. For this end, mercury and...
|
|
|
6627114 |
Rare earth oxide type phosphor for vacuum ultraviolet ray excitation, phosphor paste composition and vacuum ultraviolet ray excitation type light-emitting device
A phosphor for vacuum ultraviolet ray excitation, which comprises a rare earth oxide type phosphor, wherein at least part of the surface of the rare earth oxide type phosphor is coated with a...
|
|
|
6605892 |
Gas discharge lamp and method for the production thereof
A gas discharge lamp having a discharge vessel, for example composed of a base plate, front plate ( 2 ) and frame ( 3 ), has at least one closure element ( 6 ) which closes a discharge vessel...
|
|
|
6583566 |
Low wattage fluorescent lamp having improved phosphor layer
A low-wattage mercury vapor discharge lamp is provided for use with existing 110V high frequency electronic ballasts. The lamp has a discharge sustaining fill of mercury and an inert gas mixture of...
|
|
|
6555962 |
Ceramic metal halide lamp having medium aspect ratio
A metal halide lamp has a ceramic discharge vessel with an inside length L, an inside diameter D, and an aspect ratio L/D of between 3 and 5. The fill gas includes xenon, mercury, sodium halide,...
|
|
|
6522084 |
Electrodeless discharge lamp operating apparatus
An electrodeless discharge lamp operating apparatus includes a transparent discharge vessel ( 1 ) in which a luminescent substance is enclosed; a coil ( 3 ) for generating an alternating...
|
|
|
6498429 |
Sodium-xenon lamp with improved characteristics at end-of-life
A mercury-free high pressure sodium vapor lamp is dosed with sodium, xenon and zinc as an elemental metal additive. The addition of the metal additive prevents an undesirable low-voltage operating...
|
|
|
6483241 |
Mercury-free metal halide lamp with a fill containing halides of hafnium or zirconium
A mercury-free metal halide lamp with a light efficiency of at least 70 Im/W and a color rendering index of at least 80 has a ceramic discharge vessel, into which electrodes are introduced in a...
|
|
|
6456008 |
Metal Halide lamp having improved shunting characteristics
The amount of a metal halide to be enclosed in a generally ellipsoidal discharge space 24 within a discharge vessel 20 a is set in the range 0.006-0.01 mg per unit volume (μl) of the discharge...
|
|
|
6433482 |
Barium light source method and apparatus
Visible light emission is obtained from a plasma containing elemental barium including neutral barium atoms and barium ion species. Neutral barium provides a strong green light emission in the...
|
|
|
6398970 |
Device for disinfecting water comprising a UV-C gas discharge lamp
The device for disinfecting water comprises a gas discharge lamp including a discharge vessel with walls composed of a dielectric material, which walls are provided on their outer surfaces with at...
|
|
|
6392346 |
Chemical composition for mercury free metal halide lamp
Rare-earth halides are shown to be a replacement for scandium halides in mercury-free discharge arc lamps if modifications are made to the prior art lamp design and operating temperatures. The...
|
|
|
6369523 |
Luminescence controlling apparatus, a luminescence apparatus, an image reading apparatus and an image forming apparatus
A luminescence controlling apparatus includes a rare gas pipe equipped with a pair of electrodes in which rare gas is sealed, a power supply for impressing voltage to the pair of electrodes and an...
|