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7633226 Electrode materials for electric lamps and methods of manufacture thereof  
An electron emissive material includes a composition including a metal oxide, where the metal oxide is at least one oxide of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc, Hf,...
7508133 Discharge lamp and illumination apparatus with gas fill  
A discharge lamp includes a glass tube having electrodes with an electron emissive material coated thereon, the electrodes being provided on respective ends of the glass tube, wherein the glass...
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...
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...
7064490 Compact self-ballasted electrodeless discharge lamp and electrodeless-discharge-lamp lighting device  
A bulb type electrodeless discharge lamp, comprising a recessed part ( 102 ), wherein the maximum diameter of a light emitting tube ( 101 ) is 60 to 90 mm and the tube wall load of the light...
7045960 High-pressure discharge lamp for motor vehicle headlamps  
A high-pressure discharge lamp for motor vehicle headlamps having a mercury-free ionizable fill which consists of xenon with a cold filling pressure of at least 2000 hPa and metal halides. The...
6992445 High intensity discharge lamp with single crystal sapphire envelope  
Described is a high intensity discharge lamp including a lamp bulb envelope, first and second electrodes, a seal and a fill situated within the lamp bulb envelope. The lamp bulb envelope is...
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...
6919685 Microsphere  
This invention comprises the use of microspheres containing ionizable gas in a gas discharge (plasma) display, photons for the gas discharge within a microsphere exciting a phosphor such that the...
6913503 High pressure discharge lamp and method of production therefor  
A high pressure discharge lamp includes a quartz glass bulb and a pair of electrodes. Each electrode of the pair of electrodes is disposed so as to be opposite the other in the quartz glass bulb....
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...
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...
6720731 Mercury discharge lamp of the short arc type  
A short arc mercury discharge lamp including an arc tube filled with at least mercury and a rare gas, a cathode and an anode positioned opposite to each other within the arc tube, the cathode...
6639343 Mercury-free metal halide lamp  
A mercury-free metal halide lamp includes an arc tube including a pair of electrodes inside the tube. In the arc tube, a rare gas and a metal halide are contained, and no mercury is contained. The...
6635991 Method of adjusting the light spectrum of a gas discharge lamp, gas discharge lamp, and luminaire for said lamp  
The invention relates to a method of adjusting a desired spectrum of light emitted by a gas discharge lamp during its operation, said gas discharge lamp comprising a first ionizable substance and a...
6611102 Tungsten-halogen light bulb, and reflector lamp using the same  
The present invention provides a tungsten-halogen light bulb having an arc tube with a seal portion at one end. A filament is provided in the interior of the arc tube, and a basic gas mainly...
6603267 Low-pressure gas discharge lamp with a copper-containing gas filling  
A low-pressure gas discharge lamp having a gas discharge vessel containing a gas filling including a copper compound. The copper compound is selected from the oxides, chalcogenides, hydroxides,...
6593692 High pressure discharge lamp with long life  
A short-arc high pressure discharge lamp with a shorter distance between electrodes than a conventional lamp that realizes a long life of at least 3000 hours and suppresses the arc jump phenomenon...
6255782 Flat type fluorescent lamp  
A flat type fluorescent lamp, obtaining an improvement in efficiency of brightness and being adjustable in an emitted light amount thereof, while maintaining a uniform light emission across the...
6133694 High-pressure lamp bulb having fill containing multiple excimer combinations  
A high pressure lamp bulb adapted to simultaneously emit distinct emission spectra of a desired wavelength, the lamp bulb comprising an envelope for containing a fill material under pressure and a...
6008580 Flat illumination light having a fluorescent layer and a sealed pressurized vessel  
A plurality of discharge electrodes (23), (24) are formed on a first substrate (22) at an interval between the adjacent electrodes set to 50 μm or smaller. A fluorescent layer (26) is formed on a...
5808398 Metal halide lamp having specific volume pressure ratio  
A metal halide lamp provided with an outer bulb having a volume V bu in which a discharge vessel with a volume V ob and having a ceramic wall is arranged, which vessel contains mercury, at least...
5739636 Cadmium discharge lamp of the short arc type and method of producing UV light therewith  
A cadmium discharge lamp which can emit line spectra with wavelengths of 214±2 nm with high power is achieved by encapsulating metallic cadmium, in an amount producing a pressure in stationary...
5686793 Excimer lamp with high pressure fill  
An excimer lamp utilizing a high pressure fill. The fill includes a halogen at an operating pressure of greater than about 350 torr or the combination of a halogen and a rare gas at a total...
5481159 Metal vapor discharge lamp  
A discharge lamp uses resonance lines which are emitted by ions in an excitation state and has a high short wave ultraviolet ray output. The lamp is provided with a pair of electrodes, having a...
5343114 High-pressure glow discharge lamp  
A high-pressure glow discharge lamp (1) having a planar discharge vessel (2) which is sealed in a vacuumtight manner, which surrounds a discharge space (3) filled with a gas mixture which forms...
5311067 High performance pulse generator  
The device is a compact Marx-type generator capable of producing a high-vage burst of pulses having risetimes less than 10 nanoseconds at repetition rates up to 10 kHz. High-pressure hydrogen...
4884009 Color selectable source for pulsed arc discharge lamps  
The present invention is directed to a novel system for producing selectable color bands from a single emission source. More particularly, this invention is directed to a small emission source...
4724352 Short-arc lamp with alternating current drive  
A short-arc lamp of the type having an internally integral reflector including electrodes mounted to extend along a central axis of symmetry of the lamp and having distal ends of similar shape...
4672270 Metal vapor discharge lamp having a starting device of a thermal switch type  
A metal vapor discharge lamp has a burner for sealing xenon gas, mercury and a light-emitting additive in a translucent ceramic tube, a starting device of a thermal switch type which has a series...
4481446 Metal vapor discharge lamp  
In a metal vapor discharge lamp for operating it by high voltage generated in the actuation of a heat sensitive switch means in an outer bulb, a relatively low pressure of a sealed gas or mercury...
3617804 CONTINUOUS PLASMA LIGHT SOURCE  
A light source apparatus for producing intense monochromatic light from a low-temperature plasma is disclosed. The light source apparatus comprises a housing member for confining a gas at...
3406307 Nonthermionic hollow cathode discharge devices  
3225251 Cathode glow display using a single cathode electrode  
2983834 Neutron discharge tube  
2975319 Tacttron  
2953705 Hydrogen filled thermionic valve  
2942136 Low pressure gas filled thermionic valve  
2939985 Low-pressure mercury vapour discharge tube  
2919372 Gaseous-discharge device  
Matches 1 - 40 out of 40