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7576480 |
Halogen incandescent lamp and method for its production
The present invention relates to an electrical incandescent lamp ( 1 ), in particular a halogen incandescent lamp, in which luminous element limbs ( 14, 16 ) extend in lamp vessel structural parts...
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7541726 |
Lamp filament
A base-up incandescent lamp ( 10 ) includes a coiled-coil filament ( 14 ) that has a primary wire ( 18 ) and a secondary wire ( 16 ), the primary wire ( 18 ) comprising an overwind that overlies...
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7498730 |
Light emitting device with photonic crystal
A light-emitting device comprises a light source in the form of an incandescent filament, a substantial part of which is integrated in a host element having at least one portion structured...
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7487781 |
Energy converter and method of making the same
An energy converter according to the present invention includes a heat source (radiator 1 ), which receives externally applied energy and raises its temperature, thereby emitting electromagnetic...
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7461953 |
Vehicle headlamp
A fog lamp is provided with a light source bulb having a filament as a light source for emitting light, and a secondary light source formed by reflection and collection of the light from the...
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7456558 |
Electric incandescent lamp provided with different pitch factors for each end of a filament component
The invention relates to an electric incandescent lamp, in particular a vehicle headlight, having at least one incandescent filament which is arranged within a light-permeable lamp vessel, the at...
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7402952 |
Incandescent lamp with a carbon cycle and a halogen cycle
The incandescent lamp, which uses a carbon cycle process, is equipped with a luminous body which, together with a fill, is introduced in a vacuum-tight manner into a bulb, the luminous body...
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7362049 |
Blue-enriched incandescent lamp
A blue-enriched incandescent lamp having on the interior surface of its light transmissive glass envelope a coating in accordance with an aspect of the invention. The coating contains a phosphor...
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7321189 |
Wedge lead lamp
A pin lead incandescent lamp may be adapted for use in wedge type sockets. Opposed planar faces may be attached to the pins, enabling coupling to corresponding socket faces. Resilient U shaped...
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7321188 |
Light filament formed from carbon nanotubes
A light filament ( 206 ) formed from carbon nanotubes is characterized by high mechanical strength and durability at elevated temperatures, a high surface area to volume ratio, and high emissivity....
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7282846 |
Christmas bulb structure
The present invention discloses an improved Christmas bulb structure, which comprises: a bulb shell; two conductive wire, extending from the interior of the bulb shell to the exterior of the bulb...
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7230589 |
Image-forming device
An image-forming device having, in an envelope, an electron-emitting element, an image-forming member for forming an image by irradiation of an electron beam emitted from the electron-emitting...
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7190117 |
Incandescent lamp having a carbide-containing luminous element
The incandescent lamp is equipped with a luminous element which is hermetically inserted in a bulb together with a filling, the luminous element having a metal carbide whose melting point is above...
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7012369 |
System for attaching a filament to a current lead-in
A filament assembly employs one set of primary filament coils ( 200 ) disposed in a spiral around one axis of revolution ( 220 ) is connected to one set of secondary filament coils ( 202 ) by a...
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6980734 |
Lamp filament design
An improved support is provided for locating a lamp filament axially within a lamp sleeve. The illustrated support is a spiral coil that includes a small diameter center portion that makes contact...
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6812626 |
Light source with matrix of microfilaments
A light source composed of a planar, or substantially level, flat or curved, rigid or flexible, matrix of microfilaments integrated on a single substrate and capable of emitting light by...
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6777859 |
Light source
A light source, in particular incandescent lamp, with a bulb ( 1 ), and filament ( 2 ) arranged in the bulb ( 1 ), and a heating device ( 3 ) for the filament ( 2 ), the filament ( 2 ) emitting...
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6771054 |
Current generator for low power voltage
A current generator for the production of a reference current includes a first P type transistor, a source of which is connected to a first pole of a resistor and a gate of which is connected to a...
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6729748 |
Internally illuminated candle
An electric lighting device which simulates the look of a wax candle. The device includes a body formed of relatively high melting temperature candle wax. A longitudinal channel runs between a top...
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6683411 |
Discharge lamp, ultraviolet ray irradiation apparatus and method of using the apparatus
Discharge lamp includes a synthetic quartz glass tube having an inside diameter of 8 mm or over and a pair of filaments provided within and at opposite ends of the glass tube with an L (cm)...
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6661177 |
High-pressure discharge lamp with ignition circuit including halogen incandescent lamp
The invention relates to a high-pressure discharge lamp comprising a discharge vessel which is enclosed, with clearance, by an outer bulb. The outer bulb is closed at one end by a lamp cap. The...
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6657369 |
Lamp with reflector and method of manufacturing the same
A lamp with a reflector in which a lamp is fixed firmly inside a reflector by fixing the lamp inside the reflector without using an adhesive. The lamp with a reflector includes a lamp having a base...
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6633112 |
Filament array for incandescent lamp
A filament array for an incandescent lamp comprises at least five filament sections ( 10 ) having their longitudinal axes parallel with one another and, when viewed in plan, being arranged...
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6611085 |
Photonically engineered incandescent emitter
A photonically engineered incandescence is disclosed. The emitter materials and photonic crystal structure can be chosen to modify or suppress thermal radiation above a cutoff wavelength, causing...
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6586864 |
Reflector lamp having a reflecting section with faceted surfaces
The invention is related to a reflector lamp comprising a parabolic primary reflecting section, a parabolic or spheric secondary reflecting section joined to the primary reflecting section, a...
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6577046 |
Electric discharge lamp with forked contacts
The electric discharge lamp comprises a shell ( 1 ) having an axis ( 2 ), which shell accommodates a starter ( 3 ) and pin-shaped contacts ( 4 ) extending in an axial direction. A cover ( 27 ),...
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6559597 |
Rotating liquefied filament for high efficiency incandescent lamps
An incandescent light, which uses a rotating, liquefied filament. The rotating filament consists of a thin layer of filament metal deposited on the interior convex surface of a refractory filament...
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6501219 |
Shatter-resistant incandescent lamp, silicone coating composition, and method
An environmentally favorable method is described for treating an incandescent lamp with a heat curable substantially organic solvent free silicone composition to improve the shatter resistance of...
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6469426 |
Incandescent lamp having a helical coil that comprises multiple sections of different pitches
An incandescent lamp element comprises an envelope and a filament ( 10 ) supported therein by a plurality of spaced supports. The filament comprises a helical coil of wire with sections ( 20, 21 )...
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6411021 |
Wedge base bulb with color coating
To eliminate the need for a cap provided only for coloring the light of a wedge-base bulb, and to eliminate the requirement for a multi-colored front lens of a vehicle identification lamp, a...
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6300710 |
Filament lamp for emission of yellow light
A filament lamp for an emission of yellow light, with a color film which is formed on the surface of the bulb, where the color film is essentially composed of a combined oxide of titanium, nickel...
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6262534 |
Lamp having light source mounted directly to stem
A light source(10) includes a bulb (14) having a pair of outer leads (16,17) extending therefrom in parallel and sealed directly in the glass stem (22), whereby the outer leads (16,17) and the...
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6242872 |
Programmable gradual illumination lighting device
A programmable gradual illumination device (10) for disposition intermediate a conventional light fixture (100) and a conventional light bulb (200). The device (10) includes a housing member (20)...
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6204598 |
Electric incandescent lamp with sintered glass plate
The electric incandescent lamp has a sintered glass plate (1) through which current conductors (2) and a metal tube (3) extend. An incandescent body (4) is connected to said current conductors (2)...
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6190466 |
Non-sag tungsten wire
The invention relates to non-sag tungsten wire for being used in light sources or heating elements, which tungsten wire is prepared from a tungsten block by powder metallurgy process with...
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6120737 |
Fragrant light bulb ring
An arrangement is used with a light bulb for emitting fragrance. The arrangement has a ring or other shaped member made of a first polymer. The first polymer has a first low melting point which is...
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6031331 |
Electric lamp having lamp vessel with improved pinch seal
The electric lamp has a quartz glass lamp vessel (1) having first and second neck-shaped portions (2, 3) with first and second seals (4, 5). Current supply conductors (6, 7, 8; 9, 10, 11) consist...
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6031321 |
Infrared thermal lamp
An infrared thermal lamp, which has a filament mounted to the lower end of a support rod downwardly extending from a stem of a base, is disclosed. The infrared thermal lamp includes an insulating...
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6018216 |
Multielement selective emitter
The invention, an incandescent light source, radiates a significantly larger portion of its power within the visible spectrum by enclosing an electrically heated tungsten filament, the radiant...
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5977001 |
Glass composition
The invention relates to a glass composition for electric lamps which glass composition comprises SiO 2 , Al 2 O 3 , Na 2 O, K 2 O, Li 2 O, B 2 O 3 , BaO and SrO and optionally CaO, MgO, ZnO,...
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5949181 |
Automotive lamp bulb with alignment bead
An automotive lamp bulb is provided that is easy to assemble. A glass bulb has a tip with a short projection at its upper end. A common lead wire is secured in a neck portion of the glass bulb with...
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5932956 |
Conductive pins for an illumination lamp
A conductive pin (4) for an illumination lamp is made of CuNi-alloy including by weight, 10-30% Ni and 70-90% Cu.
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5818154 |
Halogen incandescent lamp in cementless base
The lamp according to the invention has a metal holder part 2 with a rece in which the pinch seal 10 of the lamp bulb 1 is clampingly fixed with the aid of a plurality of support tabs 21a, 21b,...
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5814840 |
Incandescent light energy conversion with reduced infrared emission
Energy conversion among heat or electricity and incandescent light is achieved, in the case of incandescent light emission, with the emission having reduced IR content, using a high band gap...
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5793159 |
Lensed end lamp with curved filament for uniform illumination
A lamp which provides substantially uniform illumination over a predetermined area which includes a glass envelope having a lensed end and a curved filament contained within the envelope. The...
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5757111 |
Night light with phosphorescent element
A night light includes: a light bulb (10) that produces light when excited by an electric power supply; a phosphorescent element (18) disposed near the light bulb (10) for storing light from the...
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5680003 |
Coiled-coil filament design for an incandescent lamp
An improved coiled-coil filament for use in an incandescent lamp has a primary coil winding with a substantially uniform spacing between successive coil turns. The primary coil winding is wound...
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5659222 |
Vacuum sealed incandescent lamp with improved filament support structure
A subminiature incandescent lamp has a substantially cylindrical base to which a glass envelope enclosing the interior of the lamp is sealed. A pair of contact wires or pins are made of a metal...
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5565734 |
Electric incandescent lamp having filament sleeves engaged by envelope constrictions supporting the filament
The electric incandescent lamp has a filament (2) centrically supported in a tubular envelope (1) by constrictions (6) in the envelope at areas where a refractory metal member (7) short-circuits...
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5416376 |
Aerogel-supported filament
The present invention is a thin filament embedded in a low density aerogel for use in radiation detection instruments and incandescent lamps. The aerogel provides a supportive matrix that is...
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