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WO/2002/056330 |
A power supply (1) is provided for a lamp system. The power supply (1) may include structure to switch from a high power level to a low power level. The high power level and the low power level together are a cycle that is repeated. The ...
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WO/2002/050873 |
The invention relates to a silent discharge lamp, in which the colour of the light emission can be controlled.
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WO/2002/050807 |
The invention relates to a preferably large format image display device, which consists of a plurality of individual silent discharge lamps.
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WO/2002/047102 |
A lamp 1 has a body 2 of sintered alumina ceramic material and an artificial sapphire window 3. The body 2 is initially moulded in green state and the window is pressed into a front recess 4. The combination is fired at a temperature of ...
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WO/2002/043107 |
The invention relates to a compact, electrodeless, low pressure gas discharge lamp which is characterised by a long shelf life and high light efficiency and light density. The inventive gas discharge lamp comprises a ball-shaped, ring-sh...
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WO/2002/043108 |
An electrodeless microwave discharge lamp includes a substantially sealed microwave cavity, an envelope disposed within the sealed cavity, the envelope containing a fill which emits light when excited by microwave energy, and means for c...
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WO/2002/043106 |
The invention relates to a gas discharge lamp for dielectrically impeded discharges, which gas discharge lamp is provided with a discharge vessel filled with a gas filling, which discharge vessel comprises at least a wall of a dielectric...
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WO/2002/039014 |
A lighting device using fluorescent lamps, comprising fluorescent lamps (1) each having a translucent airtight container (1a), a discharging medium formed mainly of a rare gas sealed in the translucent airtight container (1a), and at lea...
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WO/2002/027760 |
The invention relates to the capacitive modulation of the field distribution in a silent discharge lamp (1) effected by a structured, electrically conductive device (2) for defining preferred positions for discharge structures in the lam...
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WO/2002/027759 |
In a silent discharge lamp, a large number of supporting elements, which serve to support a cover plate across from a bottom plate and which are arranged in an alternate manner, are provided with individual discharge structures.
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WO/2002/027761 |
The invention relates to a silent discharge lamp, in which supporting elements (1, 2) for supporting a cover plate (3) across from a bottom plate (4) are provided as a one-piece component of the cover plate and have a tapering counter.
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WO/2002/027747 |
The discharge tube (1) of a dielectric barrier discharge lamp is closed in gas-tight manner, without the use of a connecting means, by means of a plate-shaped closure element (7). To this end, the discharge tube (1) has a constriction (1...
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WO/2002/027762 |
The invention relates to a dielectric-barrier discharge lamp, comprising a lamp cap (2), an elongated discharge receptacle (1) and strip-type external electrodes (5a-5f). Said lamp has a corresponding contact spring (7a-7f) for each exte...
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WO/2002/021571 |
The present invention relates to a bulb for the electrodes discharge lamp, which, for the purpose of completely blocking the diffusion of heat caused by the convection of air from contact with the discharge bulb or other ways of transfer...
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WO/2002/015215 |
A display device (10) (Fig. 1) which can be a plasma display panel or a highly loaded fluorescent lamp, comprises a hollow, translucent glass body (12) containing a medium capable of generating at least several wavelengths of UV radiatio...
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WO/2002/011181 |
A dielectric waveguide integrated plasma lamp is disclosed for powering a small and bright bulb with a diameter of a few millimeters. The lamp is contained within a high dielectric constant material which guides the microwaves to the bul...
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WO/2002/007483 |
An electrodeless discharge lamp (100), comprising an envelope (1) having discharge gas filled therein, a magnetic core (5), a coil (4) wound on the magnetic core (5) and generating magnetic field in the envelope (1), a magnetizing means ...
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WO/2001/088952 |
An electrodeless discharge lamp with high lamp efficiency. The electrodeless discharge lamp (100) comprises an envelope (1) having a discharge gas filled therein, a coil (8) producing an electromagnetic field in the envelop (1), and a ra...
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WO/2001/082332 |
A discharge lamp bulb includes a light transmissive envelope and at least one conductive fiber disposed on a wall of the envelope, where the fiber has a thickness of less than 100 microns. The lamp may be either electrodeless or may incl...
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WO/2001/079922 |
The present invention discloses a backlight including external electrode fluorescent lamps and a method for driving the backlight. The backlight includes fluorescent lamps having external electrodes made of an electrically conductive mat...
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WO/2001/075439 |
Breath test methods and apparatus for increasing accuracy and reducing the time taken to achieve diagnostically meaningful results. In order to determine, in the shortest time possible, when an increase in isotopic ratio of the exhaled b...
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WO/2001/073806 |
In one aspect (Fig. 1) the plasma lamp according to the present invention comprises a gas envelope (20) that is constructed from ceramic material (22) and a sapphire window (34) rather than quartz. According to another aspect (Fig. 2) of...
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WO/2001/067489 |
An electrodeless discharge lamp of high luminescence efficiency is provided. An electrodeless discharge lamp (150) comprises an envelope (106) filled with electric discharge gas, a core (103) arranged outside the envelope, and a coil (10...
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WO/2001/059748 |
The present invention relates to a neon sign device having a plain shape. The neon sign device having the plain shape according to the present invention comprises an upper glass sheet having electric discharge electrodes installed on its...
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WO/2001/059810 |
The invention relates to a flat gas discharge lamp, comprising a discharge chamber and electrodes, whereby the discharge chamber comprises a base plate (1), a top plate (2) and at least one spacer element (8) between the base plate (1) a...
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WO/2001/056053 |
A discharge light-emitting device includes a gas-filled discharge spaces (30) to use electric discharge in the gas. The gas contains at least 0.01 - 1% water vapor by volume. The specified amount of water vapor decreases discharge voltag...
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WO/2001/049081 |
A microwave-powered lamp comprises a microwave source, a non-resonant microwave cavity (4) operably coupled to the microwave source, the microwave cavity (4) being substantially cylindrical about a center line; an elongated bulb disposed...
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WO/2001/044717 |
The invention relates to a flat illumination device (1), comprising two, at least partly transparent, visible surfaces opposite each other, such that light, from one of the light sources backlighting the illumination device, for example,...
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WO/2001/039555 |
A self-tuned system includes an oscillator (30) and an oscillator-driven load which uses the oscillator-driven load as a frequency determining element of the resonant system. In one illustration, the oscillator-driven load is a lamp head...
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WO/2001/037318 |
The invention relates to the improvement of the temporal and local homogeneity of the luminance of a silent discharge lamp by inhomogeneously controlling the heat transport in/out of the lamp.
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WO/2001/035446 |
An electrodeless lamp comprising an envelope (1) filled with a discharge gas, a magnetic core (7), an induction coil (6) wound around the magnetic core (7), a drive circuit for driving the electrodeless lamp by supplying current to the i...
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WO/2001/035445 |
A fluorescent lamp having a discharge medium containing xenon gas sealed in a glass tube that is formed on the inner wall surface thereof with a fluorescent material coating and on the opposite ends thereof with sealing elements. At one ...
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WO/2001/035436 |
The invention relates to a method for producing a discharge lamp (1), which is preferably configured for dielectric barrier discharges. The novel aspect is characterised in that a support (10) is used in order to set and secure an electr...
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WO/2001/035442 |
The invention relates to a discharge lamp (1) which is preferably equipped for dielectrically hindered discharge. The invention is characterized in that a holder (10) is used in order to hold an electrode (6) in a position and to secure ...
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WO/2001/031670 |
The invention relates to a discharge lamp comprising a tubular lamp body (1), a lamp base (4) and lamp electrodes (2, 3) mounted on the wall of the lamp body (1). Each of said electrodes has an electrode section (20, 30), arranged outsid...
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WO/2001/029877 |
A device for driving an electrodeless discharge lamp comprises a transparent discharge container (1) with luminescent material enclosed therein, a coil (3) for producing an AC electromagnetic field to cause a discharge of the luminescent...
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WO/2001/027962 |
Various lamp systems are disclosed which effectively utilize light from an aperture lamp (3). Lamp systems are respectively configured to perform various types of light recapture including etendue recycling, polarization recycling, and/o...
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WO/2001/024225 |
The invention relates to an electrode-free discharge lamp comprising at least one ring-shaped closed discharging distance in the discharge vessel thereof whereby the discharging distance is surrounded at two opposing positions by a trans...
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WO/2001/022473 |
A fluorescent lamp, wherein a discharge medium containing xenon gas is sealed in a glass tube, formed on the inner wall surface thereof with a phosphor coating and at the opposite ends thereof with sealing elements. An internal electrode...
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WO/2001/022783 |
An apparatus (10) for generating ultraviolet radiation includes a pair of magnetrons (12) coupled to a longitudinally extending microwave chamber (14) for generating standing microwave energy waves within the chamber (14). Microwave ener...
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WO/2001/020642 |
Sputtering of the cathodes of a cold cathode fluorescent lamp is reduced or eliminated by removing electrodes altogether from the sealed envelope containing the gaseous medium. Electric field is then applied by means of electrically cond...
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WO/2001/011651 |
The invention concerns a novel method for producing discharge chambers, in particular for flat silent projectors. Said method consists in inserting a pumping rod (3) used for emptying and filling the discharge chamber into an opening (2)...
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WO/2001/011652 |
The invention concerns a novel method for producing containers for gas discharge lamps, which consists in melting glass by incident light radiation.
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WO/2001/011653 |
A gas discharge lamp comprising a discharge vessel which is, for instance, made up of a base plate, a front plate (2) and a frame (3), comprising at least one closing element (6) which closes a gas discharge opening in a gas-tight manner...
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WO/2001/011927 |
A dielectric barrier discharge lamp apparatus comprises dielectric barrier discharge lamps including a discharge plasma space filled with discharge gas that can produce excimers by dielectric barrier discharge. A dielectric lies between ...
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WO/2001/009924 |
There is described an ultraviolet light source comprising an ultraviolet lamp, a microwave energy source for exciting said ultraviolet lamp and an enclosure for enclosing the ultraviolet lamp, the enclosure comprising an optically transp...
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WO/2001/007830 |
The invention relates to a longitudinal light source (1) comprising at least one longitudinal lamp (3) which has two ends and is provided with a light conducting element (2;4;5) on at least one of said ends.
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WO/2001/003476 |
An inductively coupled electrodeless lamp has a pair of excitation coils positioned exterior to an envelope or bulb. The pair of excitation coils are positioned and driven in a manner to produce at least one moving ring-shaped electric f...
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WO/2001/003161 |
An ultra bright, low wattage inductively coupled electrodeless aperture lamp is powered by a solid state RF source in the range of several tens to several hundreds of watts at various frequencies in the range of 400 to 900 MHz. Numerous ...
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WO/2001/001448 |
An electrodeless lamp is excited at resonant frequency by means of a high quality cavity resonator having a strong link with a microwave source. After the lamp is switched on, the cavity resonator quality factor drops sharply, leading th...
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