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WO/2001/003161A2 |
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/2001/001448A1 |
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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WO/2000/075956A2 |
A method for increasing the spectral stability of cold cathode discharge infra-red light sources is described, especially for sources operating with a carbon dioxide fill. A catalyst is added inside the lamp envelope to induce recombinat...
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WO/2000/075961A1 |
A tubular discharge tube (12) includes an internal electrode (14) arranged longitudinally on its inner wall and an external electrode (15) arranged longitudinally outside the discharge tube (12). A discharge occurs between the internal e...
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WO/2000/070651A1 |
An electrodeless microwave discharge lamp includes a source of microwave energy, a microwave cavity (3), a structure (25) configured to transmit the microwave energy from the source to the microwave cavity (3), a bulb (9a) disposed withi...
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WO2000006419A9 |
A light assembly (10) for a vehicle includes a housing (12) having a light-transmissive cover (18) and an RF emission gas discharge light source (22) provided as a self-contained module mountable in the housing (12). The module (22) incl...
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WO/2000/067533A1 |
A dielectric barrier discharge lamp light source comprises a dielectric barrier discharge lamp (1) filled with a discharge gas that emits light by dielectric barrier discharge and provided with dielectric bodies (7, 8) interposed between...
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WO/2000/065635A1 |
The invention relates to a discharge lamp suitable for operating with a dielectrically impeded discharge, comprising a discharge vessel with two vessel walls (2; 7) which are parallel relative to one another at least in certain sections,...
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WO/2000/062330A1 |
The invention relates to a discharge lamp (1), comprising a base (2) which is suitable for operation by dielectrically impeded discharge. Said discharge lamp has a gap between the base (2) and the outer wall of the discharge vessel (3) w...
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WO/2000/058998A1 |
In a dielectric barrier discharge lamp an auxiliary discharge (2) is generated to faciliate the ignition of the lamp.
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WO/2000/055886A1 |
A photoconductive switch comprises a first layer (1), two contact layers (2, 3) arranged on said first layer and connectable to different potentials for applying a voltage thereacross, said first layer being adapted to be conducting upon...
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WO/2000/048219A1 |
An electrodeless gas discharge lamp (10) includes a light-transmissive envelope (12) having opposite ends (14, 16) and a midsection (18) about which an induction coil (24) is disposed. The envelope (12) and coil (24) are mounted transver...
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WO/2000/041215A1 |
A silent discharge tube having a structure in which an inner tube is disposed in an outer tube and having a small power consumption and a long life. The silent discharge tube comprises a discharge enclosure which has an outer tube and an...
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WO/2000/038482A1 |
The invention relates to a flat lighting device (1) comprising a light-conducting plate (2) and at least two electrical light sources (3, 4) which can be used to couple light into a light-conducting plate (2). A first light source (3) is...
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WO/2000/033351A1 |
In a capacitively coupled discharge lamp the electrode (4, 5, 6) comprises a dielectric material (6) that during operation is in contact with the discharge. The impedance of the dielectric material is small and its electron affinity is n...
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WO/2000/032244A1 |
There is described a steriliser comprising an ultraviolet lamp, a microwave energy source for exciting said ultraviolet lamp and an enclosure for enclosing the ultraviolet lamp, the enclosure comprising a UV transparent waveguide. The st...
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WO/2000/030142A1 |
A lamp bulb (1) includes a light transmissive envelope (2), a fill material disposed inside the envelope including a rare earth metal which forms a plasma discharge when excited, and a coating (3) disposed on an interior surface of the e...
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WO/2000/028575A1 |
The invention relates to a radiation device for therapeutic and cosmetic purposes, for treating primarily T-cell- transmitted skin diseases, especially atopic dermatitis (neurodermititis), cutaneous T-cell lymphomas, lichen ruber, alopec...
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WO/2000/021116A1 |
According to the invention, the discharge distances in discharge lamps for dielectrically impeded discharges are shortened to less than 3 mm, whereby dead times of a pulsed active-power launching can be increased to times approximately g...
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WO/2000/019144A1 |
The invention relates to a flat lighting device (8; 32) comprising an aperture fluorescent lamp (33), an optical system (10; 34) and a light-conducting plate (11; 35). The optical system (10; 34) influences the distribution of the light ...
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WO/2000/019485A1 |
The invention relates to a method for dimming discharge lamps with dielectrically impeded discharges. Continuous or discontinuous power control can be achieved by influencing an electrical parameter of a pulsed active-power supply and by...
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WO/2000/019486A1 |
The invention relates to a gas discharge lamp (1') for a dielectrically impeded discharge, in which a discharge voltage is adjusted in a location-dependent manner, for example by way of a discharge distance (6') which can be varied along...
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WO/2000/019487A1 |
The invention relates to a discharge lamp for dielectric impedances, comprising a new meander-shaped electrode configuration. Either the anode(s) or both the anode(s) and cathode(s) are configured meander-like.
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WO/2000/017910A1 |
A discharge lamp which can be operated by means of a dielectrically inhibited charge, comprising metal electrodes that are arranged on the wall of the discharge vessel and provided with at least one dielectric inhibiting layer that cover...
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WO/2000/016365A1 |
A discharge lamp includes a light transmissive envelope (92), a discharge forming fill disposed in the envelope which emits light when excited, and a coating (130) disposed on the envelope, wherein the coating is configured to selectivel...
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WO/2000/013204A2 |
The invention relates to an operational method for a discharge lamp comprising dielectrically impeded discharges and to a corresponding ballast and lighting system. The invention is provided for extracting the outer lamp voltage on the d...
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WO/1999/066537A2 |
The invention relates to a discharge lamp suitable for operation by dielectrically impeded discharge and comprising electrodes arranged on the wall of the discharge vessel. Said lamp has at least one dielectric layer which covers at leas...
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WO/1999/066538A1 |
The invention relates to a printing method for applying dielectric layers made of solder glass on strip-shaped metal electrodes of discharge lamps, which are operated by means of pulsed dielectrically inhibited discharge. An aggregate ha...
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WO/1999/065052A1 |
A sulfur and/or selenium lamp having improved color rendering which includes a calcium and/or strontium halide in the fill, and which may also include a metal halide volatilizer.
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WO/1999/062308A1 |
Apparatus for coupling power into a body of gas by induction to provide a gas discharge, comprises a source of a/c power (3) coupled to a circuit arrangement having an inductor comprising two coils (1, 2), each constituted by a respectiv...
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WO/1999/062104A1 |
The apparatus is a gas filled ultraviolet generating lamp (10) for use as a liquid purifier. The lamp (10) is powered by high voltage AC, but has no metallic electrode within or in contact with the gas enclosure which is constructed as t...
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WO/1999/057749A2 |
A light transmitting container filled with gas is used to house a cold cathode fluorescent illumination apparatus (101) to reduce heat loss due to ambient temperature and to increase the luminous efficiency of the lamp (102). A display a...
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WO1999049493B1 |
A discharge lamp (20), such as a neon lamp, comprising a laminated envelope having a gas-discharge channel and at least one external electrode (44) in communication with the gas-discharge channel (20), the laminated envelope having a fro...
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WO/1999/054913A1 |
The invention relates to a flat discharge lamp (1), comprising two substantially parallel plates (5, 6) and two support areas serving to support both plates against each other. Each support area consists of a component having a high-visc...
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WO/1999/054915A1 |
The invention relates to a fluorescent lamp, especially for the backlight of liquid crystal displays, with varying layer thickness of the fluorescent material adapted to luminance variations by a pattern of partial discharges.
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WO/1999/054917A1 |
The invention relates to a discharge lamp (1) with a tubular discharge vessel (2) filled with an inert gas, and optionally provided with a layer of a luminescent substance. The discharge lamp comprises at least three elongated electrodes...
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WO/1999/054914A1 |
Disclosed is a fluorescent lamp with spacers (6) for supporting a wall (2) of the discharge tank, wherein the luminescent material layer (3) has a reduced thickness (8) in the vicinity of the spacer (6).
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WO/1999/054916A2 |
The invention relates to a flat reflector lamp for dielectrically inhibited discharges (14). Greater configuration flexibility is achieved in electrode design (11, 12) while simultaneously ensuring stability of the discharge vessel (1, 2...
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WO/1999/053524A1 |
Apparatus for radiating energy at one or more predetermined wavelength comprising: a housing (4), a source of microwave energy coupled to and located outside the housing and a window forming part of the wall of the housing, the window be...
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WO/1999/053525A1 |
Electrodeless lamp includes an envelope (6) containing a fill and a substance for facilitating the starting of the lamp. An outer tube (18) is secured to an outside portion of the envelope (6) in proximity to the given region and an inne...
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WO/1999/048134A1 |
The invention relates to a discharge lamp (1) comprising an electrically conductive shielding (12, 13) which at least partly encloses the discharge chamber (2). The electrodes (3-5) are separated from the inside of the discharge chamber ...
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WO/1999/048135A1 |
An electrodeless discharge energy supply apparatus has a surface wave line (11) for generating a surface wave by means of high frequency. The surface wave line (11) has periodically arranged pleats (14) and is made of a conductive materi...
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WO/1999/046963A1 |
A dielectric barrier discharge lamp apparatus comprises a high-voltage A.C. power supply for an electrode that cooperates with discharge gas and an interleaving dielectric to produce an excimer by dielectric barrier discharge. The voltag...
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WO/1999/041767A1 |
Ultraviolet and vacuum ultraviolet radiators (100) for use in the manufacture of semiconductors are provided which have improved lifetimes, improved distribution of radiation generation, improved distribution of emitted radiation, increa...
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WO/1999/040602A1 |
A system (100) and method for operating a dual electrode flashlamp (102). The method employs steps of applying an electrical potential between a pair of electrodes (114, 116) of the dual electrode flashlamp; and irradiating a region behi...
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WO/1999/038195A1 |
The invention relates to a light source which is characterised in that it contains at least one semiconductor material (20; 220), and in that said semiconductor material (20; 220) has at least one recess (30, 40; 230). Said recess (30, 4...
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WO/1999/036940A2 |
A high frequency inductively coupled electrodeless lamp includes an excitation coil with an effective electrical length which is less than one half wavelength of a driving frequency applied thereto, preferably much less. The driving freq...
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WO/1999/035891A1 |
A high voltage of substantially periodical waveform is applied through a booster transformer (8) to a dielectric barrier discharge lamp (1) by a power supply (7). With regard to a point (K) that corresponds to a firing point of the appli...
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WO/1999/034409A1 |
The invention relates to a flat reflector lamp with dielectrically impeded discharge and non-homogeneous two-dimensional distribution of electrode geometry for the local modulation of luminance, which is especially suited for use in disp...
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WO/1999/034411A1 |
The invention relates to gas discharge lamps with electrode structures for dielectrically impeded discharges, in which the electrodes are divided into groups which can be operated separately and therefore switched independently of each o...
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