WO2013156288A1 - Culot d'ampoule pour lampe à décharge en atmosphère gazeuse - Google Patents

Culot d'ampoule pour lampe à décharge en atmosphère gazeuse Download PDF

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Publication number
WO2013156288A1
WO2013156288A1 PCT/EP2013/056589 EP2013056589W WO2013156288A1 WO 2013156288 A1 WO2013156288 A1 WO 2013156288A1 EP 2013056589 W EP2013056589 W EP 2013056589W WO 2013156288 A1 WO2013156288 A1 WO 2013156288A1
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WO
WIPO (PCT)
Prior art keywords
gas discharge
lamp
discharge lamp
outer tube
coils
Prior art date
Application number
PCT/EP2013/056589
Other languages
German (de)
English (en)
Inventor
Walter Wallner
Original Assignee
Walter Wallner
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Walter Wallner filed Critical Walter Wallner
Publication of WO2013156288A1 publication Critical patent/WO2013156288A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/361—Seals between parts of vessel
    • H01J61/363—End-disc seals or plug seals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/366—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/92—Lamps with more than one main discharge path
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps

Definitions

  • Gas discharge lamps such as, fluorescent tubes
  • Gas discharge lamps typically include a gas that generates light by applying a corresponding burning voltage due to a gas discharge.
  • the generated light can have wavelengths in the visible or non-visible spectrum.
  • mercury vapor lamps produce light in the UV spectrum, which is why such lamps are typically coated with a material which absorbs the UV light radiation and releases it again in the visible wavelength spectrum (for example by fluorescence).
  • the coating By suitable choice of the coating, the radiated from the lamp wave spectrum can be influenced accordingly.
  • Gas discharge lamps are typically tubular. It is known from the publications WO 2005/031796 Al and WO 99/18597 Al, in order to provide an outer tube for heat insulation or as a diffuser around tubular fluorescent lamps, in order to improve the luminous efficacy, in particular in cold environments.
  • fluorescent tubes which have a standardized electrical connection socket. These fluorescent tubes have two connection contacts per connection base, which are connected to a coil. The helix serves to ignite and maintain the gas discharge in the fluorescent tube.
  • the present invention provides a lamp cap for a gas discharge lamp having an outer tube and a gas generating light upon application of an electric current based on a gas discharge, comprising: an electrical terminal having at least two electrical contacts, and at least two filaments for generating the gas discharge in the gas discharge lamp, wherein the at least two helices with the at least two electrical contacts are connected and wherein the lamp cap is configured such that the at least two coils are arranged at one end of the outer tube.
  • the present invention provides a gas discharge lamp comprising: an outer tube, a gas generating light upon application of an electric current based on a gas discharge, and at least one lamp base of the first aspect at an end of the outer tube.
  • the present invention provides a gas discharge lamp controller for controlling a gas discharge lamp according to the second aspect, wherein the gas discharge lamp controller comprises: a converter for converting an input voltage into an ignition voltage for igniting the gas discharge in the gas discharge lamp and an operating voltage for maintaining the gas discharge in the gas discharge lamp, a switching element adapted to apply the ignition voltage to the coils to ignite the gas discharge and apply a portion of the coils to the operating voltage to maintain the gas discharge.
  • FIG. 1 illustrates a first embodiment of a fluorescent lamp with a lamp base in accordance with the present invention in a three-dimensional representation, the lamp base having two pins and two coils;
  • Fig. 2 illustrates the fluorescent lamp of Fig. 1 in a front view
  • Fig. 3 is a sectional view in the lamp base portion of the first embodiment, in which the two coils and the two terminal pins are visible;
  • Fig. 4 illustrates the lamp base portion of the first embodiment from the inside and the two coils in a front view, which is formed by a section along the line A-A in Fig. 2;
  • Fig. 5 illustrates the lamp base portion of the first embodiment in another side sectional view
  • Fig. 6 illustrates a second embodiment of a fluorescent lamp with a lamp base in accordance with the present invention in a three-dimensional representation, the lamp base having two pins and three coils;
  • Fig. 7 illustrates the fluorescent lamp of the second embodiment in a front view
  • Fig. 8 is a sectional view in the lamp base portion of the second embodiment, in which two of the three coils and the two terminal pins are visible;
  • Fig. 10 illustrates the lamp base portion of the second embodiment in another side sectional view
  • Fig. 11 illustrates a third embodiment of a fluorescent lamp with a lamp base in accordance with the present invention in a three-dimensional representation, the lamp base having four pins and two coils;
  • Fig. 12 illustrates the fluorescent lamp of the third embodiment in a front view
  • Fig. 13 is a sectional view in the lamp base portion of the third embodiment, in which one of the two coils and two of the four pins are visible;
  • FIG. 16 illustrates a fourth embodiment of a fluorescent lamp with a lamp cap in a three-dimensional representation in accordance with the present invention, the lamp cap having four pins and four coils;
  • Fig. 18 is a sectional view in the lamp base portion of the fourth embodiment, in which three of the four coils and two of the four pins are visible;
  • Fig. 19 illustrates the lamp base portion of the fourth embodiment from the inside and the four coils in a front view, which is formed by a section along the line A-A in Fig. 18;
  • FIG. 20 illustrates the lamp cap portion of the fourth embodiment in another sectional side view
  • Fig. 21 shows a fifth embodiment of a double tube type fluorescent lamp having a lamp base of the first embodiment with two coils and two pins as illustrated in Figs. 1 to 5 in a three-dimensional view;
  • Fig. 22 illustrates the fluorescent lamp of the fifth embodiment in a front view
  • Fig. 23 illustrates an inner bulb of the fluorescent lamp of the fifth embodiment
  • Fig. 24 illustrates the fluorescent lamp of the fifth embodiment in a three-dimensional view
  • Fig. 25 is a sectional view of the fluorescent lamp of the fifth embodiment taken along the line A-A in Fig. 21;
  • Fig. 26 shows in greater detail the circle section B of Fig. 23;
  • Fig. 28 is a flowchart of a method of operating a multi-filament fluorescent lamp.
  • Fig. 29 shows a control for driving a fluorescent lamp.
  • FIGS. 1 A first embodiment of a gas discharge lamp 1 having a left lamp base 3 and a right lamp base 4 in accordance with the present invention is illustrated in FIGS. Before a detailed description of the embodiments, general explanations of the embodiments follow.
  • gas discharge lamps such as fluorescent tubes or fluorescent lamps
  • gas discharge lamps include a gas that generates light by applying a corresponding burning voltage due to a gas discharge.
  • the generated light can have wavelengths in the visible or non-visible spectrum.
  • mercury vapor lamps produce light in the UV spectrum, which is why such lamps are typically coated with a material which absorbs the UV light radiation and releases it again in the visible wavelength spectrum (for example by fluorescence).
  • the coating By suitable choice of the coating, the radiated from the lamp wave spectrum can be influenced accordingly. This is well known to the person skilled in the art.
  • gas discharge lamps are typically tubular. It is known from the publications WO 2005/031796 Al and WO 99/18597 Al, to provide tubular fluorescent lamps with a transparent outer jacket for heat insulation or as a diffuser around them in order to improve the light output, especially in cold environments.
  • Known gas discharge lamps in particular fluorescent lamps, are typically ignited via a so-called helix, which is arranged in a lamp base.
  • Known fluorescent tubes have at each end depending on a lamp cap, each with a helix.
  • Embodiments avoid the use of mercury vapor or at least keep low.
  • the inventor has now recognized that in some embodiments, with lower mercury vapor concentration in the gas discharge lamp, a higher ignition voltage is required to ignite the gas discharge, as at a higher ignition voltage more electrons are emitted from the coil, thus generating the gas discharge based on impact ionization becomes.
  • the socket into which the gas discharge lamp is inserted, and which typically provides the ignition voltage must be designed to provide a higher ignition voltage.
  • the inventor has now further recognized that one can also provide several coils in a lamp base to increase the total number of emitted electrons and thus to allow a gas discharge at a lower mercury vapor concentration without, for example, to increase the ignition voltage on the Spireln is applied. Further, for example, after ignition of the gas discharge, a part of the coils can be switched off, since for the maintenance of the gas discharge in some embodiments, a lower number of electrons is required than for igniting the gas discharge.
  • the inventor has also recognized that the luminous efficacy of a gas discharge lamp over the prior art can be further improved and the amount of gas for generating light can be reduced by reducing the gas charge volume in the gas discharge lamp by providing an inner cylinder inside the outer tube of the gas discharge lamp in that the light generation (gas discharge) takes place mainly in a region between an outer tube and the inner cylinder.
  • some embodiments relate to a gas discharge lamp comprising an outer tube and an inner cylinder.
  • the inner cylinder is arranged inside the outer tube. Between the outer tube and the inner cylinder characterized a gas discharge space is determined.
  • a lamp base for a gas discharge lamp includes an electrical connection portion having at least two electrical contacts and at least two coils for generating the gas discharge in the gas discharge lamp.
  • the coils are electrically connected to the electrical contacts, so that the coils can be acted upon by the electrical contacts with an electric current or a predetermined electrical voltage.
  • the voltage may be an ignition voltage with which the gas discharge in the gas discharge is ignited or it can be an operating voltage with which the gas discharge is maintained, as already stated above. In some embodiments, the operating voltage is lower than the ignition voltage, while in others it is equal to or even higher.
  • a gas discharge lamp may include an outer tube filled with gas in which the gas discharge takes place.
  • the lamp cap is then located at one end, in other embodiments at each end, of the outer tube.
  • the lamp cap is like the outer tube, for example, made of glass and is fused to the outer tube of the gas discharge lamp.
  • the gas discharge lamp is straight in some embodiments, while in others, for example, arcuately, spirally or otherwise bent constructed.
  • the electrical connection section or the connection contacts are made of an electrically conductive material.
  • the dimensions and distances of the terminal contacts are predetermined, for example, standardized, so that they can engage in a predetermined or standardized version, via which the terminal contacts are supplied with the corresponding electrical energy for operating the gas discharge lamp.
  • the helix is formed in some embodiments as a helically wound filament or filament.
  • the helix is also straight, i. stretched and not bent or spirally executed.
  • the cross section of the helix or the filament or filament of the helix may be circular, elliptical but also angular, for example. Triangular or polygonal.
  • the helix is also formed as a foil.
  • the present invention should not be limited to a specific spatial configuration of the helix, but the helix should be understood purely functional. It is the object of the helix in some embodiments that electrons are (sufficiently) emitted by heating the coil by applying an electric current in order to ignite or maintain the gas discharge.
  • the gas discharge lamp comprises an outer tube and a gas which is inside the outer tube and which generates light upon application of an electric current based on a gas discharge.
  • the lamp cap is configured such that the at least two coils are disposed at one end of the outer tube of the gas discharge lamp when the lamp cap is connected to the outer tube. That is, the at least two coils are arranged in the interior of the outer tube at one end of the outer tube.
  • both ends of the outer tube are arranged in the lamp base. In this case, in each case at least two spirals are arranged on or in each case one end of the two ends of the outer tube.
  • the lamp cap is made in some embodiments of a heat-resistant and / or electrically insulating material, such as glass or ceramic and is, for example, glued or fused to the outer tube.
  • the at least two coils are arranged in some embodiments on a circular line on an end face of the lamp cap.
  • the front side is the side of the lamp cap, which faces the inside of the outer tube of the gas discharge lamp.
  • the circular arrangement of the coils causes electrons to be emitted, in particular in an annular region, so that, for example, they pass mainly into the annular gas discharge space of the gas cylinder with inner cylinder.
  • the lamp cap includes three coils or four coils or more. In principle, the present invention should not be limited to a specific number of coils.
  • two of the four electrical contacts are electrically connected to a first coil and two others of the four electrical contacts are electrically connected to a second coil.
  • the coils electrically connected to these two contacts can be selectively supplied with the appropriate current.
  • more than four contacts and / or more than four coils may be present, so that by a corresponding interconnection between the electrical contacts and associated coils any number or subset of coils can be selectively energized by the associated electrical Contact be energized accordingly.
  • some embodiments involve a gas discharge lamp that includes an outer tube, a gas that generates light upon application of an electrical current based on a gaseous discharge, and at least one lamp cap as discussed above at one end of the outer tube.
  • the gas discharge lamp additionally comprises an inner cylinder, which is arranged inside the outer tube, so that a gas discharge space between the
  • Outer tube and the inner cylinder is formed, wherein the gas is filled in the gas discharge space, so that the gas discharge takes place in the gas discharge space.
  • the outer tube and / or the inner cylinder are designed, for example, oblong, wherein the diameter of the inner cylinder is smaller than the diameter of the outer tube, so that the inner cylinder can be arranged within the outer tube.
  • the inner cylinder is tubular in some embodiments and thus hollow, while it is configured in other embodiments as a solid cylinder. In some embodiments, the inner cylinder is hollow inside, but gas-tight at the respective ends.
  • the gas discharge does not take place inside the inner cylinder, but only outside the inner cylinder.
  • the gas discharge lamp is designed such that the gas for the gas discharge does not get into the interior of the inner cylinder.
  • the outer tube and the inner cylinder are configured to have the same basic shape and, for example, have a circular cross-section.
  • other cross sections may be present, such as, for example, an oval, triangular, rectangular or other based on any polygon cross-section.
  • Also mixed forms are realized, so that in some embodiments, the outer tube has a circular cross-section and the inner cylinder, for example, an oval or an angular.
  • the outer tube and / or the inner cylinder are made of glass or quartz glass in some embodiments, but are not limited thereto.
  • the outer tube may also be made of alumina ceramic or of another material that is suitable for high-pressure lamps.
  • the outer tube may also be made of another material which is at least partially permeable to visible light.
  • the material may, for example, also be transparent for non-visible light, eg for light in the infrared or ultraviolet range.
  • the inner cylinder can even be basically made of any material and it does not have to be translucent.
  • the inner cylinder is also not electrically conductive.
  • the gas discharge lamp includes a gas that generates light upon application of an electric current based on a gas discharge.
  • This gas is filled in the gas discharge space, so that the gas discharge takes place substantially in the gas discharge space and not, for example, in an inner space of the inner cylinder.
  • all gases which are known to the person skilled in the art for gas discharge lamps are provided as gas, such as mercury gas or other metal vapors or a noble gas such as neon, krypton, xenon or halogens or mixtures of metal vapors and / or halogens and / or noble gases.
  • the inside of the outer tube is, for example, coated with a filter, phosphor, or fluorescent material to affect the lightwave spectrum emitted by the gas discharge lamp.
  • a filter for example, a filter, phosphor, or fluorescent material to affect the lightwave spectrum emitted by the gas discharge lamp.
  • Such coatings are also generally known in the art and may, for example, halophosphate or tri-phosphorus or other mineral coating or mixtures thereof.
  • the inner cylinder is designed to be light-reflecting on its outer side, for which in some embodiments, the outer side is provided with a light-reflecting coating, while in other embodiments, for example, the material of the inner cylinder itself is reflective.
  • a hollow inner cylinder which is made of a transparent material, and the inside of the hollow inner cylinder may be designed to be light-reflecting.
  • a hybrid form is realized and the inner cylinder is designed, for example, partially reflecting light on the outside and / or partially on the inside. Due to the light-reflecting property of the inner cylinder, the luminous efficacy of the gas discharge lamp can be improved in some embodiments.
  • the outside and / or inside of the inner cylinder is designed to be only partially reflecting or the inner cylinder is light-reflecting designed only in predetermined sections, so that the inner cylinder reflects light more strongly in one direction than in another direction or that the inner cylinder at some sections no light reflected.
  • the gas discharge lamp it is possible for the gas discharge lamp to emit light in a preferred direction.
  • the inner cylinder has a facet structure that is provided, for example, on the outside of the inner cylinder or is integrally formed within the outer surface of the inner cylinder.
  • the facet structure is also present on the inside of the hollow inner cylinder.
  • a hybrid form is realized and the facet structure is partially attached to the outside and / or inside.
  • the facet structure has, for example, planar, convex and / or concave sections.
  • these portions may be integrally formed in the outer surface of the inner cylinder or provided on the outer side of the inner cylinder (or on the inner surface of the inner cylinder or on the outer and inner surfaces).
  • the facet structure or the sections are configured at least partially light-reflecting.
  • a light emission of the gas discharge lamp can be achieved, while in other embodiments, for example, a directed light emission is achieved.
  • mixed forms are realized. For example, in some embodiments, one half of the outside (or inside), e.g.
  • an upper half faceted so that light is uniformly reflected over as large an angular range as possible, while, for example, a lower half is faceted so that light is emitted only in a small angular range.
  • a reflective surface such as a ceiling of a room or a surface of a reflector
  • indirect Lighting is generated by the reflection on the illuminated surface.
  • the narrow-angle radiation on the lower half of the outer side of the inner cylinder allows directional light emission, so that, for example, a workplace which is arranged under the gas discharge lamp, is purposefully illuminated.
  • At least one spacer is provided between the outer tube and the inner cylinder. Thereby, it is possible to mount the inner cylinder centered and centered within the outer tube, so that the gas discharge space uniformly extends between the outer tube and the inner cylinder and the outer tube and the inner cylinder are equally spaced from each other.
  • the outer tube is also firmly connected via the spacer with the inner cylinder.
  • the gas discharge lamp each includes a lamp cap at each end of the outer tube.
  • the outer tube and possibly the inner cylinder is bent, so that both ends of the outer tube terminate in a lamp cap.
  • the lamp cap is then such configured such that at least two coils are arranged in each end of the outer tube, which ends in the lamp base.
  • the lamp cap has a connection portion that is coupled, fixedly connected, or welded to the inner cylinder to hold the inner cylinder, for example.
  • a lamp cap is disposed on each side or end of the outer tube and the outer tube is in turn connected to the lamp cap.
  • the lamp sockets are connected to one another via the outer tube and held, and the respective connection region holds one side of the inner cylinder.
  • the inner cylinder is held within the outer tube by the lamp base over the respective connection region of the lamp cap.
  • the connection area connects the lamp base to the inner cylinder and holds it as stated, for example. Centrally centered in the outer tube firmly. Further, the outer tube may extend over the connection region such that the connection region is within the outer tube.
  • the inner cylinder is designed as indicated above tubular and has an inner space.
  • the lamp cap in some embodiments has an opening that is configured to communicate with the interior of the tubular inner cylinder. Accordingly, in some embodiments, the lamp cap is formed as a hollow base having a cavity inside extending from one end of the cavity base to the other. However, the interior of the tubular inner cylinder is not communicatively connected to the gas discharge space, since otherwise the gas would escape through the interior of the inner cylinder from the gas discharge lamp.
  • the inner cylinder is tubular and gas-tight.
  • the inner cylinder is designed in some embodiments as gas-tight sealed inner piston.
  • the inner cylinder is configured tubular and the interior of the inner cylinder is filled with air.
  • the tubular inner cylinder is closed and the air is trapped in the inner space of the inner cylinder, while in others, for example, the inner space is communicatively connected to the lamp base and thus the air passes from the outer environment into the inner space of the inner cylinder.
  • the gas discharge lamp includes an outer tube, a gas that generates light upon application of an electric current based on a gas discharge, and at least one lamp cap at at least one end of the outer tube, as described in detail above.
  • the lamp base comprises an electrical connection with at least two electrical contacts and at least two coils for generating the gas discharge in the gas discharge lamp, wherein the at least two coils are electrically connected to the at least two contacts.
  • the method comprises the steps of charging the filaments with an ignition voltage to ignite the gas discharge in the gas discharge lamp, turning off at least one filament after a predetermined period of time, and energizing the non-disconnected filaments with an operating voltage to maintain the gas discharge in the gas discharge lamp.
  • the method further comprises the steps of determining an operating temperature of the gas discharge lamp and turning off the at least one coil as a function of the determined operating temperature.
  • the operating temperature is determined in some embodiments by means of a temperature measuring device which, for example, comprises a temperature sensor. In other embodiments, the operating temperature is determined based on a measurement curve or table of values, for example, contains a value assignment between operating time and expected operating temperature.
  • the trace or table of values additionally contains a dependency, for example, on an outside temperature, since at lower outside temperatures or ambient temperatures of the gas discharge lamp a certain operating temperature is reached only after a longer burning time, while at higher outside temperatures a certain operating temperature is reached after a shorter burning time of the gas discharge lamp , Accordingly, in some embodiments, the external or. Determined ambient temperature around the gas discharge lamp around, on the basis of which then, for example, from the value table by means of the burning time, the current operating temperature is determined.
  • the operating temperature is determined by a temperature measurement at a predetermined location on the gas discharge lamp by, for example, a temperature sensor is arranged at the appropriate location.
  • Some embodiments relate to a gas discharge lamp controller for controlling a gas discharge lamp as set forth above, wherein the gas discharge lamp controller comprises a converter for converting an input voltage into an ignition voltage for igniting the gas discharge in the gas discharge lamp and an operating voltage for maintaining the gas discharge in the gas discharge lamp.
  • the gas discharge lamp control comprises a switching element which is designed to apply the ignition voltage to ignite the gas discharge to the filaments of a lamp cap of the gas discharge lamp and to apply a part of the filaments to the operating voltage for maintaining the gas discharge.
  • the gas discharge lamp controller controls the coils such that during an ignition process, all filaments are energized with an ignition voltage and a portion of the filaments is turned off to maintain the gas discharge.
  • the gas discharge lamp controller is configured to at least partially implement the method described above.
  • FIGS. 1 to 5 there is illustrated in a three-dimensional representation a first embodiment of a fluorescent lamp 1 with a left-hand 3 and a right-hand lamp base 4 each having two coils in accordance with the present invention.
  • a fluorescent lamp with a left-hand 3 and a right-hand lamp base 4 each having two coils in accordance with the present invention.
  • the lamp base 4 has a connection cap 6 with two connection pins 5a and 5b, which are arranged at a distance from each other and are electrically connected to two coils 8a and 8b.
  • the outer terminal cap 6 is, for example, made of a metal, e.g. Made brass, aluminum or the like and is attached to the end of the outer tube 2 and, for example. Glued.
  • the connection cap 6 in this case has an end face on which the connection pins 5a and 5b are present, and a circular cylindrical section which extends over the outer tube 2. The diameter of the circular cylindrical portion is correspondingly larger than the outer diameter of the outer tube 2 at the end where the circular cylindrical portion of the terminal cap 6 is plugged.
  • the gas discharge lamp 1 has an outer tube 2 which is made of glass and in which a gas is filled, which can generate light by a gas discharge, as already described above.
  • the gas here is a mixture of neon gas and mercury vapor, the proportion of mercury vapor is lower than in conventional fluorescent lamps.
  • the outer tube 2 has a circular cylindrical cross section and is cylindrical in shape, wherein its longitudinal extent is greater than its diameter.
  • the left lamp base 3 and at the right end of the outer tube 2, the right lamp base 4 is arranged.
  • the lamp base 3 and 4 are each connected to the outer tube 2, that the outer tube 2 is sealed gas-tight and the gas can not escape from the outer tube 2.
  • the lamp cap has a glass section which is fused with the outer tube 2.
  • the outer tube 2 itself is sealed gas-tight before the lamp base 3 or 4 is attached.
  • the lamp base 3 and 4 have the same shape as the outer tube 2, in this case Vietnamesezylin- derförmig, and are attached to the respective end of the outer tube 2 and, for example. Glued.
  • a pumping hole 7 communicatively connected to an interior of the lamp cap 4 to allow air exchange between the interior of the lamp cap and the outside space around the gas discharge lamp 1.
  • the interior of the lamp cap 4 is not connected to the interior of the outer tube 2, since otherwise the gas would escape from the outer tube 2.
  • the lamp base 4 has two coils 8a and 8b which are spaced from each other and arranged opposite each other.
  • the coils 8a and 8b can emit electrons at two points and thus more evenly distributed in space into the interior of the outer tube 2, compared to known fluorescent lamp sockets with only one coil in the middle, whereby the ignition process of the gas discharge is improved.
  • the coil 8a is connected via two connecting wires 9a and 9b at the respective end to the electrical connection pins 5a and 5b.
  • the second coil 8b is connected to the two connection pins 5a and 5b via two connection wires 10a and 10b.
  • the coils 8a and 8b are electrically connected in parallel with each other, so that the voltage applied to the pins 5a and 5b is also applied to the two coils 8a and 8b, respectively.
  • the connecting wires 9a and 9b of the coil 8a and the connecting wires 10a and 10b of the coil 8b extend through the lamp base 4 into the connecting pins 5a and 5b.
  • a secure electrical contact between the pins 5a and 5b and the leads 9a, 9b and 10a, 10b is made.
  • a fluorescent lamp 11 which substantially corresponds to the fluorescent lamp 1 of the first embodiment and to which the properties described in connection with this embodiment apply, has a gas-filled outer tube 12 and a left 13 and right lamp base 14.
  • the lamp cap 14 has two terminal pins 15a and 15b electrically connected to three helices 18a, 18b and 18c connected in parallel electrically.
  • the connection pins 15a and 15b are arranged on a connection cap 16, which basically has the properties as already described for the connection cap 6 of the first embodiment in connection with FIGS. 1 to 5.
  • the three coils 18a, 18b and 18c are respectively connected to two lead wires 19a, 19b, 20a, 20b and 21a, 21b.
  • the helices 18a, 18b and 18c are arranged in a circular or annular manner on the inside of the end face of the lamp cap 4 and thus form a helical ring on the inside of the lamp cap 14. As a result, electrons from the helices 18a, 18b and 18c are annular in the interior of the outer tube 12 emitted.
  • the lamp cap 14 also has a pumping hole 17 from the reasons explained in connection with the first embodiment.
  • a fluorescent lamp 31 which substantially corresponds to the fluorescent lamp 1 of the first embodiment and for which the properties described in connection with this embodiment apply, has a gas-filled outer tube 32 and a left 33 and right lamp base 34.
  • the right lamp base 34 is described here, which is identical to the left lamp base 33.
  • the lamp cap 34 has a pump hole 37 for the reasons explained above.
  • the lamp cap 34 has four terminal pins 35a to 35d disposed on the corners of a rectangle on its front side and electrically connected to two coils 38a and 38b.
  • two of the four connection pins 35a to 35d form a pair of connection pins 35a and 35b or 35c and 35d, which is in each case electrically connected to a coil 38a or 38b.
  • the first pair of terminal pins 35a and 35b are electrically connected to the coil 38a and the second pair of terminal pins 35c and 35d are electrically connected to the second coil 38b.
  • the connection pins 35a to 35d are arranged on a connection cap 36, which basically has the same characteristics as already described for the connection cap 6 of the first embodiment
  • the first coil 38a is connected via two connecting wires 39a and 39b to the first connecting pin pair 35a and 35b, while the second coil 38b is electrically connected via two connecting wires 40a and 40b to the second connecting pin pair 35c and 35d.
  • the coils 38a and 38b are spaced apart from one another, as already described above in connection with the first embodiment.
  • the two pairs of pins 35a, 35b and 35c, 35d can both be subjected to an appropriate ignition voltage during an ignition process, while, for example, after the ignition and after reaching a predetermined operating temperature, a pair of pins 35a, 35b or 35c, 35d can be switched off, so then only nor a coil 38a or 38b is subjected to an operating voltage for maintaining the gas discharge.
  • a fluorescent lamp 51 substantially corresponding to the fluorescent lamp 1 of the first embodiment and correspondingly having the characteristics described in connection with this embodiment has a gas-filled outer tube 52 and a left 53 and right lamp base 54 only the right lamp base 54, which is identical to the left lamp base 53, will be described here. Also, the lamp cap 54 has a pump hole 57 for the reasons explained above.
  • the lamp cap 54 has four terminal pins 55a to 55d disposed on the corners of a rectangle on its outer end side and electrically connected to four coils 58a to 58d.
  • two of the four connection pins 55a to 55d in this case form a connection pin pair 55a and 55b or 55c and 55d, which is in each case electrically connected to a helical pair 58a and 58b or 58c and 58d.
  • the first pair of terminal pins 55a and 55b are electrically connected to the coils 58a and 58b, and the second pair of terminal pins 55c and 55d are electrically connected to the coils 58c and 58d.
  • the connection pins 55a to 55d are arranged on a connection cap 56, which basically has the properties as already described for the connection cap 6 of the first embodiment in connection with FIGS. 1 to 5.
  • the first coil 58a is electrically connected to the first pair of connecting pins 55a and 55b via two connecting wires 59a and 59b
  • the second coil 58b is also electrically connected to the first pair of connecting pins 55a and 55b via two connecting wires 60a and 60b
  • the third coil 58c is over two Lead wires 61a and 61b are electrically connected to the second terminal pair 55c and 55d
  • the fourth coil 58d is also electrically connected to the second pair of terminal pins 55c and 55d via two lead wires 62a and 62b.
  • the coils 58a to 58d are spaced from each other on a circular line on an inner end face of the lamp cap 54. There are always two coils arranged opposite each other.
  • the coils 58a and 58c and the coils 58d and 58b face each other. Accordingly, the four coils 58a to 58d emit electrons into an annular region into the interior of the outer tube 52, whereby the overall ignition process of the gas discharge can be improved.
  • the two pairs of pins 55a, 55b and 55c, 55d can both be acted upon during a firing process with a corresponding ignition voltage, while, for example, after the ignition and after reaching a predetermined operating temperature, a pair of terminal pins 55a, 55b or 55c, 55d can be turned off, so then only nor a helical pair 58a, 58b or 58c, 58d is applied with an operating voltage for maintaining the gas discharge.
  • FIGS. 21 to 27 illustrate an embodiment of a gas discharge lamp, which is formed here as a double-tube fluorescent lamp 101 and in which an outer tube 102 and an inner tube 107 are arranged at a distance from each other.
  • the fluorescent lamp 101 is tubular and its longitudinal extent is many times greater than its diameter.
  • the fluorescent lamp 101 has an outer tube 102 and an inner tube 107, wherein the inner tube 107 has a smaller diameter than the outer tube 102 and the inner tube 107 is disposed in the interior of the outer tube 102, so that between the inner side 122 of the outer tube 102 and the inner tube 107, a gas discharge space 115 arises.
  • the gas discharge space 115 is filled with a neon gas and upon application of a corresponding electrical voltage to terminal pins 105a, 105b and 106a, 106b on the left 103 and right lamp base 104, a gas discharge in the gas discharge space 115 is generated.
  • the gas discharge space 115 extends annularly around the inner tube 107 and longitudinally along the inner tube 107.
  • the inner tube 107 On its outer side, the inner tube 107 is provided with a facet structure having a plurality of longitudinally extending and concave facets 114 which are evenly distributed over the outer periphery of the inner tube 107.
  • the concave shape of the facets 114 is in the Glass material of the inner tube 107 is formed.
  • the outside of the inner tube 107 is metallic, for example coated with aluminum.
  • the inner tube 107 is not closed by closures, but the fluorescent lamp 101 has at each end a left lamp base 103 and a right lamp base 104, each via a glass connection region 108 (left lamp base 103) and 109 (right lamp base 104) with the Inner tube 107 is fused and this closes on one side.
  • the left connection region 108 of the left lamp base 103 and the right connection region 109 of the right lamp base 104 are each formed hollow inside with a cavity 124, so that there is a communicating connection to the interior 121 of the inner tube 107.
  • Both the left lamp base 103 and the right lamp base 104 have an opening 116 communicating with the inner space 121 of the inner pipe 107 by the respective cavity 124 in the interior of the connection area 108 of the left lamp base 103 and the connection area 109 of the right lamp base 104 , Accordingly, the inner space 121 of the inner tube 107 is filled with air and the ambient air pressure prevails.
  • the outer tube 102 is fused on the left or right side with the left lamp base 103 and the right lamp base 104 and the respective connection region 108, 109 so that the outer tube 102 is sealed gas-tight and the neon gas is not from the interior or the Gas discharge space 115 of the fluorescent lamp 101 can escape.
  • the inner tube 107 with the respective connecting portion 108 and 109 of the left lamp base 103 and the right lamp base 104 gas-tight manner from the gas discharge space 115 so separated that the neon gas can not escape from the interior of the outer tube 102 and in particular not from the gas discharge space 115.
  • the right 103 and left lamp base 104 are merged as mentioned with the outer tube 102 to close this gas-tight.
  • the fusion takes place on the inside of the end face of the respective lamp cap 103 or 104 or on a respective plate region of the connecting region, as also explained in more detail below.
  • the left connection portion 108 and the right connection portion 109 are each made of glass and fused to the respective left and right ends of the inner tube 107, respectively.
  • the left lamp cap 103 has on the outside a left cap 119 and the right lamp cap 104 has on the outside a right cap 120 for the electrical connection of the fluorescent lamp 101, which are glued at one end to the outer tube 102.
  • the left terminal cap 119 has two spaced terminal pins 105a and 105b and the right-hand cap 120 has two spaced-apart pins 106a and 106b.
  • the distances and diameters of the connection pins 105a, 105b and 106a, 106b are standardized, for example, so that they can engage in standardized connection sockets and reliably establish electrical contact.
  • connection caps 119, 120 are made of a metal, for example brass or aluminum, and have a front region, on which the respective connection pins 105a, 105b or 106a, 106b are arranged and a circular cylindrical region, which also extends beyond the respective end of the outer tube 102 extends (see in particular Fig. 27).
  • the inner diameter of the circular-cylindrical region of the connection cap 119 or 120 is accordingly adapted to the outer diameter of the outer tube 102 at the point at which the connection cap 119 or 120 is arranged at the end of the outer tube 102 and glued, for example.
  • the lamp cap 104 also substantially corresponds to the lamp cap 4 of the first embodiment, as described above in connection with FIGS. 1 to 5.
  • the lamp base 104 has two electrical coils 117a and 117b, which are electrically conductively connected to the connection pins 106a, 106b of the right lamp base 104.
  • Each of the two coils 117a and 117b is, as already explained in connection with the first imple mentation form, each connected to two connecting wires.
  • Fig. 26 shows how the first coil 117a is connected to two lead wires 118a and 118b, while in Fig. 27 a lead wire 118b is shown for the first coil 117a and a lead wire 118c for the second coil 117b (the other lead wires are not there shown).
  • the lead wires from the respective coil pass through the connection portion of the lamp cap 104 to the respective terminal pin 106a and 106b.
  • the lead wire 118b runs from the coil 117a to the pin 106b and the lead wire 118c from the coil 117b to the pin 106a.
  • the lead wires 118a-c and the one not shown, as also shown in Fig. 27, extend partially through a gap 127 between the cup portion of the lamp cap 104 and the inside of the terminal cap 120 into the corresponding terminal pins 106a and 106b.
  • connection cap 120 has a pumping hole 116, so that air passes through the pumping hole 116 into the intermediate space 127 and from there through the passage opening 124 into the inner space 121 of the inner tube 107.
  • the unillustrated leads of the two coils 117a and 117b extend to the associated pins 106a and 106b and,
  • the other designs for the right lamp base 104 also apply to the functionally identical left lamp base 103.
  • the lead wires 118a, 118b, 118c and the fourth lead wire of the second coil 117b, not shown, extend into a terminal pin 116a, 116b, respectively.
  • the lead wire (s) respectively extending in the pin are reliably electrically contacted.
  • the glass connecting portion 109 of the lamp cap 104 extends from the end of the inner tube 107 to near the rear of the terminal cap 120.
  • the connecting portion 109 has a funnel-shaped portion tapering from the inner tube 107 toward the terminal cap 120 in diameter a straight circular cylindrical portion in which the passage opening 124 is formed communicatively communicating with the associated pumping hole 116, and then ends in a plate-shaped portion in which the connection portion 109 has a diameter equal to the inner diameter of the outer tube 102 at that location equivalent.
  • the connection portion 109 is fused with the outer tube 102, so that the neon gas remains inside the outer tube 102.
  • the connecting portion 109 is funnel-shaped, it is fused to the end of the inner tube 107, so that at this point the interior of the outer tube 102 is sealed gas-tight.
  • the two coils 117a and 117b are disposed on the inside of the plate-shaped portion of the connection portion 109 opposite to each other, so that the straight portion of the connection portion 109 lies between the coils 117a and 117b.
  • the lead wires 118a, 118b, 118c, etc. extend at a right angle away from the surface of the dish portion of the connection portion 109 with the first coil 117a and the second coil 117b respectively disposed at the ends thereof, and thus in the region is arranged with a smaller diameter of the connecting portion 109.
  • the coils 117a and 117b are therefore also in contact with the neon gas in which the gas discharge is to be ignited and maintained.
  • the neon gas is located substantially in the interior of the outer tube 102 except for the volume, which is displaced by the closed with the left 108 and right 109 connecting portion inner tube 107 as a dead volume.
  • the neon gas in the annular gas discharge space 115 between the outer tube 102 and the inner tube 107 is present, and in each case in the region of the outer tube 102, where the right and left connection region 108 and 109 is arranged and where also the coil 117a and 117b for ignition and maintenance Attitude of the gas discharge is present.
  • the coils 117a and 117b are respectively arranged to emit the electrons into the annular gas discharge space 115 as well.
  • the inside 122 of the outer tube 102 is provided with a coating 123 which filters a certain portion of the light wave spectrum generated by the neon gas in the gas discharge.
  • the photons emitted by the gas discharge are reflected by the facets 114 on the outside of the inner bulb 107, the concave configuration of the facets 114 extending in the longitudinal direction of the fluorescent lamp 101 reflecting the photons in an even distribution and thus uniform emission of the fluorescent lamp 101, as it already did has been explained above.
  • the arrangement of the inner tube 107 in the interior of the outer tube 102 reduces in this embodiment, the gas volume over conventional fluorescent lamps, in which no inner piston is present in the interior. As a result, a smaller amount of gas for the gas discharge is necessary, with the same outer diameter of the fluorescent lamp.
  • the reflective and faceted surface of the inner bulb also improves the light emission of the fluorescent lamp.
  • Embodiment of a control method in particular for controlling one of the preceding gas discharge lamps (FIG. 28)
  • a gas discharge lamp has an outer tube in which a gas is filled, which generates light upon application of an electric current based on a gas discharge, and at least one lamp cap, as it has been described above in connection with FIGS. 1 to 27.
  • the lamp base has an electrical connection with, for example, two or four electrical contacts, as described above, and at least two coils for generating the gas discharge in the gas discharge lamp when they are correspondingly supplied with electrical voltage. The coils are electrically connected to the contacts, as stated above.
  • a first step 200 all filaments of a lamp cap are subjected to an ignition voltage for igniting the gas discharge in the gas discharge lamp. After ignition, the operating temperature is monitored and, for example, determined at predetermined time intervals, step 201.
  • step 202 An undamped coil is supplied with an operating voltage to maintain the gas discharge in the gas discharge lamp, step 203.
  • the operating voltage is lower than the ignition voltage. In other embodiments, the operating voltage is equal to the ignition voltage or even higher.
  • the filaments needed only for the ignition of the gas discharge are switched off after a predetermined period of time or burning time, since it is assumed that a certain operating temperature is reached after a certain burning time.
  • a time period may be determined in advance in which a gas discharge lamp, which is at room temperature, is brought to operating temperature by applying the filaments to the ignition voltage.
  • a minimum temperature at which the gas discharge lamp can still be operated for example, 0 ° Celsius, and from this, the time period is determined, after which the operating temperature is reached and some coils can be turned off.
  • the coils may also be switched off in stages, i. after a first elapsed time a first helix and after another past time period a second helix, etc.
  • Embodiment of a controller in particular for controlling one of the preceding gas discharge lamps (FIG. 29)
  • gas discharge lamp controller 300 for controlling a gas discharge lamp, in particular a gas discharge lamp as implemented in one of the embodiments described above, is described below.
  • the gas discharge lamp controller 300 has a converter 301 for converting an input voltage to an ignition voltage for igniting the gas discharge in the gas discharge lamp and an operating voltage for maintaining the gas discharge in the gas discharge lamp.
  • the ignition voltage and the operating voltage are identical, while in other embodiments, the operating voltage is lower than that
  • the converter may be designed only to convert the input voltage into a voltage which is then the ignition and operating voltage at the same time.
  • the input voltage is fed via two connection lines 304a and 304b, which are connected, for example, to a household power connection or the like and to which the voltage prevailing in the respective country is applied.
  • the gas discharge lamp controller 300 further has a switching element 302, which is adapted to apply the filaments in the lamp base of the gas discharge lamp with the ignition voltage for igniting the gas discharge and a part of the coils with the operating voltage for
  • the gas discharge lamp control 300 has a temperature measuring unit 303 with a temperature sensor 307, wherein the temperature measuring unit 303 is supplied with electrical energy via a line 306 from the converter 301.
  • the temperature sensor 307 is, for example.
  • the temperature measuring unit 303 together with the temperature sensor 307, detects the current temperature in the gas and issues a control command to the switching element 302 when the detected temperature exceeds a threshold value.
  • the switching element 302 is connected in each case via a line pair 308a, 308b and 309a, 309b with a respectively connected helix or a plurality of helixes.
  • the switching element 302 is set to apply the associated ignition voltage to both line pairs 308a, 308b and 309a, 309b, which the converter 301 supplies via the line 305a.
  • the switching element 302 receives the control signal from the temperature measuring unit 303 via a line 310, the switching element 302 switches over and only supplies the first line pair 308a, 308b with the operating voltage which it receives from the converter 301 via the line 305b, while it receives the second line pair 309a, 309b de-energized switches. Accordingly, the coil (s) connected to the second pair of wires 309a, 309b are turned off.
  • the gas discharge lamp control can be arranged within a lamp base and is therefore in some embodiments part of the gas discharge lamp, while in other embodiments, the gas discharge lamp control, for example.
  • a socket or the like is arranged, in which the gas discharge lamp is received.
  • gas discharge lamps having two lamp sockets have been described. In other embodiments, however, only one lamp cap is present.
  • gases and phosphor coatings are also given by way of example only. As already mentioned, other gases which are known to be used for generating light in gas discharge lamps are used in other embodiments.

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

L'invention concerne un culot d'ampoule pour une lampe à décharge en atmosphère gazeuse, comprenant un tube extérieur (2 ; 12 ; 32 ; 52 ; 102) et un gaz qui produit de la lumière lors de l'application d'un courant électrique sur la base d'une décharge en atmosphère gazeuse. Le culot d'ampoule présente une connexion électrique pourvue d'au moins deux contacts électriques (5a, 5b ; 15a, 15b ; 35a-d ; 55a-d ; 106a, 106b) et au moins deux filaments (8a, 8b ; 18a-c ; 38a, 38b ; 58a-d ; 117a, 117b) destinés à produire la décharge en atmosphère gazeuse dans la lampe à décharge en atmosphère gazeuse, les deux filaments (8a, 8b ; 18a-c ; 38a, 38b ; 58a-d ; 117a, 117b) ou plus étant connectés aux deux contacts électriques (5a, 5b ; 15a, 15b ; 35a-d ; 55a-d ; 106a, 106b) ou plus et le culot d'ampoule étant configuré de telle manière que les deux filaments (8a, 8b ; 18a-c ; 38a, 38b ; 58a-d ; 117a, 117b) ou plus sont disposés sur une extrémité du tube extérieur (2 ; 12 ; 32 ; 52 ; 102).
PCT/EP2013/056589 2012-04-16 2013-03-27 Culot d'ampoule pour lampe à décharge en atmosphère gazeuse WO2013156288A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210103272 DE102012103272B3 (de) 2012-04-16 2012-04-16 Lampensockel für Gasentladungslampe
DE102012103272.6 2012-04-16

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2345638A (en) * 1941-05-03 1944-04-04 Inst Divi Thomae Foundation Enclosed arc device and controlling means for service at varying intensities
JPS5484382A (en) * 1977-12-15 1979-07-05 Matsushita Electric Works Ltd Discharge lamp
JPS5581457A (en) * 1978-12-15 1980-06-19 Matsushita Electric Works Ltd Fluorescent lamp
JPS58225555A (ja) * 1982-06-24 1983-12-27 Matsushita Electric Works Ltd 放電灯装置
JPH08236082A (ja) * 1995-02-23 1996-09-13 Matsushita Electric Works Ltd 可変色放電灯
WO1999018597A1 (fr) 1997-10-02 1999-04-15 Auralight Ab Tube fluorescent presentant deux couches de diffusion diametralement opposees
US20040195955A1 (en) * 2001-07-13 2004-10-07 Gil Teva Gas discharge lamp
WO2005031796A1 (fr) 2003-09-30 2005-04-07 Auralight International Ab Lampe fluorescente pour environnements froids
JP2006339128A (ja) * 2005-05-30 2006-12-14 Nisshin Erekkusu:Kk 複数電極、複数フィラメント構造の蛍光灯とスイッチ回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE853615C (de) * 1948-10-02 1952-10-27 Ulrich W Doering Der Lichtaussendung dienende elektrische Entladungsroehre
JPS52113584A (en) * 1976-03-19 1977-09-22 Matsushita Electronics Corp Lamp and its production method
NL7812539A (nl) * 1978-02-14 1979-08-16 Philips Nv Lagedrukkwikdampontladingslamp.
NL7906202A (nl) * 1979-08-15 1981-02-17 Philips Nv Lagedrukontladingslamp.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2345638A (en) * 1941-05-03 1944-04-04 Inst Divi Thomae Foundation Enclosed arc device and controlling means for service at varying intensities
JPS5484382A (en) * 1977-12-15 1979-07-05 Matsushita Electric Works Ltd Discharge lamp
JPS5581457A (en) * 1978-12-15 1980-06-19 Matsushita Electric Works Ltd Fluorescent lamp
JPS58225555A (ja) * 1982-06-24 1983-12-27 Matsushita Electric Works Ltd 放電灯装置
JPH08236082A (ja) * 1995-02-23 1996-09-13 Matsushita Electric Works Ltd 可変色放電灯
WO1999018597A1 (fr) 1997-10-02 1999-04-15 Auralight Ab Tube fluorescent presentant deux couches de diffusion diametralement opposees
US20040195955A1 (en) * 2001-07-13 2004-10-07 Gil Teva Gas discharge lamp
WO2005031796A1 (fr) 2003-09-30 2005-04-07 Auralight International Ab Lampe fluorescente pour environnements froids
JP2006339128A (ja) * 2005-05-30 2006-12-14 Nisshin Erekkusu:Kk 複数電極、複数フィラメント構造の蛍光灯とスイッチ回路

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