EP1276137B1 - Dielektrische Barrieren-Entladungslampe mit Zündhilfe - Google Patents

Dielektrische Barrieren-Entladungslampe mit Zündhilfe Download PDF

Info

Publication number
EP1276137B1
EP1276137B1 EP02011745A EP02011745A EP1276137B1 EP 1276137 B1 EP1276137 B1 EP 1276137B1 EP 02011745 A EP02011745 A EP 02011745A EP 02011745 A EP02011745 A EP 02011745A EP 1276137 B1 EP1276137 B1 EP 1276137B1
Authority
EP
European Patent Office
Prior art keywords
dielectric barrier
discharge
discharge vessel
discharge lamp
electrodes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP02011745A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1276137A2 (de
EP1276137A3 (de
Inventor
Werner Berlinghof
Gerhard Dr. Döll
Wolfgang Kumpf
Gerwin Thiel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1276137A2 publication Critical patent/EP1276137A2/de
Publication of EP1276137A3 publication Critical patent/EP1276137A3/de
Application granted granted Critical
Publication of EP1276137B1 publication Critical patent/EP1276137B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • 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
    • H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel

Definitions

  • the invention relates to a dielectric barrier discharge lamp and a lighting system with such a lamp and an electrical supply device.
  • dielectric barrier discharge lamp includes sources of electromagnetic radiation based on dielectrically impeded gas discharges.
  • the spectrum of the radiation emitted by the gas discharge can include both the visible range and the UV (ultraviolet) / VUV (vacuum ultraviolet) range and the IR (infrared) range.
  • UV ultraviolet
  • VUV vacuum ultraviolet
  • IR infrared
  • the discharge vessel is usually filled with a noble gas, for example xenon, or a gas mixture.
  • a noble gas for example xenon
  • a gas mixture for example xenon
  • excimers are formed.
  • Excimers are excited molecules, such as Xe 2 *, which emit electromagnetic radiation when they return to the normally unbound ground state. In the case of Xe 2 *, the maximum of the molecular beam radiation is about 172 nm.
  • a dielectric barrier discharge lamp necessarily requires at least one so-called dielectrically impeded electrode.
  • a dielectrically impeded electrode is separated from the interior of the discharge vessel by means of a dielectric barrier.
  • This dielectric barrier can be embodied, for example, as a dielectric layer covering the electrode, or it is formed by the discharge vessel of the lamp itself, namely when the electrode is arranged on the outer wall of the discharge vessel.
  • a time-varying voltage between the electrodes is required for the operation of such lamps, for example a sinusoidal alternating voltage or pulsed voltage as in US Pat US-A 5,604,410 disclosed.
  • means which force an initial ignition by local field distortion or field superelevation at a point in the discharge space.
  • the resulting UV radiation and the charge carriers of this local discharge then enforce the reliable ignition of the entire discharge volume.
  • a suitable means for field distortion are disclosed: a dent in the inner or outer tube, which comes up to about half the gap width to the respective other tube; a ball of dielectric material in the discharge space; a quartz droplet fused to the inner surface of the outer tube or the outer surface of the inner tube.
  • a dielectric barrier discharge lamp having electrodes disposed on the outside of the discharge vessel.
  • the electrodes are connected to generate the main discharge with a first electrical voltage source.
  • One of the two electrodes is divided into several segments.
  • the segments of the electrode are alternately connected to one pole of a second voltage source.
  • auxiliary discharges are generated between the adjacent segments serving as auxiliary electrodes in this phase with the aid of the second voltage source.
  • the auxiliary discharges between The segments trigger the actual main discharge between the electrodes.
  • the object of the present invention is to provide a dielectric barrier discharge lamp according to the preamble of claim 1, which exhibits an improved ignition behavior.
  • the dielectric barrier discharge lamp according to the invention with an elongated discharge vessel defining a longitudinal axis has at least one electrically conductive means for assisting the ignition of the dielectrically impeded discharge, which is arranged on the discharge vessel wall and extends with respect to the longitudinal axis only over a partial region of the discharge vessel wall.
  • the dielectric barrier discharge lamp has internal electrodes, since this embodiment according to the US-A 6,097,155 has proven to be particularly efficient.
  • the dielectrically impeded electrodes are realized by elongated electrodes arranged along the longitudinal axis on the inside of the wall of the discharge vessel and covered with a dielectric layer.
  • the electrically conductive means is preferably arranged on the outside of the wall of the discharge vessel.
  • the electrically conductive means is a ring or part of a ring, in particular made of metal, which also subsequently on the elongated, in particular circular tubular discharge vessel can be plugged.
  • the width of the means along the longitudinal axis of the discharge vessel is typically between about 1 mm and a few 10 mm, in particular between 3 mm and 15 mm. It has been shown that this is sufficient on the one hand for a reliable ignition in the rule and on the other hand, the light emitted by the lamp light is still relatively little shadowed.
  • the means is preferably arranged at one end of the discharge vessel. It has proven to be advantageous if the means overlaps one end of the elongated electrodes. An overlap of a few mm, in particular about 1 mm, is already sufficient. However, the means may also overlap the elongate electrodes over its entire width.
  • the lamp has at least at one end a base, wherein the means is integrated in the base.
  • the electrically conductive means may also be at floating electrical potential, it has proved favorable if the means is connected to ground potential, preferably to the ground potential of the voltage source supplying the lamp.
  • the connection to ground potential has the advantage that defined voltage ratios between means and electrodes are established.
  • the electrodes of the dielectric barrier discharge lamp according to the invention are connected to the associated poles of a voltage source.
  • the means is connected to constant potential with respect to the time-varying voltage at the poles of the voltage source.
  • the voltage source is designed such that it can provide a pulse voltage sequence at its poles.
  • the voltage source is designed such that the voltage source can provide a symmetrical pulse voltage sequence with respect to its ground potential, wherein the means is connected to the ground potential.
  • a symmetrical voltage here has, inter alia, the advantage that no unwanted capacitive currents flow through the ground line through the ground line.
  • FIG. 1 shows a rod-shaped fluorescent lamp 1.
  • the lamp 1 consists essentially of a tubular discharge vessel 2 made of soda-lime glass with a circular cross-section and two strip-shaped electrodes 3 (the second electrode is hidden and therefore not visible), which are parallel to the tube longitudinal axis and arranged diametrically to each other on the Inside the wall of the discharge vessel 2 are applied.
  • Each of the internal electrodes 3 is covered with a dielectric barrier 4 made of glass solder.
  • the inside of the wall of the discharge vessel is covered with a phosphor layer (not shown for illustrative purposes).
  • a first end of the discharge vessel 2 is closed by means of a blunt fusion 5.
  • the second end of the discharge vessel 2 is closed by means of a plate-shaped closure element (not visible in this illustration).
  • the edge of the plate-shaped closure element is fused with a constriction 7 of the discharge vessel 2.
  • a metal ring 8 of width B 5 mm - viewed in the direction of the longitudinal axis of the discharge vessel 2 - arranged on the outside of the wall of the discharge vessel 2.
  • the metal ring 8 in FIG. 1 shown transparent.
  • the lamp 1 is for a pulsed mode of operation according to the already mentioned US-A 5,604,410 intended.
  • the two outer power supply lines 6 of the dielectric barrier discharge lamp 1 are connected to the two poles of a voltage source (not shown).
  • the voltage source is designed to provide at its two poles a pulse voltage sequence symmetrical with respect to a ground potential.
  • a voltage source is on the US 6,172,467 The disclosure of which is hereby incorporated by reference.
  • the metal ring 8 is connected via a connection 9 to the ground potential of the voltage source. As a result, the metal ring 8 acts as a means for improving the ignition behavior, whereby significantly lower voltages for the ignition of the lamp after long periods of operation are required as without ring.
  • FIG. 2 is a variant of the lamp FIG. 1 shown.
  • the same features are provided with the same reference numerals.
  • the variant in FIG. 1 differs in that the metal ring 8 is pushed over the second end of the discharge vessel 2 and above the constriction 7 (here hidden and therefore not visible) is arranged.
  • the advantage of this variant is that the connection 9 at the second end of the lamp together with the supply lines (not shown) for the power supply lines 6 of the electrodes 3 can be led to the voltage source.
  • the probability of the above-mentioned undesirable occurrence of filamentous partial discharge is particularly significantly reduced.
  • a connection with a defined electrical potential is not absolutely necessary.
  • the metal ring 8 above the constriction 7 in any case has a favorable influence on the electric field in the region of the passage of the power supply lines 6 into the interior of the discharge vessel 2.
  • the lamp is provided with a base (not shown) in which the metal ring is integrated.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP02011745A 2001-07-10 2002-05-27 Dielektrische Barrieren-Entladungslampe mit Zündhilfe Expired - Lifetime EP1276137B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10133326A DE10133326A1 (de) 2001-07-10 2001-07-10 Dielektrische Barrieren-Entladungslampe mit Zündhilfe
DE10133326 2001-07-10

Publications (3)

Publication Number Publication Date
EP1276137A2 EP1276137A2 (de) 2003-01-15
EP1276137A3 EP1276137A3 (de) 2006-01-25
EP1276137B1 true EP1276137B1 (de) 2008-10-15

Family

ID=7691179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02011745A Expired - Lifetime EP1276137B1 (de) 2001-07-10 2002-05-27 Dielektrische Barrieren-Entladungslampe mit Zündhilfe

Country Status (8)

Country Link
US (1) US6777878B2 (zh)
EP (1) EP1276137B1 (zh)
JP (1) JP2003036817A (zh)
KR (1) KR100881313B1 (zh)
CA (1) CA2392974A1 (zh)
DE (2) DE10133326A1 (zh)
DK (1) DK1276137T3 (zh)
TW (1) TW575889B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10048409A1 (de) * 2000-09-29 2002-04-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe mit kapazitiver Feldmodulation
DE10140356A1 (de) * 2001-08-17 2003-02-27 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Röhrförmige Entladungslampe mit Zündhilfe
US7216690B2 (en) * 2004-06-17 2007-05-15 Ut-Battelle Llc Method and apparatus for semi-solid material processing
US7446477B2 (en) * 2004-07-06 2008-11-04 General Electric Company Dielectric barrier discharge lamp with electrodes in hexagonal arrangement
US20060006804A1 (en) * 2004-07-06 2006-01-12 Lajos Reich Dielectric barrier discharge lamp
US7495396B2 (en) * 2005-12-14 2009-02-24 General Electric Company Dielectric barrier discharge lamp
CN101663730A (zh) * 2007-04-18 2010-03-03 皇家飞利浦电子股份有限公司 介质阻挡放电灯
JP5307029B2 (ja) * 2007-12-17 2013-10-02 株式会社オーク製作所 放電ランプ
WO2009139908A1 (en) * 2008-05-15 2009-11-19 Rutgers, The State University Fluorescent excimer lamps
WO2022167262A1 (en) 2021-02-02 2022-08-11 Signify Holding B.V. Ignition aid for dielectric barrier discharges

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0430764Y2 (zh) * 1987-10-30 1992-07-24
DE4222130C2 (de) * 1992-07-06 1995-12-14 Heraeus Noblelight Gmbh Hochleistungsstrahler
DE4311197A1 (de) 1993-04-05 1994-10-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zum Betreiben einer inkohärent strahlenden Lichtquelle
JPH07151553A (ja) * 1993-10-07 1995-06-16 Murata Mfg Co Ltd 振動ジャイロ
JPH09245745A (ja) * 1996-03-12 1997-09-19 Nec Home Electron Ltd 表示用放電灯
JPH10188910A (ja) * 1996-12-25 1998-07-21 Ushio Inc 外部電極型蛍光ランプ
DE19718395C1 (de) * 1997-04-30 1998-10-29 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Leuchtstofflampe und Verfahren zu ihrem Betrieb
JP2001502843A (ja) * 1997-07-22 2001-02-27 パテント―トロイハント―ゲゼルシャフト フュール エレクトリッシェ グリューラムペン ミット ベシュレンクテル ハフツング パルス電圧列の発生方法およびそのための回路装置
DE19734885C1 (de) 1997-08-12 1999-03-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zum Erzeugen von Impulsspannungsfolgen für den Betrieb von Entladungslampen und zugehörige Schaltungsanordnung
DE19811520C1 (de) * 1998-03-17 1999-08-12 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe mit dielektrisch behinderten Entladungen
DE19817475B4 (de) * 1998-04-20 2004-04-15 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Entladungslampe mit dielektrisch behinderten Elektroden sowie Beleuchtungssystem mit einer solchen Entladungslampe
JPH11329356A (ja) * 1998-05-12 1999-11-30 Hitachi Ltd 放電装置
DE19843419A1 (de) * 1998-09-22 2000-03-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe mit dielektrisch behinderten Elektroden
DE19843985A1 (de) * 1998-09-25 2000-07-06 Bosch Gmbh Robert Gasentladungslampe, insbesondere für Kraftfahrzeugscheinwerfer
DE19858810A1 (de) * 1998-12-21 2000-06-29 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Flache Beleuchtungsvorrichtung und Betriebsverfahren
WO2000058998A1 (en) * 1999-03-25 2000-10-05 Koninklijke Philips Electronics N.V. Lighting arrangement
DE19951873A1 (de) * 1999-10-28 2001-05-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe
DE19955108A1 (de) * 1999-11-16 2001-05-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe mit verbesserter Temperaturhomogenität
JP2001143656A (ja) * 1999-11-16 2001-05-25 Matsushita Electric Ind Co Ltd 冷陰極放電管
DE10005975A1 (de) * 2000-02-09 2001-08-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Betriebsverfahren für eine Entladungslampe mit mindestens einer dielektrisch behinderten Elektrode
DE10048410A1 (de) 2000-09-29 2002-04-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dielektrische Barriere-Entladungslampe

Also Published As

Publication number Publication date
CA2392974A1 (en) 2003-01-10
US6777878B2 (en) 2004-08-17
KR100881313B1 (ko) 2009-02-03
US20030011321A1 (en) 2003-01-16
EP1276137A2 (de) 2003-01-15
TW575889B (en) 2004-02-11
KR20030007063A (ko) 2003-01-23
DE10133326A1 (de) 2003-01-23
DE50212887D1 (de) 2008-11-27
EP1276137A3 (de) 2006-01-25
DK1276137T3 (da) 2009-01-19
JP2003036817A (ja) 2003-02-07

Similar Documents

Publication Publication Date Title
DE19718395C1 (de) Leuchtstofflampe und Verfahren zu ihrem Betrieb
DE69820992T2 (de) Hochdruckentladungslampe
EP0895653B1 (de) Elektrische strahlungsquelle und bestrahlungssystem mit dieser strahlungsquelle
DE19517515A1 (de) Entladungslampe und Verfahren zum Betreiben derartiger Entladungslampen
EP0578953A1 (de) Hochleistungsstrahler
DE102006007218A1 (de) Hochdruckentladungslampe
EP1276137B1 (de) Dielektrische Barrieren-Entladungslampe mit Zündhilfe
DE602004010629T2 (de) Gasentladungslampe
EP1506567B1 (de) Dielektrische barriere-entladungslampe mit sockel
EP1088335B1 (de) Entladungslampe mit sockel
EP0393449B1 (de) Leuchtstofflampe
EP1334510B1 (de) Dielektrische barrieren-entladungslampe
DE10331510B4 (de) Kurzbogen-Entladungslampe sowie Lichtquellenvorrichtung
DE10140355A1 (de) Entladungslampe mit Zündhilfe
DE10147961A1 (de) Dielektrische Barriere-Entladungslampe und Verfahren sowie Schaltunggsanordnung zum Zünden und Betreiben dieser Lampe
DE10356762A1 (de) Entladungslampe vom Kurzbogentyp
DE19817475B4 (de) Entladungslampe mit dielektrisch behinderten Elektroden sowie Beleuchtungssystem mit einer solchen Entladungslampe
DE9002959U1 (de) Hochdruck-Entladungslampe
EP2529389A1 (de) Hochdruckentladungslampe mit kapazitiver zündhilfe
DE202007004236U1 (de) Dielektrische Barriere-Entladungslampe mit Zündhilfe
DE102013100520B4 (de) Blitzlampenanordnung und Verfahren zum Zünden derselben
DE202010017945U1 (de) Hochdruckentladungslampe mit kapazitiver Zündhilfe
DE102013103807A1 (de) HF-Lampe mit vergrabener Elektrode
DE10306584A1 (de) Niederdruckentladungslampe

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 41/22 20060101ALI20051202BHEP

Ipc: H01J 65/04 20060101AFI20021125BHEP

Ipc: H01J 61/54 20060101ALI20051202BHEP

17P Request for examination filed

Effective date: 20060206

17Q First examination report despatched

Effective date: 20060824

AKX Designation fees paid

Designated state(s): AT DE DK FR GB

17Q First examination report despatched

Effective date: 20060824

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK

REF Corresponds to:

Ref document number: 50212887

Country of ref document: DE

Date of ref document: 20081127

Kind code of ref document: P

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20090716

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50212887

Country of ref document: DE

Owner name: OSRAM GMBH, DE

Free format text: FORMER OWNER: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG, 81543 MUENCHEN, DE

Effective date: 20111128

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20120521

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20120720

Year of fee payment: 11

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50212887

Country of ref document: DE

Owner name: OSRAM GMBH, DE

Free format text: FORMER OWNER: OSRAM AG, 81543 MUENCHEN, DE

Effective date: 20130205

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50212887

Country of ref document: DE

Owner name: OSRAM GMBH, DE

Free format text: FORMER OWNER: OSRAM GMBH, 81543 MUENCHEN, DE

Effective date: 20130822

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131203

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

Effective date: 20130531

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50212887

Country of ref document: DE

Effective date: 20131203

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130531