EP0991107A1 - Entladungslampe und Beleuchtungssystem mit einer Entladungslampe - Google Patents
Entladungslampe und Beleuchtungssystem mit einer Entladungslampe Download PDFInfo
- Publication number
- EP0991107A1 EP0991107A1 EP99112643A EP99112643A EP0991107A1 EP 0991107 A1 EP0991107 A1 EP 0991107A1 EP 99112643 A EP99112643 A EP 99112643A EP 99112643 A EP99112643 A EP 99112643A EP 0991107 A1 EP0991107 A1 EP 0991107A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- discharge lamp
- lamp
- discharge
- translucent
- vessel
- 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.)
- Granted
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
- H01J61/30—Vessels; Containers
- H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
Definitions
- the invention relates to a discharge lamp according to the preamble of Claim 1 and a lighting system with a discharge lamp.
- Such a discharge lamp is for example in the American one Patent US 5,420,481.
- This patent describes a discharge lamp external electrodes applied to their discharge vessel that are designed as transparent ITO layers.
- European patent EP 0 334 208 describes one in a reflector arranged discharge lamp, the discharge vessel of a cylindrical, glass thermal pitot tube is surrounded.
- the thermal pitot tube is included an ITO layer to approximate the color temperature of the lamp Lower 600 Kelvin.
- the aforementioned discharge lamps have the disadvantage that their operation on an electronic control gear, which the lamp is usually equipped with medium-frequency supply voltage in the range of approximately 20 KHz feeds up to 100 kHz, can interfere with the reception of radio equipment.
- the discharge lamp according to the invention has at least one translucent one Lamp vessel which encloses the discharge space of the discharge lamp, a lamp and electrical connections for their power supply.
- the at least one lamp vessel has one translucent, electrically conductive layer on at least the discharge space of the lamp. Under the discharge space is here only the part of the interior that is effective for gas discharge in the lamp understood the at least one lamp vessel.
- the invention Coating therefore extends at least over those parts of the vessel at least one lamp vessel, which enclose the discharge plasma.
- the translucent, electrically conductive Layer advantageously on the outer surface of the at least applied a lamp vessel.
- the specific surface resistance of the translucent, electrically conductive layer advantageously less than 100 ohms per Square.
- the specific surface resistance of an electrically conductive layer is usually measured with the help of two flat electrodes, which are applied to the layer to be measured so that they are facing each other are arranged opposite one another.
- the distance between the two measuring electrodes is the same size as the width of the measuring electrodes, so that between the two Measuring electrodes a square section of the layer to be measured is arranged.
- a current is given to the layer via the measuring electrodes Current intensity and the voltage drop across the measuring electrodes determined by means of a galvanometer.
- the quotient from the measured Voltage drop and the current strength of the impressed current results the specific surface resistance of the layer to be measured.
- the surface resistance of the layer is independent of the size the square area of the layer. It just depends on that Quotients from the specific electrical resistance of the layer material and the layer thickness.
- the unit of surface resistivity is usually referred to as ohms per square.
- the translucent, electrically conductive layer is advantageously as ITO layer, that is, formed as an indium tin oxide layer.
- a discharge lamp that is predominantly yellow, orange, or red Light emitted.
- the layer thickness of the translucent, electrically conductive Layer is therefore advantageously chosen so that the coated lamp vessel as far as possible in the wavelength range from 550 nm to 700 nm high transparency, that is, a transmission coefficient of greater than 0.8.
- the thickness of the translucent, electrically conductive layer on the one hand, it must be sufficiently large to have sufficient electrical power To ensure conductivity, but also sufficient be small in order to still have sufficient light transmission.
- the discharge lamp is designed as a neon gas discharge lamp. That lamp mainly produces orange or red light. It can therefore advantageously as part of a lighting system in a motor vehicle, to generate the flashing light or the tail light and / or brake light, be used.
- the lighting system according to the invention has a discharge lamp and an operating device for the discharge lamp, wherein the discharge lamp at least one enclosing the discharge space of the lamp Lamp vessel has that with a translucent, electrically conductive Layer is provided, wherein this layer is at least over the discharge space extends and to a predetermined electrical reference potential, which advantageously the circuit-internal ground potential of the operating device or the earth potential is connected.
- a translucent, electrically conductive Layer is provided, wherein this layer is at least over the discharge space extends and to a predetermined electrical reference potential, which advantageously the circuit-internal ground potential of the operating device or the earth potential is connected.
- the reflector has of the lighting system according to the invention advantageously a metallic or a metallized reflection surface.
- the reflector practices therefore also a shielding effect on that of the discharge plasma electromagnetic radiation generated in the discharge lamp.
- This allows the layer thickness of the translucent, electrically conductive Layer on the reflector or the interior of the lamp facing Wall areas of the at least one lamp vessel advantageously run less than on those facing away from the reflector Wall areas of the at least one lamp vessel, and on this Way the light transmission of the wall areas facing the reflector increases and the efficiency of the lighting system according to the invention be improved.
- the at least one lamp vessel advantageously has one cylindrical vessel part and two angled in the direction of the reflector End up. This ensures that the dark ends of the Discharge lamp equipped with the electrical connections of the lamp are not visible. Alternatively, the dark ends of the Discharge lamp also in shadowed areas of the lighting device be relocated.
- Lighting system is the layer thickness of the translucent, electrically conductive layer on the wall areas facing away from the reflector of the at least one lamp vessel 300 nm Wall areas a particularly high transparency for light with a wavelength from 600 nm.
- This lighting system is therefore advantageously suitable for use in a motor vehicle to generate the Tail light and / or the brake light.
- FIG. 1 it is a neon gas discharge lamp.
- That lamp has a tubular, glass discharge vessel 1 with two right angles, Ends angled in the same direction 1a.
- Electrode system 2 of the neon gas discharge lamp melted down gas-tight.
- the current leads protruding from the melting area 1aa 2a form the electrical connections of the lamp.
- the discharge vessel 1 has a circular cylindrical shape at the ends 1a.
- the outer diameter of the discharge vessel 1 is approximately 5 mm.
- the distance between the power leads 2a which is approximately the length of the circular cylindrical discharge vessel part 1b corresponds to 308 mm.
- the angled ends 1a have a length of 36.2 mm.
- the outer surface of the discharge vessel 1 is provided with a so-called ITO layer 4 - this is an indium tin oxide layer - which extends over the entire discharge space 3 of the neon gas discharge lamp as far as the melting areas 1aa of the electrodes 2.
- the discharge space 3 is defined here by the ends of the two electrodes 2 on the discharge side and the inner diameter of the discharge vessel 1.
- the ITO layer 4 measured using the four-point measurement method, has a specific surface resistance of 14 ohms per square. It consists of 90 percent by weight indium oxide In 2 O 3 and 10 percent by weight tin oxide SnO 2 .
- the transmission curve 1 shows the light transmittance of the discharge vessel 1 with ITO layer 4 as a function of the wavelength
- the transmission curve 2 shows the light transmittance of the discharge vessel without ITO layer.
- the layer thickness of the ITO layer is coordinated in such a way that the transmission curve 1 has a transmission maximum at a wavelength of 600 nm, that is to say for red light which is emitted predominantly by the neon gas discharge lamp.
- the layer thickness of the ITO layer 4 is therefore approximately 300 nm.
- the transmission of the coated lamp vessel 1 is more than 80% of the light impinging on the inner wall of the discharge vessel 1, that is to say the transmission coefficient therein Wavelength range greater than 0.8.
- a transmission coefficient of more than 0.85 is achieved.
- the neon gas discharge lamp described above is preferably a component a lighting system, in particular a motor vehicle rear light and serves to generate a tail light and / or a brake light.
- this rear light also includes an electronic control gear for the neon gas discharge lamp and one trough-shaped reflector 5, which between the angled ends 1 a Lamp is arranged.
- the circular cylindrical vessel part 1b of the discharge vessel 1 is arranged approximately in the optical axis of the reflector 5.
- the reflection surface 5a of the reflector 5 facing the lamp is metallic or metallized and with the internal circuit potential of the Control gear connected.
- the ITO layer 4 of the discharge vessel 1 is also connected to the internal circuit potential of the control gear.
- the lighting device also has a housing (not shown) on, the metallized parts also to the internal circuit potential are connected so that a star-shaped contact in a common ground point.
- a housing not shown
- the metallized parts also to the internal circuit potential are connected so that a star-shaped contact in a common ground point.
- On the reflector 5 facing Wall areas 10a of the discharge vessel 1 have the ITO layer 4 a smaller layer thickness than that facing away from the reflector 5 Wall regions 10b of the discharge vessel 1.
- the layer thickness of the ITO layer 4 is on the wall areas facing away from the reflector 5 10b has a value of approx. 300 nm while it is on the reflector 5 facing wall regions 10a measures approximately 100 nm.
- ITO layer 4 does not have to cover the whole Extend discharge vessel 1. Those wall areas are sufficient of the discharge vessel 1, which the space between the discharge side Enclose ends of the two electrodes 2 to be provided with the ITO layer 4.
- the invention can also be applied to other types of discharge lamps, for example on low-pressure discharge lamps or on high-pressure discharge lamps and on lighting systems with a high-pressure discharge lamp such as one with a high pressure discharge lamp equipped automotive headlights can be applied.
- a high-pressure discharge lamp such as one with a high pressure discharge lamp equipped automotive headlights can be applied.
- it is a single-sided high-pressure discharge lamp, which is a discharge vessel enclosed by a glass outer bulb has, the outer bulb with a translucent, electrically conductive layer - preferably an ITO layer which extends over the entire discharge space of the lamp.
- the High-pressure discharge lamp is preferably part of a motor vehicle headlight and is operated on an electronic control gear.
- the translucent, electrically conductive layer on the outer bulb The high-pressure discharge lamp is connected to the internal ground potential connected to the control gear.
- translucent, electrically conductive layers which consist of another material, for example of tin oxide SnO 2 or of tin oxide SnO 2 : F or SnO 2 : Sb doped with fluorine or antimony.
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
- Figur 1
- einen Längsschnitt durch eine Entladungslampe gemäß des bevorzugten Ausführungsbeispiels der Erfindung in schematischer Darstellung
- Figur 2
- einen Querschnitt durch die Entladungslampe gemäß Figur 1 mit einem Reflektor in schematischer Darstellung
- Figur 3
- Transmissionskurven für das unbeschichtete und das beschichtete Lampengefäß
Claims (16)
- Entladungslampe mit mindestens einem lichtdurchlässigen Lampengefäß (1), das den Entladungsraum (3) der Entladungslampe umschließt, einem Leuchtmittel und elektrischen Anschlüssen (2a) zur Spannungsversorgung der Entladungslampe,
dadurch gekennzeichnet, daß das mindestens eine Lampengefäß (1) eine lichtdurchlässige, elektrisch leitfähige Schicht (4) aufweist, die sich zumindest über den gesamten Entladungsraum (3) der Entladungslampe erstreckt. - Entladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß das mindestens eine Lampengefäß (1) mindestens ein abgedichtetes Ende (1a) mit einem Einschmelzungsbereich (1aa) für ein Elektrodensystem (2) besitzt und daß sich die lichtdurchlässige, elektrisch leitfähige Schicht (4) bis zu dem Einschmelzungsbereich (1aa) erstreckt.
- Entladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die lichtdurchlässige, elektrisch leitfähige Schicht (4) auf der äußeren Oberfläche des mindestens einen Lampengefäßes (1) angeordnet ist.
- Entladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß der spezifische Oberflächenwiderstand der Schicht (4) kleiner als 100 Ohm pro Square ist.
- Entladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die Schicht (4) eine ITO-Schicht, das heißt, eine Indium-Zinn-Oxid-Schicht ist.
- Entladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die Lampe eine Neongasentladungslampe ist.
- Entladungslampe nach Anspruch 6, dadurch gekennzeichnet, daß der Transmissionskoeffizient des mindestens einen Lampengefäßes (1) in dem Wellenlängenbereich von 550 nm bis 700 nm größer als 0,8 ist.
- Entladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die Entladungslampe eine Hochdruckentladungslampe ist.
- Entladungslampe nach Anspruch 8, dadurch gekennzeichnet, daß die Hochdruckentladungslampe einen das Entladungsgefäß umschließenden Außenkolben besitzt und die lichtdurchlässige, elektrisch leitfähige Schicht auf dem Außenkolben der Hochdruckentladungslampe angeordnet ist.
- Beleuchtungssystem mit einer Entladungslampe nach einem oder mehreren der Ansprüch 1 bis 9 und einem Betriebsgerät für die Entladungslampe.
- Beleuchtungssystem nach Anspruch 10, dadurch gekennzeichnet, daß die lichtdurchlässige, elektrisch leitende Schicht (4) an ein vorgegebenes elektrisches Bezugspotential angeschlossen ist.
- Beleuchtungssystem nach Anspruch 11, dadurch gekennzeichnet, daß das vorgegebene elektrische Bezugspotential das schaltungsinterne Massepotential des Betriebsgerätes oder das Erdpotential ist.
- Beleuchtungssystem nach Anspruch 10, dadurch gekennzeichnet, daß das Beleuchtungssystem einen Reflektor (5) mit einer metallischen oder einer metallisierten Reflexionsfläche (5a) besitzt und das mindestens eine Lampengefäß (1) dem Reflektor (5) zugewandte Wandbereiche (10a) und vom Reflektor (5) abgewandte Wandbereiche (10b) besitzt, wobei die Schichtdicke der lichtdurchlässigen, elektrisch leitfähigen Schicht (4) auf den dem Reflektor (5) zugewandten Wandbereichen (10a) geringer als die Schichtdicke der lichtdurchlässigen, elektrisch leitfähigen Schicht (4) auf den vom Reflektor (5) abgewandten Wandbereichen (10b) ist.
- Beleuchtungssystem nach den Ansprüchen 11 und 13, dadurch gekennzeichnet, daß der Reflektor (5) an das vorgegebene elektrische Bezugspotential angeschlossen ist.
- Beleuchtungssystem nach Anspruch 13, dadurch gekennzeichnet, daß die Schichtdicke der lichtdurchlässigen, elektrisch leitfähigen Schicht (4) auf den vom Reflektor (5) abgewandten Wandbereichen (10b) des mindestens einen Lampengefäßes 300 nm beträgt.
- Verwendung eines Beleuchtungssystems nach einem oder mehreren der Ansprüche 10 bis 15 in einem Kraftfahrzeug.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19844548A DE19844548A1 (de) | 1998-09-29 | 1998-09-29 | Entladungslampe und Beleuchtungssystem mit einer Entladungslampe |
DE19844548 | 1998-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0991107A1 true EP0991107A1 (de) | 2000-04-05 |
EP0991107B1 EP0991107B1 (de) | 2004-01-28 |
Family
ID=7882589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99112643A Expired - Lifetime EP0991107B1 (de) | 1998-09-29 | 1999-07-02 | Beleuchtungssystem mit einer Entladungslampe |
Country Status (8)
Country | Link |
---|---|
US (1) | US6153982A (de) |
EP (1) | EP0991107B1 (de) |
JP (1) | JP2000106010A (de) |
KR (1) | KR20000034948A (de) |
AT (1) | ATE258717T1 (de) |
CA (1) | CA2281191A1 (de) |
DE (2) | DE19844548A1 (de) |
HU (1) | HUP9903289A3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004083900A2 (en) * | 2003-03-18 | 2004-09-30 | Philips Intellectual Property & Standards Gmbh | Gas discharge lamp |
US7705540B2 (en) | 2004-09-07 | 2010-04-27 | Osram Gesellschaft Mit Beschraenkter Haftung | High-pressure discharge lamp having electrically conductive transparent coating |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6404132B1 (en) | 2001-03-27 | 2002-06-11 | Liteglow Industries, Inc. | Neon cruising lights for use with motor vehicle headlights |
US6593706B1 (en) * | 2001-10-02 | 2003-07-15 | The Regents Of The University Of California | High pressure neon arc lamp |
BE1015302A3 (fr) * | 2003-01-10 | 2005-01-11 | Glaverbel | Vitrage comportant des composants electroniques. |
ES2291858T3 (es) * | 2003-03-18 | 2008-03-01 | Koninklijke Philips Electronics N.V. | Lampara de descarga de gas. |
DE102005007679A1 (de) * | 2005-02-19 | 2006-08-31 | Hella Kgaa Hueck & Co. | Brenner für eine Gasentladungslampe mit Zuleitungen |
DE102005007678A1 (de) * | 2005-02-19 | 2006-09-07 | Hella Kgaa Hueck & Co. | Brenner für eine Gasentladungslampe mit Vorheizung |
DE102005007672A1 (de) * | 2005-02-19 | 2006-09-07 | Hella Kgaa Hueck & Co. | Brenner für eine Gasentladungslampe |
DE102005007660A1 (de) * | 2005-02-19 | 2006-08-24 | Hella Kgaa Hueck & Co. | Brenner für eine Gasentladungslampe |
DE102005007657A1 (de) * | 2005-02-19 | 2006-08-24 | Hella Kgaa Hueck & Co. | Gasentladungslampe, insbesondere für Kraftfahrzeugscheinwerfer |
DE102005007658A1 (de) * | 2005-02-19 | 2006-08-24 | Robert Bosch Gmbh | Brenner für eine Gasentladungslampe und Verfahren zur Herstellung eines solchen Brenners |
DE102006007218A1 (de) | 2006-02-15 | 2007-08-16 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Hochdruckentladungslampe |
US20070247850A1 (en) * | 2006-03-28 | 2007-10-25 | Kenall Manufacturing Co. | Lighting Fixture with EMI/RFI Shield |
US7772749B2 (en) * | 2007-05-01 | 2010-08-10 | General Electric Company | Wavelength filtering coating for high temperature lamps |
TWI417474B (zh) * | 2010-05-31 | 2013-12-01 | 明志科技大學 | 可降低電磁輻射的燈泡與燈具 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568859A (en) * | 1982-12-29 | 1986-02-04 | U.S. Philips Corporation | Discharge lamp with interference shielding |
EP0334208A2 (de) | 1988-03-22 | 1989-09-27 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Kompakte Reflektorlampe |
US5003214A (en) * | 1986-12-19 | 1991-03-26 | Gte Products Corporation | Metal halide lamp having reflective coating on the arc tube |
JPH0443547A (ja) * | 1990-06-08 | 1992-02-13 | Toshiba Lighting & Technol Corp | 自動車用照明装置および放電ランプ |
EP0512622A1 (de) * | 1991-05-08 | 1992-11-11 | Koninklijke Philips Electronics N.V. | Elektrodenlose Niederdruckquecksilberdampfentladungslampe |
US5420481A (en) | 1993-09-27 | 1995-05-30 | Smiths Industries | Fluorescent lamp with wide range of luminous intensities |
EP0660375A2 (de) * | 1993-12-22 | 1995-06-28 | Ge Lighting Limited | Elektrodenlose-Fluoreszenzlampe |
EP0673057A2 (de) * | 1994-03-18 | 1995-09-20 | Ge Lighting Limited | Elektrodenlose Leuchtstofflampe |
EP0767340A2 (de) * | 1995-10-02 | 1997-04-09 | Osram Sylvania Inc. | Entladungslampe mit einer lichtdurchlässigen, leitfähigen Beschichtung zur RF-Begrenzung und Aufwärmung, und diese enthaltende Lampenanordnung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3932783A (en) * | 1969-01-02 | 1976-01-13 | Sylvania Electric Products Inc. | Fluorescent lamp containing indium oxide |
NL7610170A (nl) * | 1976-09-14 | 1978-03-16 | Philips Nv | Lagedrukkwikdampontladingslamp. |
JPS559309A (en) * | 1978-07-03 | 1980-01-23 | Tokyo Shibaura Electric Co | Light illuminating bulb |
US4227113A (en) * | 1978-10-18 | 1980-10-07 | Duro-Test Corporation | Incandescent electric lamp with partial light transmitting coating |
GB2126006B (en) * | 1982-08-19 | 1985-11-27 | Gen Electric Co Plc | Cathodoluminescent light sources |
CA2017471C (en) * | 1989-07-19 | 2000-10-24 | Matthew Eric Krisl | Optical interference coatings and lamps using same |
US5287258A (en) * | 1990-04-04 | 1994-02-15 | Robert Bosch Gmbh | Headlamp for motor vehicles |
WO1997040519A1 (en) * | 1996-04-19 | 1997-10-30 | Philips Electronics N.V. | Electrodeless low-pressure discharge lamp |
JP3635849B2 (ja) * | 1997-04-07 | 2005-04-06 | ウシオ電機株式会社 | 希ガス放電灯 |
-
1998
- 1998-09-29 DE DE19844548A patent/DE19844548A1/de not_active Withdrawn
-
1999
- 1999-07-02 AT AT99112643T patent/ATE258717T1/de not_active IP Right Cessation
- 1999-07-02 DE DE59908400T patent/DE59908400D1/de not_active Expired - Lifetime
- 1999-07-02 EP EP99112643A patent/EP0991107B1/de not_active Expired - Lifetime
- 1999-08-23 US US09/379,427 patent/US6153982A/en not_active Expired - Fee Related
- 1999-08-26 CA CA002281191A patent/CA2281191A1/en not_active Abandoned
- 1999-09-28 JP JP11274777A patent/JP2000106010A/ja active Pending
- 1999-09-28 KR KR1019990041466A patent/KR20000034948A/ko not_active Application Discontinuation
- 1999-09-28 HU HU9903289A patent/HUP9903289A3/hu unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568859A (en) * | 1982-12-29 | 1986-02-04 | U.S. Philips Corporation | Discharge lamp with interference shielding |
US5003214A (en) * | 1986-12-19 | 1991-03-26 | Gte Products Corporation | Metal halide lamp having reflective coating on the arc tube |
EP0334208A2 (de) | 1988-03-22 | 1989-09-27 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Kompakte Reflektorlampe |
JPH0443547A (ja) * | 1990-06-08 | 1992-02-13 | Toshiba Lighting & Technol Corp | 自動車用照明装置および放電ランプ |
EP0512622A1 (de) * | 1991-05-08 | 1992-11-11 | Koninklijke Philips Electronics N.V. | Elektrodenlose Niederdruckquecksilberdampfentladungslampe |
US5420481A (en) | 1993-09-27 | 1995-05-30 | Smiths Industries | Fluorescent lamp with wide range of luminous intensities |
EP0660375A2 (de) * | 1993-12-22 | 1995-06-28 | Ge Lighting Limited | Elektrodenlose-Fluoreszenzlampe |
EP0673057A2 (de) * | 1994-03-18 | 1995-09-20 | Ge Lighting Limited | Elektrodenlose Leuchtstofflampe |
EP0767340A2 (de) * | 1995-10-02 | 1997-04-09 | Osram Sylvania Inc. | Entladungslampe mit einer lichtdurchlässigen, leitfähigen Beschichtung zur RF-Begrenzung und Aufwärmung, und diese enthaltende Lampenanordnung |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 016, no. 230 (E - 1208) 27 May 1992 (1992-05-27) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004083900A2 (en) * | 2003-03-18 | 2004-09-30 | Philips Intellectual Property & Standards Gmbh | Gas discharge lamp |
WO2004083900A3 (en) * | 2003-03-18 | 2004-11-04 | Philips Intellectual Property | Gas discharge lamp |
US7705540B2 (en) | 2004-09-07 | 2010-04-27 | Osram Gesellschaft Mit Beschraenkter Haftung | High-pressure discharge lamp having electrically conductive transparent coating |
Also Published As
Publication number | Publication date |
---|---|
JP2000106010A (ja) | 2000-04-11 |
HUP9903289A3 (en) | 2000-05-29 |
CA2281191A1 (en) | 2000-03-29 |
US6153982A (en) | 2000-11-28 |
EP0991107B1 (de) | 2004-01-28 |
KR20000034948A (ko) | 2000-06-26 |
DE59908400D1 (de) | 2004-03-04 |
DE19844548A1 (de) | 2000-03-30 |
HUP9903289A2 (hu) | 2000-04-28 |
ATE258717T1 (de) | 2004-02-15 |
HU9903289D0 (en) | 1999-11-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0991107B1 (de) | Beleuchtungssystem mit einer Entladungslampe | |
DE69628986T2 (de) | Lampenanordnung mit einer Entladungslampe, die eine lichtdurchlässige und leitfähige Beschichtung zur RF-Begrenzung und Aufwärmung besitzt. | |
DE3607460C2 (de) | Elektrodenlose Niederdruckentladungslampe | |
EP1984936B1 (de) | Hochdruckentladungslampe | |
EP0922297B1 (de) | Leuchtstofflampe | |
DE102012018001A1 (de) | Transparente Scheibe, Scheiben-Sensor-Einheit und Kraftfahrzeug | |
DE19628925B4 (de) | Entladungslampe mit einer Füllung, die Deuterium, Wasserstoff, Quecksilber, ein Metallhalogenid oder Edelgas aufweist | |
DE602004010629T2 (de) | Gasentladungslampe | |
DE69603926T2 (de) | Beleuchtungseinheit, elektrodenlose niederdruckentladungslampe und entladungsgefäss zur verwendung in der beleuchtungseinheit | |
DE3513833A1 (de) | Schmelzsicherungseinsatz mit optoelektrischer anzeigeeinrichtung | |
DE602004003171T2 (de) | Scheibenantennensystem für Fahrzeuge | |
DE3038993C2 (de) | Metalldampfentladungslampe | |
DE69019600T2 (de) | Plasma-Anzeigevorrichtung. | |
DE69926706T2 (de) | Niederdruckquecksilberdampfeentladungslampe | |
EP1276137B1 (de) | Dielektrische Barrieren-Entladungslampe mit Zündhilfe | |
DE69707620T2 (de) | Elektrodenlose niederdruckentladungsröhre | |
DE69103133T2 (de) | Hochfrequenzversorgte anzeigevorrichtung. | |
DE2739591C2 (de) | Niederdruckquecksilberdampfentladungslampe | |
DE10236549A1 (de) | Elektrische Glühlampe | |
DE2745666A1 (de) | Blendfreier rueckblickspiegel fuer fahrzeuge, insbesondere kraftfahrzeuge, sowie verfahren zu seiner herstellung | |
EP1055866A2 (de) | Kraftfahrzeugleuchte | |
DD264316A5 (de) | Elektrische gluehlampe fuer netzspannungsbetrieb | |
DE2634798C3 (de) | Glühzündkerze | |
DE19640666A1 (de) | Entladungslampe, insbesondere für Fahrzeugbeleuchtungseinrichtungen | |
EP0990840A1 (de) | Dimmbare Beleuchtungsvorrichtung |
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: A1 Designated state(s): BE DE ES FR GB IT NL SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
17P | Request for examination filed |
Effective date: 20000503 |
|
AKX | Designation fees paid |
Free format text: BE DE ES FR GB IT NL SE |
|
17Q | First examination report despatched |
Effective date: 20021125 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RTI1 | Title (correction) |
Free format text: LIGHTING DEVICE COMPRISING A DISCHARGE LAMP |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040128 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 20040128 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040128 Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040128 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040128 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040128 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040128 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
REF | Corresponds to: |
Ref document number: 59908400 Country of ref document: DE Date of ref document: 20040304 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040428 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040428 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040428 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040509 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040702 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040702 |
|
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20040128 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040731 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040731 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040731 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040731 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
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: 20041029 |
|
EN | Fr: translation not filed | ||
BERE | Be: lapsed |
Owner name: *PATENT-TREUHAND-G.- FUR ELEKTRISCHE GLUHLAMPEN M. Effective date: 20040731 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
BERE | Be: lapsed |
Owner name: *PATENT-TREUHAND-G.- FUR ELEKTRISCHE GLUHLAMPEN M. Effective date: 20040731 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040628 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 59908400 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: 20111130 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 59908400 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: 59908400 Country of ref document: DE Owner name: OSRAM GMBH, DE Free format text: FORMER OWNER: OSRAM GMBH, 81543 MUENCHEN, DE Effective date: 20130822 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20170724 Year of fee payment: 19 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 59908400 Country of ref document: DE |
|
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: 20190201 |