EP0803898A3 - Elektrode für Entladungslampen - Google Patents
Elektrode für Entladungslampen Download PDFInfo
- Publication number
- EP0803898A3 EP0803898A3 EP97106015A EP97106015A EP0803898A3 EP 0803898 A3 EP0803898 A3 EP 0803898A3 EP 97106015 A EP97106015 A EP 97106015A EP 97106015 A EP97106015 A EP 97106015A EP 0803898 A3 EP0803898 A3 EP 0803898A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- barium
- discharge lamp
- lamp electrode
- electrode
- bahfo
- 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.)
- Withdrawn
Links
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
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Landscapes
- Discharge Lamp (AREA)
- Luminescent Compositions (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19616408A DE19616408A1 (de) | 1996-04-24 | 1996-04-24 | Elektrode für Entladungslampen |
DE19616408 | 1996-04-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0803898A2 EP0803898A2 (de) | 1997-10-29 |
EP0803898A3 true EP0803898A3 (de) | 1997-12-29 |
Family
ID=7792333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97106015A Withdrawn EP0803898A3 (de) | 1996-04-24 | 1997-04-11 | Elektrode für Entladungslampen |
Country Status (9)
Country | Link |
---|---|
US (1) | US5880558A (de) |
EP (1) | EP0803898A3 (de) |
JP (1) | JPH1050252A (de) |
KR (1) | KR970071987A (de) |
CN (1) | CN1170954A (de) |
CA (1) | CA2203330A1 (de) |
DE (1) | DE19616408A1 (de) |
HU (1) | HU218818B (de) |
TW (1) | TW320733B (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1037244A3 (de) * | 1999-03-12 | 2003-01-08 | TDK Corporation | Elektronenemittierendes Material und Verfahren zu dessen Herstellung |
WO2001086693A1 (en) | 2000-05-12 | 2001-11-15 | Koninklijke Philips Electronics N.V. | High-pressure, electric discharge lamp |
JP2002289139A (ja) * | 2001-03-28 | 2002-10-04 | Matsushita Electric Ind Co Ltd | 冷陰極放電ランプ |
DE10122392A1 (de) * | 2001-05-09 | 2002-11-14 | Philips Corp Intellectual Pty | Gasentladungslampe |
US6603249B2 (en) * | 2001-09-24 | 2003-08-05 | Osram Sylvania Inc. | Fluorescent lamp with reduced sputtering |
DE10242241A1 (de) * | 2002-09-12 | 2004-03-25 | Philips Intellectual Property & Standards Gmbh | Niederdruckgasentladungslampe mit Ba TiO3-ähnlichen Elektronen-Ermittersubstanzen |
CN1306554C (zh) * | 2004-04-20 | 2007-03-21 | 陈宗烈 | 无灯丝热阴极荧光灯 |
US7633226B2 (en) * | 2005-11-30 | 2009-12-15 | General Electric Company | Electrode materials for electric lamps and methods of manufacture thereof |
US8253331B2 (en) * | 2010-04-28 | 2012-08-28 | General Electric Company | Mercury dosing method for fluorescent lamps |
CN104091740A (zh) * | 2014-01-24 | 2014-10-08 | 朱惠冲 | 高强度稀土钼管冷阴极及其制备工艺 |
CN109686515B (zh) * | 2018-12-30 | 2021-02-12 | 苏州团芯终端有限公司 | 高可靠性的ptc热敏电阻 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6477857A (en) * | 1987-09-18 | 1989-03-23 | Tdk Corp | Cold cathode discharge apparatus |
JPH0443546A (ja) * | 1990-06-08 | 1992-02-13 | Tdk Corp | 放電電極 |
JPH04272109A (ja) * | 1991-02-27 | 1992-09-28 | Toshiba Corp | 冷陰極蛍光ランプ用電極材料およびそれからなる電極 |
US5336970A (en) * | 1991-12-26 | 1994-08-09 | At&T Bell Laboratories | Gas tube protector |
EP0612093A1 (de) * | 1993-02-16 | 1994-08-24 | Jacques Villain | Kaltkathode für eine Gasentladungsröhre mit einer Erdalkalimetallschicht auf einem metallischen Träger |
JPH07142027A (ja) * | 1993-11-17 | 1995-06-02 | Noritake Co Ltd | 放電管 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687489A (en) * | 1952-06-26 | 1954-08-24 | Hanovia Chemical & Mfg Co | Electrode |
DE1120016B (de) * | 1964-07-08 | 1961-12-21 | Elger 1 Alpenlaendisches Unter | Nicht geheizte Elektrode, insbesondere fuer Niederspannungsleuchtstofflampen, sowie Lampe mit solchen Elektroden |
US3558964A (en) * | 1968-10-21 | 1971-01-26 | Gen Electric | High current thermionic hollow cathode lamp |
US4081713A (en) * | 1976-01-28 | 1978-03-28 | Hitachi, Ltd. | Directly heated oxide cathode |
US4105908A (en) * | 1976-04-30 | 1978-08-08 | General Electric Company | Metal halide lamp having open tungsten coil electrodes |
US4210840A (en) * | 1978-12-12 | 1980-07-01 | Westinghouse Electric Corp. | HID Lamp emission material |
KR900008794B1 (ko) * | 1986-06-11 | 1990-11-29 | 티 디 케이 가부시끼가이샤 | 방전 램프장치 |
KR920001844B1 (ko) * | 1986-07-15 | 1992-03-05 | 티디 케이 가부시기가이샤 | 냉음극형 방전 등 장치 |
US5278474A (en) * | 1989-01-12 | 1994-01-11 | Tokyo Densoku Kabushiki Kaisha | Discharge tube |
JPH04174951A (ja) * | 1990-07-19 | 1992-06-23 | Tokyo Densoku Kk | 放電管 |
US5627430A (en) * | 1994-06-29 | 1997-05-06 | Ushiodenki Kabushiki Kaisha | Discharge lamp having a cathode with a sintered tip insert |
WO1996014654A1 (en) * | 1994-11-08 | 1996-05-17 | Philips Electronics N.V. | Low-pressure discharge lamp |
-
1996
- 1996-04-24 DE DE19616408A patent/DE19616408A1/de not_active Withdrawn
-
1997
- 1997-03-12 KR KR1019970008180A patent/KR970071987A/ko not_active Application Discontinuation
- 1997-04-11 EP EP97106015A patent/EP0803898A3/de not_active Withdrawn
- 1997-04-16 TW TW086104916A patent/TW320733B/zh active
- 1997-04-21 JP JP9117555A patent/JPH1050252A/ja active Pending
- 1997-04-22 CA CA002203330A patent/CA2203330A1/en not_active Abandoned
- 1997-04-23 HU HU9700799A patent/HU218818B/hu not_active IP Right Cessation
- 1997-04-23 US US08/847,547 patent/US5880558A/en not_active Expired - Lifetime
- 1997-04-24 CN CN97110597A patent/CN1170954A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6477857A (en) * | 1987-09-18 | 1989-03-23 | Tdk Corp | Cold cathode discharge apparatus |
JPH0443546A (ja) * | 1990-06-08 | 1992-02-13 | Tdk Corp | 放電電極 |
JPH04272109A (ja) * | 1991-02-27 | 1992-09-28 | Toshiba Corp | 冷陰極蛍光ランプ用電極材料およびそれからなる電極 |
US5336970A (en) * | 1991-12-26 | 1994-08-09 | At&T Bell Laboratories | Gas tube protector |
EP0612093A1 (de) * | 1993-02-16 | 1994-08-24 | Jacques Villain | Kaltkathode für eine Gasentladungsröhre mit einer Erdalkalimetallschicht auf einem metallischen Träger |
JPH07142027A (ja) * | 1993-11-17 | 1995-06-02 | Noritake Co Ltd | 放電管 |
Non-Patent Citations (4)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 013, no. 298 (E - 784) 10 July 1989 (1989-07-10) * |
PATENT ABSTRACTS OF JAPAN vol. 016, no. 230 (E - 1208) 27 May 1992 (1992-05-27) * |
PATENT ABSTRACTS OF JAPAN vol. 017, no. 064 (M - 1364) 8 February 1993 (1993-02-08) * |
PATENT ABSTRACTS OF JAPAN vol. 095, no. 009 31 October 1995 (1995-10-31) * |
Also Published As
Publication number | Publication date |
---|---|
DE19616408A1 (de) | 1997-10-30 |
US5880558A (en) | 1999-03-09 |
TW320733B (de) | 1997-11-21 |
HU9700799D0 (en) | 1997-06-30 |
HU218818B (hu) | 2000-12-28 |
EP0803898A2 (de) | 1997-10-29 |
HUP9700799A2 (hu) | 1998-04-28 |
CA2203330A1 (en) | 1997-10-24 |
KR970071987A (ko) | 1997-11-07 |
JPH1050252A (ja) | 1998-02-20 |
HUP9700799A3 (en) | 1999-10-28 |
CN1170954A (zh) | 1998-01-21 |
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Legal Events
Date | Code | Title | Description |
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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 |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19980121 |
|
17Q | First examination report despatched |
Effective date: 19990909 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20010620 |