EP0479259A3 - Mercury vapor discharge lamp - Google Patents

Mercury vapor discharge lamp Download PDF

Info

Publication number
EP0479259A3
EP0479259A3 EP19910116800 EP91116800A EP0479259A3 EP 0479259 A3 EP0479259 A3 EP 0479259A3 EP 19910116800 EP19910116800 EP 19910116800 EP 91116800 A EP91116800 A EP 91116800A EP 0479259 A3 EP0479259 A3 EP 0479259A3
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
mercury vapor
vapor discharge
mercury
lamp
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Withdrawn
Application number
EP19910116800
Other versions
EP0479259A2 (en
Inventor
Hidenori Ito
Takashi Yorifuji
Atsushi Sato
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.)
Toshiba Lighting and Technology Corp
Original Assignee
Toshiba Lighting and Technology Corp
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 Toshiba Lighting and Technology Corp filed Critical Toshiba Lighting and Technology Corp
Publication of EP0479259A2 publication Critical patent/EP0479259A2/en
Publication of EP0479259A3 publication Critical patent/EP0479259A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395—Filling vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
EP19910116800 1990-10-01 1991-10-01 Mercury vapor discharge lamp Withdrawn EP0479259A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2263310A JPH04141940A (en) 1990-10-01 1990-10-01 Mercury vapor discharge lamp an manufacture thereof
JP263310/90 1990-10-01

Publications (2)

Publication Number Publication Date
EP0479259A2 EP0479259A2 (en) 1992-04-08
EP0479259A3 true EP0479259A3 (en) 1992-05-20

Family

ID=17387705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910116800 Withdrawn EP0479259A3 (en) 1990-10-01 1991-10-01 Mercury vapor discharge lamp

Country Status (3)

Country Link
EP (1) EP0479259A3 (en)
JP (1) JPH04141940A (en)
KR (1) KR940009328B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2091470A1 (en) * 1992-04-28 1993-10-29 Katherine L. Mcginnis Method and apparatus for introducing mercury into arc discharge lamps
DE4445532A1 (en) * 1994-12-20 1996-06-27 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Low pressure discharge lamp
IT1291974B1 (en) * 1997-05-22 1999-01-25 Getters Spa DEVICE AND METHOD FOR THE INTRODUCTION OF SMALL QUANTITIES OF MERCURY IN FLUORESCENT LAMPS
JP3565137B2 (en) * 2000-05-26 2004-09-15 ウシオ電機株式会社 Method for producing discharge lamp, discharge lamp and carrier for introducing halogen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892665A (en) * 1955-01-31 1959-06-30 Westinghouse Electric Corp Discharge lamp manufacture
DE2203033A1 (en) * 1972-01-22 1973-07-26 Herrmann Gebr Mercury binding material - comprising amalgam-forming metal impregnated in porous carrier
US3825788A (en) * 1972-03-01 1974-07-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure metal vapor discharge lamp with tubular current lead including filler release construction
US4146497A (en) * 1972-12-14 1979-03-27 S.A.E.S. Getters S.P.A. Supported getter
EP0081263A2 (en) * 1981-12-04 1983-06-15 Koninklijke Philips Electronics N.V. Method of producing a low-pressure mercury vapour discharge lamp
EP0228005A2 (en) * 1985-12-19 1987-07-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Storage element for dosing and introducing liquid mercury into a discharge lamp
EP0359724A2 (en) * 1988-09-12 1990-03-21 SAES GETTERS S.p.A. Cold cathodes for fluorescent lamps

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220359A (en) * 1988-02-29 1989-09-04 Toshiba Corp Metal vapor discharge lamp and manufacture thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892665A (en) * 1955-01-31 1959-06-30 Westinghouse Electric Corp Discharge lamp manufacture
DE2203033A1 (en) * 1972-01-22 1973-07-26 Herrmann Gebr Mercury binding material - comprising amalgam-forming metal impregnated in porous carrier
US3825788A (en) * 1972-03-01 1974-07-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure metal vapor discharge lamp with tubular current lead including filler release construction
US4146497A (en) * 1972-12-14 1979-03-27 S.A.E.S. Getters S.P.A. Supported getter
EP0081263A2 (en) * 1981-12-04 1983-06-15 Koninklijke Philips Electronics N.V. Method of producing a low-pressure mercury vapour discharge lamp
EP0228005A2 (en) * 1985-12-19 1987-07-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Storage element for dosing and introducing liquid mercury into a discharge lamp
EP0359724A2 (en) * 1988-09-12 1990-03-21 SAES GETTERS S.p.A. Cold cathodes for fluorescent lamps

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 534 (E-852)(3882) 29 November 1989 & JP-A-1 220 359 ( TOSHIBA CORP ) 4 September 1989 *

Also Published As

Publication number Publication date
KR940009328B1 (en) 1994-10-06
JPH04141940A (en) 1992-05-15
KR920008828A (en) 1992-05-28
EP0479259A2 (en) 1992-04-08

Similar Documents

Publication Publication Date Title
HU9201496D0 (en) Electrodeless low-pression mercury vapour discharge lamp
HUT50530A (en) High-pressure mercury vapour discharge lamp
SG44001A1 (en) Low-pressure mercury discharge lamp
GB2124019B (en) Low-pressure mercury vapour discharge lamp
HU911084D0 (en) Electrodeless low-pressure discharge lamp
HUT57469A (en) Low pressure discharge lamp
HU912288D0 (en) Circuit operating two discharge lamps
EP0550937A3 (en) Low-pressure mercury discharge lamp
DE3361488D1 (en) Low-pressure mercury vapour discharge lamp
GB2248147B (en) Discharge lamp unit
GB9115452D0 (en) Discharge lamp unit
DE3475246D1 (en) Low-pressure mercury vapor discharge lamp
HUT53732A (en) Low-pressure mercury vapour discharge lamp
HU912930D0 (en) Connection arrangement for operating discharge lamp
DE3662959D1 (en) Low-pressure mercury vapour discharge lamp
EP0434162A3 (en) Low-pressure mercury vapour discharge lamp
HU910523D0 (en) High-pressure sodium vapour discharge lamp
EP0453652A3 (en) High pressure discharge lamp
HU9301533D0 (en) Low-pressured mercury vapour discharge lamp
EP0489463A3 (en) Low pressure discharge lamp
GB2245417B (en) Discharge lamp device
EP0438081A3 (en) Metal vapor discharge lamp
GB8508197D0 (en) Low-pressure mercury vapor discharge lamp
GB8315773D0 (en) Low-pressure mercury vapour discharge lamp
HU910524D0 (en) High-pressure sodium vapour discharge lamp

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

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

17P Request for examination filed

Effective date: 19911029

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE GB

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE GB

17Q First examination report despatched

Effective date: 19940617

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: 19941028