FR2209214A1 - High pressure mercury vapour discharge lamp - contg. added rare earth halide to give white light - Google Patents

High pressure mercury vapour discharge lamp - contg. added rare earth halide to give white light

Info

Publication number
FR2209214A1
FR2209214A1 FR7343206A FR7343206A FR2209214A1 FR 2209214 A1 FR2209214 A1 FR 2209214A1 FR 7343206 A FR7343206 A FR 7343206A FR 7343206 A FR7343206 A FR 7343206A FR 2209214 A1 FR2209214 A1 FR 2209214A1
Authority
FR
France
Prior art keywords
contg
mercury vapour
high pressure
rare earth
white light
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
Application number
FR7343206A
Other languages
English (en)
French (fr)
Other versions
FR2209214B1 (cs
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2209214A1 publication Critical patent/FR2209214A1/fr
Application granted granted Critical
Publication of FR2209214B1 publication Critical patent/FR2209214B1/fr
Granted legal-status Critical Current

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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps

Landscapes

  • Discharge Lamp (AREA)
FR7343206A 1972-12-04 1973-12-04 High pressure mercury vapour discharge lamp - contg. added rare earth halide to give white light Granted FR2209214A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31166772A 1972-12-04 1972-12-04

Publications (2)

Publication Number Publication Date
FR2209214A1 true FR2209214A1 (en) 1974-06-28
FR2209214B1 FR2209214B1 (cs) 1976-06-25

Family

ID=23207925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343206A Granted FR2209214A1 (en) 1972-12-04 1973-12-04 High pressure mercury vapour discharge lamp - contg. added rare earth halide to give white light

Country Status (2)

Country Link
JP (1) JPS4988372A (cs)
FR (1) FR2209214A1 (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049545A1 (en) * 1980-10-02 1982-04-14 Koninklijke Philips Electronics N.V. High-pressure mercury vapour discharge lamp
EP0342762A1 (en) * 1988-05-19 1989-11-23 Koninklijke Philips Electronics N.V. High-pressure metal halide discharge lamp
EP0271911A3 (en) * 1986-12-19 1990-05-23 Gte Laboratories Incorporated Rare earth halide light source with enhanced red emission
EP1271615A2 (en) 2001-06-28 2003-01-02 Matsushita Electric Industrial Co., Ltd. Metal halide lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1443865A (fr) * 1962-10-16 1966-07-01 Sylvania Electric Prod Appareil de décharge électrique
US3334261A (en) * 1965-10-24 1967-08-01 Sylvania Electric Prod High pressure discharge device having a fill including iodine mercury and at least one rare earth metal
US3384775A (en) * 1965-05-06 1968-05-21 Gen Electric Mercury metal halide discharge lamp having iodine present in stoichiometric proportions with respect to the reactive metals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1443865A (fr) * 1962-10-16 1966-07-01 Sylvania Electric Prod Appareil de décharge électrique
US3384775A (en) * 1965-05-06 1968-05-21 Gen Electric Mercury metal halide discharge lamp having iodine present in stoichiometric proportions with respect to the reactive metals
US3334261A (en) * 1965-10-24 1967-08-01 Sylvania Electric Prod High pressure discharge device having a fill including iodine mercury and at least one rare earth metal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049545A1 (en) * 1980-10-02 1982-04-14 Koninklijke Philips Electronics N.V. High-pressure mercury vapour discharge lamp
EP0271911A3 (en) * 1986-12-19 1990-05-23 Gte Laboratories Incorporated Rare earth halide light source with enhanced red emission
EP0342762A1 (en) * 1988-05-19 1989-11-23 Koninklijke Philips Electronics N.V. High-pressure metal halide discharge lamp
EP1271615A2 (en) 2001-06-28 2003-01-02 Matsushita Electric Industrial Co., Ltd. Metal halide lamp
EP1271615A3 (en) * 2001-06-28 2006-08-23 Matsushita Electric Industrial Co., Ltd. Metal halide lamp

Also Published As

Publication number Publication date
FR2209214B1 (cs) 1976-06-25
JPS4988372A (cs) 1974-08-23

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Legal Events

Date Code Title Description
ST Notification of lapse