GB1505447A - Highpressure gas discharge lamp - Google Patents

Highpressure gas discharge lamp

Info

Publication number
GB1505447A
GB1505447A GB4834476A GB4834476A GB1505447A GB 1505447 A GB1505447 A GB 1505447A GB 4834476 A GB4834476 A GB 4834476A GB 4834476 A GB4834476 A GB 4834476A GB 1505447 A GB1505447 A GB 1505447A
Authority
GB
United Kingdom
Prior art keywords
gas discharge
discharge lamp
nov
highpressure gas
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.)
Expired
Application number
GB4834476A
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.)
PHILIPS Ltd
Original Assignee
PHILIPS Ltd
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 PHILIPS Ltd filed Critical PHILIPS Ltd
Publication of GB1505447A publication Critical patent/GB1505447A/en
Expired 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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/183—Composition or manufacture of getters

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)

Abstract

1505447 Gettering discharge lamps PHILIPS ELECTRONIC &ASSOCIATEDINDUSTRIES Ltd 19 Nov 1976 [24 Nov 1975] 48344/76 Heading HID A high pressure gas discharge lamp, e.g. a sodium or a mercury vapour lamp, has a glass outer envelope containing a discharge vessel and a hydrogen getter comprising lithium nitride.
GB4834476A 1975-11-24 1976-11-19 Highpressure gas discharge lamp Expired GB1505447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7513672A NL7513672A (en) 1975-11-24 1975-11-24 HIGH PRESSURE GAS DISCHARGE LAMP.

Publications (1)

Publication Number Publication Date
GB1505447A true GB1505447A (en) 1978-03-30

Family

ID=19824909

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4834476A Expired GB1505447A (en) 1975-11-24 1976-11-19 Highpressure gas discharge lamp

Country Status (6)

Country Link
JP (1) JPS5265986A (en)
BE (1) BE848617A (en)
DE (1) DE2651644A1 (en)
FR (1) FR2332612A1 (en)
GB (1) GB1505447A (en)
NL (1) NL7513672A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003015126A1 (en) * 2001-08-03 2003-02-20 Koninklijke Philips Electronics N.V. High-pressure discharge lamp and method of manufacturing it

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7459220B2 (en) * 2002-05-10 2008-12-02 Koninklijke Philips Electronics, N.V. Electroluminescent panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003015126A1 (en) * 2001-08-03 2003-02-20 Koninklijke Philips Electronics N.V. High-pressure discharge lamp and method of manufacturing it

Also Published As

Publication number Publication date
JPS5265986A (en) 1977-05-31
FR2332612A1 (en) 1977-06-17
NL7513672A (en) 1977-05-26
BE848617A (en) 1977-05-23
DE2651644A1 (en) 1977-06-02

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed