BE876143A - LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP - Google Patents

LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

Info

Publication number
BE876143A
BE876143A BE0/195073A BE195073A BE876143A BE 876143 A BE876143 A BE 876143A BE 0/195073 A BE0/195073 A BE 0/195073A BE 195073 A BE195073 A BE 195073A BE 876143 A BE876143 A BE 876143A
Authority
BE
Belgium
Prior art keywords
low pressure
discharge lamp
pressure mercury
mercury vapor
vapor discharge
Prior art date
Application number
BE0/195073A
Other languages
French (fr)
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Publication of BE876143A publication Critical patent/BE876143A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7792—Aluminates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
BE0/195073A 1978-05-11 1979-05-09 LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP BE876143A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7805067A NL7805067A (en) 1978-05-11 1978-05-11 LOW-PRESSURE MERCURY DISCHARGE LAMP.

Publications (1)

Publication Number Publication Date
BE876143A true BE876143A (en) 1979-11-09

Family

ID=19830814

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/195073A BE876143A (en) 1978-05-11 1979-05-09 LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

Country Status (6)

Country Link
JP (1) JPS54147183A (en)
BE (1) BE876143A (en)
DE (1) DE2917931A1 (en)
FR (1) FR2425724A1 (en)
GB (1) GB2020686B (en)
NL (1) NL7805067A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6099754A (en) * 1998-03-31 2000-08-08 Sarnoff Corporation Long persistence red phosphors
JP5712428B2 (en) * 2009-10-23 2015-05-07 国立大学法人山梨大学 Red phosphor for ultraviolet excitation light source

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL160869C (en) * 1972-11-03 Philips Nv LUMINESCENT SCREEN, AS WELL AS DISCHARGE LAMP AND KATHODE BEAM TUBE, FITTED WITH SUCH SCREEN.
NL177757C (en) * 1975-04-16 1985-11-18 Philips Nv LUMINESCENT SCREEN, LOW-PRESSURE MERCURY DISCHARGE LAMP, AND METHOD FOR PREPARING A LUMINESCENT, CERIUM AND MANGANE ACTIVATED ALUMINATE.

Also Published As

Publication number Publication date
DE2917931A1 (en) 1979-11-15
GB2020686A (en) 1979-11-21
JPS54147183A (en) 1979-11-17
FR2425724B1 (en) 1983-12-30
GB2020686B (en) 1982-06-09
NL7805067A (en) 1979-11-13
FR2425724A1 (en) 1979-12-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19850509