GB2020686B - Luminescent materials - Google Patents

Luminescent materials

Info

Publication number
GB2020686B
GB2020686B GB7915804A GB7915804A GB2020686B GB 2020686 B GB2020686 B GB 2020686B GB 7915804 A GB7915804 A GB 7915804A GB 7915804 A GB7915804 A GB 7915804A GB 2020686 B GB2020686 B GB 2020686B
Authority
GB
United Kingdom
Prior art keywords
luminescent materials
luminescent
materials
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
GB7915804A
Other versions
GB2020686A (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB2020686A publication Critical patent/GB2020686A/en
Application granted granted Critical
Publication of GB2020686B publication Critical patent/GB2020686B/en
Expired legal-status Critical Current

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)
GB7915804A 1978-05-11 1979-05-08 Luminescent materials Expired GB2020686B (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 (2)

Publication Number Publication Date
GB2020686A GB2020686A (en) 1979-11-21
GB2020686B true GB2020686B (en) 1982-06-09

Family

ID=19830814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7915804A Expired GB2020686B (en) 1978-05-11 1979-05-08 Luminescent materials

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
NL7805067A (en) 1979-11-13
FR2425724B1 (en) 1983-12-30
DE2917931A1 (en) 1979-11-15
FR2425724A1 (en) 1979-12-07
GB2020686A (en) 1979-11-21
BE876143A (en) 1979-11-09
JPS54147183A (en) 1979-11-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee