GB681142A - Improvements in or relating to luminescent screens - Google Patents

Improvements in or relating to luminescent screens

Info

Publication number
GB681142A
GB681142A GB7135/47A GB713547A GB681142A GB 681142 A GB681142 A GB 681142A GB 7135/47 A GB7135/47 A GB 7135/47A GB 713547 A GB713547 A GB 713547A GB 681142 A GB681142 A GB 681142A
Authority
GB
United Kingdom
Prior art keywords
group
march
mol
bismuth
activator
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
GB7135/47A
Other languages
English (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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
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 Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB681142A publication Critical patent/GB681142A/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
    • C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
    • C09K11/7464—Phosphates
    • C09K11/7471—Phosphates with alkaline earth metals
    • 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
    • C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
    • C09K11/7464—Phosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
GB7135/47A 1946-03-18 1947-03-14 Improvements in or relating to luminescent screens Expired GB681142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL681142X 1946-03-18

Publications (1)

Publication Number Publication Date
GB681142A true GB681142A (en) 1952-10-22

Family

ID=19804336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7135/47A Expired GB681142A (en) 1946-03-18 1947-03-14 Improvements in or relating to luminescent screens

Country Status (5)

Country Link
CH (2) CH263135A (de)
DE (1) DE809277C (de)
DK (1) DK77348C (de)
FR (1) FR943371A (de)
GB (1) GB681142A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012011B (de) * 1953-06-30 1957-07-11 Gen Electric Verfahren zur Herstellung eines Calciumpyrophosphat-Leuchtstoffs

Also Published As

Publication number Publication date
FR943371A (fr) 1949-03-07
DK77348C (da) 1954-04-05
CH263135A (de) 1949-08-15
DE809277C (de) 1951-07-26
CH263127A (de) 1949-08-15

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