DE2425566A1 - Leuchtschirm - Google Patents

Leuchtschirm

Info

Publication number
DE2425566A1
DE2425566A1 DE19742425566 DE2425566A DE2425566A1 DE 2425566 A1 DE2425566 A1 DE 2425566A1 DE 19742425566 DE19742425566 DE 19742425566 DE 2425566 A DE2425566 A DE 2425566A DE 2425566 A1 DE2425566 A1 DE 2425566A1
Authority
DE
Germany
Prior art keywords
luminescent
strontium
beryllium
formula
silicate
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.)
Withdrawn
Application number
DE19742425566
Other languages
German (de)
English (en)
Inventor
Willebrordus Hubertus Spijker
Johannus Godefridu Verlijsdonk
Judicus Marinus Piet Verstegen
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 DE2425566A1 publication Critical patent/DE2425566A1/de
Withdrawn legal-status Critical Current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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77342—Silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
DE19742425566 1973-06-01 1974-05-27 Leuchtschirm Withdrawn DE2425566A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7307628A NL7307628A (https=) 1973-06-01 1973-06-01

Publications (1)

Publication Number Publication Date
DE2425566A1 true DE2425566A1 (de) 1974-12-19

Family

ID=19818982

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742425566 Withdrawn DE2425566A1 (de) 1973-06-01 1974-05-27 Leuchtschirm

Country Status (9)

Country Link
US (1) US4127498A (https=)
JP (1) JPS5021986A (https=)
BE (1) BE815761A (https=)
CA (1) CA1039047A (https=)
DE (1) DE2425566A1 (https=)
FR (1) FR2232072B1 (https=)
GB (1) GB1458631A (https=)
NL (1) NL7307628A (https=)
SE (1) SE7407105L (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128498A (en) 1977-03-28 1978-12-05 Dai Nippon Toryo Co., Ltd. Chlorosilicate phosphor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2230623T3 (es) * 1997-03-26 2005-05-01 Zhiguo Xiao Material luminiscente de silicato con postluminiscencia de larga duracion y procedimiento de fabricacion del mismo.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457054A (en) * 1941-12-31 1948-12-21 Rca Corp Luminescent materials for electric discharge devices
US3544481A (en) * 1967-12-01 1970-12-01 Sylvania Electric Prod Europium-activated alkaline earth orthosilicate phosphor
US3651363A (en) * 1968-12-23 1972-03-21 Sylvania Electric Prod Divalent europium-activated barium-magnesium pyrosilicate
BE789747A (fr) * 1971-10-07 1973-04-05 Philips Nv Ecran luminescent
BE792944A (fr) * 1971-12-18 1973-06-18 Philips Nv Ecran luminescent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128498A (en) 1977-03-28 1978-12-05 Dai Nippon Toryo Co., Ltd. Chlorosilicate phosphor

Also Published As

Publication number Publication date
BE815761A (fr) 1974-12-02
JPS5021986A (https=) 1975-03-08
FR2232072A1 (https=) 1974-12-27
US4127498A (en) 1978-11-28
NL7307628A (https=) 1974-12-03
FR2232072B1 (https=) 1977-09-30
SE7407105L (https=) 1974-12-02
GB1458631A (en) 1976-12-15
CA1039047A (en) 1978-09-26

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Legal Events

Date Code Title Description
OD Request for examination
8139 Disposal/non-payment of the annual fee