FR2232072B1 - - Google Patents

Info

Publication number
FR2232072B1
FR2232072B1 FR7419045A FR7419045A FR2232072B1 FR 2232072 B1 FR2232072 B1 FR 2232072B1 FR 7419045 A FR7419045 A FR 7419045A FR 7419045 A FR7419045 A FR 7419045A FR 2232072 B1 FR2232072 B1 FR 2232072B1
Authority
FR
France
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
FR7419045A
Other versions
FR2232072A1 (fr
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 FR2232072A1 publication Critical patent/FR2232072A1/fr
Application granted granted Critical
Publication of FR2232072B1 publication Critical patent/FR2232072B1/fr
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
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77342—Silicates
FR7419045A 1973-06-01 1974-05-31 Expired FR2232072B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2232072A1 FR2232072A1 (fr) 1974-12-27
FR2232072B1 true FR2232072B1 (fr) 1977-09-30

Family

ID=19818982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419045A Expired FR2232072B1 (fr) 1973-06-01 1974-05-31

Country Status (9)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119287A (en) 1977-03-28 1978-10-18 Dainippon Toryo Co Ltd Fluorescent substance
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

Also Published As

Publication number Publication date
GB1458631A (en) 1976-12-15
SE7407105L (fr) 1974-12-02
US4127498A (en) 1978-11-28
BE815761A (fr) 1974-12-02
DE2425566A1 (de) 1974-12-19
NL7307628A (fr) 1974-12-03
CA1039047A (fr) 1978-09-26
FR2232072A1 (fr) 1974-12-27
JPS5021986A (fr) 1975-03-08

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Legal Events

Date Code Title Description
ST Notification of lapse