DE1283419B - Verfahren zur Herstellung von Oxysulfid-Leuchtstoffen der seltenen Erden - Google Patents

Verfahren zur Herstellung von Oxysulfid-Leuchtstoffen der seltenen Erden

Info

Publication number
DE1283419B
DE1283419B DEN32142A DEN0032142A DE1283419B DE 1283419 B DE1283419 B DE 1283419B DE N32142 A DEN32142 A DE N32142A DE N0032142 A DEN0032142 A DE N0032142A DE 1283419 B DE1283419 B DE 1283419B
Authority
DE
Germany
Prior art keywords
melt
temperature
oxysulfide
phosphors
heated
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Withdrawn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
DEN32142A
Other languages
German (de)
English (en)
Inventor
Roelof Egbert Schuil
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 DE1283419B publication Critical patent/DE1283419B/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Withdrawn legal-status Critical Current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, 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
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767—Chalcogenides
    • C09K11/7769—Oxides
    • C09K11/7771—Oxysulfides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/288—Sulfides
    • C01F17/294—Oxysulfides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/20—Luminescent screens characterised by the luminescent material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Luminescent Compositions (AREA)
DEN32142A 1967-03-31 1968-02-17 Verfahren zur Herstellung von Oxysulfid-Leuchtstoffen der seltenen Erden Withdrawn DE1283419B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6704591A NL6704591A (OSRAM) 1967-03-31 1967-03-31

Publications (1)

Publication Number Publication Date
DE1283419B true DE1283419B (de) 1968-11-21

Family

ID=19799713

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN32142A Withdrawn DE1283419B (de) 1967-03-31 1968-02-17 Verfahren zur Herstellung von Oxysulfid-Leuchtstoffen der seltenen Erden

Country Status (9)

Country Link
US (1) US3562174A (OSRAM)
AT (1) AT281141B (OSRAM)
BE (1) BE713015A (OSRAM)
DE (1) DE1283419B (OSRAM)
FR (1) FR1566757A (OSRAM)
GB (1) GB1206197A (OSRAM)
NL (1) NL6704591A (OSRAM)
NO (1) NO120750B (OSRAM)
SE (1) SE329681B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807085A1 (de) * 1978-02-18 1979-09-20 Dainippon Toryo Kk Pigmentbeschichteter phosphor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856698A (en) * 1972-06-16 1974-12-24 Gen Electric Preparation of rare-earth oxysulfide luminescent material
US3926837A (en) * 1974-10-29 1975-12-16 Westinghouse Electric Corp Method for the preparation of europium activated yttrium oxysulfide

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462547A (en) * 1945-08-08 1949-02-22 Polytechnic Inst Brooklyn Doubly activated infrared phosphors and methods of preparing same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462547A (en) * 1945-08-08 1949-02-22 Polytechnic Inst Brooklyn Doubly activated infrared phosphors and methods of preparing same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807085A1 (de) * 1978-02-18 1979-09-20 Dainippon Toryo Kk Pigmentbeschichteter phosphor

Also Published As

Publication number Publication date
FR1566757A (OSRAM) 1969-05-09
US3562174A (en) 1971-02-09
BE713015A (OSRAM) 1968-09-30
SE329681B (OSRAM) 1970-10-19
NL6704591A (OSRAM) 1968-10-01
NO120750B (OSRAM) 1970-11-30
GB1206197A (en) 1970-09-23
AT281141B (de) 1970-05-11

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee