DE69011671T2 - Verbesserte Methode zur Herstellung von Lanthanum-Cerium-Terbium-Phosphat-Phosphor. - Google Patents

Verbesserte Methode zur Herstellung von Lanthanum-Cerium-Terbium-Phosphat-Phosphor.

Info

Publication number
DE69011671T2
DE69011671T2 DE69011671T DE69011671T DE69011671T2 DE 69011671 T2 DE69011671 T2 DE 69011671T2 DE 69011671 T DE69011671 T DE 69011671T DE 69011671 T DE69011671 T DE 69011671T DE 69011671 T2 DE69011671 T2 DE 69011671T2
Authority
DE
Germany
Prior art keywords
production
improved method
lanthanum cerium
phosphate phosphorus
cerium terbium
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 - Fee Related
Application number
DE69011671T
Other languages
English (en)
Other versions
DE69011671D1 (de
Inventor
Chung-Nin Chau
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.)
Osram Sylvania Inc
Original Assignee
GTE Products Corp
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 GTE Products Corp filed Critical GTE Products Corp
Application granted granted Critical
Publication of DE69011671D1 publication Critical patent/DE69011671D1/de
Publication of DE69011671T2 publication Critical patent/DE69011671T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C09K11/7777—Phosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
DE69011671T 1990-05-14 1990-12-28 Verbesserte Methode zur Herstellung von Lanthanum-Cerium-Terbium-Phosphat-Phosphor. Expired - Fee Related DE69011671T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/522,612 US5106532A (en) 1990-05-14 1990-05-14 Method of making lanthanum cerium terbium phosphate phosphor

Publications (2)

Publication Number Publication Date
DE69011671D1 DE69011671D1 (de) 1994-09-22
DE69011671T2 true DE69011671T2 (de) 1994-12-08

Family

ID=24081582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011671T Expired - Fee Related DE69011671T2 (de) 1990-05-14 1990-12-28 Verbesserte Methode zur Herstellung von Lanthanum-Cerium-Terbium-Phosphat-Phosphor.

Country Status (4)

Country Link
US (1) US5106532A (de)
EP (1) EP0456938B1 (de)
JP (1) JP2875058B2 (de)
DE (1) DE69011671T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694299B1 (fr) * 1992-07-29 1994-09-09 Rhone Poulenc Chimie Nouveaux luminophores verts à base de phosphate mixte de lanthane, cérium et terbium, précurseur de ceux-ci et procédés de synthèse.
FR2694281B1 (fr) † 1992-07-29 1994-09-16 Rhone Poulenc Chimie Procédé de préparation de phosphates de terres rares et produits obtenus.
US5651920A (en) * 1996-09-20 1997-07-29 Osram Sylvania Inc. Small-sized lanthanum cerium terbium phosphate phosphors and method of making

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544483A (en) * 1968-03-27 1970-12-01 Sylvania Electric Prod Europium activated strontium magnesium orthophosphate phosphors
US4127415A (en) * 1977-03-02 1978-11-28 Gte Laboratories Incorporated Aluminum borophosphate glass compositions
US4423349A (en) * 1980-07-16 1983-12-27 Nichia Denshi Kagaku Co., Ltd. Green fluorescence-emitting material and a fluorescent lamp provided therewith
JPS57133182A (en) * 1981-02-12 1982-08-17 Toshiba Corp Fluorescent substance
JPS59179578A (ja) * 1983-03-30 1984-10-12 Hitachi Ltd 「けい」光体の製造方法

Also Published As

Publication number Publication date
US5106532A (en) 1992-04-21
JP2875058B2 (ja) 1999-03-24
DE69011671D1 (de) 1994-09-22
EP0456938B1 (de) 1994-08-17
JPH04227787A (ja) 1992-08-17
EP0456938A1 (de) 1991-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee