CA1145133A - Strontium-calcium fluorapatite phosphors - Google Patents

Strontium-calcium fluorapatite phosphors

Info

Publication number
CA1145133A
CA1145133A CA000354251A CA354251A CA1145133A CA 1145133 A CA1145133 A CA 1145133A CA 000354251 A CA000354251 A CA 000354251A CA 354251 A CA354251 A CA 354251A CA 1145133 A CA1145133 A CA 1145133A
Authority
CA
Canada
Prior art keywords
calcium
strontium
fluorapatite
formula
value
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
CA000354251A
Other languages
English (en)
French (fr)
Inventor
Charles F. Chenot
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 CA1145133A publication Critical patent/CA1145133A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material
    • 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
    • C09K11/75—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony
    • C09K11/76—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony also containing phosphorus and halogen, e.g. halophosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
CA000354251A 1979-06-22 1980-06-18 Strontium-calcium fluorapatite phosphors Expired CA1145133A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US051,307 1979-06-22
US06/051,307 US4266160A (en) 1979-06-22 1979-06-22 Strontium-calcium fluorapatite phosphors and fluorescent lamp containing the same

Publications (1)

Publication Number Publication Date
CA1145133A true CA1145133A (en) 1983-04-26

Family

ID=21970477

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000354251A Expired CA1145133A (en) 1979-06-22 1980-06-18 Strontium-calcium fluorapatite phosphors

Country Status (5)

Country Link
US (1) US4266160A (show.php)
EP (1) EP0030547A4 (show.php)
JP (1) JPH0124197B2 (show.php)
CA (1) CA1145133A (show.php)
WO (1) WO1981000030A1 (show.php)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306173A (en) * 1980-03-31 1981-12-15 Gte Laboratories Inc. Phosphor with extended fluorescence decay lifetime and lamp based thereon
CA1193088A (en) * 1982-04-30 1985-09-10 Romano G. Pappalardo Yellow emitting phosphors, process for producing same and a fluorescent lamp containing same
US4806824A (en) * 1986-04-04 1989-02-21 General Electric Company Fluorescent lamp using multi-layer phosphor coating
US5734669A (en) * 1995-02-06 1998-03-31 University Of Central Florida 1.3 μm lasers using Nd3+ doped apatite crystals
JP3837588B2 (ja) 2003-11-26 2006-10-25 独立行政法人物質・材料研究機構 蛍光体と蛍光体を用いた発光器具

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488733A (en) * 1942-06-17 1949-11-22 Gen Electric Alkaline earth halophosphate phosphors
US2999070A (en) * 1954-03-01 1961-09-05 Westinghouse Electric Corp Blue halophosphate phosphor
US3255373A (en) * 1957-09-18 1966-06-07 Westinghouse Electric Corp Halophosphate phosphor material of improved luminosity and maintenance characteristics for fluorescent lamps
US2965786A (en) * 1959-04-30 1960-12-20 Sylvania Electric Prod Calcium halophosphate phosphors
US3513103A (en) * 1967-12-12 1970-05-19 Sylvania Electric Prod Fluorescent phosphor
US3549552A (en) * 1969-01-27 1970-12-22 Westinghouse Electric Corp Calcium halophosphate "daylight" phosphor
US3816327A (en) * 1970-01-30 1974-06-11 Westinghouse Electric Corp Strontium halophosphate phosphor which incorporates a small amount ofcalcium
US3598751A (en) * 1970-02-09 1971-08-10 Mallinckrodt Chemical Works Process for preparing bivalent metal halophosphate compounds and products obtained thereby
DE2020136A1 (de) * 1970-04-24 1971-11-11 Mallinckrodt Chemical Works Aktivierte Halogenphosphate zweiwertiger Metalle
US3919109A (en) * 1974-05-13 1975-11-11 Gen Electric Process for preparing substituted halophosphate phosphors
US4075532A (en) * 1976-06-14 1978-02-21 General Electric Company Cool-white fluorescent lamp with phosphor having modified spectral energy distribution to improve luminosity thereof

Also Published As

Publication number Publication date
EP0030547A1 (en) 1981-06-24
WO1981000030A1 (en) 1981-01-08
JPS56500746A (show.php) 1981-06-04
EP0030547A4 (en) 1981-10-27
JPH0124197B2 (show.php) 1989-05-10
US4266160A (en) 1981-05-05

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Legal Events

Date Code Title Description
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