IT946662B - Lampada perfezionata a vapori di mercurio ad alta pressione a co lore corretto - Google Patents

Lampada perfezionata a vapori di mercurio ad alta pressione a co lore corretto

Info

Publication number
IT946662B
IT946662B IT19481/72A IT1948172A IT946662B IT 946662 B IT946662 B IT 946662B IT 19481/72 A IT19481/72 A IT 19481/72A IT 1948172 A IT1948172 A IT 1948172A IT 946662 B IT946662 B IT 946662B
Authority
IT
Italy
Prior art keywords
lore
perfected
correct
high pressure
pressure mercury
Prior art date
Application number
IT19481/72A
Other languages
English (en)
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT946662B publication Critical patent/IT946662B/it

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
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7795—Phosphates
    • 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
    • C09K11/70—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus
    • C09K11/71—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus also containing alkaline earth metals
    • 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
    • C09K11/7737—Phosphates
    • C09K11/7738—Phosphates with alkaline earth metals
    • C09K11/7739—Phosphates with alkaline earth metals with halogens
    • 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
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7794—Vanadates; Chromates; Molybdates; Tungstates
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Luminescent Compositions (AREA)
IT19481/72A 1971-01-26 1972-01-18 Lampada perfezionata a vapori di mercurio ad alta pressione a co lore corretto IT946662B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10980271A 1971-01-26 1971-01-26

Publications (1)

Publication Number Publication Date
IT946662B true IT946662B (it) 1973-05-21

Family

ID=22329644

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19481/72A IT946662B (it) 1971-01-26 1972-01-18 Lampada perfezionata a vapori di mercurio ad alta pressione a co lore corretto

Country Status (12)

Country Link
US (1) US3670194A (it)
JP (1) JPS5528181B1 (it)
BE (1) BE778439A (it)
CA (1) CA932376A (it)
DE (1) DE2202521C2 (it)
ES (1) ES399005A1 (it)
FR (1) FR2123396B1 (it)
GB (1) GB1366940A (it)
IT (1) IT946662B (it)
MY (1) MY7500080A (it)
NL (1) NL7201076A (it)
PH (1) PH9633A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866083A (en) * 1971-03-03 1975-02-11 Gen Electric Color rendition of high pressure mercury vapor lamp
US3992646A (en) * 1972-08-04 1976-11-16 Westinghouse Electric Corporation Plant growth type fluorescent lamp
NL166975C (nl) * 1973-10-22 1981-10-15 Hitachi Ltd Lichtemitterend apparaat.
US4171501A (en) * 1973-10-22 1979-10-16 Hitachi, Ltd. Light emitting devices based on the excitation of phosphor screens
JPS5241484A (en) * 1975-09-25 1977-03-31 Gen Electric Fluorescent lamp structure using two kinds of phospher
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
US4426600A (en) 1977-09-06 1984-01-17 Gte Products Corporation Standard white fluorescent lamps employing blend
US4458176A (en) * 1977-09-06 1984-07-03 Gte Products Corporation Daylight fluorescent lamps employing blend
JPS5919412B2 (ja) * 1978-01-30 1984-05-07 三菱電機株式会社 けい光ランプ
WO1980001436A1 (en) * 1978-12-28 1980-07-10 Mitsubishi Electric Corp Metal-vapor discharge lamp
US4258285A (en) * 1979-06-22 1981-03-24 Gte Products Corporation Two-component phosphor in a cool white lamp
US4266161A (en) * 1979-06-22 1981-05-05 Gte Products Corporation Cool white lamp using a two-component phosphor
US4305019A (en) * 1979-12-31 1981-12-08 Westinghouse Electric Corp. Warm-white fluorescent lamp having good efficacy and color rendering and using special phosphor blend as separate undercoat
DE8010444U1 (de) * 1980-04-16 1981-01-15 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen Quecksilberdampf-hochdruckentladungslampe mit aussenkolben
US4341978A (en) * 1980-06-12 1982-07-27 Westinghouse Electric Corp. High-intensity-discharge lamp with improved color rendition of illuminated objects
US4431942A (en) * 1981-11-04 1984-02-14 North American Philips Electric Corp. Color-corrected hid mercury-vapor lamp having good color rendering and a desirable emission color
US4698548A (en) * 1985-10-15 1987-10-06 Gte Products Corporation Lamp incorporating phosphor blend of calcium fluorophosphate and strontium halophosphate
US5250365A (en) * 1990-12-17 1993-10-05 E. I. Du Pont De Nemours And Company X-ray intensifying screens with mixed morphology phosphors
US6906475B2 (en) * 2000-07-07 2005-06-14 Matsushita Electric Industrial Co., Ltd. Fluorescent lamp and high intensity discharge lamp with improved luminous efficiency
CN1791702A (zh) * 2003-05-15 2006-06-21 奥斯兰姆施尔凡尼亚公司 通过化学气相沉积封装磷光体的方法
WO2004105070A2 (en) * 2003-05-15 2004-12-02 Osram Sylvania Inc. Vuv-excited device with blue-emitting phosphor
US7535176B2 (en) * 2003-05-15 2009-05-19 Osram Sylvania Inc. VUV-excited device with blue-emitting phosphor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748303A (en) * 1949-11-10 1956-05-29 Westinghouse Electric Corp Color-corrected light source and phosphors therefor
DE975254C (de) * 1952-05-22 1961-10-19 Patra Patent Treuhand Leuchtstoffgemisch, insbesondere fuer eine im Strahlengang einer Hochdruckquecksilberdampfentladungslampe angeordnete Leuchtstoffschicht
US3328620A (en) * 1959-05-04 1967-06-27 Westinghouse Electric Corp Copper activated strontium phosphate phosphors
US3569762A (en) * 1964-07-01 1971-03-09 Gen Telephone & Elect Electron discharge lamps with rare earth phosphor coating
NL149631B (nl) * 1965-02-13 1976-05-17 Philips Nv Luminescerend scherm en hogedrukkwikdampontladingslamp, voorzien van dit scherm.
US3483415A (en) * 1966-01-10 1969-12-09 Dainippon Toryo Kk Vanadate fluorescent material
US3513103A (en) * 1967-12-12 1970-05-19 Sylvania Electric Prod Fluorescent phosphor
US4038204A (en) * 1968-05-03 1977-07-26 Westinghouse Electric Corporation Alkaline-earth metal halophosphate luminescent composition activated by divalent europium and method of preparing same

Also Published As

Publication number Publication date
ES399005A1 (es) 1974-11-01
GB1366940A (en) 1974-09-18
DE2202521A1 (de) 1972-08-17
FR2123396A1 (it) 1972-09-08
CA932376A (en) 1973-08-21
NL7201076A (it) 1972-07-28
BE778439A (fr) 1972-07-25
US3670194A (en) 1972-06-13
JPS5528181B1 (it) 1980-07-25
FR2123396B1 (it) 1978-03-03
PH9633A (en) 1976-01-20
DE2202521C2 (de) 1983-11-03
MY7500080A (en) 1975-12-31

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