NL7008975A - - Google Patents

Info

Publication number
NL7008975A
NL7008975A NL7008975A NL7008975A NL7008975A NL 7008975 A NL7008975 A NL 7008975A NL 7008975 A NL7008975 A NL 7008975A NL 7008975 A NL7008975 A NL 7008975A NL 7008975 A NL7008975 A NL 7008975A
Authority
NL
Netherlands
Application number
NL7008975A
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 filed Critical
Publication of NL7008975A publication Critical patent/NL7008975A/xx

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
    • H01J61/48—Separate coatings of different luminous materials
    • 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
    • C09K11/66—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing germanium, tin or lead
    • 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
    • C09K11/7784—Chalcogenides
    • C09K11/7787—Oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
NL7008975A 1969-06-20 1970-06-18 NL7008975A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83500669A 1969-06-20 1969-06-20

Publications (1)

Publication Number Publication Date
NL7008975A true NL7008975A (enrdf_load_stackoverflow) 1970-12-22

Family

ID=25268334

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7008975A NL7008975A (enrdf_load_stackoverflow) 1969-06-20 1970-06-18

Country Status (4)

Country Link
US (1) US3602757A (enrdf_load_stackoverflow)
BE (1) BE752300A (enrdf_load_stackoverflow)
DE (1) DE2029302A1 (enrdf_load_stackoverflow)
NL (1) NL7008975A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858082A (en) * 1970-12-10 1974-12-31 Westinghouse Electric Corp Warm white lamp with normal output and improved color rendition
US3707641A (en) * 1970-12-22 1972-12-26 Westinghouse Electric Corp Discharge device which utilizes a mixture of two fluorescent materials
JPS5241484A (en) * 1975-09-25 1977-03-31 Gen Electric Fluorescent lamp structure using two kinds of phospher
US4070598A (en) * 1976-11-08 1978-01-24 General Electric Company Fluorescent lamp with second phosphor layer
FR2379161A2 (fr) * 1977-01-28 1978-08-25 Gen Electric Lampe fuorescente
US4431941A (en) * 1979-06-11 1984-02-14 Gte Products Corporation Fluorescent lamp having double phosphor layer
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
JPS56143654A (en) * 1980-04-08 1981-11-09 Toshiba Corp Fluorescent lamp
US4678966A (en) * 1980-06-13 1987-07-07 Gte Products Corporation Fluorescent lamp having two phosphor layers
US4914346A (en) * 1983-03-04 1990-04-03 Gte Products Corporation Lamp envelope having a luminescent material on the interior surface thereof, method of applying said material, and material to be applied
US6906475B2 (en) * 2000-07-07 2005-06-14 Matsushita Electric Industrial Co., Ltd. Fluorescent lamp and high intensity discharge lamp with improved luminous efficiency
AU2001284781A1 (en) * 2000-08-10 2002-02-25 Osram Sylvania Inc. Display device having reduced color shift during life

Also Published As

Publication number Publication date
DE2029302A1 (enrdf_load_stackoverflow) 1970-12-23
BE752300A (fr) 1970-12-01
US3602757A (en) 1971-08-31

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