BE751930A - Lampes a melange fluorescent permettant de reduire la dose de matieres fluorescentes couteuses - Google Patents

Lampes a melange fluorescent permettant de reduire la dose de matieres fluorescentes couteuses

Info

Publication number
BE751930A
BE751930A BE751930DA BE751930A BE 751930 A BE751930 A BE 751930A BE 751930D A BE751930D A BE 751930DA BE 751930 A BE751930 A BE 751930A
Authority
BE
Belgium
Prior art keywords
fluorescent
dose
reduce
cutting
allowing
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
W A Thornton
J W Sausville
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
Publication of BE751930A publication Critical patent/BE751930A/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
    • C09K11/59—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing silicon
    • 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
    • C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/68—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals containing chromium, molybdenum or tungsten
    • 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
    • C09K11/7783—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
    • 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)
BE751930D 1969-06-20 1970-06-12 Lampes a melange fluorescent permettant de reduire la dose de matieres fluorescentes couteuses BE751930A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83507669A 1969-06-20 1969-06-20

Publications (1)

Publication Number Publication Date
BE751930A true BE751930A (fr) 1970-11-16

Family

ID=25268506

Family Applications (1)

Application Number Title Priority Date Filing Date
BE751930D BE751930A (fr) 1969-06-20 1970-06-12 Lampes a melange fluorescent permettant de reduire la dose de matieres fluorescentes couteuses

Country Status (5)

Country Link
US (1) US3602758A (xx)
BE (1) BE751930A (xx)
DE (1) DE2029303A1 (xx)
FR (1) FR2046977B1 (xx)
NL (1) NL7008973A (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707641A (en) * 1970-12-22 1972-12-26 Westinghouse Electric Corp Discharge device which utilizes a mixture of two fluorescent materials
BE788540R (fr) * 1971-09-10 1973-03-08 Westinghouse Electric Corp Lampes
US4088923A (en) * 1974-03-15 1978-05-09 U.S. Philips Corporation Fluorescent lamp with superimposed luminescent layers
JPS5241484A (en) * 1975-09-25 1977-03-31 Gen Electric Fluorescent lamp structure using two kinds of phospher
US4001628A (en) * 1976-02-25 1977-01-04 Westinghouse Electric Corporation Low-pressure fluorescent discharge device which utilizes both inorganic and organic phosphors
US4039889A (en) * 1976-02-25 1977-08-02 General Electric Company Blue-white glow lamp
FR2379160A1 (fr) * 1977-01-28 1978-08-25 Gen Electric Lampe fluorescente perfectionnee
US4431941A (en) * 1979-06-11 1984-02-14 Gte Products Corporation Fluorescent lamp having double phosphor layer
US4263530A (en) * 1979-07-17 1981-04-21 Westinghouse Electric Corp. Warm white fluorescent lamp having good efficacy and color rendering
US4315192A (en) * 1979-12-31 1982-02-09 Westinghouse Electric Corp. Fluorescent lamp using high performance phosphor blend which is protected from color shifts by a very thin overcoat of stable phosphor of similar chromaticity
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
US4315193A (en) * 1980-03-18 1982-02-09 Westinghouse Electric Corp. High-pressure mercury-vapor lamp which has both improved color rendition and light output
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
US6153971A (en) * 1995-09-21 2000-11-28 Matsushita Electric Industrial Co., Ltd. Light source with only two major light emitting bands
KR100537349B1 (ko) 1996-06-26 2006-02-28 오스람 게젤샤프트 미트 베쉬랭크터 하프퉁 발광 변환 소자를 포함하는 발광 반도체 소자
DE19638667C2 (de) 1996-09-20 2001-05-17 Osram Opto Semiconductors Gmbh Mischfarbiges Licht abstrahlendes Halbleiterbauelement mit Lumineszenzkonversionselement
US6841939B2 (en) * 2002-04-08 2005-01-11 General Electric Company Fluorescent lamp
KR100691143B1 (ko) * 2003-04-30 2007-03-09 삼성전기주식회사 다층 형광층을 가진 발광 다이오드 소자
US8461753B2 (en) * 2011-10-25 2013-06-11 General Electric Company Fluorescent lamp with multi-layer phosphor coating
US9142397B2 (en) 2011-10-25 2015-09-22 General Electric Company High color rendering index fluorescent lamp with multi-layer phosphor coating

Also Published As

Publication number Publication date
US3602758A (en) 1971-08-31
NL7008973A (xx) 1970-12-22
FR2046977A1 (xx) 1971-03-12
FR2046977B1 (xx) 1973-01-12
DE2029303A1 (xx) 1970-12-23

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