FR2046977B1 - - Google Patents

Info

Publication number
FR2046977B1
FR2046977B1 FR707022814A FR7022814A FR2046977B1 FR 2046977 B1 FR2046977 B1 FR 2046977B1 FR 707022814 A FR707022814 A FR 707022814A FR 7022814 A FR7022814 A FR 7022814A FR 2046977 B1 FR2046977 B1 FR 2046977B1
Authority
FR
France
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
FR707022814A
Other versions
FR2046977A1 (fr
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.)
CBS Corp
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 FR2046977A1 publication Critical patent/FR2046977A1/fr
Application granted granted Critical
Publication of FR2046977B1 publication Critical patent/FR2046977B1/fr
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
    • H01J61/48—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
FR707022814A 1969-06-20 1970-06-19 Expired FR2046977B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2046977A1 FR2046977A1 (fr) 1971-03-12
FR2046977B1 true FR2046977B1 (fr) 1973-01-12

Family

ID=25268506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707022814A Expired FR2046977B1 (fr) 1969-06-20 1970-06-19

Country Status (5)

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

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
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
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
JP3773541B2 (ja) 1996-06-26 2006-05-10 シーメンス アクチエンゲゼルシヤフト ルミネセンス変換エレメントを有する半導体発光素子
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
US9142397B2 (en) 2011-10-25 2015-09-22 General Electric Company High color rendering index fluorescent lamp with multi-layer phosphor coating
US8461753B2 (en) * 2011-10-25 2013-06-11 General Electric Company Fluorescent lamp with multi-layer phosphor coating

Also Published As

Publication number Publication date
BE751930A (fr) 1970-11-16
FR2046977A1 (fr) 1971-03-12
NL7008973A (fr) 1970-12-22
DE2029303A1 (fr) 1970-12-23
US3602758A (en) 1971-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse