BE776432A - IMPROVEMENT OF OR RELATING TO WHITE LIGHT LIGHTING DEVICES ALLOWING A GOOD RENDERING OF THE COLORS OF ILLUMINATED OBJECTS. - Google Patents

IMPROVEMENT OF OR RELATING TO WHITE LIGHT LIGHTING DEVICES ALLOWING A GOOD RENDERING OF THE COLORS OF ILLUMINATED OBJECTS.

Info

Publication number
BE776432A
BE776432A BE776432A BE776432A BE776432A BE 776432 A BE776432 A BE 776432A BE 776432 A BE776432 A BE 776432A BE 776432 A BE776432 A BE 776432A BE 776432 A BE776432 A BE 776432A
Authority
BE
Belgium
Prior art keywords
colors
relating
improvement
white light
lighting devices
Prior art date
Application number
BE776432A
Other languages
French (fr)
Inventor
W A Thornton
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 BE776432A publication Critical patent/BE776432A/en

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
    • C09K11/66—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing germanium, tin or lead
    • C09K11/666—Aluminates; Silicates
    • 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
    • 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

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)
BE776432A 1970-12-10 1971-12-09 IMPROVEMENT OF OR RELATING TO WHITE LIGHT LIGHTING DEVICES ALLOWING A GOOD RENDERING OF THE COLORS OF ILLUMINATED OBJECTS. BE776432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9674470A 1970-12-10 1970-12-10

Publications (1)

Publication Number Publication Date
BE776432A true BE776432A (en) 1972-06-09

Family

ID=22258879

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776432A BE776432A (en) 1970-12-10 1971-12-09 IMPROVEMENT OF OR RELATING TO WHITE LIGHT LIGHTING DEVICES ALLOWING A GOOD RENDERING OF THE COLORS OF ILLUMINATED OBJECTS.

Country Status (4)

Country Link
BE (1) BE776432A (en)
DE (1) DE2128065C2 (en)
FR (1) FR2117581A5 (en)
NL (1) NL7109983A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379160A1 (en) * 1977-01-28 1978-08-25 Gen Electric PERFECTED FLUORESCENT LAMP
DE3431692A1 (en) * 1984-08-29 1986-03-06 Friedrich 7800 Freiburg Wolff FLUORESCENT LAMP
EP1009017A3 (en) * 1998-12-07 2001-04-04 Matsushita Electric Industrial Co., Ltd. Fluorescent lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1589379A1 (en) * 1966-12-26 1970-05-14 Tokyo Shibaura Electric Co Fluorescent discharge lamp, in particular an improved fluorescent discharge lamp, for illuminating objects that are intended for color photography

Also Published As

Publication number Publication date
FR2117581A5 (en) 1972-07-21
NL7109983A (en) 1972-06-13
DE2128065A1 (en) 1972-06-22
DE2128065C2 (en) 1983-08-18

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: NORTH AMERICAN PHILIPS LIGHTING CORP.

Effective date: 19911209