BE813888A - Sous-couche pour matiere phosphorescente de lampes reprographiques a reflecteurs de bioxyde de titane - Google Patents

Sous-couche pour matiere phosphorescente de lampes reprographiques a reflecteurs de bioxyde de titane

Info

Publication number
BE813888A
BE813888A BE143350A BE143350A BE813888A BE 813888 A BE813888 A BE 813888A BE 143350 A BE143350 A BE 143350A BE 143350 A BE143350 A BE 143350A BE 813888 A BE813888 A BE 813888A
Authority
BE
Belgium
Prior art keywords
undercoat
reflectors
phosphorescent material
reprographic
lamps
Prior art date
Application number
BE143350A
Other languages
English (en)
French (fr)
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 BE813888A publication Critical patent/BE813888A/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
    • H01J61/44—Devices characterised by the luminescent material
    • 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
    • H01J61/46—Devices characterised by the binder or other non-luminescent constituent of the luminescent material, e.g. for obtaining desired pouring or drying properties
BE143350A 1973-04-18 1974-04-18 Sous-couche pour matiere phosphorescente de lampes reprographiques a reflecteurs de bioxyde de titane BE813888A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US352252A US3875455A (en) 1973-04-18 1973-04-18 Undercoat for phosphor in reprographic lamps having titanium dioxide reflectors

Publications (1)

Publication Number Publication Date
BE813888A true BE813888A (fr) 1974-08-16

Family

ID=23384380

Family Applications (1)

Application Number Title Priority Date Filing Date
BE143350A BE813888A (fr) 1973-04-18 1974-04-18 Sous-couche pour matiere phosphorescente de lampes reprographiques a reflecteurs de bioxyde de titane

Country Status (4)

Country Link
US (1) US3875455A (de)
JP (1) JPS5048771A (de)
BE (1) BE813888A (de)
DE (1) DE2418131C3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992645A (en) * 1975-07-02 1976-11-16 General Electric Company Magnesium aluminate gallate phosphors and reprographic lamp containing same
US4061946A (en) * 1975-10-06 1977-12-06 Gte Sylvania Incorporated Fluorescent lamp having zero back brightness
US3995191A (en) * 1975-12-05 1976-11-30 General Electric Company Reprographic fluorescent lamp having improved reflector layer
US3995192A (en) * 1975-12-05 1976-11-30 General Electric Company Reprographic fluorescent lamp with improved reflector layer
US4020385A (en) * 1976-08-09 1977-04-26 Gte Sylvania Incorporated Fluorescent lamp having conductive film and protective film therefor
NL8303798A (nl) * 1983-01-13 1984-08-01 Philips Nv Lagedrukkwikdampontladingslamp.
KR920010666B1 (ko) * 1989-06-13 1992-12-12 미쯔비시 덴끼 가부시기가이샤 저압희가스방전램프
US5552665A (en) * 1994-12-29 1996-09-03 Philips Electronics North America Corporation Electric lamp having an undercoat for increasing the light output of a luminescent layer
US6919679B2 (en) * 2001-12-14 2005-07-19 Koninklijke Philips Electronics N.V. Contaminant getter on UV reflective base coat in fluorescent lamps
EP1576644A1 (de) * 2002-12-18 2005-09-21 Koninklijke Philips Electronics N.V. Getter auf uv-reflektierender schicht einer leuchtstofflampe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE550603A (de) * 1955-08-26
US3225241A (en) * 1959-07-09 1965-12-21 Sylvania Electric Prod Aperture fluorescent lamp
US3275872A (en) * 1963-07-12 1966-09-27 Gen Electric Reflector fluorescent lamp
US3541376A (en) * 1968-11-13 1970-11-17 Sylvania Electric Prod Fluorescent lamp with filter coating of a mixture of tio2 and sb2o3
US3717781A (en) * 1969-09-19 1973-02-20 Sylvania Electric Prod Aperture fluorescent lamp having uniform surface brightness
US3599029A (en) * 1969-10-31 1971-08-10 Gen Electric Fluorescent lamp envelope with transparent protective coating

Also Published As

Publication number Publication date
DE2418131A1 (de) 1974-11-14
US3875455A (en) 1975-04-01
DE2418131B2 (de) 1978-11-23
JPS5048771A (de) 1975-05-01
DE2418131C3 (de) 1979-07-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GENERAL ELECTRIC CY

Effective date: 19890430