GB1482301A - Low pressure mercury vapour discharge lamp - Google Patents

Low pressure mercury vapour discharge lamp

Info

Publication number
GB1482301A
GB1482301A GB195/75A GB19575A GB1482301A GB 1482301 A GB1482301 A GB 1482301A GB 195/75 A GB195/75 A GB 195/75A GB 19575 A GB19575 A GB 19575A GB 1482301 A GB1482301 A GB 1482301A
Authority
GB
United Kingdom
Prior art keywords
activated
vanadates
alkali earth
emitter
low pressure
Prior art date
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
GB195/75A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1482301A publication Critical patent/GB1482301A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70—Microphotolithographic exposure; Apparatus therefor
    • G03F7/70008—Production of exposure light, i.e. light sources
    • G03F7/70016—Production of exposure light, i.e. light sources by discharge lamps
    • 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
    • C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
    • 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
    • H01J61/44—Devices characterised by the luminescent material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Luminescent Compositions (AREA)

Abstract

1482301 Fluorescent discharge lamps PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 3 Jan 1975 [8 Jan 1974] 195/75 Heading H1D [Also in Division C4] A low pressure Hg vapour discharge lamp giving good colour rendering and low activity towards photolithographic resists comprises a conventional glass tube 1 with end electrodes 2, 3, with inside the glass a first coating 5 absorbing U.V. and blue including at least 70% absorption of the 436 nm Hg line, while passing at least 70% of wavelengths of 480 nm upward, and superimposed inside the first coating a fluorescent layer 4 including a mixture of at least three phosphors, of which a first red emitter is activated by Eu<SP>+++</SP> and comprises vanadates, phospho-vanadates or phospho-broro-vanadates of Y, Gd, La, or oxysulphides or oxyhalides of Y or La or oxides of Y, Gd, La, Lu; a second green emitter activated by Tb, possibly with added Na, comprising alkali earth tungstate or Cl or Cl-Mg aluminate, e.g. Cl 0À70 Tb 0À30 Mg Al 11 O 19 ; and a third emitter comprising alkali earth disilicates activated by Eu<SP>++</SP> or alkali earth aluminates or Mg-Aluminates with hexagonal ferrite structure and activated by Eu<SP>++</SP> possibly with Mn<SP>++</SP>. The absorbing outer layer 5 may comprise known Ni titanate (TiO 2 , NiO plus Sb 2 O 5 ) or Mn activated Mg arsenate or germanate mixed with TiO 2 . White inert pigment, e.g. BaSO 4 may be added to control absorption.
GB195/75A 1974-01-08 1975-01-03 Low pressure mercury vapour discharge lamp Expired GB1482301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7400223A NL7400223A (en) 1974-01-08 1974-01-08 LOW-PRESSURE MERCURY DISCHARGE LAMP.

Publications (1)

Publication Number Publication Date
GB1482301A true GB1482301A (en) 1977-08-10

Family

ID=19820527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB195/75A Expired GB1482301A (en) 1974-01-08 1975-01-03 Low pressure mercury vapour discharge lamp

Country Status (8)

Country Link
JP (1) JPS50100875A (en)
BE (1) BE824131A (en)
CA (1) CA1040412A (en)
DE (1) DE2460813C2 (en)
FR (1) FR2257144B1 (en)
GB (1) GB1482301A (en)
IT (1) IT1028207B (en)
NL (1) NL7400223A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271117A (en) * 1992-10-02 1994-04-06 Mass Technology Low pressure mercury vapour lamp and luminescent materials therefor
EP1538659A2 (en) * 2003-06-11 2005-06-08 Fan, Szu Min Casing structure with yellow light passing surface and its manufacture method
EP1783818A2 (en) * 2005-11-08 2007-05-09 General Electric Company Fluorescent lamp with barrier layer containing pigment particles
EP2079097A1 (en) * 2007-12-17 2009-07-15 General Electric Company Colored Fluorescent Lamp

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604308A (en) * 1976-04-23 1977-10-25 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
NL182998C (en) * 1977-05-06 1988-06-16 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
DE102008017606A1 (en) * 2008-04-08 2009-10-15 Litec-Lll Gmbh Low-pressure gas discharge lamp for influencing the body's melatonin balance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL148443B (en) * 1964-12-10 1976-01-15 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
NL6717185A (en) * 1967-12-16 1969-06-18
BE749569A (en) * 1969-05-23 1970-10-27 Gen Electric LUMINESCENT ALKALINOTERROUS TUNGSTATE MATERIALS ACTIVATED BY TERBIUM

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271117A (en) * 1992-10-02 1994-04-06 Mass Technology Low pressure mercury vapour lamp and luminescent materials therefor
EP1538659A2 (en) * 2003-06-11 2005-06-08 Fan, Szu Min Casing structure with yellow light passing surface and its manufacture method
EP1538659A3 (en) * 2003-06-11 2005-06-29 Fan, Szu Min Casing structure with yellow light passing surface and its manufacture method
EP1783818A2 (en) * 2005-11-08 2007-05-09 General Electric Company Fluorescent lamp with barrier layer containing pigment particles
EP1783818A3 (en) * 2005-11-08 2008-02-13 General Electric Company Fluorescent lamp with barrier layer containing pigment particles
US7550910B2 (en) 2005-11-08 2009-06-23 General Electric Company Fluorescent lamp with barrier layer containing pigment particles
EP2079097A1 (en) * 2007-12-17 2009-07-15 General Electric Company Colored Fluorescent Lamp

Also Published As

Publication number Publication date
BE824131A (en) 1975-07-07
IT1028207B (en) 1979-01-30
DE2460813A1 (en) 1975-07-17
DE2460813C2 (en) 1984-11-29
CA1040412A (en) 1978-10-17
FR2257144B1 (en) 1978-11-03
FR2257144A1 (en) 1975-08-01
NL7400223A (en) 1975-07-10
JPS50100875A (en) 1975-08-09

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee