GB2230379B - Luminescent composition for a low-pressure mercury vapour discharge lamp - Google Patents

Luminescent composition for a low-pressure mercury vapour discharge lamp

Info

Publication number
GB2230379B
GB2230379B GB9004093A GB9004093A GB2230379B GB 2230379 B GB2230379 B GB 2230379B GB 9004093 A GB9004093 A GB 9004093A GB 9004093 A GB9004093 A GB 9004093A GB 2230379 B GB2230379 B GB 2230379B
Authority
GB
United Kingdom
Prior art keywords
low
discharge lamp
pressure mercury
mercury vapour
luminescent composition
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 - Fee Related
Application number
GB9004093A
Other languages
English (en)
Other versions
GB9004093D0 (en
GB2230379A (en
Inventor
Gyoergy Bardos
Istvanne Cserteg
Bela Rimay
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.)
Tungsram Rt
Original Assignee
Tungsram Rt
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 Tungsram Rt filed Critical Tungsram Rt
Publication of GB9004093D0 publication Critical patent/GB9004093D0/en
Publication of GB2230379A publication Critical patent/GB2230379A/en
Application granted granted Critical
Publication of GB2230379B publication Critical patent/GB2230379B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J61/46—Devices characterised by the binder or other non-luminescent constituent of the luminescent material, e.g. for obtaining desired pouring or drying properties
    • 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
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • 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
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/7737—Phosphates
    • C09K11/7738—Phosphates with alkaline earth metals
    • C09K11/7739—Phosphates with alkaline earth metals with halogens

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Luminescent Compositions (AREA)
GB9004093A 1989-02-24 1990-02-23 Luminescent composition for a low-pressure mercury vapour discharge lamp Expired - Fee Related GB2230379B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU89877A HU202333B (en) 1989-02-24 1989-02-24 Low-pressure mercury vapour discharge source of light in first of all electric discharge lamp with a luminescent layer having inactive ingredient and a luminescent composition for mercury vapour discharge source of light

Publications (3)

Publication Number Publication Date
GB9004093D0 GB9004093D0 (en) 1990-04-18
GB2230379A GB2230379A (en) 1990-10-17
GB2230379B true GB2230379B (en) 1994-01-19

Family

ID=10951840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9004093A Expired - Fee Related GB2230379B (en) 1989-02-24 1990-02-23 Luminescent composition for a low-pressure mercury vapour discharge lamp

Country Status (5)

Country Link
JP (1) JPH02289677A (enrdf_load_stackoverflow)
DE (1) DE4003406A1 (enrdf_load_stackoverflow)
GB (1) GB2230379B (enrdf_load_stackoverflow)
HU (1) HU202333B (enrdf_load_stackoverflow)
NL (1) NL9000435A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2653576B2 (ja) * 1990-08-31 1997-09-17 株式会社東芝 低圧水銀蒸気放電ランプ
RU2192688C2 (ru) * 2000-10-20 2002-11-10 Закрытое акционерное общество Научно-производственное объединение "Лаборатория импульсной техники" Газоразрядная ртутная лампа низкого давления

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1229038A (enrdf_load_stackoverflow) * 1967-09-21 1971-04-21
GB1505628A (en) * 1975-10-17 1978-03-30 Philips Ltd Making low-pressure mercury vapour discharge lamps
JPS5419579A (en) * 1977-07-13 1979-02-14 Hitachi Ltd Method of treating surface of fluorescent material
US4289991A (en) * 1974-11-25 1981-09-15 Gte Products Corporation Fluorescent lamp with a low reflectivity protective film of aluminum oxide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1229038A (enrdf_load_stackoverflow) * 1967-09-21 1971-04-21
US4289991A (en) * 1974-11-25 1981-09-15 Gte Products Corporation Fluorescent lamp with a low reflectivity protective film of aluminum oxide
GB1505628A (en) * 1975-10-17 1978-03-30 Philips Ltd Making low-pressure mercury vapour discharge lamps
JPS5419579A (en) * 1977-07-13 1979-02-14 Hitachi Ltd Method of treating surface of fluorescent material

Also Published As

Publication number Publication date
HUT53244A (enrdf_load_stackoverflow) 1990-09-28
HU202333B (en) 1991-02-28
NL9000435A (nl) 1990-09-17
GB9004093D0 (en) 1990-04-18
JPH02289677A (ja) 1990-11-29
DE4003406A1 (de) 1990-09-13
GB2230379A (en) 1990-10-17

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Legal Events

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

Effective date: 19950223