GB2082618B - Synthetic willemite phosphors - Google Patents

Synthetic willemite phosphors

Info

Publication number
GB2082618B
GB2082618B GB8124220A GB8124220A GB2082618B GB 2082618 B GB2082618 B GB 2082618B GB 8124220 A GB8124220 A GB 8124220A GB 8124220 A GB8124220 A GB 8124220A GB 2082618 B GB2082618 B GB 2082618B
Authority
GB
United Kingdom
Prior art keywords
synthetic
phosphors
willemite phosphors
synthetic willemite
willemite
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
GB8124220A
Other versions
GB2082618A (en
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Priority to GB8124220A priority Critical patent/GB2082618B/en
Publication of GB2082618A publication Critical patent/GB2082618A/en
Application granted granted Critical
Publication of GB2082618B publication Critical patent/GB2082618B/en
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
    • H01J61/44—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
    • C09K11/02—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
    • C09K11/59—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
GB8124220A 1980-08-21 1981-08-07 Synthetic willemite phosphors Expired GB2082618B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8124220A GB2082618B (en) 1980-08-21 1981-08-07 Synthetic willemite phosphors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8027276 1980-08-21
GB8124220A GB2082618B (en) 1980-08-21 1981-08-07 Synthetic willemite phosphors

Publications (2)

Publication Number Publication Date
GB2082618A GB2082618A (en) 1982-03-10
GB2082618B true GB2082618B (en) 1984-02-08

Family

ID=26276648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8124220A Expired GB2082618B (en) 1980-08-21 1981-08-07 Synthetic willemite phosphors

Country Status (1)

Country Link
GB (1) GB2082618B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5170095A (en) * 1989-02-24 1992-12-08 Tungsram Reszvenytarsasag Low-pressure mercury vapor discharge light source of high wall loadability
EP0479298B1 (en) * 1990-10-02 1995-08-02 Nichia Kagaku Kogyo K.K. Phosphor composition, phosphor-coating composition, discharge lamp, and preparation method thereof
JP2784255B2 (en) * 1990-10-02 1998-08-06 日亜化学工業株式会社 Phosphor and discharge lamp using the same
JP3270073B2 (en) * 1991-08-13 2002-04-02 化成オプトニクス株式会社 Fluorescent lamp
US5643674A (en) * 1992-12-18 1997-07-01 E. I. Du Pont De Nemours And Company Luminescent materials prepared by coating luminescent compositions onto substrate particles
US5382452A (en) * 1992-12-18 1995-01-17 E. I. Du Pont De Nemours And Company Luminescent materials prepared by coating luminescent compositions onto substrate particles
US5518808A (en) * 1992-12-18 1996-05-21 E. I. Du Pont De Nemours And Company Luminescent materials prepared by coating luminescent compositions onto substrate particles
DE19901538A1 (en) * 1999-01-16 2000-07-27 Philips Corp Intellectual Pty Screen with fluorescent preparation containing metal oxide
EP2746360A1 (en) * 2012-12-24 2014-06-25 General Electric Company Method for making rare earth oxide coated phosphor

Also Published As

Publication number Publication date
GB2082618A (en) 1982-03-10

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930807