GB1343250A - Coated luminescent silicates - Google Patents

Coated luminescent silicates

Info

Publication number
GB1343250A
GB1343250A GB3077672A GB3077672A GB1343250A GB 1343250 A GB1343250 A GB 1343250A GB 3077672 A GB3077672 A GB 3077672A GB 3077672 A GB3077672 A GB 3077672A GB 1343250 A GB1343250 A GB 1343250A
Authority
GB
United Kingdom
Prior art keywords
phosphate
solution
alkaline earth
earth metal
aqueous
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
GB3077672A
Other languages
English (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.)
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 GB1343250A publication Critical patent/GB1343250A/en
Expired legal-status Critical Current

Links

Classifications

    • 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/59—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing silicon
    • 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/70—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing phosphorus
    • C09K11/71—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing phosphorus also containing alkaline earth metals
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
GB3077672A 1971-07-03 1972-06-30 Coated luminescent silicates Expired GB1343250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7109222A NL7109222A (https=) 1971-07-03 1971-07-03

Publications (1)

Publication Number Publication Date
GB1343250A true GB1343250A (en) 1974-01-10

Family

ID=19813546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3077672A Expired GB1343250A (en) 1971-07-03 1972-06-30 Coated luminescent silicates

Country Status (6)

Country Link
BE (1) BE785803A (https=)
CA (1) CA950956A (https=)
DE (1) DE2231068A1 (https=)
FR (1) FR2144744B1 (https=)
GB (1) GB1343250A (https=)
NL (1) NL7109222A (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585673A (en) * 1984-05-07 1986-04-29 Gte Laboratories Incorporated Method for coating phosphor particles
US4710674A (en) * 1984-05-07 1987-12-01 Gte Laboratories Incorporated Phosphor particle, fluorescent lamp, and manufacturing method
US4797594A (en) * 1985-04-03 1989-01-10 Gte Laboratories Incorporated Reprographic aperture lamps having improved maintenance
US4825124A (en) * 1984-05-07 1989-04-25 Gte Laboratories Incorporated Phosphor particle, fluorescent lamp, and manufacturing method
US5170095A (en) * 1989-02-24 1992-12-08 Tungsram Reszvenytarsasag Low-pressure mercury vapor discharge light source of high wall loadability
US5196234A (en) * 1986-08-29 1993-03-23 Gte Products Corporation Method for preparing zinc orthosilicate phosphor particle
EP0962514B1 (en) * 1998-06-04 2003-11-26 Osram Sylvania Inc. Cation-treated silicate phosphor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68905053T2 (de) * 1988-03-17 1993-09-30 Sumitomo Chemical Co Mit Phosphat überzogener elektrolumineszenter Phosphor für elektrolumineszenter Lampe und Verfahren zur Herstellung desselben.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585673A (en) * 1984-05-07 1986-04-29 Gte Laboratories Incorporated Method for coating phosphor particles
US4710674A (en) * 1984-05-07 1987-12-01 Gte Laboratories Incorporated Phosphor particle, fluorescent lamp, and manufacturing method
US4825124A (en) * 1984-05-07 1989-04-25 Gte Laboratories Incorporated Phosphor particle, fluorescent lamp, and manufacturing method
US4797594A (en) * 1985-04-03 1989-01-10 Gte Laboratories Incorporated Reprographic aperture lamps having improved maintenance
US5196234A (en) * 1986-08-29 1993-03-23 Gte Products Corporation Method for preparing zinc orthosilicate phosphor particle
US5170095A (en) * 1989-02-24 1992-12-08 Tungsram Reszvenytarsasag Low-pressure mercury vapor discharge light source of high wall loadability
EP0962514B1 (en) * 1998-06-04 2003-11-26 Osram Sylvania Inc. Cation-treated silicate phosphor

Also Published As

Publication number Publication date
FR2144744B1 (https=) 1977-08-26
FR2144744A1 (https=) 1973-02-16
BE785803A (fr) 1973-01-03
NL7109222A (https=) 1973-01-05
DE2231068A1 (de) 1973-01-11
CA950956A (en) 1974-07-09

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Legal Events

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