GB1227677A - - Google Patents

Info

Publication number
GB1227677A
GB1227677A GB1227677DA GB1227677A GB 1227677 A GB1227677 A GB 1227677A GB 1227677D A GB1227677D A GB 1227677DA GB 1227677 A GB1227677 A GB 1227677A
Authority
GB
United Kingdom
Prior art keywords
per cent
phosphors
emitting
blue
green
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
Other languages
English (en)
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 GB1227677A publication Critical patent/GB1227677A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/187—Luminescent screens screens with more than one luminescent material (as mixtures for the treatment of the screens)
    • 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
    • C09K11/0805—Chalcogenides
    • C09K11/0811—Chalcogenides with zinc or cadmium
    • 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
    • C09K11/7789—Oxysulfides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
GB1227677D 1968-08-09 1969-08-08 Expired GB1227677A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75158368A 1968-08-09 1968-08-09

Publications (1)

Publication Number Publication Date
GB1227677A true GB1227677A (fr) 1971-04-07

Family

ID=25022656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227677D Expired GB1227677A (fr) 1968-08-09 1969-08-08

Country Status (7)

Country Link
BE (1) BE733279A (fr)
BG (1) BG15052A3 (fr)
DE (1) DE1939007C3 (fr)
ES (1) ES370182A1 (fr)
FR (1) FR2015358A1 (fr)
GB (1) GB1227677A (fr)
NL (1) NL156179B (fr)

Also Published As

Publication number Publication date
DE1939007C3 (de) 1974-04-18
DE1939007B2 (de) 1973-09-27
FR2015358A1 (fr) 1970-04-24
ES370182A1 (es) 1971-04-01
NL156179B (nl) 1978-03-15
NL6912129A (fr) 1970-02-11
BE733279A (fr) 1969-11-03
DE1939007A1 (de) 1970-02-19
BG15052A3 (bg) 1975-03-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee