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CA956497A - Method of manufacturing a black surround luminescent screen for a colour television tube - Google Patents

Method of manufacturing a black surround luminescent screen for a colour television tube

Info

Publication number
CA956497A
CA956497A CA123,836A CA123836A CA956497A CA 956497 A CA956497 A CA 956497A CA 123836 A CA123836 A CA 123836A CA 956497 A CA956497 A CA 956497A
Authority
CA
Canada
Prior art keywords
manufacturing
luminescent screen
black surround
colour television
television tube
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
CA123,836A
Inventor
Jacobus C. Gravesteijn
Gerardus A.W. Vermeulen
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA956497A publication Critical patent/CA956497A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
CA123,836A 1970-10-02 1971-09-28 Method of manufacturing a black surround luminescent screen for a colour television tube Expired CA956497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7014481A NL7014481A (en) 1970-10-02 1970-10-02

Publications (1)

Publication Number Publication Date
CA956497A true CA956497A (en) 1974-10-22

Family

ID=19811209

Family Applications (1)

Application Number Title Priority Date Filing Date
CA123,836A Expired CA956497A (en) 1970-10-02 1971-09-28 Method of manufacturing a black surround luminescent screen for a colour television tube

Country Status (6)

Country Link
BE (1) BE773390A (en)
CA (1) CA956497A (en)
DE (1) DE2145799A1 (en)
FR (1) FR2110959A5 (en)
GB (1) GB1334446A (en)
NL (1) NL7014481A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2731126A1 (en) * 1977-07-09 1979-01-25 Licentia Gmbh METHOD FOR PRODUCING A LUMINAIRE

Also Published As

Publication number Publication date
FR2110959A5 (en) 1972-06-02
NL7014481A (en) 1972-04-05
BE773390A (en) 1972-03-30
GB1334446A (en) 1973-10-17
DE2145799A1 (en) 1972-04-06

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