CA956498A - 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
CA956498A
CA956498A CA123,838A CA123838A CA956498A CA 956498 A CA956498 A CA 956498A CA 123838 A CA123838 A CA 123838A CA 956498 A CA956498 A CA 956498A
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
CA123,838A
Other languages
English (en)
Other versions
CA123838S (en
Inventor
Francis B. Strik
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 CA956498A publication Critical patent/CA956498A/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
    • 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
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2278—Application of light absorbing material, e.g. between the luminescent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
CA123,838A 1970-10-02 1971-09-28 Method of manufacturing a black surround luminescent screen for a colour television tube Expired CA956498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7014480A NL7014480A (xx) 1970-10-02 1970-10-02

Publications (1)

Publication Number Publication Date
CA956498A true CA956498A (en) 1974-10-22

Family

ID=19811208

Family Applications (1)

Application Number Title Priority Date Filing Date
CA123,838A Expired CA956498A (en) 1970-10-02 1971-09-28 Method of manufacturing a black surround luminescent screen for a colour television tube

Country Status (7)

Country Link
JP (1) JPS5237352B1 (xx)
BE (1) BE773389A (xx)
CA (1) CA956498A (xx)
DE (1) DE2145798C3 (xx)
FR (1) FR2110958A5 (xx)
GB (1) GB1331539A (xx)
NL (1) NL7014480A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5942358A (en) * 1995-08-04 1999-08-24 Sony Corporation Method of forming a fluorescent screen on a front panel of a cathode ray tube

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7510273A (nl) * 1975-09-01 1977-03-03 Philips Nv Werkwijze voor het vervaardigen van een kathode- straalbuis voor het weergeven van gekleurde beel- den en kathodestraalbuis vervaardigd volgens deze werkwijze.
US4273842A (en) * 1977-04-13 1981-06-16 Hitachi, Ltd. Process for forming patternwise coated powder layer
JPS53140268U (xx) * 1977-04-13 1978-11-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5942358A (en) * 1995-08-04 1999-08-24 Sony Corporation Method of forming a fluorescent screen on a front panel of a cathode ray tube

Also Published As

Publication number Publication date
FR2110958A5 (xx) 1972-06-02
DE2145798B2 (de) 1978-05-24
JPS5237352B1 (xx) 1977-09-21
DE2145798A1 (de) 1972-04-06
NL7014480A (xx) 1972-04-05
BE773389A (fr) 1972-03-30
DE2145798C3 (de) 1979-01-18
GB1331539A (en) 1973-09-26

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