CA1018580A - Television picture tube with uncoated faceplate regions - Google Patents

Television picture tube with uncoated faceplate regions

Info

Publication number
CA1018580A
CA1018580A CA205,738A CA205738A CA1018580A CA 1018580 A CA1018580 A CA 1018580A CA 205738 A CA205738 A CA 205738A CA 1018580 A CA1018580 A CA 1018580A
Authority
CA
Canada
Prior art keywords
regions
picture tube
television picture
faceplate
uncoated
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
CA205,738A
Other languages
English (en)
Other versions
CA205738S (en
Inventor
Roelof E. Schuil
Constant J.M. Geenen
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 CA1018580A publication Critical patent/CA1018580A/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
    • H01J9/2278—Application of light absorbing material, e.g. between the luminescent areas
    • 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
    • H01J29/28—Luminescent screens with protective, conductive or reflective layers
    • 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
    • H01J9/221—Applying luminescent coatings in continuous layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
CA205,738A 1973-08-03 1974-07-26 Television picture tube with uncoated faceplate regions Expired CA1018580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7310738A NL7310738A (nl) 1973-08-03 1973-08-03 Kathodestraalbuis voor het weergeven van ge- kleurde beelden.

Publications (1)

Publication Number Publication Date
CA1018580A true CA1018580A (en) 1977-10-04

Family

ID=19819365

Family Applications (1)

Application Number Title Priority Date Filing Date
CA205,738A Expired CA1018580A (en) 1973-08-03 1974-07-26 Television picture tube with uncoated faceplate regions

Country Status (9)

Country Link
JP (1) JPS5750021B2 (fr)
BE (1) BE818399A (fr)
CA (1) CA1018580A (fr)
DE (1) DE2435473A1 (fr)
ES (1) ES428848A1 (fr)
FR (1) FR2239762B1 (fr)
GB (1) GB1476688A (fr)
IT (1) IT1016743B (fr)
NL (1) NL7310738A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190830U (fr) * 1985-05-21 1986-11-27

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713985B2 (fr) * 1971-08-27 1982-03-20

Also Published As

Publication number Publication date
FR2239762A1 (fr) 1975-02-28
ES428848A1 (es) 1976-09-01
GB1476688A (en) 1977-06-16
DE2435473A1 (de) 1975-02-13
NL7310738A (nl) 1975-02-05
IT1016743B (it) 1977-06-20
FR2239762B1 (fr) 1977-10-14
JPS5750021B2 (fr) 1982-10-25
JPS5046072A (fr) 1975-04-24
BE818399A (fr) 1975-02-03

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