GB1331677A - Colour television tubes - Google Patents

Colour television tubes

Info

Publication number
GB1331677A
GB1331677A GB3872771A GB3872771A GB1331677A GB 1331677 A GB1331677 A GB 1331677A GB 3872771 A GB3872771 A GB 3872771A GB 3872771 A GB3872771 A GB 3872771A GB 1331677 A GB1331677 A GB 1331677A
Authority
GB
United Kingdom
Prior art keywords
layer
opaque material
coating
pva
cathode ray
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
GB3872771A
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1331677A publication Critical patent/GB1331677A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB3872771A 1971-06-18 1971-08-18 Colour television tubes Expired GB1331677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15440871A 1971-06-18 1971-06-18

Publications (1)

Publication Number Publication Date
GB1331677A true GB1331677A (en) 1973-09-26

Family

ID=22551244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3872771A Expired GB1331677A (en) 1971-06-18 1971-08-18 Colour television tubes

Country Status (4)

Country Link
JP (1) JPS5143749B1 (enrdf_load_stackoverflow)
AT (1) AT310266B (enrdf_load_stackoverflow)
DE (1) DE2141592A1 (enrdf_load_stackoverflow)
GB (1) GB1331677A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277831A (en) * 1993-05-03 1994-11-09 Philips Electronics Nv Reducing scattered light in projection television tubes

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7406378A (nl) * 1974-05-13 1975-11-17 Philips Nv Werkwijze voor het vervaardigen van een scha- duwmaskerbuis voor het weergeven van gekleurde beelden en buis vervaardigd volgens deze werk- wijze.
JPS5316750U (enrdf_load_stackoverflow) * 1976-07-23 1978-02-13
DE2903735A1 (de) * 1979-02-01 1980-08-07 Standard Elektrik Lorenz Ag Verfahren zum aufbringen einer schicht in kathodenstrahlroehren
DE19619972C1 (de) * 1996-05-17 1997-10-23 Daimler Benz Ag Kathodenstrahlröhre mit elektrisch leitender Randschicht sowie Verfahren zur Herstellung der Kathodenstrahlröhre

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277831A (en) * 1993-05-03 1994-11-09 Philips Electronics Nv Reducing scattered light in projection television tubes
GB2277831B (en) * 1993-05-03 1996-12-11 Philips Electronics Nv Reducing scattered light in projection television tubes

Also Published As

Publication number Publication date
AU4243772A (en) 1973-11-22
DE2141592A1 (de) 1972-12-21
AT310266B (de) 1973-09-25
JPS5143749B1 (enrdf_load_stackoverflow) 1976-11-24

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Legal Events

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