GB8607415D0 - Colour cathode ray tube - Google Patents

Colour cathode ray tube

Info

Publication number
GB8607415D0
GB8607415D0 GB868607415A GB8607415A GB8607415D0 GB 8607415 D0 GB8607415 D0 GB 8607415D0 GB 868607415 A GB868607415 A GB 868607415A GB 8607415 A GB8607415 A GB 8607415A GB 8607415 D0 GB8607415 D0 GB 8607415D0
Authority
GB
United Kingdom
Prior art keywords
ray tube
cathode ray
colour cathode
colour
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.)
Granted
Application number
GB868607415A
Other versions
GB2176647B (en
GB2176647A (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.)
RANK ELECTRONIC TUBES Ltd
Original Assignee
RANK ELECTRONIC TUBES Ltd
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 RANK ELECTRONIC TUBES Ltd filed Critical RANK ELECTRONIC TUBES Ltd
Publication of GB8607415D0 publication Critical patent/GB8607415D0/en
Publication of GB2176647A publication Critical patent/GB2176647A/en
Application granted granted Critical
Publication of GB2176647B publication Critical patent/GB2176647B/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
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H01J29/327—Black matrix materials
    • 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)
GB8607415A 1985-03-26 1986-03-25 Colour cathode ray tube Expired GB2176647B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858507798A GB8507798D0 (en) 1985-03-26 1985-03-26 Colour cathode ray tube

Publications (3)

Publication Number Publication Date
GB8607415D0 true GB8607415D0 (en) 1986-04-30
GB2176647A GB2176647A (en) 1986-12-31
GB2176647B GB2176647B (en) 1989-06-21

Family

ID=10576637

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858507798A Pending GB8507798D0 (en) 1985-03-26 1985-03-26 Colour cathode ray tube
GB8607415A Expired GB2176647B (en) 1985-03-26 1986-03-25 Colour cathode ray tube

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858507798A Pending GB8507798D0 (en) 1985-03-26 1985-03-26 Colour cathode ray tube

Country Status (1)

Country Link
GB (2) GB8507798D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213982A (en) * 1987-12-22 1989-08-23 Rank Brimar Ltd Phosphor screen preparation
GB2218846A (en) * 1988-05-20 1989-11-22 Rank Brimar Ltd Manufacture of colour crt phoshor screen
JPH04269422A (en) * 1991-02-23 1992-09-25 Sony Corp Formation of fluorescent plane of cathode-ray tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1437862A1 (en) * 1964-02-13 1968-10-31 Sony Corp Process for the production of color screens for cathode ray tubes
GB1177598A (en) * 1967-11-01 1970-01-14 Gaf Corp Improvements in or relating to the Production of Luminescent Screens for Colour Television Tubes.
US3615461A (en) * 1968-11-06 1971-10-26 Zenith Radio Corp Method of processing a black surround screen
DE2021051C3 (en) * 1969-10-16 1979-03-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Process for the production of a fluorescent screen of a color picture tube comprising a plurality of discrete fluorescent elements

Also Published As

Publication number Publication date
GB2176647B (en) 1989-06-21
GB8507798D0 (en) 1985-05-01
GB2176647A (en) 1986-12-31

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee