ES470761A1 - Cathode ray tube screen - Google Patents

Cathode ray tube screen

Info

Publication number
ES470761A1
ES470761A1 ES470761A ES470761A ES470761A1 ES 470761 A1 ES470761 A1 ES 470761A1 ES 470761 A ES470761 A ES 470761A ES 470761 A ES470761 A ES 470761A ES 470761 A1 ES470761 A1 ES 470761A1
Authority
ES
Spain
Prior art keywords
ray tube
cathode ray
tube screen
phosphor lines
light
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
ES470761A
Other languages
Spanish (es)
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
Publication of ES470761A1 publication Critical patent/ES470761A1/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
    • 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
    • H01J9/227—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)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

A colour display tube in which, in order to overcome the problem of irregular light reflection from an aluminium film adhering to the phosphor lines of the display screen, the aluminium film (13) of the display screen adheres mainly to the light-absorbing coating (17) disposed between adjacent phosphor lines (14, 15, 16), which coating (17) is at least 3 mu m thicker than the phosphor lines. The light-absorbing coating (17) typically comprises grains, 50% by weight of the said grains preferably having a diameter exceeding 15 mu m.
ES470761A 1977-06-16 1978-06-14 Cathode ray tube screen Expired ES470761A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7706617A NL7706617A (en) 1977-06-16 1977-06-16 COLOR IMAGE TUBE.

Publications (1)

Publication Number Publication Date
ES470761A1 true ES470761A1 (en) 1979-02-01

Family

ID=19828731

Family Applications (1)

Application Number Title Priority Date Filing Date
ES470761A Expired ES470761A1 (en) 1977-06-16 1978-06-14 Cathode ray tube screen

Country Status (9)

Country Link
JP (1) JPS5931826B2 (en)
BE (1) BE868113A (en)
CA (1) CA1101915A (en)
DE (1) DE2826134C2 (en)
ES (1) ES470761A1 (en)
FR (1) FR2394888A1 (en)
GB (1) GB2000366B (en)
IT (1) IT1095069B (en)
NL (1) NL7706617A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675212A (en) * 1992-04-10 1997-10-07 Candescent Technologies Corporation Spacer structures for use in flat panel displays and methods for forming same
GB8707975D0 (en) * 1987-04-03 1987-05-07 Philips Nv Colour cathode ray tube
FR2647592B1 (en) * 1989-05-23 1991-07-26 Thomson Tubes Electroniques THIN FILM CATHODOLUMINESCENT SHIELD FOR HIGH LUMINANCE CATHODE RAY TUBE
KR950004395B1 (en) * 1992-12-16 1995-04-28 삼성전관주식회사 C-crt having enhanced screen and manufacturing method for the same
WO1994018694A1 (en) * 1993-02-01 1994-08-18 Silicon Video Corporation Flat panel device with internal support structure and/or raised black matrix

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223872A (en) * 1962-08-13 1965-12-14 Paramount Pictures Corp Color screen with electron- and lightabsorptive material separating adjacent color strips
CA924564A (en) * 1969-10-01 1973-04-17 E. Mayaud Edith Process of fabricating a screen structure for a cathode ray tube
US3676127A (en) * 1970-01-23 1972-07-11 Staley Mfg Co A E Color television tube fabrication
US3614503A (en) * 1970-02-24 1971-10-19 Zenith Radio Corp Black-surround color picture tube
US3890527A (en) * 1973-04-26 1975-06-17 Westinghouse Electric Corp Triad color screen having elements larger than mask apertures near screen center and smaller near periphery

Also Published As

Publication number Publication date
IT7824534A0 (en) 1978-06-13
DE2826134C2 (en) 1987-02-05
GB2000366B (en) 1982-01-27
JPS5931826B2 (en) 1984-08-04
NL7706617A (en) 1978-12-19
DE2826134A1 (en) 1978-12-21
GB2000366A (en) 1979-01-04
IT1095069B (en) 1985-08-10
FR2394888B1 (en) 1983-03-25
BE868113A (en) 1978-12-14
FR2394888A1 (en) 1979-01-12
CA1101915A (en) 1981-05-26
JPS547269A (en) 1979-01-19

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