CA1032595A - Light absorbing frame around screen of television picture tube - Google Patents

Light absorbing frame around screen of television picture tube

Info

Publication number
CA1032595A
CA1032595A CA226,186A CA226186A CA1032595A CA 1032595 A CA1032595 A CA 1032595A CA 226186 A CA226186 A CA 226186A CA 1032595 A CA1032595 A CA 1032595A
Authority
CA
Canada
Prior art keywords
light absorbing
picture tube
frame around
television picture
absorbing frame
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
CA226,186A
Other languages
English (en)
French (fr)
Inventor
Jacobus C. Gravesteijn
Gerard H.J. Van Iersel
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 CA1032595A publication Critical patent/CA1032595A/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
    • H01J29/24—Supports for luminescent material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/04—Chromates
    • 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
    • H01J9/2271—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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
CA226,186A 1974-05-13 1975-05-02 Light absorbing frame around screen of television picture tube Expired CA1032595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7406378A NL7406378A (nl) 1974-05-13 1974-05-13 Werkwijze voor het vervaardigen van een scha- duwmaskerbuis voor het weergeven van gekleurde beelden en buis vervaardigd volgens deze werk- wijze.

Publications (1)

Publication Number Publication Date
CA1032595A true CA1032595A (en) 1978-06-06

Family

ID=19821337

Family Applications (1)

Application Number Title Priority Date Filing Date
CA226,186A Expired CA1032595A (en) 1974-05-13 1975-05-02 Light absorbing frame around screen of television picture tube

Country Status (5)

Country Link
CA (1) CA1032595A (de)
DE (1) DE2518960C2 (de)
FR (1) FR2271658B1 (de)
GB (1) GB1485550A (de)
NL (1) NL7406378A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8304178A (nl) * 1983-12-06 1985-07-01 Philips Nv Kleurenbeeldbuis en weergeefinrichting voorzien van een dergelijke beeldbuis.
NL8304180A (nl) * 1983-12-06 1985-07-01 Philips Nv Beeldbuis en beeldweergeefinrichting voorzien van een dergelijke beeldbuis.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378875A (en) * 1942-03-30 1945-06-19 Philco Radio & Television Corp Cathode ray television tube
US3679451A (en) * 1970-02-13 1972-07-25 Marks Polarized Corp Nonglare coating for surfaces of tv tubes and the like and such coated surfaces
GB1331677A (en) * 1971-06-18 1973-09-26 Westinghouse Electric Corp Colour television tubes

Also Published As

Publication number Publication date
FR2271658B1 (de) 1979-06-08
NL7406378A (nl) 1975-11-17
GB1485550A (en) 1977-09-14
DE2518960A1 (de) 1975-12-04
DE2518960C2 (de) 1986-09-04
FR2271658A1 (de) 1975-12-12

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