MY121753A - Method of manufacturing phosphor screen of color picture tube - Google Patents

Method of manufacturing phosphor screen of color picture tube

Info

Publication number
MY121753A
MY121753A MYPI9801037A MY121753A MY 121753 A MY121753 A MY 121753A MY PI9801037 A MYPI9801037 A MY PI9801037A MY 121753 A MY121753 A MY 121753A
Authority
MY
Malaysia
Prior art keywords
optical filter
pigment
phosphor screen
picture tube
color picture
Prior art date
Application number
Inventor
Norio Koike
Hajime Tanaka
Original Assignee
Toshiba Kk
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 Toshiba Kk filed Critical Toshiba Kk
Publication of MY121753A publication Critical patent/MY121753A/en

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
    • H01J29/185—Luminescent screens measures against halo-phenomena
    • 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)

Abstract

IN MANUFACTURING A PHOSPHOR SCREEN OF A COLOR PICTURE TUBE, A CURED RESIST LAYER USED IN A PHOTOLITHOGRAPHY PROCESS FOR A BLACK MATRIX PATTERN MAY REMAIN ON A HOLE PORTION OF THE BLACK MATRIX PATTERN FORMED ON THE INNER SURFACE OF A GLASS PANEL WITHOUT BEING REMOVED COMPLETELY IN THE WASHING PROCESS. IN SUCH A CASE, THE PIGMENT OF A FIRST OPTICAL FILTER LAYER REMAINS ADHERED TO THE SURFACE OF THE REMAINED RESIST LAYER. THIS ADHERED PIGMENT DEGRADES SUBSTANTIALLY THE BRIGHTNESS OF LUMINESCENT COLORS OF TWO OTHER PHOSPHORS. THEREFORE, AMONG THE THREE COLOR OPTICAL FILTER LAYERS, THE GREEN OPTICAL FILTER LAYER, WHICH HAS THE MINIMUM DIFFERENCE BETWEEN A PEAK TRANSMITTANCE AND A TRANSMITTANCE IN OTHER WAVELENGTH REGIONS, IS FORMED FIRST. ACCORDINGLY, A LEVEL OF AN ADVERSE EFFECT OF THE REMAINED GREEN PIGMENT (30G) ON THE EMISSION OF THE BLUE (40B) AND RED PHOSPHORS (40R) CAN BE SUPPRESSED TO MINIMUM.
MYPI9801037 1997-03-11 1998-03-10 Method of manufacturing phosphor screen of color picture tube MY121753A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5669297 1997-03-11
JP5204998A JPH10312746A (en) 1997-03-11 1998-03-04 Method for forming phosphor screen of color cathode ray tube

Publications (1)

Publication Number Publication Date
MY121753A true MY121753A (en) 2006-02-28

Family

ID=26392655

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9801037 MY121753A (en) 1997-03-11 1998-03-10 Method of manufacturing phosphor screen of color picture tube

Country Status (4)

Country Link
EP (1) EP0865066B1 (en)
JP (1) JPH10312746A (en)
DE (1) DE69810177T2 (en)
MY (1) MY121753A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100298949B1 (en) * 1999-03-03 2001-09-26 구자홍 Structure and method manufacturing phosphor layer in color CRT
KR20020076886A (en) * 2001-03-31 2002-10-11 엘지전자주식회사 Color cathode ray tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3853853B2 (en) * 1994-12-19 2006-12-06 株式会社東芝 Filter pattern manufacturing method
EP0720204B1 (en) * 1994-12-26 2000-09-06 Kabushiki Kaisha Toshiba Method of manufacturing display screen
DE69507874T2 (en) * 1994-12-26 1999-07-29 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Screen and method of making the same
JPH08185799A (en) * 1994-12-28 1996-07-16 Hitachi Ltd Method for manufacturing color cathode ray tube

Also Published As

Publication number Publication date
EP0865066A3 (en) 1999-04-14
EP0865066B1 (en) 2002-12-18
DE69810177D1 (en) 2003-01-30
EP0865066A2 (en) 1998-09-16
DE69810177T2 (en) 2003-06-05
JPH10312746A (en) 1998-11-24

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