TW501367B - Method for television picture tubes contrast improvement - Google Patents

Method for television picture tubes contrast improvement Download PDF

Info

Publication number
TW501367B
TW501367B TW089121584A TW89121584A TW501367B TW 501367 B TW501367 B TW 501367B TW 089121584 A TW089121584 A TW 089121584A TW 89121584 A TW89121584 A TW 89121584A TW 501367 B TW501367 B TW 501367B
Authority
TW
Taiwan
Prior art keywords
thin layer
graphite
patent application
cathode ray
ray tube
Prior art date
Application number
TW089121584A
Other languages
English (en)
Chinese (zh)
Inventor
Antimo Pezzulo
Alfredo Palumbo
Giorgio Salani
Original Assignee
Videocolor Spa
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 Videocolor Spa filed Critical Videocolor Spa
Application granted granted Critical
Publication of TW501367B publication Critical patent/TW501367B/zh

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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • 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
    • H01J9/2278—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)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
TW089121584A 1999-11-05 2000-10-16 Method for television picture tubes contrast improvement TW501367B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI002325A IT1313925B1 (it) 1999-11-05 1999-11-05 Metodo di fabbricazione di uno schermo per tubi a raggi catodici acolori e tubo incorporante tale schermo.

Publications (1)

Publication Number Publication Date
TW501367B true TW501367B (en) 2002-09-01

Family

ID=11383912

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089121584A TW501367B (en) 1999-11-05 2000-10-16 Method for television picture tubes contrast improvement

Country Status (8)

Country Link
EP (1) EP1098348A3 (ja)
JP (1) JP2001167712A (ja)
KR (1) KR20010051401A (ja)
CN (1) CN1169183C (ja)
IT (1) IT1313925B1 (ja)
MX (1) MXPA00010841A (ja)
MY (1) MY136611A (ja)
TW (1) TW501367B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010055947A (ja) * 2008-08-28 2010-03-11 Canon Inc カラー画像表示装置用のフェイスパネル、該フェイスパネルを用いたカラー画像表示装置用のパネル、および、該パネルが搭載されたカラー画像表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132919A (en) * 1977-12-12 1979-01-02 Lockheed Missiles & Space Company, Inc. Absorbing inhomogeneous film for high contrast display devices
US4310783A (en) * 1979-05-07 1982-01-12 Temple Michael D Cathode ray tube face plate construction for suppressing the halo having a low reflection and method
JPS577048A (en) * 1980-06-16 1982-01-14 Toshiba Corp Fluorescent light emission screen
JPS60101831A (ja) * 1983-11-07 1985-06-05 Mitsubishi Electric Corp カラ−受像管の光吸収性膜の形成方法
KR950014541B1 (ko) * 1991-05-24 1995-12-05 미쯔비시덴끼 가부시끼가이샤 광선택흡수층 또는 뉴트럴 필터층을 갖는 컬러음극선관

Also Published As

Publication number Publication date
MXPA00010841A (es) 2003-06-06
CN1295335A (zh) 2001-05-16
IT1313925B1 (it) 2002-09-26
EP1098348A3 (en) 2002-07-17
CN1169183C (zh) 2004-09-29
ITMI992325A0 (it) 1999-11-05
EP1098348A2 (en) 2001-05-09
MY136611A (en) 2008-10-31
KR20010051401A (ko) 2001-06-25
JP2001167712A (ja) 2001-06-22
ITMI992325A1 (it) 2001-05-05

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Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees