JPS52107768A - Color picture tube - Google Patents

Color picture tube

Info

Publication number
JPS52107768A
JPS52107768A JP2422376A JP2422376A JPS52107768A JP S52107768 A JPS52107768 A JP S52107768A JP 2422376 A JP2422376 A JP 2422376A JP 2422376 A JP2422376 A JP 2422376A JP S52107768 A JPS52107768 A JP S52107768A
Authority
JP
Japan
Prior art keywords
picture tube
color picture
internal surface
panel internal
brightness
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
JP2422376A
Other languages
Japanese (ja)
Other versions
JPS5721232B2 (en
Inventor
Nobu Ikegaki
Takeo Ito
Yasuhisa Otake
Hatsuo Tsukagoshi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2422376A priority Critical patent/JPS52107768A/en
Priority to GB973377A priority patent/GB1579746A/en
Priority to DE19772710089 priority patent/DE2710089C3/en
Publication of JPS52107768A publication Critical patent/JPS52107768A/en
Publication of JPS5721232B2 publication Critical patent/JPS5721232B2/ja
Granted 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
    • 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
    • H01J29/187—Luminescent screens screens with more than one luminescent material (as mixtures for the treatment of the screens)

Landscapes

  • Luminescent Compositions (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE: To reduce the attenuation quantity of brightness and thus to increase contrast by increasing filter material density at panel internal surface side and decreasing at electronic gun side respectively for the filter layer of fluorescent substance layer at panel internal surface.
COPYRIGHT: (C)1977,JPO&Japio
JP2422376A 1976-03-08 1976-03-08 Color picture tube Granted JPS52107768A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2422376A JPS52107768A (en) 1976-03-08 1976-03-08 Color picture tube
GB973377A GB1579746A (en) 1976-03-08 1977-03-08 Colour picture tube
DE19772710089 DE2710089C3 (en) 1976-03-08 1977-03-08 Screen of a color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2422376A JPS52107768A (en) 1976-03-08 1976-03-08 Color picture tube

Publications (2)

Publication Number Publication Date
JPS52107768A true JPS52107768A (en) 1977-09-09
JPS5721232B2 JPS5721232B2 (en) 1982-05-06

Family

ID=12132267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2422376A Granted JPS52107768A (en) 1976-03-08 1976-03-08 Color picture tube

Country Status (3)

Country Link
JP (1) JPS52107768A (en)
DE (1) DE2710089C3 (en)
GB (1) GB1579746A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5490961A (en) * 1978-11-20 1979-07-19 Matsushita Electronics Corp Cathode ray tube
JPS55148345A (en) * 1979-05-08 1980-11-18 Mitsubishi Electric Corp Manufacture of fluorescent screen of color picture tube

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5798607A (en) * 1997-04-03 1998-08-25 U.S. Philips Corporation Phosphor search including a non-pigmented phosphor and RGB phosphor elements for a CRT
KR20040096064A (en) * 2003-05-07 2004-11-16 삼성에스디아이 주식회사 Phosphor layer and display device employing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959483A (en) * 1955-09-06 1960-11-08 Zenith Radio Corp Color image reproducer and method of manufacture

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959483A (en) * 1955-09-06 1960-11-08 Zenith Radio Corp Color image reproducer and method of manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5490961A (en) * 1978-11-20 1979-07-19 Matsushita Electronics Corp Cathode ray tube
JPS55148345A (en) * 1979-05-08 1980-11-18 Mitsubishi Electric Corp Manufacture of fluorescent screen of color picture tube
JPS6356667B2 (en) * 1979-05-08 1988-11-09 Mitsubishi Electric Corp

Also Published As

Publication number Publication date
JPS5721232B2 (en) 1982-05-06
DE2710089A1 (en) 1977-09-15
DE2710089B2 (en) 1980-03-13
GB1579746A (en) 1980-11-26
DE2710089C3 (en) 1980-11-13

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