JPS5414667A - Color picture tube - Google Patents

Color picture tube

Info

Publication number
JPS5414667A
JPS5414667A JP7996777A JP7996777A JPS5414667A JP S5414667 A JPS5414667 A JP S5414667A JP 7996777 A JP7996777 A JP 7996777A JP 7996777 A JP7996777 A JP 7996777A JP S5414667 A JPS5414667 A JP S5414667A
Authority
JP
Japan
Prior art keywords
picture tube
color picture
fluorescentsubstance
focusing
region
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.)
Pending
Application number
JP7996777A
Other languages
Japanese (ja)
Inventor
Shigeo Takenaka
Hidetoshi Yamazaki
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 JP7996777A priority Critical patent/JPS5414667A/en
Publication of JPS5414667A publication Critical patent/JPS5414667A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To improve brightness by focusing an electron beam, by selectively arranging an insulating material in the region of a fluorescent screen with a fluorescentsubstance element group removed.
COPYRIGHT: (C)1979,JPO&Japio
JP7996777A 1977-07-06 1977-07-06 Color picture tube Pending JPS5414667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7996777A JPS5414667A (en) 1977-07-06 1977-07-06 Color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7996777A JPS5414667A (en) 1977-07-06 1977-07-06 Color picture tube

Publications (1)

Publication Number Publication Date
JPS5414667A true JPS5414667A (en) 1979-02-03

Family

ID=13705077

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7996777A Pending JPS5414667A (en) 1977-07-06 1977-07-06 Color picture tube

Country Status (1)

Country Link
JP (1) JPS5414667A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154730A (en) * 1983-02-23 1984-09-03 Nippon Hoso Kyokai <Nhk> Color picture display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154730A (en) * 1983-02-23 1984-09-03 Nippon Hoso Kyokai <Nhk> Color picture display device

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