JPS5274274A - Black matrix type color picture tube - Google Patents

Black matrix type color picture tube

Info

Publication number
JPS5274274A
JPS5274274A JP14959075A JP14959075A JPS5274274A JP S5274274 A JPS5274274 A JP S5274274A JP 14959075 A JP14959075 A JP 14959075A JP 14959075 A JP14959075 A JP 14959075A JP S5274274 A JPS5274274 A JP S5274274A
Authority
JP
Japan
Prior art keywords
black matrix
matrix type
picture tube
type color
color picture
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
JP14959075A
Other languages
Japanese (ja)
Inventor
Michio Abe
Koichi Nakazato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14959075A priority Critical patent/JPS5274274A/en
Publication of JPS5274274A publication Critical patent/JPS5274274A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To improve brightness of a fluorescent screen by making a light absorbing coating plural holes in the shape of stripe or dot thin so far as it does not degrade the contrast on the fluorescent screen and controlling its transmissivity at 5%-40%.
COPYRIGHT: (C)1977,JPO&Japio
JP14959075A 1975-12-17 1975-12-17 Black matrix type color picture tube Pending JPS5274274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14959075A JPS5274274A (en) 1975-12-17 1975-12-17 Black matrix type color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14959075A JPS5274274A (en) 1975-12-17 1975-12-17 Black matrix type color picture tube

Publications (1)

Publication Number Publication Date
JPS5274274A true JPS5274274A (en) 1977-06-22

Family

ID=15478517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14959075A Pending JPS5274274A (en) 1975-12-17 1975-12-17 Black matrix type color picture tube

Country Status (1)

Country Link
JP (1) JPS5274274A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0410386A2 (en) * 1989-07-27 1991-01-30 Kabushiki Kaisha Toshiba Color picture tube
US5148082A (en) * 1989-07-11 1992-09-15 Kabushiki Kaisha Toshiba Color picture tube with light absorbing layer on screen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5148082A (en) * 1989-07-11 1992-09-15 Kabushiki Kaisha Toshiba Color picture tube with light absorbing layer on screen
EP0410386A2 (en) * 1989-07-27 1991-01-30 Kabushiki Kaisha Toshiba Color picture tube
US5045750A (en) * 1989-07-27 1991-09-03 Kabushiki Kaisha Toshiba Color picture tube having a phosphor screen with a semitransparent black light absorption

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