JPS5263060A - Color picture tube - Google Patents

Color picture tube

Info

Publication number
JPS5263060A
JPS5263060A JP13805775A JP13805775A JPS5263060A JP S5263060 A JPS5263060 A JP S5263060A JP 13805775 A JP13805775 A JP 13805775A JP 13805775 A JP13805775 A JP 13805775A JP S5263060 A JPS5263060 A JP S5263060A
Authority
JP
Japan
Prior art keywords
picture tube
color picture
contrast
improve
crt
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
JP13805775A
Other languages
Japanese (ja)
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 JP13805775A priority Critical patent/JPS5263060A/en
Publication of JPS5263060A publication Critical patent/JPS5263060A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To effectively improve contrast by providing only a filter means corresponding to a blue luminous fluorescent body on the inside of CRT in order to improve the image contrast in the bright outer light and by a simple manufacturing method.
COPYRIGHT: (C)1977,JPO&Japio
JP13805775A 1975-11-19 1975-11-19 Color picture tube Pending JPS5263060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13805775A JPS5263060A (en) 1975-11-19 1975-11-19 Color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13805775A JPS5263060A (en) 1975-11-19 1975-11-19 Color picture tube

Publications (1)

Publication Number Publication Date
JPS5263060A true JPS5263060A (en) 1977-05-25

Family

ID=15212963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13805775A Pending JPS5263060A (en) 1975-11-19 1975-11-19 Color picture tube

Country Status (1)

Country Link
JP (1) JPS5263060A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5898263A (en) * 1993-10-08 1999-04-27 Kabushiki Kaisha Toshiba Pigment dispersion composition, display apparatus, and method of manufacturing the apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4846266A (en) * 1971-10-06 1973-07-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4846266A (en) * 1971-10-06 1973-07-02

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5898263A (en) * 1993-10-08 1999-04-27 Kabushiki Kaisha Toshiba Pigment dispersion composition, display apparatus, and method of manufacturing the apparatus
US5989649A (en) * 1993-10-08 1999-11-23 Kabushiki Kaisha Toshiba Pigment dispersion composition, display apparatus, and method of manufacturing the apparatus
US6544326B1 (en) 1993-10-08 2003-04-08 Kabushiki Kaisha Toshiba Pigment dispersion composition, display apparatus, and method of manufacture the apparatus

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