JPS54137957A - Formation method of fluorescent screen of color picture tube - Google Patents

Formation method of fluorescent screen of color picture tube

Info

Publication number
JPS54137957A
JPS54137957A JP4522078A JP4522078A JPS54137957A JP S54137957 A JPS54137957 A JP S54137957A JP 4522078 A JP4522078 A JP 4522078A JP 4522078 A JP4522078 A JP 4522078A JP S54137957 A JPS54137957 A JP S54137957A
Authority
JP
Japan
Prior art keywords
coating
coloring agent
fluorescent screen
center
fluorescent
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
JP4522078A
Other languages
Japanese (ja)
Inventor
Nobuo Kita
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 JP4522078A priority Critical patent/JPS54137957A/en
Publication of JPS54137957A publication Critical patent/JPS54137957A/en
Pending legal-status Critical Current

Links

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE: To obtain a bright screen by forming a uniform-thickness metal coating in the subsequent process, by coating an internal face-plate surface with a coloring agent thickly at its center and thinly at its circumference.
CONSTITUTION: After fluorescent screen 1 is formed by applying a fluorescent- substance layer, the fluorescent screen is sprayed with a coloring agent at its center by spray gun 7. At this time, rotaton-coating is so performed that the center part will become thicker. Next, coating solution 4 is applied by rotating in the same way, and then dried by rotating. As a result, a blister caused by the coloring agent collected on the sidewall part in a rotation-drying process is prevented by applying the coloring agent in this way, and the face plate surface is heated up to a uniform temperature, so that an excellent coating can be formed.
COPYRIGHT: (C)1979,JPO&Japio
JP4522078A 1978-04-19 1978-04-19 Formation method of fluorescent screen of color picture tube Pending JPS54137957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4522078A JPS54137957A (en) 1978-04-19 1978-04-19 Formation method of fluorescent screen of color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4522078A JPS54137957A (en) 1978-04-19 1978-04-19 Formation method of fluorescent screen of color picture tube

Publications (1)

Publication Number Publication Date
JPS54137957A true JPS54137957A (en) 1979-10-26

Family

ID=12713175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4522078A Pending JPS54137957A (en) 1978-04-19 1978-04-19 Formation method of fluorescent screen of color picture tube

Country Status (1)

Country Link
JP (1) JPS54137957A (en)

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