JPS54124584A - Coating of fluorescent substance - Google Patents

Coating of fluorescent substance

Info

Publication number
JPS54124584A
JPS54124584A JP3275578A JP3275578A JPS54124584A JP S54124584 A JPS54124584 A JP S54124584A JP 3275578 A JP3275578 A JP 3275578A JP 3275578 A JP3275578 A JP 3275578A JP S54124584 A JPS54124584 A JP S54124584A
Authority
JP
Japan
Prior art keywords
temperature
coating liquid
liquid
coating
fluorescent substance
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
JP3275578A
Other languages
Japanese (ja)
Inventor
Hideji Shima
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 JP3275578A priority Critical patent/JPS54124584A/en
Publication of JPS54124584A publication Critical patent/JPS54124584A/en
Pending legal-status Critical Current

Links

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE: To make the thickness of coated film uniform and reduce the scatter in the distribution of transmittivity, by raising the temperature of a coating liquid and a glass bulb and then coating the liquid on the inside surface of the bulb.
CONSTITUTION: The temperature of the fluorescent substance coating liquid produced by suspending powder of a fluorescent substance in water containing a water- soluble organic gluing agent and a surface active agent is set at 30 to 50°C. The temperature of the glass bulb is set at 35 to 100°C and higher than that of the coating liquid. Then, the liquid is coated on the inside surface of the bulb. If the temperature of the coating liquid were lower than 35°C, the percentage of forming would exceed 1%. If the temperature of the coating liquid were higher than 50°C, the water would be highly evaporated in a storage tank. If the temperature of the glass bulb were higher than 100°C, the temperature of the coating liquid would exceed 50°C when the liquid is circulated.
COPYRIGHT: (C)1979,JPO&Japio
JP3275578A 1978-03-22 1978-03-22 Coating of fluorescent substance Pending JPS54124584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3275578A JPS54124584A (en) 1978-03-22 1978-03-22 Coating of fluorescent substance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3275578A JPS54124584A (en) 1978-03-22 1978-03-22 Coating of fluorescent substance

Publications (1)

Publication Number Publication Date
JPS54124584A true JPS54124584A (en) 1979-09-27

Family

ID=12367649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3275578A Pending JPS54124584A (en) 1978-03-22 1978-03-22 Coating of fluorescent substance

Country Status (1)

Country Link
JP (1) JPS54124584A (en)

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