JPS5581446A - Fluorescent material - Google Patents
Fluorescent materialInfo
- Publication number
- JPS5581446A JPS5581446A JP15418078A JP15418078A JPS5581446A JP S5581446 A JPS5581446 A JP S5581446A JP 15418078 A JP15418078 A JP 15418078A JP 15418078 A JP15418078 A JP 15418078A JP S5581446 A JPS5581446 A JP S5581446A
- Authority
- JP
- Japan
- Prior art keywords
- boric acid
- fluorescent material
- added
- water soluble
- acid compound
- 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.)
- Granted
Links
Landscapes
- Luminescent Compositions (AREA)
Abstract
PURPOSE: To improve dispersibility and coating property by coating boric acid compound on the surface.
CONSTITUTION: Water soluble boric acid salt (for instance, compounds, such as sodium tetraborate Na2B4O7.10H2O, potassium tetraborate) are added in the fluorescent material suspension and are agitated. Then, water soluble metal salt compounds such as zinc sulfate, and aluminum sulfate are also added and the boric acid compound which is produced by the above reaction is coated on the surface of the fluorescent material. A product is obtained through each process of filtration→ washing with pure water→drying→and screening.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15418078A JPS6042272B2 (en) | 1978-12-15 | 1978-12-15 | Color fluorescent material for cathode ray tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15418078A JPS6042272B2 (en) | 1978-12-15 | 1978-12-15 | Color fluorescent material for cathode ray tubes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5581446A true JPS5581446A (en) | 1980-06-19 |
JPS6042272B2 JPS6042272B2 (en) | 1985-09-20 |
Family
ID=15578576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15418078A Expired JPS6042272B2 (en) | 1978-12-15 | 1978-12-15 | Color fluorescent material for cathode ray tubes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6042272B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309481A (en) * | 1979-04-10 | 1982-01-05 | Tokyo Shibaura Denki Kabushiki Kaisha | Filter-coated phosphor |
-
1978
- 1978-12-15 JP JP15418078A patent/JPS6042272B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309481A (en) * | 1979-04-10 | 1982-01-05 | Tokyo Shibaura Denki Kabushiki Kaisha | Filter-coated phosphor |
Also Published As
Publication number | Publication date |
---|---|
JPS6042272B2 (en) | 1985-09-20 |
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