JPS54124881A - Preparation of coating phosphor - Google Patents
Preparation of coating phosphorInfo
- Publication number
- JPS54124881A JPS54124881A JP3212978A JP3212978A JPS54124881A JP S54124881 A JPS54124881 A JP S54124881A JP 3212978 A JP3212978 A JP 3212978A JP 3212978 A JP3212978 A JP 3212978A JP S54124881 A JPS54124881 A JP S54124881A
- Authority
- JP
- Japan
- Prior art keywords
- phosphor
- aqueous
- aqueous solution
- hpo
- dispersed
- 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
Links
Landscapes
- Luminescent Compositions (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
PURPOSE: Aqueous binder system is formed and dispersed into aqueous phosphor dispersion and then dried thereby providing coating phosphor having an excellent binding force of phosphor coating layer.
CONSTITUTION: An aqueous solution of Al salt (e.g. AlCl3, Al2(SO4)3) is reacted with an aqueous solution of phosphate (e.g. Na2HPO4, (NH4)2HPO4, etc.) to form aluminum phosphate (AlOP4) which is throughly washed. Then the AlPO4 aqueous solution is added to an aqueous dispersion of phosphor while agitation, being dispersed on the surface of the phosphor, then the phosphor is filtered and dried. In this process, the binding agent experiences no drying process, thus second coagulation is reduced, minimizing the reduction of biding force and facilitating process control.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3212978A JPS54124881A (en) | 1978-03-20 | 1978-03-20 | Preparation of coating phosphor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3212978A JPS54124881A (en) | 1978-03-20 | 1978-03-20 | Preparation of coating phosphor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54124881A true JPS54124881A (en) | 1979-09-28 |
Family
ID=12350267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3212978A Pending JPS54124881A (en) | 1978-03-20 | 1978-03-20 | Preparation of coating phosphor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54124881A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003090251A1 (en) * | 2002-04-22 | 2003-10-30 | Koninklijke Philips Electronics N.V. | Luminescent screen |
-
1978
- 1978-03-20 JP JP3212978A patent/JPS54124881A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003090251A1 (en) * | 2002-04-22 | 2003-10-30 | Koninklijke Philips Electronics N.V. | Luminescent screen |
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