JPS54124881A - Preparation of coating phosphor - Google Patents

Preparation of coating phosphor

Info

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
Application number
JP3212978A
Other languages
Japanese (ja)
Inventor
Noboru Hashimoto
Takashi Takiuchi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP3212978A priority Critical patent/JPS54124881A/en
Publication of JPS54124881A publication Critical patent/JPS54124881A/en
Pending legal-status Critical Current

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
JP3212978A 1978-03-20 1978-03-20 Preparation of coating phosphor Pending JPS54124881A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003090251A1 (en) * 2002-04-22 2003-10-30 Koninklijke Philips Electronics N.V. Luminescent screen

Cited By (1)

* Cited by examiner, † Cited by third party
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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