METHOD OF PRODUCING THIOGALLATE-BASED FLUORESCENT MATERIAL AND A SULFITE FOR A THIOGALLATE-BASED FLUORESCENT MATERIAL

METHOD OF PRODUCING THIOGALLATE-BASED FLUORESCENT MATERIAL AND A SULFITE FOR A THIOGALLATE-BASED FLUORESCENT MATERIAL

A method of producing a thiogallate-based fluorescent material having a large particle diameter and an enhanced luminance, and a sulfite for a thiogallate-based fluorescent material are provided. The method of producing a thiogallate-based fluorescent material includes preparing a first solution con...

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Bibliographische Detailangaben
1. Verfasser: OOGURI Hirofumi
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Zusammenfassung:A method of producing a thiogallate-based fluorescent material having a large particle diameter and an enhanced luminance, and a sulfite for a thiogallate-based fluorescent material are provided. The method of producing a thiogallate-based fluorescent material includes preparing a first solution containing at least one element M1 selected from the group consisting of strontium, beryllium, magnesium, calcium, barium and zinc, and at least one element M2 selected from the group consisting of europium and cerium, and a second solution containing a sulfite; simultaneously supplying the first solution and the second solution to a reaction vessel and causing a reaction in a reaction system to obtain a powder of a sulfite containing M1 and M2; and obtaining the thiogallate-based fluorescent material from the resulting powder of a sulfite containing M1 and M2.