US Patent 7604752 Phosphor and fluorescent luminous tube
Patent 7604752 was granted and assigned to Futaba on October, 2009 by the United States Patent and Trademark Office.
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Patent abstract
A SrTiO3:Pr phosphor includes a SrTiO3:Pr phosphor material and an additive having one or more elements selected from the group consisting of W, Mo and V in a form of an elemental substance and/or a compound. A total amount of one or more elements included in the additive is in a range from 0.1 wt % to 30 wt % of the SrTiO3:Pr phosphor. The additive is WO3 and a particle size distribution of WO3 is such that a weight of WO3 whose particle diameters are in a range from 0.2 to 0.4 μm is not less than 70% of a total weight of WO3. A fluorescent luminous tube includes the SrTiO3:Pr phosphor.
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US Patent 07604752 Phosphor and fluorescent luminous tube US Patent 7604752 Phosphor and fluorescent luminous tube
Infobox
Patent Number
0760475200
Patent Number
760475200
Edits on 2 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076047520
Date of Patent
October 20, 2009
0Patent Application Number
113387640
Date Filed
January 25, 2006
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076047520
Date of Patent
October 20, 2009
0Patent Application Number
113387640
Date Filed
January 25, 2006
0Official Website
Patent Primary Examiner
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US Patent 07604752 Phosphor and fluorescent luminous tube
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07604752
Date of patent
October 20, 2009
Patent application number
11338764
Date Filed
January 25, 2006
Patent primary examiner
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