The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2014
Filed:
Jul. 17, 2012
Applicants:
Osamu Inoue, Osaka, JP;
Hiroshi Asano, Osaka, JP;
Yusuke Fukui, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/54 (2006.01); C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is a method of producing an ultraviolet light emitting phosphor material. This method includes a step of heat-treating a composition containing zinc and oxygen as main components and at least one selected from the group consisting of aluminum, gallium and indium as a sub-component, in the presence of at least two coexisting substances selected from the group consisting of zinc oxide, gallium oxide and phosphorus oxide under a non-oxidizing atmosphere.