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:
Nov. 07, 2017
Filed:
May. 08, 2014
Applicant:
Daiichi Kigenso Kagaku Kogyo Co., Ltd., Osaka-shi, Osaka, JP;
Inventors:
Yasushi Nakajima, Osaka, JP;
Masayuki Takai, Osaka, JP;
Assignee:
DAIICHI KIGENSO KAGAKU KOGYO CO., LTD., Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/67 (2006.01); C09K 11/70 (2006.01); C09K 11/08 (2006.01); C09K 11/88 (2006.01);
U.S. Cl.
CPC ...
C09K 11/881 (2013.01); C09K 11/67 (2013.01); C09K 11/676 (2013.01); C09K 11/678 (2013.01); C09K 11/70 (2013.01); C09K 11/701 (2013.01);
Abstract
The object of the present invention is to provide an oxide-based phosphor comprising elements other than rare earth elements as light-emitting elements, with low material costs, while achieving high luminous efficacy. The means for achieving the object is a phosphor comprising the following (1) to (3): (1) zirconium oxide, (2) titanium, and (3) at least one element selected from the group consisting of phosphorus, selenium, boron, and silicon.