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. 09, 2019
Filed:
Jul. 26, 2017
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventor:
Tatsuya Hishiki, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/66 (2006.01); C09K 11/00 (2006.01); C09K 11/08 (2006.01); H01L 31/055 (2014.01); C01F 11/02 (2006.01); C01G 19/02 (2006.01); C22C 19/05 (2006.01);
U.S. Cl.
CPC ...
C09K 11/663 (2013.01); C01F 11/02 (2013.01); C01G 19/02 (2013.01); C09K 11/00 (2013.01); C09K 11/08 (2013.01); C09K 11/66 (2013.01); H01L 31/055 (2013.01); C01P 2002/34 (2013.01); C22C 19/05 (2013.01); Y02E 10/52 (2013.01);
Abstract
A luminescent substance particle including BaSnOhaving a perovskite-type structure, wherein the luminescent substance particle contains one of 0.07% by mass or less of Fe (iron), 0.005% by mass or less of Cr (chromium) and 0.02% by mass or less of Ni (nickel). A wavelength conversion film including the luminescent substance particle for converting a light in an ultraviolet region to a light in an infrared region. A wavelength conversion device including a substrate and the wavelength conversion film formed on the substrate.