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:
Jun. 04, 2024
Filed:
Mar. 25, 2019
Applicant:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Inventors:
Tadahito Furuyama, Otsu, JP;
Shotaro Fukumoto, Otsu, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/062 (2006.01); C03C 3/068 (2006.01); C03C 3/093 (2006.01); C03C 3/095 (2006.01); C03C 4/12 (2006.01); C03C 14/00 (2006.01); C09K 11/02 (2006.01); F21V 9/30 (2018.01);
U.S. Cl.
CPC ...
C03C 14/006 (2013.01); C03C 3/062 (2013.01); C03C 3/068 (2013.01); C03C 3/093 (2013.01); C03C 3/095 (2013.01); C03C 4/12 (2013.01); C09K 11/02 (2013.01); F21V 9/30 (2018.02);
Abstract
Provided is a wavelength conversion member which is made of a phosphor powder dispersed in a glass matrix and has an excellent luminous efficiency. A wavelength conversion member is comprising: a phosphor powder dispersed in a glass matrix, wherein the glass matrix has a refractive index (nd) of 1.6 or more and a liquidus temperature of 1070° C. or below.