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:
Mar. 07, 2023
Filed:
Oct. 18, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Masahiro Nakamura, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); C09K 11/08 (2006.01); C09K 11/77 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
C09K 11/02 (2013.01); C09K 11/0883 (2013.01); C09K 11/7706 (2013.01); G02B 5/0242 (2013.01); G02B 5/0294 (2013.01);
Abstract
A wavelength converter includes: a substrate portion; and an optical conversion layer including optical conversion inorganic particles and a binder portion that mutually holds the optical conversion inorganic particles, and being formed on the substrate portion, wherein the substrate portion and the binder portion bond to each other, and wherein the binder portion includes, as a main component, an inorganic polycrystalline substance composed in such a manner that inorganic material particles having an average particle size of 1 μm or less are bound to one another, and has thermal conductivity of 2 w/mK or more.