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:
Jan. 09, 2018
Filed:
Oct. 20, 2016
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Takashi Ikeda, Osaka, JP;
Masafumi Tanaka, Osaka, JP;
Shigekazu Yamagishi, Osaka, JP;
Hiroki Sugiyama, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/16 (2006.01); F21V 29/89 (2015.01); F21V 13/14 (2006.01); G03B 21/20 (2006.01); G02B 26/00 (2006.01); F21V 7/00 (2006.01); G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
F21V 9/16 (2013.01); F21V 7/00 (2013.01); F21V 13/14 (2013.01); F21V 29/89 (2015.01); G02B 26/008 (2013.01); G03B 21/204 (2013.01); G03B 21/008 (2013.01);
Abstract
A phosphor wheel includes: a substrate; a light reflection layer disposed on one surface of the substrate; a phosphor layer; and a bonding layer which is located between and bonds the light reflection layer and the phosphor layer, wherein the bonding layer contains a particle which is higher in thermal conductivity than a base material of the bonding layer and higher in light reflectance than the light reflection layer.