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:
Oct. 30, 2018
Filed:
Jul. 16, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/16 (2006.01); F21V 29/76 (2015.01); F21V 14/08 (2006.01); F21V 9/16 (2006.01); G02B 26/00 (2006.01); H04N 9/31 (2006.01); G03B 21/20 (2006.01); G03B 33/12 (2006.01); F21V 9/30 (2018.01); G03B 21/00 (2006.01); F21Y 115/30 (2016.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); F21V 9/16 (2013.01); F21V 9/30 (2018.02); F21V 14/08 (2013.01); F21V 29/76 (2015.01); G02B 26/008 (2013.01); G03B 21/204 (2013.01); G03B 33/12 (2013.01); H04N 9/3144 (2013.01); H04N 9/3161 (2013.01); F21Y 2115/30 (2016.08); G03B 21/006 (2013.01);
Abstract
An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel () according to the present invention includes: a disc-like substrate (); a phosphor layer () formed on the substrate; and a plurality of heat dissipation fins (and) overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.