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:
Feb. 12, 2019
Filed:
Oct. 03, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kunihiko Takagi, Okaya, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); F21V 29/502 (2015.01); F21V 29/78 (2015.01); F21V 29/83 (2015.01); F21V 9/30 (2018.01); G02B 7/00 (2006.01); G02B 26/00 (2006.01); G03B 21/20 (2006.01); F21Y 115/30 (2016.01); G02B 27/14 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); F21V 9/30 (2018.02); F21V 29/502 (2015.01); F21V 29/78 (2015.01); F21V 29/83 (2015.01); G02B 7/008 (2013.01); G02B 26/008 (2013.01); G03B 21/204 (2013.01); F21Y 2115/30 (2016.08); G02B 27/149 (2013.01);
Abstract
A wavelength converter includes a rotating device, a substrate rotated by the rotating device, and a wavelength conversion element and a plurality of fins provided on a first surface of the substrate, and the first surface is so provided as to face an opening of an air introduction channel through which air for cooling the wavelength conversion element is introduced.