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:
Nov. 14, 2017
Filed:
May. 31, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Daiki Yuto, Matsumoto, JP;
Takahiro Takizawa, Suzaka, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/2013 (2013.01); G03B 21/2026 (2013.01);
Abstract
A lighting device includes a plurality of light source devices and a holding member (first lamp unit and second lamp unit) holding the plurality of light source devices. The light source device has a light source and a storing body for storing the light source. The storing body has a plurality of openings introducing cooling gas and the holding member (first lamp unit and second lamp unit) includes a diverging device guiding the cooling gas to at least one opening among the plurality of openings.