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:
Aug. 15, 2017
Filed:
Jun. 06, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/20 (2006.01); G03B 21/00 (2006.01); G03B 21/12 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/006 (2013.01); G03B 21/12 (2013.01); G03B 21/2013 (2013.01);
Abstract
An illumination device includes: a first light source device and a second light source device that emit light in directions opposite to each other in a first direction; a reflective portion that is disposed between the first light source device and the second light source device, and reflects the light emitted from the first light source device and the second light source device in a second direction crossing the first direction; and a cooling device that is disposed on one side of the reflective portion in a direction crossing the first direction and the second direction, and blows cooling air to the first light source device and the second light source device.