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:
Jun. 27, 2017
Filed:
Jun. 20, 2016
Seiko Epson Corporation, Tokyo, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A lighting device includes a supporting section configured to support a light source device unit, a fan housing section in which an outflow port for causing the air discharged by a cooling fan to flow out is formed, and a circulating device supported by the light source device unit. The outflow port is opened in a direction along a second direction. The light source device unit includes an inflow port opened to a side opposed to the outflow port and a channel for leading the air flowing in from the inflow port to a light source. The circulating device includes a moving section disposed between the light source device unit and the fan housing section in a predetermined position, a ventilation hole for causing the outflow port and the inflow port to communicate being formed in the moving section, and an urging section configured to urge the moving section.