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. 25, 2013
Filed:
Jun. 14, 2011
Shingo Otsuka, Shiojiri, JP;
Toshimitsu Watanabe, Matsumotoshi, JP;
Masato Kadotani, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes: a plurality of reflection type light modulation devices which modulates a corresponding color light; a color synthesize optical device which has a plurality of light entrance side surfaces and a crossing surface to combine the received color lights; a heat sink which has a base attached to the corresponding reflection type light modulation device, and a fin protruding from the base and extending in a direction crossing the crossing end surface; and a duct member disposed at a position opposed to the crossing surface to supply introduced air toward the heat sink, wherein the duct member includes a first outlet section disposed opposed to the fin such that the introduced air can be supplied toward the base through the first outlet section, and a second outlet section through which the introduced air is supplied in the extending direction of the fin.