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:
Mar. 13, 2007
Filed:
Sep. 28, 2004
Nobutoshi Otsuka, Hotaka-machi, JP;
Zenta Kosaka, Matsumoto, JP;
Nobutoshi Otsuka, Hotaka-machi, JP;
Zenta Kosaka, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A heat-conductive frame () is provided extending between a holder frame () and a fixing member () of an optical device (). Additionally, a heat-conductive member () is provided, which abuts on a dust-proof glass on the light-irradiation side of a liquid crystal panel () and the fixing member (). The holder frame () and the fixing member () are fixed by a heat-conductive agglutinate. Besides, a heat-conductive member () is attached extending between a light-irradiation surface of a transparent member (A) of an irradiation-side polarization plate () and the fixing member (). A heat-radiation fin () having a plurality of fin members (B) is attached to an upper plate body (C) of the fixing member ().