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. 22, 2005
Filed:
Mar. 27, 2003
Applicant:
Yasunori Ogawa, Suma, JP;
Inventor:
Yasunori Ogawa, Suma, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B021/14 ;
U.S. Cl.
CPC ...
Abstract
In an optical device (), an optical axis (A) of a projection lens () is shifted relative to a central axis (C) of an image formation area of a liquid crystal panel (), and a central axis (B) of a light-incident side of the cross dichroic prism () is shifted relative to a central axis (C) of the image formation area of a liquid crystal panel () to be located between the optical axis (A) of the projection lens () and the central axis (C) of the image formation area of the liquid crystal panel ().