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:
Apr. 12, 2011
Filed:
Aug. 06, 2008
Applicant:
Takeshi Utagawa, Shiojiri, JP;
Inventor:
Takeshi Utagawa, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compensation element adjustment mechanism used with a light modulation device and a polarization plate includes: an optical compensation element disposed between the light modulation device and a polarization plate; a frame for supporting the optical compensation element, and having a pair of shaft members disposed at positions opposed to each other on a periphery of the optical compensation element; a support holder to be fixed with respect to the light modulation device, and for rotatably supporting the pair of shaft members; and a fixing section for restricting a displacement of the frame to the support holder by an elastic contact.