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:
Aug. 05, 2008
Filed:
Aug. 12, 2002
Willem Den Boer, Hillsboro, OR (US);
Adiel Abileah, Portland, OR (US);
Willem den Boer, Hillsboro, OR (US);
Adiel Abileah, Portland, OR (US);
Planar Systems, Inc., Beaverton, OR (US);
Abstract
A liquid crystal device comprises a front electrode layer, a rear electrode layer, and a liquid crystal material located between the front electrode layer and the rear electrode layer. The electrical potential is changed between the rear electrode layer and the front electrode layer to selectively modify portions of the liquid crystal material to change the polarization of the light incident thereon. A plurality of light sensitive elements located together with the rear electrode layer and a processor that determines at least one of the plurality of light sensitive elements that has been inhibited from sensing ambient light.