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:
Jul. 11, 2006
Filed:
Mar. 25, 2004
Marcial Vidal, Merritt Island, FL (US);
David K. Mutchler, Cocoa Beach, FL (US);
Duane A. Haven, Umpqua, OR (US);
Marcial Vidal, Merritt Island, FL (US);
David K. Mutchler, Cocoa Beach, FL (US);
Duane A. Haven, Umpqua, OR (US);
Video Display Corporation, Tucker, GA (US);
Abstract
A spatial light modulator contains a substrate (), a plurality of overlying liquid-crystal cells (), a plurality of respectively corresponding transistors (), an electron-beam system (and), and a control component (). Each transistor is in electrical communication with the corresponding liquid-crystal cell. The electron-beam system bombards each transistor with electrons that cause it to be selectively in (i) a non-conductive condition in which its channel-region electric field is substantially insufficient for conduction or (ii) a conductive condition in which its channel-region electric field is sufficient for at least partial conduction. During selected time periods when a transistor is in its conductive condition, the control component provides the transistor with a control signal that results in the polarization direction of specified light being selectively rotated in passing through the corresponding liquid-crystal cell.