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. 24, 2009
Filed:
Nov. 29, 2001
Eugene Murphy O'donnell, Fishers, IN (US);
Eugene Murphy O'Donnell, Fishers, IN (US);
Thomson Licensing, Boulogne-Billancourt, FR;
Abstract
A display driver for a display unit having a memory element and a liquid crystal cell includes a first display driver circuit having a first storage capacitor and a first differential amplifier coupled between the first storage capacitor and the liquid crystal cell and a second display driver circuit having a second storage capacitor () an a second differential amplifier (') coupled between the second storage capacitor and the liquid crystal cell. The display driver also includes a first switching mechanism enabling the switching of the display driver between the first display driver circuit during a positive frame and a second display driver circuit during a negative frame and a second switching mechanism coupled to a supply voltage. The second switching mechanism is controlled by at least one global address line.