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. 29, 2016
Filed:
Nov. 10, 2005
Applicant:
Donald Henry Willis, Indianapolis, IN (US);
Inventor:
Donald Henry Willis, Indianapolis, IN (US);
Assignee:
THOMSON LICENSING, Boulogne-Billancourt, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/20 (2006.01); G09G 3/00 (2006.01); H04N 5/21 (2006.01); G09G 3/28 (2013.01); H04N 5/74 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2014 (2013.01); G09G 3/007 (2013.01); G09G 3/2022 (2013.01); H04N 5/21 (2013.01); G09G 3/28 (2013.01); G09G 3/346 (2013.01); G09G 2320/02 (2013.01); G09G 2320/0238 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/066 (2013.01); H04N 5/7458 (2013.01);
Abstract
In accordance with the present invention, there is provided a system and method for dark noise reduction in pulse width modulated (PWM) displays. The system includes means for determining bright corrected pixel values for dark portions of an image corresponding to a first subframe and means for determining dark corrected pixel values for dark image portions of an image corresponding to a second sub frame of the image frame.