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:
Jun. 16, 2015
Filed:
Aug. 28, 2009
Tom Bert, Lochristi, BE;
Tom Kimpe, Ghent, BE;
BARCO N.V., Kortrijk, BE;
Abstract
The present invention relates to a method for compensating ageing effects of pixel outputs displaying an image on a display device. The method involves displaying a first image on an active display area () on the display device () having a first plurality of pixels; displaying a second image on a sub-area () of the display device () and having a second plurality of pixels, the active display area () being larger than the sub-area () and the second image being smaller than the first image and having fewer pixels than the active display area (); driving the pixels of the sub-area () with pixel values that are representative or indicative for the pixels in the activity display area (); making optical measurements on light emitted from the sub-area () and generating optical measurement signals () therefrom, and; controlling the display of the image on the active display area () in accordance with the optical measurement signals () of the sub-area ().