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.

Date of Patent:
Aug. 07, 2012

Filed:

Oct. 23, 2008
Applicants:

Robert D. Polak, Lindenhurst, IL (US);

Andrew N. Cady, Chicago, IL (US);

Tomohiro Ishikawa, Evanston, IL (US);

Inventors:

Robert D. Polak, Lindenhurst, IL (US);

Andrew N. Cady, Chicago, IL (US);

Tomohiro Ishikawa, Evanston, IL (US);

Assignee:

Motorola Mobility, Inc., Libertyville, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus are provided for correcting burn-in in a flat screen display. The method includes the steps of determining a maximum cumulative luminance of each pixel () within the display () based upon a usage of the pixel, providing a modulation map () of the display () from the maximum cumulative luminance of each pixel () within the display (), transforming the modulation map () based upon the maximum cumulative luminance of groups of adjacent pixels to provide a modulation index for each pixel location of the map (), comparing the modulation indexes with a set of threshold values and adjusting a luminosity of associated pixels () of the display () when the modulation index exceeds the threshold.


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