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:
Oct. 20, 2020

Filed:

May. 03, 2019
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-Do, KR;

Inventors:

Joo-Hyuk Yum, Yongin-si, KR;

Yong-Hoon Yu, Suwon-si, KR;

Jae-Youl Lee, Hwaseong-si, KR;

Assignee:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01); G09G 3/3258 (2016.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/3233 (2013.01); G09G 2320/0223 (2013.01); G09G 2320/0233 (2013.01);
Abstract

A display driver includes: a compensator configured to divide an input image into a plurality of blocks having a plurality of columns and a plurality of rows, generate a first current map in which a current magnitude corresponding to each of the plurality of blocks has been calculated, generate a second current map based on a cumulative summation of the current magnitude of the block located on each column of the first current map in a column direction, and generate output data by compensating pixel values of the input image based on a third current map in which the current magnitude of the block located on each row of the second current map has been adjusted with respect to a position in a row direction; and a data driver configured to generate an output image based on the output data and provide the output image to a display panel.


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