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:
Feb. 20, 2018

Filed:

Oct. 26, 2015
Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-Do, KR;

Inventor:

Mitsuru Fujii, Asan-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01); G09G 3/20 (2006.01); G09G 3/10 (2006.01); G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 3/32 (2013.01); G09G 2320/0223 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0285 (2013.01); G09G 2320/045 (2013.01); G09G 2360/16 (2013.01);
Abstract

A data compensation device includes a current calculator which calculates an average current of each of blocks included in a pixel array based on an input data, a data enable signal, a horizontal synchronization signal and a vertical synchronization signal, a voltage drop info provider which provides a bus voltage drop information of predetermined bus points and an array voltage drop information of predetermined array points, the bus points being included in a power supply bus wiring which is connected to the pixel array, the array points being included in the pixel array, a data compensation circuit configured to provide a compensation data corresponding to the input data based on the average current, the bus voltage drop information and the array voltage drop information, and an adder configured to provide a compensation result data by adding the input data and the compensation data.


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