Organic light emitting display and driving method thereof
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Nov 12, 2014
filing date -
Nov 13, 2013
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Abstract
An organic light emitting display includes pixels, a scan driver configured to supply a scan signal to a specific scan line during a third period of the sensing frame, and configured to sequentially supply scan signals to the scan lines during a sixth period of the sensing frame, a data driver configured to supply, to the data lines, a previous data signal corresponding to a gray scale according to the scan signal supplied to the specific scan line during the third period, and configured to supply a current data signal to the data lines to be synchronized with the scan signals supplied during the sixth period, and a compensation unit configured to extract the threshold voltage and mobility information of the driving transistor from pixels at a specific horizontal line and coupled to the specific scan line before the scan signal is supplied during the third period.
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