Driving controller, display device having the same, and driving method of display device
Number of patents in Portfolio can not be more than 2000
United States of America
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May 10, 2022
Grant Date -
Jun 25, 2020
app pub date -
Dec 17, 2019
filing date -
Dec 17, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A driving controller of a display device, the controller including a segment divider configured to divide the image signal into a plurality of segments and define a predetermined number of adjacent segments among the plurality of segments as a segment block, an image signal adder configured to add up a gray scale value of the image signal of each of the predetermined number of adjacent segments and output the added-up gray scale values, an average gray scale calculator configured to receive the added-up gray scale values and output an average gray scale value, a correction circuit configured to output corrected added-up gray scale values obtained by adding a weight value to each of the added-up gray scale values on the basis of the average gray scale value, and a driving frequency determiner configured to determine the driving frequency of the display device on the basis of the corrected added-up gray scale values.
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