Data signal processing device and display device having the same
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United States of America Patent
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Jan 16, 2018
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app pub date -
Apr 30, 2015
filing date -
Oct 24, 2014
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Abstract
A data signal processing device includes a load calculator and a compensation processor. The load calculator calculates an on-pixel rate (OPR) based on image data signals and positional weight values. The positional weight values are determined based on locations of pixels in a display panel. The OPR is proportional to a frame luminance load, which corresponds to a sum of driving currents for the pixels to emit light in each of a plurality of frames. The compensation processor compensates distorted luminance caused by the frame luminance load based on the OPR.
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