Mura compensation method for display panel
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United States of America Patent
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May 1, 2018
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app pub date -
May 26, 2016
filing date -
Apr 15, 2016
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Abstract
The invention provides a Mura compensation method for display panel, which extracts the luminance information of a grayscale b other than the lowest grayscale from the inputted image through an image console, generates a Mura value index table for 0 to the lowest grayscale; uses linearly interpolation calculate the Mura values for the remaining grayscales; determines the inputted data signal; for low grayscale image smaller than the lowest grayscale, searches the index table for Mura value to perform Mura compensation to make the compensated grayscale larger than the lowest grayscale; for dynamic image, uses linear interpolation to calculate the Mura value corresponding to the inputted data signal; and for static image, uses non-linear interpolation to calculate the Mura value corresponding to the inputted data signal. As such, the Mura compensation effect is improved for static and low grayscale images; moreover, the memory speed requirement is reduced.
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