Display device and operating method thereof

Abstract

A display device is disclosed. The display device includes a display panel including a plurality of display blocks, at least one processor including processing circuitry, and memory storing instructions, wherein the instructions, when executed by the at least one processor individually or collectively, cause the display device to display a first primary color among at least one primary color in the plurality of display blocks, and based on identifying a first lightness value corresponding to the first primary color displayed in the plurality of display blocks, identify a first minimum lightness value among first lightness values corresponding to each of the plurality of display blocks, and based on the first lightness values corresponding to each of the plurality of display blocks and the first minimum lightness value, identify first dithering ratios corresponding to the first primary color for each of the plurality of display blocks, correct images corresponding to each of the plurality of display blocks based on the first dithering ratios identified for each of the plurality of display blocks, and display the corrected images in each of the plurality of display blocks.

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