An algorithm is discussed for adaptively adjusting the luminance and saturation of images for an RGBW OLED display. By considering image statistics, this algorithm significantly reduces the peak current per color channel and the peak display current while reducing luminance or saturation for only infrequently occurring images.
In many display systems, it is desirable to reduce power to the blue primary for the purpose of reducing system power and improving system lifetime. An algorithm is discussed for reducing blue intensity as a function of saturation. Also discussed is the effect of this reduction on perceived image quality.
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