Pixelated quantum dot color conversion layer (PQDCCL) is the most promising approach to realize a full-color micro-LED display. However. the QD excitation by ambient light has non-negligible impact on the ambient contrast ratio (ACR) and the display readability. and the ACR issue of color-converted micro-LED display has not been fully explored before. https://echobasetoysmyshopifyes.shop/product-category/1-6th-box-set/