A display analyst shared that Apple has shifted from traditional red KSF phosphor film to quantum dot film in the latest MacBook Pro models with M4.M4 MacBook Pro. Image source: AppleQuantum dot technology isn't new, in fact, Apple has been investigating its use in displays since at least 2014. By replacing the layer of phosphor film with nanocrystals made from semiconductor material called quantum dots, displays can display brighter and more vibrant colors.According to DSCC analyst Ross Young in a post on X, Apple didn't previously use quantum dot film because of its use of the toxic material cadmium. However, that has changed with the release of the MacBook Pro with M4. Continue Reading on AppleInsider | Discuss on our Forums