If you’re hankering to upgrade to an 8K screen, Sony offers two choices: the Master Series Z9J, which uses a Full Array LED backlighting system, and the Z9K which has a MiniLED backlight (below). Available in 75- and 85in screen sizes, the Z9J upgrades Sony’s Cognitive processor to work with 8K sources (of which there are not many Jun 26, 2021 · There are two core TV backlight technologies on the market today – LED and OLED. They both have benefits depending on how you watch TV, which is why Sony’s .

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