LG plans to match Samsung's QD-OLED peak brightness with the addition of a microlens layer for next year's OLED.EX panels. This way, LG hopes to boost the brightness from ~900 nits up to 1500 nits and also improve energy efficiency, leading to reduced burn-in probability.
https://www.notebookcheck.net/Next-year-s-LG-OLED-TV-displays-could-integrate-microlens-tech-to-boost-peak-brightness-close-to-1500-nits.618796.0.html