After recently unveiling the first MacBook Pros with mini-LED displays, Apple is reportedly already developing next-generation panels. Supposedly, Apple will combine two OLED panels to achieve extreme brightness and durability, but they will not be ready for market under the middle of the decade at the earliest.
https://www.notebookcheck.net/The-first-Apple-MacBook-with-an-OLED-display-will-not-arrive-before-2025-but-it-will-have-a-high-peak-brightness.577402.0.html