The iPhone 14 Pro Max is recognised  by DisplayMate 

DisplayMate gave the iPhone 14 Pro Max an A+ rating in its extensive testing

A peak brightness of 2,300+ nits is possible with the iPhone 14 Pro Max.

Additionally, the smartphone boasts having the highest viewable screen resolution.

Apple has made additional display enhancements that enable the refresh rate to be lowered from 120Hz to 1Hz

Samsung provided the iPhone 14 Pro and iPhone 14 Pro Max displays.

The iPhone 14 Pro Max has won 15 DisplayMate awards for outstanding display performance.

The range of LTPO OLED displays is 10Hz to 120Hz rather than 1Hz to 120Hz.