The Samsung Galaxy S27 may ship with DC dimming on its display, replacing the pulse-width modulation method that causes eye strain, headaches, and fatigue in a significant subset of users.
PWM dimming works by rapidly flickering the backlight to simulate lower brightness, sometimes at frequencies below 500Hz where the effect is physiologically detectable. DC dimming instead reduces actual current to the panel, eliminating the flicker entirely. Samsung has historically relied on PWM across its OLED lineup, putting it behind competitors who have already adopted DC dimming or high-frequency PWM as a compromise.
The original article is worth reading for the author's firsthand account of display sensitivity and which current devices already handle this well. The S27 is still months out, but if the rumor holds, it marks a meaningful spec shift for one of the highest-volume Android flagships on the market.
[READ ORIGINAL →]