Samsung may introduce DC Dimming technology in the upcoming Galaxy S27 Pro and Galaxy S27 Ultra models, with the aim of reducing screen flicker and improving visual comfort for users sensitive to it. According to information circulating on the Internet, this technology could be one of the important innovations of the next generation of phones of the South Korean company, but so far there is no official confirmation from Samsung.
According to unofficial reports, Samsung Display is expected to prepare displays for the Galaxy S27 series, while the Pro and Ultra models could be the company's first to support DC Dimming. The current generation Galaxy S26 Ultra, according to this information, continues to use PWM to adjust the screen brightness.
PWM, or pulse width modulation, controls brightness by turning pixels on and off very quickly. Although this method is widely used in modern displays, some people who are sensitive to flicker may experience eye strain, discomfort, or headaches.
DC Dimming works differently, by regulating the amount of electricity supplied to the display, rather than relying primarily on rapid switching on and off. However, its implementation on modern OLED displays can be more complex, especially when it comes to maintaining color quality and making variable refresh rates work.
A similar solution is used by several other manufacturers, including Xiaomi, through systems that combine DC Dimming with LTPO displays and adaptive refresh rate.
According to the same leaks, the Galaxy S27 Pro and S27 Ultra may be equipped with the M16 OLED material, while the Galaxy S27 and S27 Plus are expected to use M14+. The more expensive models are said to also retain the Privacy Display feature, which limits viewing of screen content from side angles, to protect user privacy.
However, there is still no confirmed data on whether the new series will support 10-bit color at the hardware level. Even the claims about DC Dimming remain officially unconfirmed by Samsung, so the final specifications may change until the devices are introduced.
