Samsung has announced a low-power OLED display for smartphones, the same one found in the company’s new Galaxy S21 Ultra handset. The company says this new smartphone display features its ‘just-developed’ organic material that offers an a drastically improved luminous efficiency when compared to Samsung’s past OLED offerings.

As a quick primer, OLED displays offer their notable color vibrancy via self-luminous organic materials powered by an electric current.
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https://www.slashgear.com/galaxy-s21-ultra-packs-samsungs-new-low-power-oled-display-26656962/