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Samsung’s latest flagship, the Galaxy S21 Ultra, is its first phone to feature Samsung Display’s new low-power OLED panels. In a press release, Samsung says the new display uses 16% less energy thanks to “newly developed organic material” which means “electrons flow faster and more easily through the organic layer of the display. .
“In other words,” says Samsung, the technology means that its “OLED panels can create brighter light while consuming less power, which improves battery life.” A smartphone’s screen is typically one of its most power-hungry components, so the efficiency gains here can have a big impact on the device’s overall battery life. In our review, we noticed that the S21 Ultra has excellent battery life that lasts “beyond a full day”.
Samsung confirmed to The edge that the S21 Ultra uses an LTPO (aka a low-temperature polycrystalline oxide) display, but it’s not Samsung’s first phone to do so. Last year, Elec reported that Samsung’s Galaxy Note 20 Ultra also uses LTPO display panels, which Samsung brands as HOP (Hybrid Oxide and Polysilicon). However, this week’s announcement indicates that the S21 Ultra is the “first” to use the most efficient panels, suggesting that Samsung Display has further refined the technology compared to the Note 20 Ultra.
Before appearing in smartphones, LTPO screens were used in smartwatches. Elec Note that the Apple Watch Series 4 featured an LTPO screen produced by LG, while Samsung’s Galaxy Watch Active 2 used an LTPO screen produced by Samsung Display.
If the reports are correct, Apple’s next flagship iPhones may soon benefit from Samsung Display’s energy-efficient panel technology. Earlier this year, Elec reported that the South Korean company is set to supply LTPO panels for Apple’s 2021 iPhones. According to the report, Apple will use 120Hz LTPO OLED displays in two of its four iPhones in the second half of the year, while the other two will have more traditional OLED panels.
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