![]() For context, the backplane essentially controls how each pixel acts, and is comprised of thin film transistors known as TFTs. It’s down to the way the LTPO displays are built, and more specifically, the type of backplane used. As mentioned, standard OLED panels can’t dynamically adjust the refresh rate without an additional component between the graphics controller and GPU, whereas LTPO displays don’t need this component. LTPO is technically a tweaked version of OLED, but the two are different. ![]() Samsung Galaxy S23 Ultra Is an LTPO display different from a standard OLED smartphone display? It’s the main reason that many phones you’ll find will either switch between 60Hz, 90Hz and 120Hz, whereas LTPO displays can range anywhere from 1Hz up to 120Hz. It can also drop as little as 1Hz when displaying elements like an always-on display, greatly improving the energy efficiency of the panel.įor context, standard OLED panels don’t allow for the dynamic adjustment of refresh rates without an additional component installed, which uses yet more power. This allows the display to, for example, drop the refresh rate down automatically when looking at static images and instantly ramp it up to 90- or even 120Hz when scrolling through menus or playing games where extra frames are always welcome. ![]() This has the potential to greatly improve the energy efficiency of the display, arguably the biggest source of power draw on a smartphone. In a nutshell, the tech allows displays to dynamically switch between refresh rates without the need for an additional component between the graphics controller and the GPU. While initial LTPO displays were limited to 10Hz-120Hz, the more recent LTPO 2.0 and LTPO 3.0 offer 1Hz-120Hz support. ![]() LTPO 3.0 is the latest version of LTPO technology available on certain high-end smartphones. ![]()
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