Apple introduced the iPhone 14 Pro and Pro Max models with LTPO displays that support ProMotion refresh rates ranging from 1Hz to 120Hz. The panel allows the two smartphones to offer always-on display (AOD) functionality as well. The Cupertino company limited these displays to the Pro models and it will likely stay that way for the upcoming iPhone 15 series.
As per a report, standard iPhone 15 units will not be equipped with an LPTO display, which should mean the devices will lack ProMotion support and an always-on display, just like their predecessors. The source says Apple has arranged to supply iPhone 15 display panels to domestic companies and will soon begin mass production. However, only the Pro Series will support LTPO 120 refresh rate, while the regular and Plus model will not.
An LTPO display will be required for iPhone 15 models to support AOD because it is the 1Hz refresh rate capability of the updated LPTO panels that allows the screen to stay always on without draining the battery a lot. AOD is a relatively new feature for Apple smartphones, with it being introduced only recently on the iPhone 14 Pro and Pro Max.
Previously, reputed display analyst Ross Young also claimed that all the models in the iPhone 15 series will support the dynamic island feature, however, the standard ones will lack the LTPO panels due to production scale constraints.
Vanilla iPhone 15 models may not get the latest LTPO panels but they could feature a more power-efficient OLED display driver chip manufactured based on a 28nm process. The current models use a chip based on a 40nm process. The 28nm chip in iPhone 15 models is expected to significantly reduce power consumption, which would lead to longer battery life.
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