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iPhone 15 could get more efficient OLED display
A report says the OLED display driver chip in iPhone 15 could be getting an efficiency upgrade thanks to shifting from a 40nm to a 28nm process.
Apple’s custom processors like the M2 are built on the 5nm process, but it is easy to forget there are several other chips in use across devices built on different processes. The OLED display, for example, requires its own driver chip.
The report states that the process shift is occurring right as select manufacturers, like LX Semicon and Samsung System LSI, are migrating their chip process. Apple is likely looking to take advantage of the new production lines while also inadvertently pushing its other suppliers to the new process faster.
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