"In hand-held devices, display consumes power most. It's all about power and then maybe brightness," said Lehman Brothers analyst James Kim in South Korea.
Analysts reckon Apple's (Nasdaq:AAPL - news) iPhone, which launched in the United States on Friday, may end up using more energy-efficient screens, such as OLED, given the short battery life of its pilot models with LCD screens.
"It makes sense (for Apple) to move to OLED screens. They are working to improve the battery issue," said Kim Woon-ho, an analyst at Prudential Investment & Securities.
"OLED makers have some expectations for Apple's switch, too, although there's no firm plan yet."
Apple was not available for comment.
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