All three 2020 iPhones are expected to have OLED screens, but that doesn’t mean they will all be equally good. The two flagship models are reportedly getting more advanced display tech which will result in thinner screens.

The supply-chain report says that Samsung will make the screens for the successors to the iPhone 11 Pro and Pro Max…

ETNews says that Samsung will be able to eliminate a separate touch-sensitive layer, making its displays thinner, and these screens will be used for the two higher-end models.

This would mean Samsung retaining its position as the sole supplier of the higher-end iPhone screens – though it apparently had to offer Apple a ‘shockingly’ good deal to do so.

This panel is basically an OLED panel that has touch function built in. Touch sensor is placed on top of thin film encapsulation inside of a panel. Touch function in the past attaches a touch film on a panel. Because on-cell touch OLED panel does not require a separate film, it can lead to a thinner display and reduce production cost.

Samsung Display succeeded in commercializing on-cell touch OLED panel, which is called ‘Y-OCTA’ technology according to Samsung Display, when it supplied the panel to Samsung Electronics.

Display orders for the lower-end 6.1-inch model will reportedly be split between Samsung and LG. The latter also has the capability to make on-cell touch displays, but reportedly can’t yet match Samsung for quality or yields.

“Although Apple had been sticking with film touch method since its first iPhone, Samsung Display has succeeded in drawing a change from Apple by actively promoting Y-OCTA technology to Apple.” said a representative for the industry. “It is heard that Samsung Display also suggested shocking terms in order to obtain an order from Apple.”

If the report is accurate, it means Korean companies would have a monopoly on screens for all three 2020 iPhones. Apple is working hard to diversify its supply chain, though the latest unwelcome development in the Japan Display saga isn’t exactly helping.

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