As expected, Samsung unveiled its upcoming foldable smartphone yesterday. The rumors were correct, and Samsung's first foldable device will have two screens - a large 7.3" foldable AMOLED that folds inside, and a smaller OLED that is used when the phone is closed. Samsung brands the display as the Samsung Infinity Flex Display.

Samsung Galaxy X prototype photo

The inner foldable display is a 7.3" AMOLED with a resolution of 1532x2152 (361 PPI). The outer display is a 4.5" 840x1960 AMOLED. The whole device seems to be quite thick and about double the depth compared to a standard smartphone.

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'The device seems to be quite thick'

The real device will be thin. Presenter suggested they put a case around it because it's a prototype and they wanted to disguise it until the commercial reveal

That's good - but it seems as

That's good - but it seems as if the final device will indeed be thin when open - but when folded it seems as if it will be around double the size of a normal phone (and even more as the fold is not 100%)

Does these flexible OLEDs

Does these flexible OLEDs have a Diamond or RGB Arrangement?

We do not know yet, but it is

We do not know yet, but it is highly likely to be Diamond arrangement