We’ve already seen curved displays for smartphones and TVs, but we haven’t seen one that can be folded like a piece of paper. That is until last week, when Semiconductor Energy Laboratory (SEL) showcased a foldable OLED panel at the Display Innovation 2014 Tradeshow in Japan.

The company showed two demo units. On one hand there’s an 8.7-inch panel that can fold into three. It has a resolution of 1920 x 1080 that translates into a screen density of 254ppi and supports touch. On the other hand, there’s a smaller 5.9-inch panel with 720p resolution and is non-touch.

According to SEL, the 8.7-inch display can be folded over 100,000 times and can be bent to a curvature of up to 2mm and 4mm radius. However, the company hasn’t provided any details on how it plans to move forward with the technology but the most probable application would be in the smartphone and tablet market.

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Nvidia might just have created a solution for low-budget devices to have the high-resolution displays found in more expensive devices.

Dubbed as Cascaded display, the technology uses two layers of LCD panels stacked on top of one another to increase the number of pixels in a given area. The panels are positioned on a slight offset and corrected by a filter for any polarization conflicts.

Software is also used in order for the two panels to work in sync. According to Nvidia’s tests, the displays are able to increase the spatial resolution of the original HD panels up to four times and yet it is still less expensive to make than traditional 4K panels.

The resulting image from the display panels aren’t as good as the target resolution but it’s better than the traditional single layer panel. Nvidia plans to use the technology in head mounted displays such as those on the Oculus Rift.

The technology is still in the testing phase but if proven successful, it can mean cheaper yet high-res mobile devices in the future.

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