With the press of a button, LG Display's 65-inch screen slowly lowers into a box, rolling up around a solid core like wrapping paper. - The tech company showed off an impressive prototype of its latest rolling-screen technology at International CES 2018 in Las Vegas. Last year, it demoed a smaller 18-inch version that could fit in your back pocket. But now its latest -- and much larger -- display can roll up, too. The front of the 4k OLED display works and looks just like a regular TV screen. When rolled out, it's rigid and flat. The back is covered in small vertical slats, which allow it to curve for storage. The screen can also be rolled partially down to create different aspect ratios. A few inches of the display can be left up to show information like the weather or headlines. LG Display -- a research arm of LG Electronics, Corp -- focuses on developing innovative display technologies, which it then sells directly to display manufacturers that w...
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