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That was the question facing attendees at the recent IFA 2015 trade show in Berlin as they ogled over a massive two-sided OLED display shown by LG. Apart from displaying a different image on each side, the 111-inch prototype put a new spin on curved screens with its ultra-thin wave-like screen.

Dr. Ching W. Tang, one of the pioneers of OLED technology, was quoted as saying: "Without backlight and other auxiliary layers, the OLED display is fundamentally less complicated compared to LCD, and in time less costly to manufacture."

LG also showed a “wallpaper” OLED display that’s just 1 millimeter (0.04 inches) thick. A magnet backing makes it easy to move the screen around—a cool idea that suggests wireless signal transmission.

Tang called flexible/foldable, wearable, and transparent OLED displays “technology for the next generation."

We’ll have to wait and see if LG demonstrates the two-sided display at 2016 CES. In the meantime, let us know what you think about the concept of a two-sided TV and how you might use it—or not.