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Definition: FOLED

(Flexible OLED) A flexible OLED screen. Using bendable substrate and viewing layers, the FOLED technology enables foldable screens and a variety of unique products. At CES 2018, LG demonstrated a 65" OLED TV screen that rolls up when not in use. See OLED. See also PHOLED.

Flexible OLEDs open up the world of creative designs such as this book from Visionox. (Image courtesy of OLED-info, www.oled-info.com)

A Smartphone in Your Pen?
Flexible OLED screens like this are expected some day. (Image courtesy of Universal Display Corporation, www.oled.com)