LG’s new InstaView ThinQ smart refrigerator, unveiled at CES 2018, features a 29-inch touchscreen that users can turn transparent to look inside by knocking on it twice.

Although Courier never made it to market, the flexibility of a paper-like smart cover and the combination of Microsoft’s Surface blades concept could make for an interesting tablet future.

Electronics Microsoft cortana Microsoft's semi-transparent, Cortana-powered smart thermostat will be available for pre-order in March The GLAS can monitor your home's indoor and outdoor air ...

Additionally, a team at MIT is exploring transparent solar cell technology using organic materials that absorb infrared and ultraviolet light while allowing visible light to pass through.

At CES 2021, LG is showing off a transparent 55-inch OLED TV that sits at and rolls up from the foot of a bed.