Patent ID: 8704969

Claim:
A display device with a liquid crystal display cover, the display device comprising: a main display unit; and a liquid crystal display cover coupled with the main display unit and being movable between open and closed positions with respect to the main display unit such that a surface of the liquid crystal display cover faces and is parallel with an image display surface of the main display unit in the closed position; wherein the liquid crystal display cover includes: a lower substrate with a plurality of first pixels thereon; an upper substrate facing the lower substrate and having a first common electrode thereon; and a liquid crystal layer between the lower substrate and the upper substrate; and further wherein: the liquid crystal display cover is transparent when liquid crystals in the liquid crystal layer thereof are aligned by an electric field, and the image display surface of the main display unit is visible through the transparent liquid crystal display cover when the liquid crystals in the liquid crystal layer of the liquid crystal display cover are aligned by the electric field and the liquid crystal display cover is in the closed position.