Patent ID: 7876288
Filing Date: 2011-01-25
Classification: G02F,G06F,G09G

Abstract:
1. A device comprising: a touchscreen unit comprising a main unit removably connected to the touchscreen unit, the main unit comprising wherein the device operates in a tablet mode when the touchscreen unit is in a closed position with the main unit, and the device operates in a netbook mode when the touchscreen unit is in an open position with the main unit, wherein the netbook mode the light modulator of the touchscreen unit is electrically activated and displaying a dynamically changing pattern comprising at least a keyboard and a mouse overlay allowing the touchscreen unit to function as a keyboard and mouse to provide visible keypress or touch state feedback, while the liquid crystal display of the main unit operates as an information output display; wherein the touchscreen component has auditory interactive feedback and haptic interactive feedback; wherein a polarization orientation of the transparent twisted nematic liquid crystal cell functions as a light modulator in between the first touchscreen component and the second touchscreen component and is constructed such that in an off state the transmission is maximized with respect to a polarized light emitting from the liquid crystal display of the main unit.