Patent ID: 8493714

Claim:
An electronic device comprising: a housing; a retractable display movable between an at least partially extended state and a retracted state; and a cleaning unit integrated in the electronic device and being arranged for removing contamination from at least a front surface of the retractable display, the cleaning unit comprising a first material disposed above the retractable display facing the front surface thereof and a second material disposed below the retractable display facing a back surface thereof, the first material comprising a first magnetic material and a first cleaning material arranged such that the first cleaning material is sandwiched between the first magnetic material and the front surface of the retractable display and arranged to contact the front surface of the retractable display, and the second material comprising a second magnetic material; wherein the first magnetic material is arranged to interact with the second magnetic material by an attractive magnetic force, and wherein the cleaning unit is fixed at a location in the housing and arranged such that the retractable display moves between the first material and the second material when moved between the at least partially extended state and the retracted state.