Invention Grant
US08816974B2 Systems and methods for smudge control for touch screen human interface devices 有权
触摸屏人机接口设备的污迹控制系统和方法

Systems and methods for smudge control for touch screen human interface devices
Abstract:
Systems and methods for smudge control for touch screen human interface devices are provided. In one embodiment, a touch screen human interface device comprises: a touch sensitive display surface, the touch sensitive display surface including a first region having a first surface energy with respect to a contaminant material; and a pattern of a plurality of nucleation sites distributed within the first region, wherein each of the plurality of nucleation sites possesses a second surface energy that is higher than the first surface energy with respect to the contaminant material.
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