| 摘要 |
<p>PURPOSE: A user input sensing device and an electronic device including the same are provided to raise the accuracy and resolution of touch and to calculate a touch area by using electrode pads of a transparent material. CONSTITUTION: Electrode pads(110) of a transparent material are evenly placed in a matrix form. A driving unit(210) includes a first storage battery and a switch connected with the electrode pads. The driving unit charges and floats the electrode pads by using the switch and outputs a voltage change corresponding to a voltage signal applied to the first storage battery. A detecting unit(220) outputs a touch detection value based on a difference between voltage changes of touch. A signal processing unit(230) calculates a touch area by using the touch detection value and calculates touch coordinates by using the touch area. [Reference numerals] (210) Driving unit; (220) Detecting unit; (230) Signal processing unit; (240) Memory</p> |
