TOUCH SCREEN INPUT DEVICE

摘要

PURPOSE: A touch screen input device is provided to enhance the sensitivity of a capacitive touch screen by efficiently shielding an electrostatic noise flowing from the outside without a ground shield layer. CONSTITUTION: A first electrode layer(100) detects the touch input from one side direction and comprises a first electrode pattern(110) in an upper side, and a second electrode pattern is separated to 'the direction in which the first electrode pattern is not formed' in the first electrode pattern with overlapping. A control unit controls the rest electrode pattern except electrode measuring electrostatic capacity between the first and second electrode patterns in a ground state.