TOUCH INPUT DEVICE

The present invention relates to a multi-functional touch input device capable of detecting a touch position, driving a stylus pen, and detecting the position of the stylus pen. The touch input device according to another embodiment of the present invention comprises a sensor unit and a control unit, wherein the sensor unit comprises: a plurality of first patterns extending in a first direction and having one ends electrically connected to the control unit; a plurality of second patterns extending in the first direction and disposed adjacent to the first patterns; a plurality of third patterns extending in a second direction perpendicular to the first direction and having one ends electrically connected to the control unit; and a plurality of fourth patterns extending in the second direction, disposed adjacent to the third patterns, and having one ends electrically floated and the other ends electrically connected to each other, wherein the first patterns include a 1a-th pattern and a 1b-th pattern arranged along the first direction, and the second patterns include a 2a-th pattern and a 2b-th pattern arranged along the first direction.